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Java application to add auto signature text to PDFs in a given folder.

2025-08-22T06:51:00.000-07:00

Standalone java app that takes user input of a folder location.

The app will open a pdf document, search for a signature block, report how many signature blocks and signatures it has found and output to an external txt file in the same folder.

In the output file it will list the file opened and number of signature blocks found. Once the app has finished searching the document. It will close the pdf.

It will then search for another pdf in the same folder and repeat the above items.

package com.example;

import java.io.IOException;
import java.io.InputStream;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.SecureRandom;
import java.security.Signature;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashSet;
import java.util.List;
import java.util.Scanner;
import java.util.Set;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.pdfbox.Loader;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.interactive.digitalsignature.PDSignature;
import org.apache.pdfbox.pdmodel.interactive.digitalsignature.SignatureInterface;
import org.apache.pdfbox.pdmodel.interactive.digitalsignature.SignatureOptions;
import org.apache.pdfbox.pdmodel.interactive.form.PDAcroForm;
import org.apache.pdfbox.pdmodel.interactive.form.PDField;
import org.apache.pdfbox.pdmodel.interactive.form.PDTextField;
import org.apache.pdfbox.text.PDFTextStripper;

public class PDFSignApp {

    private static final Pattern[] SIGNATURE_PATTERNS = { Pattern.compile("(?i)signature\\s*:", Pattern.MULTILINE),
            Pattern.compile("(?i)signed\\s*by\\s*:", Pattern.MULTILINE), Pattern.compile("(?i)electronically\\s*signed", Pattern.MULTILINE),
            Pattern.compile("(?i)digital\\s*signature", Pattern.MULTILINE),
            Pattern.compile("(?i)\\b(sign|signed|signature)\\s*(here|below)", Pattern.MULTILINE), Pattern.compile("(?i)x\\s*_+", Pattern.MULTILINE), // X
                                                                                                                                                     // followed
                                                                                                                                                     // by
                                                                                                                                                     // underscores
            Pattern.compile("_+\\s*signature", Pattern.MULTILINE), Pattern.compile("(?i)date\\s*signed", Pattern.MULTILINE),
            Pattern.compile("(?i)authorized\\s*signature", Pattern.MULTILINE),
            Pattern.compile("(?i)deputy\\s+executive\\s+director", Pattern.MULTILINE) };

    private static final String OUTPUT_FILENAME = "signature_report.txt";

    private static final String SIGNATURE_REASON = "Approval";

    private static final String SIGNATURE_LOCATION = "Digital Document";

    private static final String DEFAULT_SIGNER_NAME = "Executive Director";

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        try {
            System.out.println("=== PDF Signature Block & Form Filler ===");
            System.out.print("Enter the folder path containing PDF files: ");
            String folderPath = scanner.nextLine().trim();

            // Remove quotes if present
            if (folderPath.startsWith("\"") && folderPath.endsWith("\"")) {
                folderPath = folderPath.substring(1, folderPath.length() - 1);
            }

            Path folder = Paths.get(folderPath);

            if (!Files.exists(folder) || !Files.isDirectory(folder)) {
                System.err.println("Error: The specified path is not a valid directory.");
                return;
            }

            System.out.print("Do you want to add signatures? (y/n): ");
            boolean fillFields = scanner.nextLine().trim().toLowerCase().startsWith("y");

            String customSignatureText = "";
            String customDateText = "";
            boolean useDigitalSignature = false;

            if (fillFields) {
                System.out.print("Enter the name to write in the 'Signature_Executive Director' field: ");
                customSignatureText = scanner.nextLine().trim();

                if (customSignatureText.isEmpty()) {
                    customSignatureText = "John Doe";
                }

                System.out.print("Enter the date in MM/dd/yyyy format for the 'Date_Executive Director' field: ");
                customDateText = scanner.nextLine().trim();

                // Validate date format
                while (!isValidDateFormat(customDateText)) {
                    System.out.println("Invalid date format. Please use MM/dd/yyyy format (e.g., 03/15/2024)");
                    System.out.print("Enter the date in MM/dd/yyyy format: ");
                    customDateText = scanner.nextLine().trim();
                }

                System.out.print("Create digital signature (recommended) or text signature? (d/t): ");
                String signatureType = scanner.nextLine().trim().toLowerCase();
                useDigitalSignature = signatureType.startsWith("d");
            }

            try {
                processPDFsInFolder(folder, fillFields, useDigitalSignature, customSignatureText, customDateText);
            } catch (Exception e) {
                System.err.println("Error processing PDFs: " + e.getMessage());
                e.printStackTrace();
            }

            System.out.println("Processing completed. Press Enter to exit...");
            scanner.nextLine();

        } finally {
            scanner.close();
        }
    }

    /**
     * Process all PDF files in the specified folder
     */
    private static void processPDFsInFolder(Path folder, boolean fillFields, boolean useDigitalSignature, String customSignatureText,
            String customDateText) throws IOException {
        List<Path> pdfFiles = new ArrayList<>();

        // Find all PDF files in the folder
        try (DirectoryStream<Path> stream = Files.newDirectoryStream(folder, "*.pdf")) {
            for (Path file : stream) {
                if (Files.isRegularFile(file)) {
                    pdfFiles.add(file);
                }
            }
        }

        if (pdfFiles.isEmpty()) {
            System.out.println("No PDF files found in the specified folder.");
            return;
        }

        System.out.println("Found " + pdfFiles.size() + " PDF file(s) to process.");

        Path outputFile = folder.resolve(OUTPUT_FILENAME);
        List<String> reportLines = new ArrayList<>();

        // Add header to report
        reportLines.add("PDF Signature Block Detection & Digital Signing Report");
        reportLines.add("Generated: " + LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
        reportLines.add("Folder: " + folder.toAbsolutePath());
        reportLines.add("Fill Fields: " + fillFields);
        reportLines.add("Digital Signature: " + useDigitalSignature);
        reportLines.add("Signature Text: " + (customSignatureText.isEmpty() ? "None" : customSignatureText));
        reportLines.add("Date Text: " + (customDateText.isEmpty() ? "None" : customDateText));
        reportLines.add(repeat("=", 60));
        reportLines.add("");

        // Create "Signed Documents" folder
        Path signedDocumentsFolder = folder.resolve("Signed Documents");
        try {
            Files.createDirectories(signedDocumentsFolder);
        } catch (IOException e) {
            System.err.println("Warning: Could not create 'Signed Documents' folder: " + e.getMessage());
            signedDocumentsFolder = folder; // Fall back to original folder
        }

        int totalFiles = 0;
        int totalSignatureBlocks = 0;
        int totalFieldsFilled = 0;

        // Process each PDF file
        for (Path pdfFile : pdfFiles) {
            System.out.println("Processing: " + pdfFile.getFileName());

            try {
                ProcessingResult result = analyzePDFAndSign(pdfFile, signedDocumentsFolder, fillFields, useDigitalSignature, customSignatureText,
                        customDateText);
                totalFiles++;
                totalSignatureBlocks += result.signatureResult.signatureBlockCount;
                totalFieldsFilled += result.fieldsFilledCount;

                // Add results to report
                reportLines.add("File: " + pdfFile.getFileName());
                reportLines.add("Signature blocks found: " + result.signatureResult.signatureBlockCount);
                reportLines.add("Details: " + result.signatureResult.details);
                if (fillFields) {
                    reportLines.add("Signature inserted: " + (result.fieldsFilledCount > 0 ? "Yes" : "No"));
                    reportLines.add("Insert details: " + result.fieldDetails);
                }
                reportLines.add("");

                System.out.println("  - Found " + result.signatureResult.signatureBlockCount + " signature block(s)");
                if (fillFields) {
                    System.out.println("  - Inserted signature: " + result.fieldsFilledCount + " time(s)");
                }

            } catch (Exception e) {
                System.err.println("  - Error processing file: " + e.getMessage());
                reportLines.add("File: " + pdfFile.getFileName());
                reportLines.add("ERROR: " + e.getMessage());
                reportLines.add("");
            }
        }

        // Add summary
        reportLines.add(repeat("=", 60));
        reportLines.add("SUMMARY");
        reportLines.add("Total files processed: " + totalFiles);
        reportLines.add("Total signature blocks found: " + totalSignatureBlocks);
        if (fillFields) {
            reportLines.add("Total signature insertions: " + totalFieldsFilled);
        }
        reportLines.add(
                "Average signature blocks per file: " + (totalFiles > 0 ? String.format("%.2f", (double) totalSignatureBlocks / totalFiles) : "0"));

        // Write report to file
        Files.write(outputFile, reportLines, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);

        System.out.println("\nProcessing completed!");
        System.out.println("Report saved to: " + outputFile.toAbsolutePath());
        System.out.println("Total files processed: " + totalFiles);
        System.out.println("Total signature blocks found: " + totalSignatureBlocks);
        if (fillFields) {
            System.out.println("Total signature insertions: " + totalFieldsFilled);
        }
    }

    public static String repeat(String str, int count) {
        if (count <= 0) {
            return "";
        }
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < count; i++) {
            sb.append(str);
        }
        return sb.toString();
    }

    /**
     * Analyze a PDF file for signature blocks and apply digital or text signature
     */
    private static ProcessingResult analyzePDFAndSign(Path pdfFile, Path outputFolder, boolean fillFields, boolean useDigitalSignature,
            String customSignatureText, String customDateText) throws IOException {
        PDDocument document = null;
        boolean documentModified = false;

        try {
            // document = PDDocument.load(pdfFile.toFile());
            document = Loader.loadPDF(pdfFile.toFile());

            // Extract text for signature pattern detection
            PDFTextStripper textStripper = new PDFTextStripper();
            String text = textStripper.getText(document);
            SignatureAnalysisResult signatureResult = detectSignatureBlocks(text);

            int signatureCount = 0;
            StringBuilder signatureDetails = new StringBuilder();

            // Look for Deputy Executive Director and apply signature
            if (fillFields && containsDeputyExecutiveDirector(text)) {
                System.out.println("    Found 'Deputy Executive Director' in document");

                if (useDigitalSignature) {
                    // Apply digital signature
                    signatureCount = applyDigitalSignature(document, pdfFile, customSignatureText);
                    if (signatureCount > 0) {
                        documentModified = true;
                        signatureDetails.append("Digital signature applied with text: '").append(customSignatureText).append("'");
                    } else {
                        signatureDetails.append("Failed to apply digital signature");
                    }
                } else {
                    // Apply text signature and date to form fields
                    int[] results = applyTextSignatureAndDate(document, customSignatureText, customDateText);
                    signatureCount = results[0] + results[1]; // Total fields filled
                    if (signatureCount > 0) {
                        documentModified = true;
                        signatureDetails.append("Fields filled - Signature: ").append(results[0] > 0 ? "Yes" : "No").append(", Date: ")
                                .append(results[1] > 0 ? "Yes" : "No");
                    } else {
                        signatureDetails.append("Deputy Executive Director fields not found or could not be filled");
                    }
                }
            } else if (fillFields) {
                System.out.println("    'Deputy Executive Director' not found in document");
                signatureDetails.append("Deputy Executive Director pattern not found");
            }

            // Save the modified document to "Signed Documents" folder
            if (documentModified) {
                String originalName = pdfFile.getFileName().toString();
                String suffix = useDigitalSignature ? "_digitally_signed.pdf" : "_text_signed.pdf";
                String newName = originalName.substring(0, originalName.lastIndexOf('.')) + suffix;
                Path outputPath = outputFolder.resolve(newName);
                document.save(outputPath.toFile());
                System.out.println("    -> Saved modified PDF: " + outputPath.toAbsolutePath());
            }

            if (signatureDetails.length() == 0 && fillFields) {
                signatureDetails.append("No signature applied");
            }

            return new ProcessingResult(signatureResult, signatureCount, signatureDetails.toString());

        } finally {
            if (document != null) {
                try {
                    document.close();
                } catch (IOException e) {
                    System.err.println("Error closing document: " + e.getMessage());
                }
            }
        }
    }

    /**
     * Apply digital signature to the document
     */
    private static int applyDigitalSignature(PDDocument document, Path pdfFile, String customSignatureText) {
        try {
            // Create a self-signed certificate for testing
            KeyPair keyPair = generateKeyPair();

            // Create signature field if none exists
            PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();
            if (acroForm == null) {
                acroForm = new PDAcroForm(document);
                document.getDocumentCatalog().setAcroForm(acroForm);
            }

            // Create digital signature
            PDSignature signature = new PDSignature();
            signature.setFilter(PDSignature.FILTER_ADOBE_PPKLITE);
            signature.setSubFilter(PDSignature.SUBFILTER_ADBE_PKCS7_DETACHED);
            signature.setName(customSignatureText);
            signature.setReason(SIGNATURE_REASON);
            signature.setLocation(SIGNATURE_LOCATION);
            signature.setSignDate(Calendar.getInstance());

            // Create signature options
            SignatureOptions signatureOptions = new SignatureOptions();
            signatureOptions.setPreferredSignatureSize(SignatureOptions.DEFAULT_SIGNATURE_SIZE * 2);

            // Apply the signature
            document.addSignature(signature, new TestSignatureInterface(keyPair.getPrivate()), signatureOptions);

            System.out.println("    -> Applied digital signature with text: '" + customSignatureText + "'");
            return 1;

        } catch (Exception e) {
            System.err.println("    -> Error applying digital signature: " + e.getMessage());
            return 0;
        }
    }

    /**
     * Apply both text signature and date by searching for fields with specific help text
     */
    private static int[] applyTextSignatureAndDate(PDDocument document, String customSignatureText, String customDateText) {
        int signatureCount = 0;
        int dateCount = 0;

        try {
            // Apply signature
            signatureCount = applyTextSignatureToDeputyField(document, customSignatureText);

            // Apply date
            dateCount = applyDateToDeputyField(document, customDateText);

        } catch (Exception e) {
            System.err.println("    -> Error applying signature and date: " + e.getMessage());
        }

        return new int[] { signatureCount, dateCount };
    }

    /**
     * Apply date by searching for field with help text "Date_Deputy Executive Director"
     */
    private static int applyDateToDeputyField(PDDocument document, String customDateText) {
        try {
            // First try to find by help text
            int result = applyDateByHelpText(document, customDateText);
            if (result > 0) {
                return result;
            }

            // If help text search failed, fall back to field name search
            System.out.println("    Date help text search failed, trying field name search as fallback...");
            return applyDateToDeputyFieldByName(document, customDateText);

        } catch (Exception e) {
            System.err.println("    -> Error in date application: " + e.getMessage());
            return 0;
        }
    }

    /**
     * Apply date by finding field with specific help text "Date_Deputy Executive Director"
     */
    private static int applyDateByHelpText(PDDocument document, String customDateText) {
        try {
            PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();

            if (acroForm != null) {
                System.out.println("    Searching through " + acroForm.getFields().size()
                        + " form field(s) for field with help text 'Date_Deputy Executive Director'");

                // Search for field with matching help text
                for (PDField field : acroForm.getFields()) {
                    String fieldName = field.getFullyQualifiedName();
                    String helpText = getFieldHelpText(field);

                    System.out.println("    Checking field: '" + fieldName + 
"' - Help text: '" + (helpText == null ? "null" : helpText) + "' (Type: "
                            + field.getFieldType() + ")");

                    // Check if this field has the target date help text and is a text field
                    if (field instanceof PDTextField && isTargetDateHelpText(helpText)) {
                        PDTextField textField = (PDTextField) field;
                        String currentValue = textField.getValue();

                        System.out.println("    -> FOUND TARGET DATE FIELD BY HELP TEXT: '" + fieldName + "'");
                        System.out.println("    -> Help text: '" + helpText + "'");
                        System.out.println("    -> Current value: '" + (currentValue == null ? "null" : currentValue) + "'");

                        // Fill the field with the date
                        textField.setValue(customDateText);
                        System.out.println("    -> SUCCESS: Updated date field '" + fieldName + "' with: '" + customDateText + "'");
                        return 1;
                    }
                }

                System.out.println("    No field found with help text 'Date_Deputy Executive Director'");
            } else {
                System.out.println("    -> No form fields found in PDF");
            }

            return 0;

        } catch (Exception e) {
            System.err.println("    -> Error applying date by help text: " + e.getMessage());
            e.printStackTrace();
            return 0;
        }
    }

    /**
     * Apply date by searching field names for Deputy Executive Director date field
     */
    private static int applyDateToDeputyFieldByName(PDDocument document, String customDateText) {
        try {
            PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();

            if (acroForm != null) {
                System.out.println("    Searching by field name for Deputy Executive Director date field");

                // Look for date fields by name
                for (PDField field : acroForm.getFields()) {
                    String fieldName = field.getFullyQualifiedName();

                    // Check for date field variations
                    if (field instanceof PDTextField && isDeputyDateField(fieldName)) {
                        PDTextField textField = (PDTextField) field;
                        String currentValue = textField.getValue();

                        System.out.println("    -> FOUND TARGET DATE FIELD BY NAME: '" + fieldName + "'");
                        System.out.println("    -> Current value: '" + (currentValue == null ? "null" : currentValue) + "'");

                        textField.setValue(customDateText);
                        System.out.println("    -> SUCCESS: Updated date field '" + fieldName + "' with: '" + customDateText + "'");
                        return 1;
                    }
                }
            }

            System.out.println("    -> No date field found by name");
            return 0;

        } catch (Exception e) {
            System.err.println("    -> Error in date field name search: " + e.getMessage());
            return 0;
        }
    }

    /**
     * Check if the help text matches our target date field
     */
    private static boolean isTargetDateHelpText(String helpText) {
        if (helpText == null || helpText.trim().isEmpty()) {
            return false;
        }

        String text = helpText.trim();

        // Exact match
        if (text.equalsIgnoreCase("Date_Deputy Executive Director")) {
            return true;
        }

        // Close variations
        return text.equalsIgnoreCase("Date Deputy Executive Director") || text.equalsIgnoreCase("Date_Deputy_Executive_Director")
                || text.equalsIgnoreCase("DateDeputyExecutiveDirector")
                || (text.toLowerCase().contains("date") && text.toLowerCase().contains("deputy") && text.toLowerCase().contains("executive")
                        && text.toLowerCase().contains("director"));
    }

    /**
     * Check if field name suggests it's a date field for Deputy Executive Director
     */
    private static boolean isDeputyDateField(String fieldName) {
        String name = fieldName.toLowerCase().trim();

        // Must contain "date" AND ("deputy" OR "executive" OR "director")
        boolean hasDate = name.contains("date");
        boolean hasDeputy = name.contains("deputy");
        boolean hasExecutive = name.contains("executive");
        boolean hasDirector = name.contains("director");

        return hasDate && (hasDeputy || (hasExecutive && hasDirector));
    }

    /**
     * Validate date format MM/dd/yyyy
     */
    private static boolean isValidDateFormat(String date) {
        if (date == null || date.trim().isEmpty()) {
            return false;
        }

        // Check basic format with regex
        String datePattern = "^(0[1-9]|1[0-2])/(0[1-9]|[12][0-9]|3[01])/\\d{4}$";
        if (!date.matches(datePattern)) {
            return false;
        }

        try {
            // Additional validation - try to parse the date
            String[] parts = date.split("/");
            int month = Integer.parseInt(parts[0]);
            int day = Integer.parseInt(parts[1]);
            int year = Integer.parseInt(parts[2]);

            // Basic range checks
            if (month < 1 || month > 12) {
                return false;
            }
            if (day < 1 || day > 31) {
                return false;
            }
            if (year < 1900 || year > 2100) {
                return false; // Reasonable year range
            }

            // Check days per month (simplified)
            if ((month == 4 || month == 6 || month == 9 || month == 11) && day > 30) {
                return false;
            }
            if (month == 2 && day > 29) {
                return false;
            }

            return true;

        } catch (NumberFormatException e) {
            return false;
        }
    }

    /**
     * Apply text signature by searching for field with help text or field name
     */
    private static int applyTextSignatureToDeputyField(PDDocument document, String customSignatureText) {
        try {
            // First try to find by help text
            int result = applyTextSignatureByHelpText(document, customSignatureText);
            if (result > 0) {
                return result;
            }

            // If help text search failed, fall back to original field name search
            System.out.println("    Signature help text search failed, trying field name search as fallback...");
            return applyTextSignatureToDeputyFieldByName(document, customSignatureText);

        } catch (Exception e) {
            System.err.println("    -> Error in signature application: " + e.getMessage());
            return 0;
        }
    }

    private static int applyTextSignatureByHelpText(PDDocument document, String customSignatureText) {
        try {
            PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();

            if (acroForm != null) {
                System.out.println("    Searching through " + acroForm.getFields().size()
                        + " form field(s) for field with help text 'Signature_Deputy Executive Director'");

                // Search for field with matching help text
                for (PDField field : acroForm.getFields()) {
                    String fieldName = field.getFullyQualifiedName();
                    String helpText = getFieldHelpText(field);

                    System.out.println("    Checking field: '" + fieldName + "' - Help text: '" + (helpText == null ? "null" : helpText) + "' (Type: "
                            + field.getFieldType() + ")");

                    // Check if this field has the target help text and is a text field
                    if (field instanceof PDTextField && isTargetHelpText(helpText)) {
                        PDTextField textField = (PDTextField) field;
                        String currentValue = textField.getValue();

                        System.out.println("    -> FOUND TARGET FIELD BY HELP TEXT: '" + fieldName + "'");
                        System.out.println("    -> Help text: '" + helpText + "'");
                        System.out.println("    -> Current value: '" + (currentValue == null ? "null" : currentValue) + "'");

                        // Fill the field with the signature
                        textField.setValue(customSignatureText);
                        System.out.println("    -> SUCCESS: Updated field '" + fieldName + "' with: '" + customSignatureText + "'");
                        return 1;
                    }
                }

                // If no field found by help text, list all fields with their help text for debugging
                System.out.println("    No field found with help text 'Signature_Deputy Executive Director'. Available fields and their help text:");
                for (PDField field : acroForm.getFields()) {
                    String fieldName = field.getFullyQualifiedName();
                    String fieldType = field.getFieldType();
                    String helpText = getFieldHelpText(field);
                    String currentValue = "";

                    if (field instanceof PDTextField) {
                        try {
                            String val = ((PDTextField) field).getValue();
                            currentValue = " [Current: '" + (val == null ? "empty" : val) + "']";
                        } catch (Exception e) {
                            currentValue = " [Error reading value]";
                        }
                    }

                    System.out.println("      - Field: '" + fieldName + "' (Type: " + fieldType + ")" + " Help: '"
                            + (helpText == null ? "none" : helpText) + "'" + currentValue);
                }
            } else {
                System.out.println("    -> No form fields found in PDF");
            }

            System.out.println("    -> No field found with help text 'Signature_Deputy Executive Director'");
            return 0;

        } catch (Exception e) {
            System.err.println("    -> Error applying text signature by help text: " + e.getMessage());
            e.printStackTrace();
            return 0;
        }
    }

    /**
     * Extract help text (tooltip) from a PDF form field
     */
    private static String getFieldHelpText(PDField field) {
        try {
            // Try to get the tooltip/help text from various possible sources

            // Method 1: Try to get from field's dictionary using common keys
            if (field.getCOSObject() != null) {
                // Check for "TU" (User) which is typically used for tooltips
                String tuValue = field.getCOSObject().getString("TU");
                if (tuValue != null && !tuValue.trim().isEmpty()) {
                    return tuValue.trim();
                }

                // Check for "T" (Title) as fallback
                String tValue = field.getCOSObject().getString("T");
                if (tValue != null && !tValue.trim().isEmpty()) {
                    return tValue.trim();
                }
            }

            // Method 2: Try alternative name
            String alternativeName = field.getAlternateFieldName();
            if (alternativeName != null && !alternativeName.trim().isEmpty()) {
                return alternativeName.trim();
            }

            // Method 3: Try mapped name
            String mappingName = field.getMappingName();
            if (mappingName != null && !mappingName.trim().isEmpty()) {
                return mappingName.trim();
            }

            return null;

        } catch (Exception e) {
            System.err.println("    Error reading help text for field: " + e.getMessage());
            return null;
        }
    }

    /**
     * Check if the help text matches our target
     */
    private static boolean isTargetHelpText(String helpText) {
        if (helpText == null || helpText.trim().isEmpty()) {
            return false;
        }

        String text = helpText.trim();

        // Exact match
        if (text.equalsIgnoreCase("Signature_Deputy Executive Director")) {
            return true;
        }

        // Close variations
        return text.equalsIgnoreCase("Signature Deputy Executive Director") || text.equalsIgnoreCase("Signature_Deputy_Executive_Director")
                || text.equalsIgnoreCase("SignatureDeputyExecutiveDirector")
                || text.toLowerCase().contains("signature") && text.toLowerCase().contains("deputy") && text.toLowerCase().contains("executive")
                        && text.toLowerCase().contains("director");
    }

    /**
     * Original field name search method (renamed for clarity)
     */
    private static int applyTextSignatureToDeputyFieldByName(PDDocument document, String customSignatureText) {
        try {
            PDAcroForm acroForm = document.getDocumentCatalog().getAcroForm();

            if (acroForm != null) {
                System.out.println("    Searching by field name for 'Signature_Deputy Executive Director' field");

                // Look specifically for "Signature_Deputy Executive Director" field by name
                for (PDField field : acroForm.getFields()) {
                    String fieldName = field.getFullyQualifiedName();

                    // Check for exact match or close variations
                    if (field instanceof PDTextField && isExactDeputySignatureField(fieldName)) {
                        PDTextField textField = (PDTextField) field;
                        String currentValue = textField.getValue();

                        System.out.println("    -> FOUND TARGET FIELD BY NAME: '" + fieldName + "'");
                        System.out.println("    -> Current value: '" + (currentValue == null ? "null" : currentValue) + "'");

                        textField.setValue(customSignatureText);
                        System.out.println("    -> SUCCESS: Updated '" + fieldName + "' with: '" + customSignatureText + "'");
                        return 1;
                    }
                }

                // Look for partial matches if exact field not found
                for (PDField field : acroForm.getFields()) {
                    String fieldName = field.getFullyQualifiedName();

                    if (field instanceof PDTextField && isPartialDeputySignatureField(fieldName)) {
                        PDTextField textField = (PDTextField) field;
                        textField.setValue(customSignatureText);
                        System.out.println("    -> SUCCESS: Updated similar field '" + fieldName + "' with: '" + customSignatureText + "'");
                        return 1;
                    }
                }

                // List all available fields for debugging
                System.out.println("    No Deputy Executive Director signature field found by name. Available fields:");
                for (PDField field : acroForm.getFields()) {
                    String fieldName = field.getFullyQualifiedName();
                    String fieldType = field.getFieldType();
                    String currentValue = "";

                    if (field instanceof PDTextField) {
                        try {
                            String val = ((PDTextField) field).getValue();
                            currentValue = " [Current: '" + (val == null ? "empty" : val) + "']";
                        } catch (Exception e) {
                            currentValue = " [Error reading value]";
                        }
                    }

                    System.out.println("      - '" + fieldName + "' (Type: " + fieldType + ")" + currentValue);
                }
            }

            System.out.println("    -> No field found by name");
            return 0;

        } catch (Exception e) {
            System.err.println("    -> Error in field name search: " + e.getMessage());
            return 0;
        }
    }

    /**
     * Check if field is exactly the "Signature_Deputy Executive Director" field
     */
    private static boolean isExactDeputySignatureField(String fieldName) {
        // Check for exact match (case insensitive)
        String name = fieldName.trim();
        return name.equalsIgnoreCase("Signature_Deputy Executive Director") || name.equalsIgnoreCase("Signature_Deputy_Executive_Director")
                || name.equalsIgnoreCase("SignatureDeputyExecutiveDirector") || name.equalsIgnoreCase("Signature Deputy Executive Director");
    }

    /**
     * Check if field is a partial match for Deputy Executive Director signature field
     */
    private static boolean isPartialDeputySignatureField(String fieldName) {
        String name = fieldName.toLowerCase().trim();

        // Must contain "signature" AND ("deputy" OR "executive" OR "director")
        boolean hasSignature = name.contains("signature") || name.contains("sign");
        boolean hasDeputy = name.contains("deputy");
        boolean hasExecutive = name.contains("executive");
        boolean hasDirector = name.contains("director");

        return hasSignature && (hasDeputy || (hasExecutive && hasDirector));
    }

    /**
     * Generate a key pair for digital signing (for testing purposes)
     */
    private static KeyPair generateKeyPair() throws Exception {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
        keyGen.initialize(2048, new SecureRandom());
        return keyGen.generateKeyPair();
    }

    /**
     * Simple signature interface for testing
     */
    private static class TestSignatureInterface implements SignatureInterface {
        private final PrivateKey privateKey;

        public TestSignatureInterface(PrivateKey privateKey) {
            this.privateKey = privateKey;
        }

        @Override
        public byte[] sign(InputStream content) throws IOException {
            try {
                // Create a simple signature for testing
                Signature signature = Signature.getInstance("SHA256withRSA");
                signature.initSign(this.privateKey);

                // Read content and sign it
                byte[] buffer = new byte[8192];
                int bytesRead;
                while ((bytesRead = content.read(buffer)) != -1) {
                    signature.update(buffer, 0, bytesRead);
                }

                return signature.sign();

            } catch (Exception e) {
                throw new IOException("Error creating signature", e);
            }
        }
    }

    /**
     * Check if the text contains Deputy Executive Director
     */
    private static boolean containsDeputyExecutiveDirector(String text) {
        return text.toLowerCase().contains("deputy executive director");
    }

    /**
     * Check if a field name suggests it's related to Deputy Executive Director
     */
    private static boolean isDeputyExecutiveDirectorField(String fieldName) {
        String name = fieldName.toLowerCase();
        return name.contains("deputy") || name.contains("executive") || name.contains("director") || name.contains("sign")
                || name.contains("signature") || (name.contains("name") && !name.contains("filename")) || name.contains("auth")
                || name.matches(".*field[0-9]*$") || // Generic field names like "field1", "field2"
                name.matches(".*text[0-9]*$"); // Generic text field names
    }

    /**
     * Detect signature blocks in the extracted text using pattern matching
     */
    private static SignatureAnalysisResult detectSignatureBlocks(String text) {
        Set<String> foundPatterns = new HashSet<>();
        int totalMatches = 0;

        for (Pattern pattern : SIGNATURE_PATTERNS) {
            Matcher matcher = pattern.matcher(text);
            int matches = 0;

            while (matcher.find()) {
                matches++;
                totalMatches++;
                foundPatterns.add(pattern.pattern());
            }

            if (matches > 0) {
                System.out.println("    Pattern '" + pattern.pattern() + "' matched " + matches + " time(s)");
            }
        }

        // Create details string
        StringBuilder details = new StringBuilder();
        if (foundPatterns.isEmpty()) {
            details.append("No signature patterns detected");
        } else {
            details.append("Detected patterns: ");
            details.append(String.join(", ", foundPatterns));
        }

        return new SignatureAnalysisResult(totalMatches, details.toString());
    }

    /**
     * Result class to hold signature analysis data
     */
    private static class SignatureAnalysisResult {
        final int signatureBlockCount;

        final String details;

        SignatureAnalysisResult(int count, String details) {
            this.signatureBlockCount = count;
            this.details = details;
        }
    }

    /**
     * Result class to hold processing results
     */
    private static class ProcessingResult {
        final SignatureAnalysisResult signatureResult;

        final int fieldsFilledCount;

        final String fieldDetails;

        ProcessingResult(SignatureAnalysisResult signatureResult, int fieldsFilledCount, String fieldDetails) {
            this.signatureResult = signatureResult;
            this.fieldsFilledCount = fieldsFilledCount;
            this.fieldDetails = fieldDetails;
        }
    }
}




To run this program, either we can use Run As -> Java application in Eclipse
or
Export it as jar file, go to project-> right click -> click export -> select java , export as runnable jar. 
update location to save jar and name.






output PDF:






Pom.xml



<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>test</groupId>
	<artifactId>test</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<properties>
		<maven.compiler.source>11</maven.compiler.source>
		<maven.compiler.target>11</maven.compiler.target>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>
	<dependencies>    <!-- Main PDFBox library -->
		<dependency>
			<groupId>org.apache.pdfbox</groupId>
			<artifactId>pdfbox</artifactId>
			<version>2.0.29</version>
		</dependency>    <!-- PDFBox tools for
		additional functionality -->
		<dependency>
			<groupId>org.apache.pdfbox</groupId>
			<artifactId>pdfbox-tools</artifactId>
			<version>2.0.29</version>
		</dependency>    <!-- FontBox for font
		handling -->
		<dependency>
			<groupId>org.apache.pdfbox</groupId>
			<artifactId>fontbox</artifactId>
			<version>2.0.29</version>
		</dependency>    <!-- XmpBox for XMP
		metadata support -->
		<dependency>
			<groupId>org.apache.pdfbox</groupId>
			<artifactId>xmpbox</artifactId>
			<version>2.0.29</version>
		</dependency>    <!-- PrefLight for
		PDF/A validation -->
		<dependency>
			<groupId>org.apache.pdfbox</groupId>
			<artifactId>preflight</artifactId>
			<version>2.0.29</version>
		</dependency>
	</dependencies>
</project>

2019-01-22T05:00:00.002-08:00

Finding destination using 2D matrix

package example;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class TruckProblem {

public static void main(String[] args) {

// input 1
List<List<Integer>> area = new ArrayList<>();
area.add(Arrays.asList(1, 0, 0));
area.add(Arrays.asList(1, 0, 0));
area.add(Arrays.asList(1, 9, 1));
Integer[][] areaArray = convertListToArray(area);
// List<List<Integer>> pathArray = getRegionSize(areaArray);
int size = getBiggestRegion(areaArray);
System.out.println("path array:" + size);

// input 2
area = new ArrayList<>();
area.add(Arrays.asList(1, 0, 1));
area.add(Arrays.asList(1, 0, 1));
area.add(Arrays.asList(1, 9, 1));
areaArray = convertListToArray(area);
// List<List<Integer>> pathArray = getRegionSize(areaArray);
size = getBiggestRegion(areaArray);
System.out.println("path array:" + size);
}

static Integer[][] convertListToArray(List<List<Integer>> area) {
Integer[][] areaArray = new Integer[area.size()][];
for (int i = 0; i < area.size(); i++) {
List<Integer> list = area.get(i);
System.out.println(list);
areaArray[i] = list.toArray(new Integer[list.size()]);
}
return areaArray;
}

public static int getRegionSize(Integer[][] matrix, int row, int column) {
if (row < 0 || column < 0 || row >= matrix.length || column >= matrix[row].length) {
return 0;
}
if (matrix[row][column] == 0 || matrix[row][column] == 9) {
return 0;
}
//System.out.println(row + " " + column);
matrix[row][column] = 0;
int size = 1;

for (int r = row - 1; r <= row + 1; r++) {
for (int c = column - 1; c <= column + 1; c++) {
if (r != row || c != column) {
// System.out.println(r +" "+ c);
size += getRegionSize(matrix, r, c);
}
}
//System.out.println("*** ");
}
return size;
}

public static int getBiggestRegion(Integer[][] matrix) {

int maxRegion = 0;

for (int row = 0; row < matrix.length; row++) {
for (int column = 0; column < matrix[row].length; column++) {
if (matrix[row][column] == 1) {
int size = getRegionSize(matrix, row, column);
maxRegion = Math.max(size, maxRegion);
}
if (matrix[row][column] == 9) {
break;
}
}
}
return maxRegion;
}
}

Output:

[1, 0, 0]

[1, 9, 1]

path array:3

[1, 0, 1]

[1, 9, 1]

path array:3

2019-01-22T04:57:00.001-08:00

finding nearest veg restaurants

package example;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;

public class amazon1 {

public static void main(String[] args) {
// TODO Auto-generated method stub

List<List<Integer>> allLocations = new ArrayList<>();
allLocations.add(Arrays.asList(1,2));
allLocations.add(Arrays.asList(3,4));
allLocations.add(Arrays.asList(1,-3));
nearestVegRest(3,allLocations, 1);

List<List<Integer>> allLocations1 = new ArrayList<>();
allLocations1.add(Arrays.asList(2,4));
allLocations1.add(Arrays.asList(3,6));
allLocations1.add(Arrays.asList(2,7));
allLocations1.add(Arrays.asList(5,3));
allLocations1.add(Arrays.asList(1,8));
allLocations1.add(Arrays.asList(7,9));
nearestVegRest(6,allLocations1, 3);

}

static List<List<Integer>> nearestVegRest(int totalRests, List<List<Integer>> allLocations, int numRest)
{
TreeMap<Double,List<Integer>> map = new TreeMap<>();
List<List<Integer>> nearest = new ArrayList<>();
if(numRest <= totalRests)
{

for(int i =0; i<allLocations.size(); i++)
{
List<Integer> inner = allLocations.get(i);
double sum = 0d;

sum = Math.pow(Math.abs(inner.get(0)), 2) + Math.pow(Math.abs(inner.get(1)), 2);
map.put(Math.sqrt(sum), allLocations.get(i));

}
System.out.println("Map:"+map);
int j = 1;
for(Map.Entry<Double, List<Integer>> ele: map.entrySet())
{

if(j <= numRest )
{
nearest.add(ele.getValue());
++j;
}
}
System.out.println("nearest:"+nearest);
}

return nearest;

}

}

output:

Map:{2.23606797749979=[1, 2], 3.1622776601683795=[1, -3], 5.0=[3, 4]}
nearest:[[1, 2]]
Map:{4.47213595499958=[2, 4], 5.830951894845301=[5, 3], 6.708203932499369=[3, 6], 7.280109889280518=[2, 7], 8.06225774829855=[1, 8], 11.40175425099138=[7, 9]}
nearest:[[2, 4], [5, 3], [3, 6]]

2019-01-22T04:49:00.001-08:00

Program to find biggest island

package example;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class IslandProblem1 {

public static void main(String[] args) {
// TODO Auto-generated method stub
//int[][] matrix = int[6][7];

List<List<Integer>> area = new ArrayList<>();
area.add(Arrays.asList(0,0,0,1,1,0,0));
area.add(Arrays.asList(0,1, 0, 0,1,1,0));
area.add(Arrays.asList(1,1,0,1,0,0,1));
area.add(Arrays.asList(0,0,0,0,0,1,0));
area.add(Arrays.asList(1,1,0,0,0,0,0));
area.add(Arrays.asList(0,0,0,1,0,0,0));
Integer[][] areaArray = convertListToArray(area);
int size = getBiggestRegion(areaArray);
System.out.println("Biggest Island size:" +size);
}

public static int getRegionSize(Integer[][] matrix, int row, int column)
{
if(row < 0 || column < 0 || row >= matrix.length || column >= matrix[row].length)
{
return 0;
}
if(matrix[row][column] == 0)
{
return 0;
}
//System.out.println(row + " "+ column);
matrix[row][column] = 0;
int size = 1;

for(int r = row -1; r<= row+1; r++)
{
for (int c = column -1 ; c<= column+1; c++)
{
if(r != row || c!=column)
{
//System.out.println(r +" "+ c);
size += getRegionSize(matrix, r ,c);
}
}
//System.out.println("*** ");
}
return size;

}
public static int getBiggestRegion(Integer[][] matrix)
{

int maxRegion = 0;

for(int row=0; row< matrix.length; row++)
{
for(int column= 0; column <matrix[row].length; column ++)
if (matrix[row][column] == 1)
{
int size = getRegionSize(matrix, row, column);
maxRegion = Math.max(size, maxRegion);
}
}
return maxRegion;
}

static Integer[][] convertListToArray(List<List<Integer>> area) {
Integer[][] areaArray = new Integer[area.size()][];
for (int i = 0; i < area.size(); i++) {
List<Integer> list = area.get(i);
System.out.println(list);
areaArray[i] = list.toArray(new Integer[list.size()]);
}
return areaArray;
}

}

Output:

[0, 0, 0, 1, 1, 0, 0]

[0, 1, 0, 0, 1, 1, 0]

[1, 1, 0, 1, 0, 0, 1]

[0, 0, 0, 0, 0, 1, 0]

[1, 1, 0, 0, 0, 0, 0]

[0, 0, 0, 1, 0, 0, 0]

Biggest Island size:7

2019-01-22T04:46:00.004-08:00

Program to find no.of connected islands

package example;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class IslandCount {

static int islandCount = 0;

public static void main(String[] args) {

Map<Integer, List<Integer>> map = new HashMap<>();

List<List<Integer>> area = new ArrayList<>();
area.add(Arrays.asList(0, 0, 0, 1, 1, 0, 0));
area.add(Arrays.asList(0, 1, 0, 0, 1, 1, 0));
area.add(Arrays.asList(1, 1, 0, 1, 0, 0, 1));
area.add(Arrays.asList(0, 0, 0, 0, 0, 1, 0));
area.add(Arrays.asList(1, 1, 0, 0, 0, 0, 0));
area.add(Arrays.asList(0, 0, 0, 0, 0, 1, 1));
Integer[][] areaArray = convertListToArray(area);

getBiggestRegion(areaArray);
System.out.println("islandCount :" + islandCount);
}

public static int getRegionSize(Integer[][] matrix, int row, int column) {
if (row < 0 || column < 0 || row >= matrix.length || column >= matrix[row].length) {
return 0;
}
if (matrix[row][column] == 0) {
return 0;
}
//System.out.println(row + " " + column);
matrix[row][column] = 0;
int size = 1;

for (int r = row - 1; r <= row + 1; r++) {
for (int c = column - 1; c <= column + 1; c++) {
if (r != row || c != column) {
// System.out.println(r +" "+ c);
size += getRegionSize(matrix, r, c);
}
}
//System.out.println("*** ");
}
return size;

}

public static int getBiggestRegion(Integer[][] matrix) {

int maxRegion = 0;

for (int row = 0; row < matrix.length; row++) {
for (int column = 0; column < matrix[row].length; column++) {
if (matrix[row][column] == 1) {
int size = getRegionSize(matrix, row, column);
maxRegion = Math.max(size, maxRegion);
islandCount++;
}
}
}
return maxRegion;
}

static Integer[][] convertListToArray(List<List<Integer>> area) {
Integer[][] areaArray = new Integer[area.size()][];
for (int i = 0; i < area.size(); i++) {
List<Integer> list = area.get(i);
System.out.println(list);
areaArray[i] = list.toArray(new Integer[list.size()]);
}
return areaArray;
}

}

output:

[0, 0, 0, 1, 1, 0, 0]
[0, 1, 0, 0, 1, 1, 0]
[1, 1, 0, 1, 0, 0, 1]
[0, 0, 0, 0, 0, 1, 0]
[1, 1, 0, 0, 0, 0, 0]
[0, 0, 0, 0, 0, 1, 1]
islandCount :4

Java program for fibonacci series for n elements

2018-12-31T22:14:00.001-08:00

package example;

import java.util.ArrayList;
import java.util.List;

public class Fibonacci {

public static void main(String[] args) {
int n =10;
int t1=0, t2=1;
int sum;

List<Integer> l = new ArrayList<>();
l.add(t1);l.add(t2);
for(int i = 1; i<(n - 1); i++)
{
sum = t1 + t2;
l.add(sum);
t1 = t2;
t2 = sum;

}
System.out.println(l);
}

}

Output: [0, 1, 1, 2, 3, 5, 8, 13, 21, 34]

Java program to count duplicates in a list

2018-12-31T22:13:00.001-08:00

package example;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class FruitsExample {

public static void main(String[] args) {

List<String> list = new ArrayList<String>();
list.addAll(Arrays.asList("banana","apple","apple","mango","banana","orange"));
Map<String, Integer> map = new HashMap<String, Integer>();

Set<String> set = new HashSet<String>();
set.addAll(list);

for(String str:set)
{
int occ = Collections.frequency(list, str);

map.put(str,occ);
}

System.out.println(map);
map.forEach((k,n) -> System.out.println(k+"->"+n));
}
}

OUTPUT: {banana=2, orange=1, apple=2, mango=1}
banana->2
orange->1
apple->2
mango->1

Sorting an array using single loop

2018-12-31T22:06:00.004-08:00

package example;

public class singleLoopSort {

public static void main(String[] args) {
int[] list = {23,90,45,78,56,45,23};
int temp;

for(int i = 0; i < list.length - 1; i++)
{
if (list[i] > list[i + 1]) {
temp = list[i];
list[i] = list[i + 1];
list[i + 1] = temp;
i = 0;
}
}

for (int i = 0; i < list.length; i++) {
System.out.print(list[i] + " ");
}

System.out.println("REVERSE ORDER :");
for (int i = list.length -1 ; i >= 0; i--) {
System.out.print(list[i] + " ");
}
}

}

output:
23 45 56 78 90
REVERSE ORDER : 90 78 56 45 23

Java program using var args

2018-12-31T22:05:00.001-08:00

package example;

public class varargs {

public static void main(String[] args) {
System.out.println("1:" + sum(1, 2, 3));
System.out.println("2:" + sum(1, 2, 3, 6, 7, 0));

}

public static int sum(int... a) {
int sum1 = 0;

for (int i : a) {
sum1 = sum1 + i;
}
return sum1;

}

}

Output:

1:6

2:19

Java program to count number of palindrome words in a given sentence

2018-12-31T21:55:00.001-08:00

package example;

import java.util.StringTokenizer;

public class palindromeCount {

public static void main(String[] args) {
String str = " Madam Arora non teaches io malayalam ";
StringTokenizer st = new StringTokenizer(str, " ");
int palinCount = 0;

while (st.hasMoreElements()) {
if (checkPalindrome(st.nextToken())) {
palinCount++;
}
}
System.out.println("palindrome words count:" + palinCount);

}

private static boolean checkPalindrome(String str) {
StringBuilder sb = new StringBuilder();
sb.append(str);
if (str.equalsIgnoreCase(sb.reverse().toString())) {
return true;
} else
return false;

}

}

Output: palindrome words count:4

Hours comparision in java using SimpleDateFormat

2013-01-30T18:17:00.003-08:00

Hour comparision in 24 hour format using SimpleDateFormat overrided compareTo method

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class DateComparision {

   public void isTimeBreached(StringBuilder breachTime){
       SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
       Date breachDateTime = null;
       Date systemDateTime = null;
       try {
           breachDateTime = sdf.parse(breachTime.toString());
           Calendar systemCal = Calendar.getInstance();
           systemCal.setTimeInMillis(System.currentTimeMillis());
           systemDateTime = systemCal.getTime();
           System.out.println(systemDateTime+" >> converted to >> "+sdf.format(systemDateTime));
           int value = sdf.format(systemDateTime).compareTo(sdf.format(breachDateTime));
           if(value <= 0){
               System.out.println(sdf.format(systemDateTime)+ " is within time "+sdf.format(breachDateTime));
           }else{
               System.out.println(sdf.format(systemDateTime)+ " breached the time "+sdf.format(breachDateTime));
           }
       } catch (ParseException e) {
           System.err.println("The date should be in HH:mm:ss format:"+breachTime);
           e.printStackTrace();
       }
   }

   public static void main(String[] args) {
       try{
           DateComparision dc = new DateComparision();
           StringBuilder breachTime = new StringBuilder("15:00:00");
           dc.isTimeBreached(breachTime);
       }catch(Exception pe){
           pe.printStackTrace();
       }
   }

}

output:

1) Thu Jan 01 19:00:00 CST 1970 >> converted to >> 19:00:00
19:00:00 breached the time 15:00:00

2) Changed breached time to 21
Wed Jan 30 20:17:09 CST 2013 >> converted to >> 20:17:09
20:17:09 is within time 21:00:00

Placing multiple markers on a Google Map with image

2012-12-18T20:32:00.000-08:00

Example for Placing multiple markers with image on a Google Map

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<script src="http://maps.google.com/maps?file=api&v=2&key=xxxxx" type="text/javascript"></script>
<style type="text/css">
#map{
height: 150%;
width: 100%;
    }
</style>

<script type="text/javascript">
    var map;
    var geocoder;
    var xml;
    var markers;
    var mapopt;
    var address;
    var    markeraddress;
    var k=0;

     // On page load, call this function
   function load()
   {
     // Create new map object
      map = new GMap2(document.getElementById("map"));
      map.addControl(new GMapTypeControl());
    map.setMapType(G_SATELLITE_MAP);
    map.addControl(new GLargeMapControl3D());
    // Create new geocoding object
      geocoder = new GClientGeocoder();
    var latlonarr=new Array();
    var arselected = new Array();
    var length1=0;
    var loopcount=0;
    var sw=0;

        arselected[0]="Bhoopalpally Phase -II,Hanamkonda,Warangal";
        arselected[1]="Gopalan arcade.4th flore,1st Main,Kasturi Nagar,Bangalore,KA";
        arselected[2]="Sri Mobiles,No 2,24th Main,JP Nagar 1st Phase,Bangalore,KA";
        arselected[3]="#33,RK Mutt Road,Ulsoor,Bangalore 560008,KA";
        arselected[4]="Minnu Tour & Travels No 74,Nagavarapalya,CV Raman Nagar,Bangalore,KA";
        arselected[5]="Fazal Technologies,No 89,Fazal Manor,Richmond Road,Bangalore,KA";
        arselected[6]="Neon Electronics,No 335/,Gokul Complex,Sampige Road,Malleshwaram,Bangalore,KA";
        arselected[7]="Canadian International School Survey No.420,Yelahanka,Bangalore,KA";
        arselected[8]="485,6th 'D' Cross,Koramangala 6th Block,Bangalore,KA";
        arselected[9]="Salarpuria Infinity, 3rd Floor #5,Bannerghatta Road ,Bangalore-560029,KA";
        arselected[10]="BMTC,central offices,K.H.Road,Shanthi nagar,Bangalore-560027";
        arselected[11]="57-A, 21st K M, Hosur Road, Bommasandra Industrial Area,Bangalore,KA";
        arselected[12]="63/8.Maruthi Layout,Near Rajaram Factory,2nd Phase,Peenya Industrial Area,Bangalore,KA";
        arselected[13]="Plot 1&2, KIADB Industrial area, Attibele,Bangalore,KA";
        arselected[14]="Apt 203, Scion Enclave, Govindappa Lane, Off 80 ft rd,Indira nagar,Bangalore,KA";

        var address=new Array();
        var exact_address=new Array();
        var exact=new Array();
        var j;
        var count=0;
        var marker=new Array();
        var exact_add=new Array();
        var xmlfl="<markers>";
        var s=0;
        var km=0;
        var url="'http://www.google.com','google','width=400,height=400'";
        for (var i = 0; i < arselected.length; i++)
          {
            address[i]= arselected[i];
            var len=address[i].split(',').length;
            exact=address[i].split(',');
            for(var k=0;k<3;k++)
            {
               exact_add[k]=exact[parseInt(len)-(parseInt(k)+1)];
            }

            exact_add.reverse();
            exact_address[i]=exact_add;
            s=i+1;
                xmlfl+="<marker address=\""+exact_address[i]+"\">";
                xmlfl+="<AlphaCharacter>"+s+"</AlphaCharacter></marker>";
            }
            xmlfl+="</markers>";
            document.getElementById("sample").innerHTML="";
            document.getElementById("sample").innerHTML=xmlfl;
            markers =document.getElementById("sample").getElementsByTagName("marker");
            for (var i = 0; i < exact_address.length; i++)
            {
                  markeraddress = markers[i].getAttribute("address");
                geocoder.getLocations(markeraddress,addToMap);
                document.getElementById("loop").value=i;
            }

        function addToMap(response)
                     {

                             place = response.Placemark[0];
                             point = new GLatLng(place.Point.coordinates[1],place.Point.coordinates[0]);
                            latlonarr[km]=point;
                            km++;
                            sendpoint(point);
                   }
                function sendpoint(point)
                {
                           var numberedIcon = new GIcon(G_DEFAULT_ICON)
                            var ar=address[loopcount];
                            map.setCenter(point, 13);
                             numberedIcon.image = "http://www.geocodezip.com/mapIcons/marker.png"
                            var k=document.getElementById("loop").value;
                             markerOptions = { icon:numberedIcon, clickable:true,title:ar,position:loopcount}
                             mapopt= { icon:numberedIcon, clickable:true,title:ar,position:loopcount};
                             marker= new GMarker(point,mapopt);
                            map.addOverlay(marker);
                            loopcount++;
            }
            GEvent.addListener(map,"click",function(marker,markerOptions,ar)
                                           {
                                                   var html="";
                                                   var ra="";
                                                   var sowji=0;
                                                for(var siri=0;siri<15;siri++)
                                                {
                                                   if(latlonarr[siri]==ar)
                                                   {
                                                      sowji=siri;
                                                      ra=address[siri-1];
                                                    }
                                                }

                                                 html=ra+"<br><img src=\"im/css.jpg\" height=\"160px\" width=\"240px\"/>For More Information <a href=javascript:popupwin("+url+")><b>click<b></a>";
                                                marker.openInfoWindowHtml(html,{maxWidth:200},markerOptions);
                                          });
            }

    function popupwin(url)
    {
        newwindow=window.open(url);
        if (window.focus) {newwindow.focus();}
    }
</script>
</head>
<body onLoad="load()">
<input type="hidden" name="loop" id="loop">
<div id="map"></div>
<div id="sample" style="display=none"></div>
</body>
</html>

Webservices WS security WSS

2012-09-28T15:40:00.000-07:00

WS-Security (Web Services Security, short WSS) is a flexible and feature-rich extension to SOAP to apply security to web services. It is a member of the WS-* family of web service specifications and was published by OASIS.

The protocol specifies how integrity and confidentiality can be enforced on messages and allows the communication of various security token formats. Its main focus is the use of XML Signature and XML Encryption to provide end-to-end security.
The specification allows a variety of signature formats, encryption algorithms and multiple trust domains, and is open to various security token models, such as:

X.509 certificates,
Kerberos tickets,
UserID/Password credentials,
SAML Assertions, and
custom-defined tokens.

WS-Security incorporates security features in the header of a SOAP message. Below is a sample program on how to incorporate ws-security in SOAP message header. I am using the UserID/Password credentials.

import java.io.IOException;

import java.net.URL;

import java.util.Date;

import javax.xml.soap.MessageFactory;

import javax.xml.soap.Name;

import javax.xml.soap.SOAPBody;

import javax.xml.soap.SOAPConnection;

import javax.xml.soap.SOAPConnectionFactory;

import javax.xml.soap.SOAPElement;

import javax.xml.soap.SOAPEnvelope;

import javax.xml.soap.SOAPException;

import javax.xml.soap.SOAPFactory;

import javax.xml.soap.SOAPHeader;

import javax.xml.soap.SOAPHeaderElement;

import javax.xml.soap.SOAPMessage;

import javax.xml.soap.SOAPPart;

public class WebservicesSecurityService {

public static final String SECURITY = "Security";

public static final String WSSE_NS = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd";

public static final String WSSE_PREFIX = "wsse";

public static final String WSU_NS = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";

public static final String WSU_PREFIX = "wsu";

public static final String PAL_NS = "http://palin.com";

public static final String PAL_PREFIX = "pal";

public static final String PASSWORD_TEXT_TYPE = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText";

public static final String ENCODING_TYPE = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary";

public static final String USERNAME = "UserName";

public static final String PASSWORD = "Password";

public static final String WEBSERVICE_URL = "http://localhost:8080/axis2/services/PalinServ?wsdl";

public static Object makeRequest(int xml) throws IOException, SOAPException, Exception{

SOAPMessage soapMessage = MessageFactory.newInstance().createMessage();

SOAPPart soapPart = soapMessage.getSOAPPart();

SOAPEnvelope soapEnvelope = soapPart.getEnvelope();

SOAPFactory soapFactory = SOAPFactory.newInstance();

SOAPBody soapBody = soapEnvelope.getBody();

soapEnvelope.addNamespaceDeclaration("xsi", "http://www.w3.org/2001/XMLSchema-instance");

soapEnvelope.addNamespaceDeclaration("xsd", "http://www.w3.org/2001/XMLSchema");

soapEnvelope.addNamespaceDeclaration("soap", "http://www.w3.org/2003/05/soap-envelope");

soapEnvelope.addNamespaceDeclaration(PAL_PREFIX, PAL_NS);

SOAPHeader soapHeader = soapMessage.getSOAPHeader();

if (soapHeader == null)

soapHeader = soapEnvelope.addHeader();

SOAPHeaderElement elHeader = soapHeader.addHeaderElement(

soapEnvelope.createName("Security", WSSE_PREFIX, WSSE_NS));

elHeader.setMustUnderstand(false);

Name usernameNameToken = soapEnvelope.createName("UsernameToken", WSSE_PREFIX, WSSE_NS);

SOAPElement elUnToken = elHeader.addChildElement(usernameNameToken);

elUnToken.setAttribute("wsu:Id","UsernameToken-2");

elUnToken.setAttribute("xmlns:wsu", WSU_NS);

Name usernameName = soapEnvelope.createName("Username", WSSE_PREFIX, WSSE_NS);

SOAPElement usernameMsgElem = soapFactory.createElement(usernameName);

usernameMsgElem.addTextNode(USERNAME);

elUnToken.addChildElement(usernameMsgElem);

Name passwordName = soapEnvelope.createName("Type", WSSE_PREFIX, WSSE_NS);

SOAPElement passwordMsgElem = soapFactory.createElement("Password", WSSE_PREFIX, WSSE_NS);

passwordMsgElem.addAttribute(passwordName, PASSWORD_TEXT_TYPE);

passwordMsgElem.addTextNode(PASSWORD);

elUnToken.addChildElement(passwordMsgElem);

Name nonceName = soapEnvelope.createName("EncodingType", WSSE_PREFIX, WSSE_NS);

SOAPElement nonceMsgElem = soapFactory.createElement("Nonce", WSSE_PREFIX, WSSE_NS);

nonceMsgElem.addAttribute(nonceName, ENCODING_TYPE);

nonceMsgElem.addTextNode("u6r/JZ+Y73epyvmENjBeZQ==");

elUnToken.addChildElement(nonceMsgElem);

SOAPElement createdElem = elUnToken.addChildElement("Created", WSU_PREFIX , WSU_NS);

createdElem.addTextNode(String.valueOf(new Date()));
soapBody.addChildElement(WebservicesSecurityService.makeOperation(xml));

soapMessage.writeTo(System.out);

return soapMessage;

}

public static void callService() throws IOException, Exception {

SOAPMessage soapMessageRequest = (SOAPMessage) WebservicesSecurityService.makeRequest(12321);

SOAPConnectionFactory sfc = SOAPConnectionFactory.newInstance();

SOAPConnection connection = sfc.createConnection();

URL endpoint = new URL(WEBSERVICE_URL);

SOAPMessage soapMessageResponse = connection.call(soapMessageRequest, endpoint);

soapMessageResponse.writeTo(System.out);

connection.close();

}

public static SOAPElement makeOperation(int number) throws SOAPException{

SOAPFactory soapFactory = SOAPFactory.newInstance();

SOAPElement isPalin = soapFactory.createElement("isPalindrome", PAL_PREFIX, PAL_NS);

SOAPElement args = isPalin.addChildElement("args0", PAL_PREFIX, PAL_NS);

args.addTextNode(String.valueOf(number));

return isPalin;

}

public static void main(String[] args) {

try {

WebservicesSecurityService.callService();

} catch (Exception e) {

e.printStackTrace();

}

This is how the generated security request looks:

<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:pal="http://palin.com" xmlns:soap="http://www.w3.org/2003/05/soap-envelope"
xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<SOAP-ENV:Header>
<wsse:Security
xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"
SOAP-ENV:mustUnderstand="0">
<wsse:UsernameToken
xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"
wsu:Id="UsernameToken-2">
<wsse:Username>UserName</wsse:Username>
<wsse:Password
wsse:Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText">Password</wsse:Password>
<wsse:Nonce
wsse:EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary">u6r/JZ+Y73epyvmENjBeZQ==</wsse:Nonce>
<wsu:Created>Fri Sep 28 17:45:38 CDT 2012</wsu:Created>
</wsse:UsernameToken>
</wsse:Security>
</SOAP-ENV:Header>
<SOAP-ENV:Body>
<pal:isPalindrome>
<pal:args0>12321</pal:args0>
</pal:isPalindrome>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>

Testing webservices manually with raw soap request

2012-09-27T18:28:00.001-07:00

This method is useful when you are required to generate a SOAP request manually without using any tools like axis2, jaxrpc etc. Here we manually create the request using java, no other jar files are required.

Pre-requisite:

Jdk 1.6.0_31 installed
Up and running webservice (see my post http://helptodeveloper.blogspot.com/2012/09/creating-basic-webservice-example.html on how to create your own webservice up and running within minutes). I am going to use my Palindrome webservice, the link is given above.

First we have to identify the request which we are going to create (you can identify your request using SOAP-UI here http://helptodeveloper.blogspot.com/2012/09/testing-webservice-or-wsdl-with-soap-ui.html). I am using the PalinServ webservice, so below is the request.

Request:
<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:pal="http://palin.com">
<soap:Header/>
<soap:Body>
<pal:isPalindrome>
<pal:args0>123454321</pal:args0>
</pal:isPalindrome>
</soap:Body>
</soap:Envelope>

Java code for request creation:

package com.service.palinImpl;

import java.io.IOException;
import java.net.URL;
import javax.xml.soap.MessageFactory;
import javax.xml.soap.SOAPBody;
import javax.xml.soap.SOAPConnection;
import javax.xml.soap.SOAPConnectionFactory;
import javax.xml.soap.SOAPElement;
import javax.xml.soap.SOAPEnvelope;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPFactory;
import javax.xml.soap.SOAPHeader;
import javax.xml.soap.SOAPMessage;
import javax.xml.soap.SOAPPart;

public class PalindromeServiceImpl {
public static final String PAL_NS = "http://palin.com";
public static final String PAL_PREFIX = "pal";
public static final String WEBSERVICE_URL = "http://localhost:8080/axis2/services/PalinServ?wsdl";

public static Object makeRequest(SOAPElement request) throws IOException, SOAPException, Exception{
SOAPMessage soapMessage = MessageFactory.newInstance().createMessage();
SOAPPart soapPart = soapMessage.getSOAPPart();
SOAPEnvelope soapEnvelope = soapPart.getEnvelope();
SOAPBody soapBody = soapEnvelope.getBody();
soapEnvelope.addNamespaceDeclaration(PAL_PREFIX, PAL_NS);
SOAPHeader soapHeader = soapMessage.getSOAPHeader();
if (soapHeader == null){
soapHeader = soapEnvelope.addHeader();
}
soapBody.addChildElement(request);
soapMessage.writeTo(System.out);
return soapMessage;
}

public static void callService() throws IOException, Exception {
SOAPElement bodyElem = PalindromeServiceImpl.makePalindromeOperation(123454321);
SOAPMessage soapMessageRequest = (SOAPMessage) PalindromeServiceImpl.makeRequest(bodyElem);
SOAPConnectionFactory sfc = SOAPConnectionFactory.newInstance();
SOAPConnection connection = sfc.createConnection();
URL endpoint = new URL(WEBSERVICE_URL);
SOAPMessage soapMessageResponse = connection.call(soapMessageRequest, endpoint);
soapMessageResponse.writeTo(System.out);
connection.close();
}

/*<pal:isPalindrome>
<pal:args0>123454321</pal:args0>
</pal:isPalindrome> */
public static SOAPElement makePalindromeOperation(int number) throws SOAPException{
SOAPFactory soapFactory = SOAPFactory.newInstance();
SOAPElement isPalin = soapFactory.createElement("isPalindrome", PAL_PREFIX, PAL_NS);
SOAPElement args = isPalin.addChildElement("args0", PAL_PREFIX, PAL_NS);
args.addTextNode(String.valueOf(number));
return isPalin;
}

public static void main(String[] args) {
try {
PalindromeServiceImpl.callService();
} catch (Exception e) {
e.printStackTrace();
}
}
}

Below are the Request and Response after running the above program:

Request
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:pal="http://palin.com">
<SOAP-ENV:Header />
<SOAP-ENV:Body>
<pal:isPalindrome>
<pal:args0>123454321</pal:args0>
</pal:isPalindrome>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
Response
<?xml version='1.0' encoding='utf-8'?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
<soapenv:Body>
<ns:isPalindromeResponse xmlns:ns="http://palin.com">
<ns:return>Palindrome</ns:return>
</ns:isPalindromeResponse>
</soapenv:Body>
</soapenv:Envelope>

Hope this helped :)

Testing Webservice or wsdl with SOAP UI

2012-09-25T14:53:00.000-07:00

Testing a webservice is very easy and it can be done within minutes using SOAP UI.

The best thing about SOAP UI is that it’s a free and open source application, meaning anyone can have free access to the full source code. Because soapUI is Java-based, it works on most operating systems, including Windows, Linux and Mac. It also means you can modify or customize it any way you like. And you can find everything you need to know about soapUI at its official site soapUI.org.

Pre-requisite: We need a wsdl and that too up and running on a server. You can create your own wsdl file from my previous post below.

http://helptodeveloper.blogspot.com/2012/09/creating-basic-webservice-example.html

To check whether the service is up or not, you can just type the wsdl url in you web browser (there should be ?wsdl at the end of your url), you should see an xml file in your browser.

example of wsdl url: http://<host > : < port>/axis2/services/PalinServ?wsdl

Download SOAP-UI (I used the 4.5.1 version for this example). Once you have installed and run it, create a new project as below.

I am using a wsdl from my previous post http://helptodeveloper.blogspot.com/2012/09/creating-basic-webservice-example.html which returns whether the given number is Palindrome or not..

Give a name to the project and give our wsdl url in the section provided, and check the 'Create Requests' and 'Create TestSuite' (most often used by testers) and click OK button.

NOTE: Make sure our service is up and RUNNING.

We can see our operations in the next window, make selections as shown below and click on OK button.

Provide a name for TestSuite.

It will ask for both SOAP 1.1 and SOAP 1.2, repeat the same steps for SOAP 1.2 also.

Now click on any request from either SOAP 1.1 or SOAP 1.2, you can see the request how exactly it is going to send to our service using SOAP. Shown below is the request from the SOAP 1.2 request.

Give parameters in the args0 tag in place of the "?" and click on the green play/run button in the left top corner of window Request 1. Then you can see the webservice response in the right most window of the Request 1.

Here is the output for a non-palindrome number.

Below is the output for an invalid input, you might be wondering how the SOAP UI has identified it as an "Invalid value"!

We can find the reason for the above fault code in the wsdl file where the data type is defined as int, see below the snippet from wsdl file

<xs:element minOccurs="0" name="args0" type="xs:int"/>

Creating basic webservice example

2012-09-24T19:33:00.000-07:00

Basic webservice example the manual way using axis2 and testing using SOAP UI

Apache Axis2 is a Web Service engine for deploying the web services, you can find more information about it at its official http://axis.apache.org/axis2/java/core/.

Pre-requisites:

Java 1.5 or greater installed (I am using 1.6 here)
Apache Tomcat 6 or above installed
Apache Axis2 web archive (.war.zip file) from the official site download page http://axis.apache.org/axis2/java/core/download.cgi (I am using 1.6.2 here)

Now unzip and copy axis2.war into Tomcat's webapps directory, start the Tomcat server and navigate to http://localhost:8080/axis2, you should see the below welcome page

For accessing the Administration page you need the credentials admin/axis2 for doing all the necessary administrative activities.

When we click on services link you can see one Version service which dislpays the version which comes by default in the axis2 war bundle.

There are two types of approaches while developing web services, they are:

a) Code first (also called as bottom-up approach): In this approach we will start programming the classes and business logic as java code and then generate the web service contract(wsdl)

b) Contract first (also called as top-bottom approach): In this approach we will start generating class stubs from the WSDL.

We will go with the code first approach which is the most preferred way so let us quickly get into the example

1) Create a project with package and META-INF folders within it as shown below

2) Write the service class first through which we are going to service, let us write a program which validates whether the given number is a palindrome or not PalindromeService.java.

package com.palin;

public class PalindromeService {

public String isPalindrome(int number) {

String palin=null;

try {

int tempNumber = number;

int reverse = 0;

for (int i = 0; i <= number; i++) {

int temp = number % 10;

number = number / 10;

reverse = reverse * 10 + temp;

i = 0;

}

if (tempNumber == reverse) {

palin="Palindrome";

} else {

palin="Not Palindrome!";

}

} catch (Exception e) {

palin="Invalid number!";

}

return palin;

}

Create the service descriptor i.e, services.xml (and place in location:WEB-INF)

</transports>

<parameter name="ServiceClass" locked="xsd:false">com.palin.PalindromeService</parameter>

<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out"

class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>

</operation>

</service>

The <service> tag is used to define the services, we can even declare the scope for it. We can have multiple services in single services.xml file.

The <transport> tag is used to declare which senders/listeners for SOAP over different protocols like FTP, SMTP, HTTPS, HTTP etc. Here I have used just http. If we are not going to declare any transport, then all the transports that are available in the default axis2.xml file are accepted by default. These can be found in the %TOMCAT_HOME%\webapps\axis2\WEB-INF\conf\axis2.xml with <transportSender> tag.

The <parameter> tag is used to define our service class along with the package name.

The <operation> tag is used to define our method which we are going to expose. All the methods which we wish to publish or do the service are treated as operations in the service descriptor, here isPalindrome is our operation.

RPCMessageReceiver is the messageReceiver which is the most commonly used one for receiving messages.

3) Now we are going to compile the class, create an axis archive file (.aar) as shown below

4) Now copy the PalinServ.aar into webapps/axis2/WEB-INF/services directory and restart your Tomcat and check this url http://localhost:8080/axis2/services/listServices we should be able to see our service along with the default Version service as shown below.

We can see our service name under Service Description section and our method under Available Operations section as shown above.

We can see the .wsdl file url under the Service EPR (endpoint) section but we need to append ?wsdl to its end like http://localhost:8080/axis2/services/PalinServ?wsdl

As the previous version should not get effected, it supports all its previous ones SOAP 1.1, SOAP 1.2 that is the reason why you will be seeing more than one endpoints.

Now, for testing whether you webservice is working or not, see this post http://helptodeveloper.blogspot.com/2012/09/testing-webservice-or-wsdl-with-soap-ui.html.

If you don't have any tools for testing your webservice; you can do manually, look in this post http://helptodeveloper.blogspot.com/2012/09/testing-webservices-manually-with-raw.html on how to test.

Jasper report printing at client side,Java,Struts,jasper reports, print at client side,Ajax

2011-12-20T09:56:00.000-08:00

Hi friends,

I have developed one project which is customised Jasper Reports with export and print options.

I haven't get any problem for export options.

Coming to Print, i found that it is printing at server end.

So to eliminate that problem i found one solution that will be printing at client side.

For this solution i have used Jasper Report object and Ajax functionality.

The code is like this:

1) In my JSP

Handler: For a "Print" Button you need to add onclick listener function print();

function print()

{

/* ========== AJAX Initializtion ========== */

xmlhttp = false;

if (window.XMLHttpRequest) {// code for Firefox, Opera, IE7, etc.

xmlhttp=new XMLHttpRequest();

} else if (window.ActiveXObject) {// code for IE6, IE5

xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");

}

/* ========== AJAX Initializtion ========== */

if (xmlhttp!=null) {

url = "/mms/reports";

xmlhttp.onreadystatechange= function () { getWorkReqDivs(xmlhttp); };

xmlhttp.open("POST", url, true);

xmlhttp.setRequestHeader("Cache-Control","no-cache, private, max-age=0");

xmlhttp.send(null);

} else {

alert("Your browser does not support XMLHTTP.");

}

function getWorkReqDivs(httpRequest1)

{

if(httpRequest1.readyState==4)

{

if(httpRequest1.status==200)

{

var result = httpRequest1.responseText;

var disp_setting="toolbar=yes,location=no,directories=yes,menubar=yes,";

disp_setting+="scrollbars=yes,width=650, height=600, left=100, top=25";

var content_vlue=result;

var docprint= window.open("", "", disp_setting);

docprint.document.open();

docprint.document.write(&lthtml>);

docprint.document.write(<body onLoad="self.print()">&lt

/body>

&lt

/html>);

docprint.document.write(content_vlue);

docprint.document.close();

docprint.focus();

}

This script is used to get the Jasper Report in HTML format as responseText. So this text is added in window.open().It looks like print preview.In onload itself print dialog box will come to ask print.

Struts-config.xml

</action>

Java Class: (printAction.java)

JRHtmlExporter exporter = new JRHtmlExporter();

String jrept = "indentReport.jrxml";

String reportFileName = JasperCompileManager.compileReportToFile(request.getRealPath("/reports") + "/" + jrept);

java.util.Map parameters = new java.util.HashMap();

Connection con = MMSDB.getConnection();String fromDatet="01/01/2010";String toDate="28/02/2010";

parameters.put("fromDate", fromDatet);parameters.put("toDate", toDate);

File reportFile = new File(reportFileName);if (!reportFile.exists()) {throw new JRRuntimeException("File WebappReport.jasper not found. The report design must be compiled first.");

}

JasperPrint jasperPrint = JasperFillManager.fillReport(reportFileName, parameters, con);

PrintWriter out = response.getWriter();response.setContentType("text/html");

exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);

exporter.setParameter(JRHtmlExporterParameter.OUTPUT_WRITER, out);

HashMap fontMap = new HashMap();

exporter.setParameter(JRHtmlExporterParameter.FONT_MAP, fontMap);

exporter.setParameter(JRHtmlExporterParameter.IS_WHITE_PAGE_BACKGROUND, Boolean.FALSE);

exporter.setParameter(JRHtmlExporterParameter.IS_USING_IMAGES_TO_ALIGN, Boolean.FALSE);

exporter.setParameter(JRHtmlExporterParameter.IS_REMOVE_EMPTY_SPACE_BETWEEN_ROWS, Boolean.TRUE);

exporter.setParameter(JRHtmlExporterParameter.IS_WRAP_BREAK_WORD, Boolean.TRUE);

request.setAttribute("exportIndentObject", exporter);

return mapping.findForward("print");}

}

Jsp File :(print.jsp)( The following Jsp is the responseText of the Ajax Call)

<%@page import="net.sf.jasperreports.engine.export.JRHtmlExporter" %>

< % JRHtmlExporter export = (JRHtmlExporter) request.getAttribute("exportIndentObject"); session.setAttribute("exportIndentObject", export); JRHtmlExporter export1 = (JRHtmlExporter) session.getAttribute("exportIndentObject"); export.exportReport(); %>

Calling Procedures from Java

2011-01-25T06:05:00.000-08:00

Google Map with multiple Markers used to locate different locations .
We can show a map with image and contact details like following

Comparing collection objects

2010-11-09T04:46:00.001-08:00

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

package javaapplication1;

import java.util.ArrayList;
import java.util.List;

/**
*
* @author sowjanya.g
*/
public class compare {

    public static void main(String args[]){

        employee e = null;
        List al=new ArrayList();
        e=new employee("sowji","sowji@gmail.com",24);
        al.add(e);
        e=new employee("sowji1","sowji1@gmail.com",30);
        al.add(e);
        boolean checkFlag = false;
        for(employee emp: al){
            if(emp.getMailId().equals("sowji1@gmail.com")){
                checkFlag = true;
                break;
            }
        }
        System.out.println("Check Flag:=="+checkFlag);
        if(!checkFlag){
            e=new employee("sowji2","sowji1@gmail.com",40);
            al.add(e);
        }

        for(employee emp: al){
            System.out.println("email Id:=="+emp.getMailId());
        }

    }

}
class employee
{
    String name;
    String mailId;
    int age;

    public employee(String name,String mail,int age)
    {
        this.name=name;
        this.mailId=mail;
        this.age=age;
    }
    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getMailId() {
        return mailId;
    }

    public void setMailId(String mailId) {
        this.mailId = mailId;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

}

Java Code for sorting objects in collection classes using Comparator

2010-11-09T04:45:00.000-08:00

/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

package javaapplication1;

/**
*
* @author sowjanya.g
*/

import java.util.Arrays;
import java.util.Comparator;

/*

   Java Comparator example.
   This Java Comparator example describes how java.util.Comparator
   interface is implemented to compare Java user defined classe's objects.
   These Java Comparator is passed to Collection's sorting
   method ( for example Collections.sort method)to perform sorting of Java user defined classe's objects.

   */

   /*

   java.util.Comparator interface declares two methods,
   1) public int compare(Object object1, Object object2) and
   2) boolean equals(Object object)

   */

   /*
   We will compare objects of the Person class using custom comparators
   on the basis of person age and name.
   */

class Person{
   private int age;
   private String name;
   public void setAge(int age){
       this.age=age;
   }

   public int getAge(){
       return this.age;
   }

   public void setName(String name){
       this.name=name;
   }

   public String getName(){
       return this.name;
   }
}

/*

User defined java comaprator.
To create custom java comparator Implement Comparator interface and
define compare method.
The below given comparator compares persons on the basis of their age.

*/

class AgeComparator implements Comparator{

   public int compare(Object emp1, Object emp2){
       //parameter are of type Object, so we have to downcast it to Person objects
       int emp1Age = ( (Person) emp1).getAge();
       int emp2Age = ( (Person) emp2).getAge();
       if( emp1Age > emp2Age ){
           return 1;
       }
       else if( emp1Age < emp2Age ){
           return -1;
       }
       else{
           return 0;
       }
   }

}

/* The below given comparator compares persons on the basis of their name. */

class NameComparator implements Comparator{

   public int compare(Object emp1, Object emp2){
       //parameter are of type Object, so we have to downcast it to Person objects
       String emp1Name = ( (Person) emp1 ).getName();
       String emp2Name = ( (Person) emp2 ).getName();
       //uses compareTo method of String class to compare names of the person
       return emp1Name.compareTo(emp2Name);
   }

}

/*

This Java comparator example compares persons on the basis of

their age and name and sort it in that order.

*/

public class JavaComparatorExample{

   public static void main(String args[]){

       /*   Person array which will hold persons */

       Person person[] = new Person[2];
       //set different attributes of the individual person.
       person[0] = new Person();
       person[0].setAge(40);
       person[0].setName("Joe");

       person[1] = new Person();
       person[1].setAge(20);
       person[1].setName("Mark");

       System.out.println("Order of person before sorting is");
       //print array as is.
       for(int i=0; i < person.length; i++){
           System.out.println( "Person " + (i+1) + " name :: " +
                   "" + person[i].getName() + ", Age :: " + person[i].getAge());
       }

       /*

       Sort method of the Arrays class sorts the given array.
       Signature of the sort method is,
       static void sort(Object[] object, Comparator comparator)
       IMPORTANT: All methods defined by Arrays class are static. Arrays class
       serve as a utility class.

       */

       /*   Sorting array on the basis of person age by passing AgeComparator   */

       Arrays.sort(person, new AgeComparator());
       System.out.println("\n\nOrder of person after sorting by person age is");
       for(int i=0; i < person.length; i++){
           System.out.println( "Person " + (i+1) + " name :: " +
                   "" + person[i].getName() + ", Age :: " + person[i].getAge());
       }

       /*   Sorting array on the basis of person Name by passing NameComparator */

       Arrays.sort(person, new NameComparator());
       System.out.println("\n\nOrder of person after sorting by person name is");
       for(int i=0; i < person.length; i++){
           System.out.println( "Person " + (i+1) + " name :: " +
                   "" + person[i].getName() + ", Age :: " + person[i].getAge());
       }
   }

}

Java Code for sorting objects in collection classes using Comparable interface

2010-11-09T04:31:00.000-08:00

package javaapplication1;

import java.util.ArrayList;
import java.util.Collections;

/**
*
* @author sowjanya.g
*/
public class Main {

public static void main(String[] args) {
ArrayList al=new ArrayList();

person p1=new person("sowjanya","sowji1.gutla@gmail.com","24");
person p2=new person("lavanya","ll.gutla@gmail.com","24");
person p3=new person("chaithu","chaithu1.gutla@gmail.com","24");
person p4=new person("avinash","zzzzi.moram@gmail.com","24");

al.add(p1);
al.add(p4);
al.add(p3);
al.add(p2);

System.out.println("al---before--"+al);

Collections.sort(al);

System.out.println("al----after---"+al);
}
}

class person implements Comparable
{
String name;
String mailId;
String age;

public int compareTo(Object o)
{
person per=(person)o;
return mailId.compareTo(per.getMailId());
}

person(String name1,String mail,String age1)
{
name=name1;
mailId=mail;
age=age1;
}
// method used to know the o/p as strings instead objects
@Override
public String toString()
{
return "Name: "+name+"---mailId--"+mailId+"---age--"+age;
}

public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
public String getMailId() {
return mailId;
}
public void setMailId(String mailId) {
this.mailId = mailId;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}

}

Google Map with multiple markers

2010-10-06T01:19:00.000-07:00

Google Map with multiple Markers used to locate different locations .
We can show a map with image and contact details like following

Example for Placing multiple markers with image on a Google Map

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<script src="http://maps.google.com/maps?file=api&v=2&key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" type="text/javascript"></script>
<style type="text/css">
#map{
height: 150%;
width: 100%;
    }
</style>

<script type="text/javascript">

    var map;
    var geocoder;
       var xml;
       var markers;
       var mapopt;
       var address;
    var    markeraddress;
    var k=0;

     // On page load, call this function
   function load()
   {
     // Create new map object
      map = new GMap2(document.getElementById("map"));
      map.addControl(new GMapTypeControl());
    map.setMapType(G_SATELLITE_MAP);
    map.addControl(new GLargeMapControl3D());
    // Create new geocoding object
      geocoder = new GClientGeocoder();
    var latlonarr=new Array();
    var arselected = new Array();
    var length1=0;
    var loopcount=0;
    var sw=0;

        arselected[0]="Bhoopalpally Phase -II,Hanamkonda,Warangal";
        arselected[1]="Gopalan arcade.4th flore,1st Main,Kasturi Nagar,Bangalore,KA";
        arselected[2]="Sri Mobiles,No 2,24th Main,JP Nagar 1st Phase,Bangalore,KA";
        arselected[3]="#33,RK Mutt Road,Ulsoor,Bangalore 560008,KA";
        arselected[4]="Minnu Tour & Travels No 74,Nagavarapalya,CV Raman Nagar,Bangalore,KA";
        arselected[5]="Fazal Technologies,No 89,Fazal Manor,Richmond Road,Bangalore,KA";
        arselected[6]="Neon Electronics,No 335/,Gokul Complex,Sampige Road,Malleshwaram,Bangalore,KA";
        arselected[7]="Canadian International School Survey No.420,Yelahanka,Bangalore,KA";
        arselected[8]="485,6th 'D' Cross,Koramangala 6th Block,Bangalore,KA";
        arselected[9]="Salarpuria Infinity, 3rd Floor #5,Bannerghatta Road ,Bangalore-560029,KA";
        arselected[10]="BMTC,central offices,K.H.Road,Shanthi nagar,Bangalore-560027";
        arselected[11]="57-A, 21st K M, Hosur Road, Bommasandra Industrial Area,Bangalore,KA";
        arselected[12]="63/8.Maruthi Layout,Near Rajaram Factory,2nd Phase,Peenya Industrial Area,Bangalore,KA";
        arselected[13]="Plot 1&2, KIADB Industrial area, Attibele,Bangalore,KA";
        arselected[14]="Apt 203, Scion Enclave, Govindappa Lane, Off 80 ft rd,Indira nagar,Bangalore,KA";

        var address=new Array();
        var exact_address=new Array();
        var exact=new Array();
        var j;
        var count=0;
        var marker=new Array();
        var exact_add=new Array();
        var xmlfl="<markers>";
        var s=0;
        var km=0;
        var url="'http://www.google.com','google','width=400,height=400'";
        for (var i = 0; i < arselected.length; i++)
          {
            address[i]= arselected[i];
            var len=address[i].split(',').length;
            exact=address[i].split(',');
            for(var k=0;k<3;k++)
            {
               exact_add[k]=exact[parseInt(len)-(parseInt(k)+1)];
            }

            exact_add.reverse();
            exact_address[i]=exact_add;
            s=i+1;
                xmlfl+="<marker address=\""+exact_address[i]+"\">";
                xmlfl+="<AlphaCharacter>"+s+"</AlphaCharacter></marker>";
            }
            xmlfl+="</markers>";
            document.getElementById("sample").innerHTML="";
            document.getElementById("sample").innerHTML=xmlfl;
            markers =document.getElementById("sample").getElementsByTagName("marker");
            for (var i = 0; i < exact_address.length; i++)
            {
                  markeraddress = markers[i].getAttribute("address");
                geocoder.getLocations(markeraddress,addToMap);
                document.getElementById("loop").value=i;
            }

        function addToMap(response)
                     {

                             place = response.Placemark[0];
                             point = new GLatLng(place.Point.coordinates[1],place.Point.coordinates[0]);
                            latlonarr[km]=point;
                            km++;
                            sendpoint(point);
                   }
                function sendpoint(point)
                {
                           var numberedIcon = new GIcon(G_DEFAULT_ICON)
                            var ar=address[loopcount];
                            map.setCenter(point, 13);
                             numberedIcon.image = "http://www.geocodezip.com/mapIcons/marker.png"
                            var k=document.getElementById("loop").value;
                             markerOptions = { icon:numberedIcon, clickable:true,title:ar,position:loopcount}
                             mapopt= { icon:numberedIcon, clickable:true,title:ar,position:loopcount};
                             marker= new GMarker(point,mapopt);
                            map.addOverlay(marker);
                            loopcount++;
            }
            GEvent.addListener(map,"click",function(marker,markerOptions,ar)
                                           {
                                                   var html="";
                                                   var ra="";
                                                   var sowji=0;
                                                for(var siri=0;siri<15;siri++)
                                                {
                                                   if(latlonarr[siri]==ar)
                                                   {
                                                      sowji=siri;
                                                      ra=address[siri-1];
                                                    }
                                                }

                                                 html=ra+"<br><img src=\"im/css.jpg\" height=\"160px\" width=\"240px\"/>For More Information <a href=javascript:popupwin("+url+")><b>click<b></a>";
                                                marker.openInfoWindowHtml(html,{maxWidth:200},markerOptions);
                                          });
            }

    function popupwin(url)
    {
        newwindow=window.open(url);
        if (window.focus) {newwindow.focus();}
    }
    </script>

</head>
<body onLoad="load()">

<input type="hidden" name="loop" id="loop">
<div id="map"></div>

<div id="sample" style="display=none"></div>

<div id=addr123 style="display:block">
1.Kalyan Meher Kotay, 15/15,25th Cross,JayaNagar 6th Main Rd,BANGALORE,KA;<br>
2.Gopalan arcade.4th flore,1st Main,Kasturi Nagar,Bangalore,KA;<br>


</div>

</body>
</html>

Sending JSON object to Java and processing

2010-10-04T02:05:00.000-07:00

In java script :
function adjustments()
{
    //validation
    var st1="";
    var st2="";
    var gridsData;
    var mygridOne=new Array();
    var mygridTwo=new Array();
    var mygrid1Arry=null;
    var mygrid2Arry=null;

       if(document.getElementById("adjNature").value!='FIFO')
        {
     mygrid1Arry=mygrid1.getSelectedRecords();
     mygrid2Arry=mygrid2.getSelectedRecords();
        }
        else
            {

                mygrid1Arry=Sigma.Grid.getAllRows(mygrid1);
                mygrid2Arry=Sigma.Grid.getAllRows(mygrid2);
                }

       if(mygrid1Arry.length>0 && mygrid2Arry.length>0)
    {

         if(beforeAdjustvalidate())
        {
        for(var i=0;i
        {
            var docType1= mygrid1Arry[i].doctype;
            if(docType1==undefined) { docType1=mygrid1.getColumnValue('doctype', i);}
            var docNum1= mygrid1Arry[i].docno;
              if(docNum1==undefined) { docNum1=mygrid1.getColumnValue('docno', i);}
            var docDate1= mygrid1Arry[i].docdate;
             if(docDate1==undefined) { docDate1=mygrid1.getColumnValue('docdate', i);}
            var docAmount1= mygrid1Arry[i].docamt;
             if(docAmount1==undefined) { docAmount1=mygrid1.getColumnValue('docamt', i);}
               var amtAdjusted1= mygrid1Arry[i].amtadjusted;
             if(amtAdjusted1==undefined) { amtAdjusted1=mygrid1.getColumnValue('amtadjusted', i);}
            var balance1= mygrid1Arry[i].balance;
             if(balance1==undefined) { balance1=mygrid1.getColumnValue('balance', i);}
            var currentAdjustment1= mygrid1Arry[i].curradj;
             if(currentAdjustment1==undefined) { currentAdjustment1=mygrid1.getColumnValue('curradj', i);}
            if(i==(mygrid1Arry.length-1))
            {
                st1+="{docType:'"+docType1+"',docNum:'"+docNum1+"',docDate:'"+docDate1+"',docAmount:'"+docAmount1+"',amtAdjusted:'"+amtAdjusted1+"',balance:'"+balance1+"',currentAdjustment:'"+currentAdjustment1+"'}";

            }else
                st1+="{docType:'"+docType1+"',docNum:'"+docNum1+"',docDate:'"+docDate1+"',docAmount:'"+docAmount1+"',amtAdjusted:'"+amtAdjusted1+"',balance:'"+balance1+"',currentAdjustment:'"+currentAdjustment1+"'},";
        }
        for(var j=0;j
        {
            var docType2= mygrid2Arry[j].doctype;
             if(docType2==undefined) { docType2=mygrid2.getColumnValue('doctype', j);}
            var docNum2= mygrid2Arry[j].docno;
             if(docNum2==undefined) { docNum2=mygrid2.getColumnValue('docno', j);}
            var docDate2= mygrid2Arry[j].docdate;
             if(docDate2==undefined) { docDate2=mygrid2.getColumnValue('docdate', j);}
            var docAmount2= mygrid2Arry[j].docamt;
             if(docAmount2==undefined) { docAmount2=mygrid2.getColumnValue('docamt', j);}
            var amtAdjusted2= mygrid2Arry[j].amtadjusted;
             if(amtAdjusted2==undefined) { amtAdjusted2=mygrid2.getColumnValue('amtadjusted', j);}
            var balance2= mygrid2Arry[j].balance;
             if(balance2==undefined) { balance2=mygrid2.getColumnValue('balance', j);}
            var currentAdjustment2= mygrid2Arry[j].curradj;
             if(currentAdjustment2==undefined) { currentAdjustment2=mygrid2.getColumnValue('curradj', j);}

            if(j==(mygrid2Arry.length-1))
            { //alert("docType2-----"+docType2+"---");
                st2+="{docType:'"+docType2+"',docNum:'"+docNum2+"',docDate:'"+docDate2+"',docAmount:'"+docAmount2+"',amtAdjusted:'"+amtAdjusted2+"',balance:'"+balance2+"',currentAdjustment:'"+currentAdjustment2+"'}";
            }
            else
                st2+="{docType:'"+docType2+"',docNum:'"+docNum2+"',docDate:'"+docDate2+"',docAmount:'"+docAmount2+"',amtAdjusted:'"+amtAdjusted2+"',balance:'"+balance2+"',currentAdjustment:'"+currentAdjustment2+"'},";
        }

        st1="["+st1+"],";
        st2="["+st2+"]";
        gridsData='{"grid1-dr":'+ st1;
        gridsData+='"grid2-cr":'+ st2+'}';

        var toServer=gridsData;

        /* code started sending JSON Object to server */
        xmlhttp = false;
        if (window.XMLHttpRequest) {// code for Firefox, Opera, IE7, etc.
            xmlhttp=new XMLHttpRequest();
        } else if (window.ActiveXObject) {// code for IE6, IE5
            xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
        if (xmlhttp!=null) {
            url=appsPath+"/finance/adjustCrDrdocs?adjNature="+encodeURIComponent(document.getElementById("adjNature").value);
            xmlhttp.onreadystatechange= function () {
                getAdjDetailsCallback(xmlhttp);
            };
            xmlhttp.open("POST", url, true);
            xmlhttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
            xmlhttp.send(toServer);

        } else {
            alert("Your browser does not support XMLHTTP.");
        }

        }
    /* code ended sending JSON Object to server */

    }


    else
    {
        alert("Please select corresponding Cr/Dr documents");
        return false;
    }

}

function getAdjDetailsCallback()
{
    if (xmlhttp.readyState == 4)
    { // Complete
        alert(xmlhttp.responseText);
     var message=xmlhttp.responseXML;
      var recordlength=message.getElementsByTagName("grid").length;
      var docsArray=new Array();
      var amtAdjustedArray=new Array();
              var amtadjusted1=0;
      for(var i=0;i
          {
             var amtadjusted="";
              var record=message.getElementsByTagName("grid");
              var docnum=record[i].getElementsByTagName("docnum")[0].childNodes[0].nodeValue;
              amtadjusted=record[i].getElementsByTagName("amtadjusted")[0].childNodes[0].nodeValue;
              var balance=record[i].getElementsByTagName("balance")[0].childNodes[0].nodeValue;


                      var index;
                            var totaldrRecords = Sigma.Grid.getAllRows(mygrid1).size();
                           for(var t=0;t
                               {
                                  var docNumDr= mygrid1.getColumnValue("docno",t);
                                  if(docnum==docNumDr)
                                      {
                                        index=t;
                                         mygrid1.setColumnValue("amtadjusted", index,amtadjusted);
                                         mygrid1.setColumnValue("balance", index,balance);
                                        mygrid1.refresh();

                                      }
                               }



                           var index1;
                          var totalcrRecords = Sigma.Grid.getAllRows(mygrid2).size();
                           for(var t1=0;t1
                               {
                                  var docNumDr= mygrid2.getColumnValue("docno",t1);
                                  if(docnum==docNumDr)
                                      {
                                        index1=t1;
                                       mygrid2.setColumnValue("amtadjusted", index1,amtadjusted);
                               mygrid2.setColumnValue("balance", index1,balance);
                               mygrid2.refresh();
                                      }
                               }
     }

    }
}

In Java :

public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {

        System.out.println("-----------------in AdjustmentAction--execute");
        String gridsData = readJSON(request);
        String adjNature = request.getParameter("adjNature") != null ? request.getParameter("adjNature") : "";
        System.out.println("adjNature---------"+adjNature);
        //Use the JSON-Java binding library to create a JSON object in Java
        JSONObject jsonObject = null;
        StringBuffer sb = new StringBuffer();
        response.setContentType("text/xml");
        JSONArray gridOneArray;
        JSONArray gridOneTwo;
        try {
            jsonObject = new JSONObject(gridsData);
            System.out.println("jsonObject-----" + jsonObject);

            System.out.println("grid1------" + jsonObject.get("grid1-dr"));
            System.out.println("grid2------" + jsonObject.get("grid2-cr"));
            System.out.println("grid1-getJSONArray-----" + jsonObject.getJSONArray("grid1-dr"));
            System.out.println("grid2--getJSONArray----" + jsonObject.getJSONArray("grid2-cr"));
            gridOneArray = jsonObject.getJSONArray("grid1-dr");
            gridOneTwo = jsonObject.getJSONArray("grid2-cr");

            sb.append("<message>");
            sb.append("<grids>");
            for (int i = 0; i < gridOneArray.length(); i++) {
                System.out.println("outer for loop 1");
                JSONObject record1 = (JSONObject) gridOneArray.get(i);
                String docType1 = record1.getString("docType");
                Double balance1 = record1.getDouble("balance");
                Double currentAdjustment1;
                try{
                     currentAdjustment1= record1.getDouble("currentAdjustment");
                }catch(Exception e){ currentAdjustment1=0.0d;}
                Double docAmount1 = record1.getDouble("docAmount");
                Double amtAdjusted1 = record1.getDouble("amtAdjusted");
                String docDate1 = record1.getString("docDate");
                String docNum1 = record1.getString("docNum");
                System.out.println("outer for loop 2");

                for (int j = 0; j < gridOneTwo.length(); j++) {
                    JSONObject record2 = (JSONObject) gridOneTwo.get(j);
                    String docType2 = record2.getString("docType");
                    Double balance2 = record2.getDouble("balance");
                  Double currentAdjustment2;
                try{
                     currentAdjustment2= record2.getDouble("currentAdjustment");
                }catch(Exception e){ currentAdjustment2=0.0d;}
                    Double docAmount2 = record2.getDouble("docAmount");
                    Double amtAdjusted2 = record2.getDouble("amtAdjusted");
                    String docDate2 = record2.getString("docDate");
                    String docNum2 = record2.getString("docNum");
                    System.out.println("inner for loop");
                    /*
                     * Respose XML
                    <message><grids>
                    <grid><docnum>CR0000081</docnum><amtadjusted>9000.0</amtadjusted><balance>3000.0</balance><adjustedDoc>CI0000061</adjustedDoc></grid>
                    <grid><docnum>CI0000061</docnum><amtadjusted>19000.0</amtadjusted><balance>0.0</balance></grid>
                    <grid><docnum>CR0000051</docnum><amtadjusted>10000.0</amtadjusted><balance>10000.0</balance><adjustedDoc>CI0000061</adjustedDoc></grid>
                    </grids></message>
                     *
                     */
                    //business logic for manual adjustment starts here
                    if (adjNature != null && adjNature.equals("manual")) {
                        if (currentAdjustment1 <= currentAdjustment2) {    // Step 1 : deduct currentadj1 in balance2,then if balance1=0 then close the status of doctype1
                            //Step 2 : if balance1!=0,then go to next credit document

                            //Step 1 execution starts here
                            System.out.println("if currentAdjustment1<=balance2--strats");
                            balance2 = balance2 - currentAdjustment2;
                            amtAdjusted2 = amtAdjusted2 + currentAdjustment2;
                            amtAdjusted1 += currentAdjustment1;
                            balance1 = balance1 - currentAdjustment1;
                            sb.append("<grid>");
                            sb.append("<docnum>" + docNum1 + "</docnum>");
                            sb.append("<amtadjusted>" + amtAdjusted1 + "</amtadjusted>");
                            sb.append("<balance>" + balance1 + "</balance>");
                            sb.append("</grid>");
                            sb.append("<grid>");
                            sb.append("<docnum>" + docNum2 + "</docnum>");
                            sb.append("<amtadjusted>" + amtAdjusted2 + "</amtadjusted>");
                            sb.append("<balance>" + balance2 + "</balance>");
                            sb.append("<adjustedDoc>" + docNum1 + "</adjustedDoc>");
                            sb.append("</grid>");
                            System.out.println("if currentAdjustment1<=balance2--ends");
                        } else if (currentAdjustment1 > currentAdjustment2) {
                            //Step 1 : deduct balance2 in currentAdjustment1 then if balance2=0, then close doctype2
                            System.out.println("if currentAdjustment1>balance2--strats");
                            amtAdjusted2 = amtAdjusted2 + currentAdjustment2;
                            amtAdjusted1 += currentAdjustment2;
                            currentAdjustment1 = currentAdjustment1 - currentAdjustment2;
                            System.out.println("currentAdjustment1-2--" + currentAdjustment1);
                            balance1 = balance1 - currentAdjustment2;
                            balance2 = balance2 - currentAdjustment2;
                            sb.append("<grid>");
                            sb.append("<docnum>" + docNum2 + "</docnum>");
                            sb.append("<amtadjusted>" + amtAdjusted2 + "</amtadjusted>");
                            sb.append("<balance>" + balance2 + "</balance>");
                            sb.append("<adjustedDoc>" + docNum1 + "</adjustedDoc>");
                            sb.append("</grid>");
                            System.out.println("if currentAdjustment1>balance2--ends");

                        }
                    // manual end

                    }// END MANUAL IF
                    // FIFO STARTS
                    else if (adjNature != null && adjNature.equals("FIFO")) {
                      if(balance1<=balance2)
                        {    // Step 1 : deduct balance1 in balance2,then if balance1=0 then close the status of doctype1
                        //Step 2 : if balance1!=0,then go to next credit document

                        //Step 1 execution starts here
                        System.out.println("if balance1<=balance2--strats");
                        balance2=balance2-balance1;
                        amtAdjusted2=amtAdjusted2+balance1;
                        amtAdjusted1+=balance1;
                        balance1=balance1-balance1;
                        sb.append("<grid>");
                        sb.append("<docnum>"+docNum1+"</docnum>");
                        sb.append("<amtadjusted>"+amtAdjusted1+"</amtadjusted>");
                        sb.append("<balance>"+balance1+"</balance>");
                        sb.append("</grid>");

                        sb.append("<grid>");
                        sb.append("<docnum>"+docNum2+"</docnum>");
                        sb.append("<amtadjusted>"+amtAdjusted2+"</amtadjusted>");
                        sb.append("<balance>"+balance2+"</balance>");
                        sb.append("<adjustedDoc>"+docNum1+"</adjustedDoc>");
                        sb.append("</grid>");
                        System.out.println("if currentAdjustment1<=balance2--ends");
                        }
                        else if(balance1>balance2)
                        {
                        //Step 1 : deduct balance2 in currentAdjustment1 then if balance2=0, then close doctype2
                        System.out.println("if currentAdjustment1>balance2--strats");
                        amtAdjusted2=amtAdjusted2+balance2;
                        amtAdjusted1+=balance2;
                        currentAdjustment1=currentAdjustment1-balance2;
                        System.out.println("currentAdjustment1-2--"+currentAdjustment1);
                        balance1=balance1-balance2;
                        balance2=balance2-balance2;
                         sb.append("<grid>");
                        sb.append("<docnum>"+docNum1+"</docnum>");
                        sb.append("<amtadjusted>"+amtAdjusted1+"</amtadjusted>");
                        sb.append("<balance>"+balance1+"</balance>");
                        sb.append("</grid>");
                        sb.append("<grid>");
                        sb.append("<docnum>"+docNum2+"</docnum>");
                        sb.append("<amtadjusted>"+amtAdjusted2+"</amtadjusted>");
                        sb.append("<balance>"+balance2+"</balance>");
                        sb.append("<adjustedDoc>"+docNum1+"</adjustedDoc>");
                        sb.append("</grid>");
                        System.out.println("if currentAdjustment1>balance2--ends");

                        }

                    } //FIFO end

                } //inner for loop

            } //outer for loop
            sb.append("</grids>");
            sb.append("</message>");
        } //try
        catch (Exception pe) {
            pe.printStackTrace();
        }

        System.out.println("sb.toString()-----" + sb.toString());
        response.getWriter().write(sb.toString());
        return null;

    }

    private String readJSON(HttpServletRequest request) {
        StringBuffer json = new StringBuffer();
        String line = null;
        try {
            BufferedReader reader = request.getReader();
            while ((line = reader.readLine()) != null) {
                json.append(line);
            }
        } catch (Exception e) {
            System.out.println("Error reading JSON String: " + e.toString());
        }
        return json.toString();
    }

Quartz Scheduler example in Java using Spring

2010-05-30T23:05:00.000-07:00

Requirement: Run a task (process) without user intervention at customized regular intervals of time and perform service to your application.

Solution: Quartz Scheduler has this feature of scheduling jobs at specified intervals of time mentioning from seconds to years called cron expression.

In spring framework scheduling package we have this Quartz included, so just download the jar spring-context-support.jar into your application.
Now we need to identify and configure the Class and the method that needs to be triggered at regular intervals with the cron expression.

Let us move forward with a requirement scenario, say you have an application which brings all the stocks details from another service provider and you want to get those details every afternoon at 2:30 pm.

Say you already have the functionality with the help of a class StocksScheduler.class which extends ContextLoaderPlugIn in spring-webmvc-struts.jar, we have to extend ContextLoaderPlugIn because we want the scheduler to start working on my application start.

Step 1: Define your bean (Class) in which your task is implemented that you want to perform

Step 2: Define the method which has the functionality that you have implemented in the targetMethod property and your class in targetObject property

</bean>

Step 3: Define the cron expression, i.e. the interval that you want your getDailyStocks to run and save in your application, the jobDetail and the cropnExpression

</bean>

Step 4: The scheduling.stocksCronExpression is a property in the property file scheduling.properties file which is defined in your app-context.xml as below

<bean id="propertyConfigurer"

class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">

<list>

<value>scheduling.properties</value>

</list>

</property>

</bean>

Step 5: Scheduling.properties file will contain this property scheduling.stocksCronExpression as follows. The cron expression has to be changed according your required interval. The following cron expression will make the stocksScheduler run every day at 2:30 pm.

scheduling.stocksCronExpression = 0 30 14 ? * *

Step 6: We have to include this following plugin into the struts-config.xml file for making our scheduler when the context is loaded.

<plug-in className="com.app.stocks.StocksLoader" >

<set-property property="contextConfigLocation" value="/WEB-INF/app-context.xml"/>

</plug-in>

page break when printing

2010-04-16T03:23:00.000-07:00

Page breaks between the content. I have so many vouchers to print. I need one voucher in one page with page break. I have developed like, i have placed the content in a div which has height and width as A4 size.

"<div style='height:900px;border:0px solid #000000'> " .So i got vocuhers as page wise

My code is

function getdataforprinting(val){


        xmlhttp = false;
        if (window.XMLHttpRequest) {// code for Firefox, Opera, IE7, etc.
            xmlhttp=new XMLHttpRequest();
        } else if (window.ActiveXObject) {// code for IE6, IE5
            xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
        }
        /* ========== AJAX Initializtion ========== */

        if (xmlhttp!=null) {
            url="/getdataforedit"+"?ion="+ion;

            xmlhttp.onreadystatechange= function () { getprint(xmlhttp); };
            xmlhttp.open("POST", url, true);
            xmlhttp.setRequestHeader("Cache-Control","no-cache, private, max-age=0");
            xmlhttp.send(null);

        } else {
            alert("Your browser does not support XMLHTTP.");
        }
    }

    function getprint(httpRequest1)
    {

        if(httpRequest1.readyState==4)
        {

            if(httpRequest1.status==200)
            {

                var rest="";
                var result = httpRequest1.responseXML;
               var suplength=result.getElementsByTagName("supplier").length;
               if(suplength>0)
                   {
                       var msg=result.getElementsByTagName("supplier");
                       for(var t=0;t<suplength;t++)
                           {
                              var suppname=result.getElementsByTagName("suppname")[t].childNodes[0].nodeValue;
                              var billdate=result.getElementsByTagName("billdate")[t].childNodes[0].nodeValue;
                              var paymode=result.getElementsByTagName("paymode")[t].childNodes[0].nodeValue;
                               var ionno=result.getElementsByTagName("ionno")[t].childNodes[0].nodeValue;
                               var bbrcode=result.getElementsByTagName("bbrcode")[t].childNodes[0].nodeValue;
                                var instno=result.getElementsByTagName("instno")[t].childNodes[0].nodeValue;
                                  var instdate=result.getElementsByTagName("instdate")[t].childNodes[0].nodeValue;
                                var billno=result.getElementsByTagName("billno")[t].childNodes[0].nodeValue;
                                 var billamount=result.getElementsByTagName("billamount")[t].childNodes[0].nodeValue;
                                  var amount=result.getElementsByTagName("payamt")[t].childNodes[0].nodeValue;
                                  var suppid=result.getElementsByTagName("suppid")[t].childNodes[0].nodeValue;

                      rest+="<div style='height:900px;border:0px solid #000000'>";

   rest+="<table cellpadding=\"0\" cellspacing=\"0\" border=\"0\" width=\"60%\"><tr>";
rest+="<td class=\"text_bg\">Inter Office Document Number</td>";
   rest+="<td class=\"text_bg\">"+ionno+"</td>";
   rest+="</tr><tr><td class=\"text_bg\">Supplier payment voucher number</td>";
   rest+="<td class=\"text_bg\">"+suppid+"</td></tr>";
   rest+="<tr><td class=\"text_bg\">Supplier name</td>";
   rest+="<td class=\"text_bg\">"+suppname+"</td></tr><tr><td class=\"text_bg\">Supplier Bill date</td>";
   rest+="<td class=\"text_bg\">"+billdate+"</td></tr><tr><td class=\"text_bg\">Supplier Bill amount</td>";
   rest+="<td class=\"text_bg\">"+billamount+"</td></tr><tr><td class=\"text_bg\">Pay mode</td><td class=\"text_bg\">"+paymode+"</td>";

      rest+="</tr><tr><td class=\"text_bg\">Bank Name</td><td class=\"text_bg\">bnk</td></tr><tr>";
   rest+="<td class=\"text_bg\">Branch</td><td class=\"text_bg\">br</td></tr><tr>";
       rest+="<td class=\"text_bg\">Instrument Number</td>";
      rest+="<td class=\"text_bg\">"+instno+"</td></tr><tr><td class=\"text_bg\">Instrument Date</td>";
      rest+="<td class=\"text_bg\">"+instdate+"</td></tr> </table>";
   rest+="</div>";

                           }   //for close

    var disp_setting="toolbar=yes,location=no,directories=yes,menubar=yes,";
   disp_setting+="scrollbars=yes,width=650, height=600, left=100, top=25";

   var docprint= window.open("", "", disp_setting);
   docprint.document.open();
   docprint.document.write('<html>');
   docprint.document.write('<body onLoad="self.print()"><center>');

   docprint.document.write(rest);
   docprint.document.write('</center></body></html>');
   docprint.document.close();
   docprint.focus();
                }
        }

    }}