javadroids

Sony NEX 3N My first photo.

2014-01-10T11:59:00.000+07:00

พอดีว่าช่วงนี้ ผมอยากเก็บภาพความทรงจำ ดีๆ ในช่วงเวลาของชีวิต
ทุกวันนี้เก็บโดย Oppo find piano T_T ซึ่งภาพก้อออกมาสวยอลังการมาก เพราะถ่ายออกมาแล้วเบลอๆไปหมด ภาพเลยออกมาดูสวย >< แหะๆล้อเล่นนะ ทำให้ผมอยากมีกล้องดีๆ ไว้ถ่ายรูปซักตัวนึง ก็เลยมานั่งดูกล้องนั่งเปิดเน็ตดู ก็มีบางอย่างที่ทำให้ผมแปลกใจ เห้ย!! นอกจากกล้อง Compact กล้อง DSLR
แล้วเนี่ยมันยังมีกล้องอีกแบบนึงที่เรียกว่ากล้อง "Mirrorless" มันก็คือกล้องระหว่าง Compact กับ กล้อง DLSR นั่นเอง ซึ่งผมก็ได้รู้มาว่า ช่องว่างการตลาดช่วงนี้ ไม่มี ผลิตภัณฑ์ที่ตอบสนองความต้องการของคนที่อยากได้กล้องถ่ายรูปสวยๆ คุณภาพดี แต่ก็ไม่ต้องเป็นมือโปรมาก แบบว่าอยากได้ที่เราสามารถเปิดกล้องขึ้นมาถ่ายรูปได้เลย ไม่ต้องมานั่ง เซ็ทค่า F, ISO, Shutter Speed, ค่าแสง, ระยะโฟกัส บลาๆๆๆ ซึ่งทำให้ตลาดตรงนี้ในช่วงหลายปีมาแข่งขันกันดุเดือดมาก ถ้าจะบอกว่ากล้อง Mirrorless เป็นอย่างไร ก็ต้องบอกว่าระบบหลักๆ "เหมือนกล้องคอมแพคตัวเล็กๆธรรมดาๆ แต่เปลี่ยนเลนส์ได้" นั่นเอง บางคนก็บอกว่ามันคือกล้อง Compact เปลี่ยน Lens ได้ ข้อดีของมันที่สัมผัสได้คือ กล้องตัวเล็กน้ำหนักเบา สามารถพกไปไหนมาไหนได้สะดวก คุณภาพการถ่ายภาพก็พอๆกับ DSLR แถมมี Lens ให้เลือกมาก ตรงนี้ต้องบอกว่าคือข้อเสียก็ว่าได้ทำให้ งบบานปลาย T_T กับ Lens ได้
- นี่คือภาพหน้าตาของ Sony NEX 3N

เท่าที่เห็นจะสังเกตได้ว่า กล้องจะตัวเล็กมาก ที่ชอบมากอีกอย่างนึงก็คือจอจะพับได้สามารถถ่ายภาพหน้าตัวเองได้ นี่แหล่ะที่ต้องการของสาวๆสมัยนี้ ฮ๊่ๆ

Example Servlet

2013-08-18T20:37:00.001+07:00

Java Servlet Example

http://localhost:8080/yourwebsiteHelloForm?first_name

การสร้างโปรเจคใน Tomcat จะใช้รูปแบบโครงสร้างตามนี้

path "To tomcat folder -> apache-tomcat-x.x/webapps/yourwebsite"

ภายใน WEB-INF

1. classes ที่อยู่ของ class file java

2. lib ที่ใช้งาน

3. web.xml ไฟล์ config ของ servlet

ด้านล่างนี้เป็น class com.example.HelloServlet สำหรับรับค่า Input จาก Browser

โดยใช้ getParameter() ในการรับค่า

package com.example;

// Import required java libraries
import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

// Extend HttpServlet class
public class HelloServlet extends HttpServlet {

 // Method to handle GET method request.
 public void doGet(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {
  // Set response content type
  response.setContentType("text/html");

  PrintWriter out = response.getWriter();
  String title = "Using GET Method to Read Form Data";
  String docType = "<!doctype html public \"-//w3c//dtd html 4.0 "
    + "transitional//en\">\n";
  out.println(docType + "<html>\n" + "<head><title>" + title
    + "</title></head>\n" + "<body bgcolor=\"#f0f0f0\">\n"
    + "<h1 align=\"center\">" + title + "</h1>\n" + "<ul>\n"
    + "  <li><b>First Name</b>: "
    + request.getParameter("first_name") + "\n"
    + "  <li><b>Last Name</b>: "
    + request.getParameter("last_name") + "\n" + "</ul>\n"
    + "</body></html>");
 }

 public void doPost(HttpServletRequest request, HttpServletResponse response)
   throws ServletException, IOException {
  doGet(request, response);
 }
}

ไฟล์ web.xml

ใช้สำหรับ การอ้าง class ที่เราจะทำการ Mapping กับ Url

  <servlet>
       <servlet-name>HelloServlet</servlet-name>
       <servlet-class>com.example.HelloServlet</servlet-class>
  </servlet>
  <servlet-mapping>
       <servlet-name>HelloServlet</servlet-name>
       <url-pattern>/HelloServlet</url-pattern>
  </servlet-mapping>

hello.jsp หน้าเว็บ Html ใช้ Get Method ในการ เรียก

<html> <body>
<form action="HelloServlet" method="GET">
First Name: <input type="text" name="first_name"> <br />
Last Name: <input type="text" name="last_name" />
<input type="submit" value="Submit" />
</form>
</body></html>

Java Read File

2013-04-03T09:34:00.002+07:00

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
 
public class ReadFiles {
    public static void main(String[] args) throws IOException {
        ReadFiles re = new ReadFiles();
        long a = System.currentTimeMillis();
        System.out.println("Start");
        for (int i = 0; i < 10000; i++) {
            String data = re.readFileChannel("test.txt");     
        }
        System.out.println("Finish "+(System.currentTimeMillis()-a)+" Millsec");
    }
    public String readFile(String fileName) throws IOException {
           File f = new File(fileName);
           FileInputStream fstream = new FileInputStream(f);
           byte[] bytes = new byte[(int) f.length()];
           fstream.read(bytes);
           fstream.close();
           return new String(bytes);
        }
    public String readFileBuffer(String fileName) throws IOException{
        FileInputStream in = new FileInputStream(new File(fileName));
        BufferedReader re = new BufferedReader(new InputStreamReader(in));
        String line = "";
        StringBuffer buf = new StringBuffer();
        while((line=re.readLine())!=null){
            buf.append(line+"\n");
        }
        return buf.toString();
    }
    public String readFileChannel(String file) throws IOException {
           FileChannel channel = new FileInputStream(new File(file)).getChannel();
           ByteBuffer buffer = ByteBuffer.allocate((int) channel.size());
           channel.read(buffer);
           channel.close();
           return new String(buffer.array());
        }
}

นโยบายการใช้ Thai IT News

2013-01-09T07:49:00.000+07:00

นโยบายการใช้ Thai IT News 1. ใช้งานฟรีไม่มีค่าโฆษณา 2. ข้อมูลที่ได้มาจากกาน Feed ในแบบ RSS 3. ขอให้มีความสุขในการอ่าน

Install tomcat on window

2012-06-26T18:22:00.001+07:00

Install tomcat server for use war file Generate by Java

1. Download Tomcat 6 http://tomcat.apache.org/download-60.cgi
and extract zip file to drive C:\Program Files

2. Download Java JDK (Java SE 6 Update 33) http://www.oracle.com/technetwork/java/javase/downloads/index.html
and install set JAVA_HOME by path of JDK "C:/Program Files/java/jdk/" not JRE

3. After install Java use "cmd" go to "~/tomcat/bin" and "service.bat install" in "cmd"
Go to Control Panel Adminstrator Tools -> Service and Start "Apache Tomcat Server" open http://localhost:8080 or http://127.0.0.1:8080 Work!!
but don't open try to close Window Firewall

4. Copy war file "yourservice.war" to C:\Program Files\apache-tomcat-6\webapps and url:http://localhost:8080/yourservice

SET Encoding for Tomcat Window

Try setting the (Windows) environment

variable JAVA_TOOL_OPTIONS to -Dfile.encoding=UTF-8and

start the Tomcat Server.

Play Framework ทำเว็บด้วย Java กัน

2012-06-18T17:24:00.002+07:00

Download file play framework จาก http://www.playframework.org/ แตก zip ไฟล์ที่ได้ไว้ใน Directory นึง
Set Envoirment path โดยใส่ path ของ Directory Play framework ที่เรา แตก zip ไว้ restart เครื่อง
สร้าง Application โดยทำการเปิดหน้าต่าง command line หรือ cmd นั่นเอง พิมพ์
"play new ชื่อProject " เมื่อพิมพ์เสร็จแล้วก็จะได้ Folder ที่ข้างในจะมี ส่วนของการทำงานต่างๆโดยจะแบ่งเป็น Folder ดังนี้

1.   "app/" contains the application’s core, split between models, controllers and views directories. This is the directory where .java source files live.

2.   "conf/" contains all the application’s configuration files, especially the main appliation.conffile, the routes definition files and the messages files used for internationalization.

3.   "project/" contains the build scripts. The build system is based on sbt. But a new play application comes with a default build script that will just works fine for our application.

4.   "public/" contains all the publicly available resources, which includes JavaScript, stylesheets and images directories.

5.   "test/" contains all the application tests. Tests can be written as JUnit tests.
เข้าไปใน Folder Project เราพิมพ์ "play" จะขึ้นชื่อ Project มาต่อไปพิมพ์ "run" รอสักพัก ก็จะขึ้นแบบนี้

ภาพจาก http://www.playframework.org/documentation/2.0.1/JavaTodoList

ทำการเข้าเมื่อโปรแกรม run เสร็จแล้วที่ http://localhost:9000/

วันนี้เท่านี้ก่อนนะครับวันหลังจะมาต่อเรื่องการใช้ play ร่วมกับ IDE Eclipse

ที่มา http://www.playframework.org/

Java How To ...: Java Dynamic Proxy Example

2012-02-24T10:53:00.000+07:00

Java How To ...: Java Dynamic Proxy Example: g.Object are all final, and are not routed to the InvocationHandler by JVM. These methods are:
?
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public final native Class getClass();
public final native void notify();
public final native void notifyAll();
public final native void wait(long timeout) throws InterruptedException;
public final void wait(long timeout, int nanos) throws InterruptedException;
public final void wait() throws InterruptedException
The handler's invoke method should not invoke methods on the

2000 up

2012-01-20T11:47:00.003+07:00

Happy page view 2000 up ขอบคุณทุกๆท่านที่เข้ามาเยี่ยมชมเว็บของกระผมนะครับ ในวันตรุษจีนนี้ก็ขอให้ร่ำให้รวยมีสุขภาพแข็งแรงกันนะครับ

node

2012-01-18T23:49:00.001+07:00

java check value form Nodename,Attribute,Element by ArrayList

Java Dictionary

2012-01-17T14:15:00.001+07:00

Java Dictionary

http://www.4shared.com/zip/XspIrWD0/JavaDictionary2.html

My new blog in wordpress.

2011-12-03T21:46:00.000+07:00

http://javadroids.wordpress.com/

TestReadSummary

2011-10-19T17:55:00.002+07:00

package ball.summary;

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.RandomAccessFile;
import java.util.ArrayList;
import java.util.Arrays;

import javax.swing.JOptionPane;

import org.apache.poi.hpsf.MarkUnsupportedException;
import org.apache.poi.hpsf.NoPropertySetStreamException;

public class ReadSummary {
final static String FILENAME = "2.pdf:\5SummaryInformation";

protected String fileName;

protected RandomAccessFile seeker;

public static void main(String[] args) throws IOException, NoPropertySetStreamException, MarkUnsupportedException {
// ReadSummary read = new ReadSummary();
// read.RandomRead(FILENAME);
// System.out.println("Offset is " + read.readOffset());
// System.out.println("Message is \"" + read.readMessage() + "\".");
BufferedReader buf = new BufferedReader(new InputStreamReader(new FileInputStream("2.pdf:\5SummaryInformation")));

// byte[] getByte = getBytesFromFile(new File("2.pdf:\5SummaryInformation"));
String str = "";
String a = "";
ArrayList<String> result = new ArrayList<String>();
ArrayList<String> resultByte = new ArrayList<String>();
while((a=buf.readLine()) != null){
str+=a;
}
String buffer = str;
String[] splitStringArray = buffer.split("P");

int offset = 0;
for(String s: splitStringArray) {
offset = buffer.indexOf(s);
System.out.println(">"+offset);
}
System.out.println(new String(str));
System.exit(0);
char[] ch = null;
if(!str.trim().equals("")){
ch = str.toCharArray();
StringBuffer bufByte = new StringBuffer();
String com = "0/0/30/0/0/0/";
String zero = "0/0/0/0/0/0/0/0/0/";
for (int i = 0; i < ch.length; i++) {
int numb = (byte)ch[i];
//System.out.println(numb+" = "+ch[i]);
bufByte.append(numb+"/");
String strbuf = bufByte.toString();
// if(ch[i]=='A')
// ch[i]='X';
resultByte.add(String.valueOf(ch[i]));
if(strbuf.indexOf(com)>=0){
//System.out.println("BUFFFF "+strbuf);
String allstrbuf = strbuf.substring(4,strbuf.indexOf(com)-1);
String[] splitstrbuf = allstrbuf.split("/");
byte[] byteArray = new byte[splitstrbuf.length];
for (int j = 0; j < splitstrbuf.length; j++) {
if(!splitstrbuf[j].equals(""))
byteArray[j] = (byte) Integer.parseInt(splitstrbuf[j]);
}
String byteresult = new String(byteArray).trim();
if(!byteresult.equals(""))
result.add(byteresult);
bufByte = new StringBuffer();
}
if(strbuf.indexOf(zero)>=0){
//System.out.println(strbuf);
String allstrbuf = strbuf.substring(0,strbuf.indexOf(zero));
//System.out.println(allstrbuf);
String[] splitstrbuf = allstrbuf.split("/");
byte[] byteArray = new byte[splitstrbuf.length];
for (int j = 0; j < splitstrbuf.length; j++) {
if(!splitstrbuf[j].equals(""))
byteArray[j] = (byte) Integer.parseInt(splitstrbuf[j]);
}
String byteresult = new String(byteArray).trim();
if(!byteresult.equals(""))
result.add(byteresult);
bufByte = new StringBuffer();
}
}
}
for (String arr : result) {
// System.out.println("Result "+arr);
}
String allResult = "";
for (String arr : resultByte) {
allResult+=arr;
}
OutputStreamWriter bw = new OutputStreamWriter(new FileOutputStream("ByteResult.txt", true));
bw.write(str);
bw.close();
System.out.println("Done");
}

/** Constructor: save filename, construct RandomAccessFile */
public void RandomRead(String fname) throws IOException {
fileName = fname;
seeker = new RandomAccessFile(fname, "r");
}

/** Read the Offset field, defined to be at location 0 in the file. */
public int readOffset() throws IOException {
seeker.seek(0); // move to very beginning
return seeker.readInt(); // and read the offset
}

/** Read the message at the given offset */
public String readMessage() throws IOException {
seeker.seek(readOffset()); // move to the offset
return seeker.readLine(); // and read the String
}
public static byte[] getBytesFromFile(File file) throws IOException {
InputStream is = new FileInputStream(file);

// Get the size of the file
long length = file.length();

// You cannot create an array using a long type.
// It needs to be an int type.
// Before converting to an int type, check
// to ensure that file is not larger than Integer.MAX_VALUE.
if (length > Integer.MAX_VALUE) {
// File is too large
}

// Create the byte array to hold the data
byte[] bytes = new byte[(int) length];

// Read in the bytes
int offset = 0;
int numRead = 0;
while (offset < bytes.length
&& (numRead = is.read(bytes, offset, bytes.length - offset)) >= 0) {
offset += numRead;
}

// Ensure all the bytes have been read in
if (offset < bytes.length) {
throw new IOException("Could not completely read file "
+ file.getName());
}

// Close the input stream and return bytes
is.close();
return bytes;
}

private static void copyfile(String srFile, String dtFile) {
try {
File f1 = new File(srFile);
File f2 = new File(dtFile);
InputStream in = new FileInputStream(f1);

// For Append the file.
// OutputStream out = new FileOutputStream(f2,true);

// For Overwrite the file.
OutputStream out = new FileOutputStream(f2);

byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
in.close();
out.close();
System.out.println("File copied.");
} catch (FileNotFoundException ex) {
System.out
.println(ex.getMessage() + " in the specified directory.");
System.exit(0);
} catch (IOException e) {
System.out.println(e.getMessage());
}
}
}

Java create xml and read

2011-09-29T14:35:00.000+07:00

Java create xml and read

package ball.Xml;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Comment;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Text;

public class CreateXml {
 private String output;
 public static void main(String[] args ) throws TransformerConfigurationException, IOException{
  new CreateXml();
 }
 public CreateXml() throws TransformerConfigurationException, IOException{
  System.out.println("Create Element");
  output = "output.xml";
  CreateElement();
  ReadXml();
 }
 private void CreateElement() {
  try {
            /////////////////////////////
            //Creating an empty XML Document
            //We need a Document
            DocumentBuilderFactory dbfac = DocumentBuilderFactory.newInstance();
            DocumentBuilder docBuilder = dbfac.newDocumentBuilder();
            Document doc = docBuilder.newDocument();

            ////////////////////////
            //Creating the XML tree

            //create the root element and add it to the document
            Element root = doc.createElement("root");
            doc.appendChild(root);

            //create a comment and put it in the root element
            Comment comment = doc.createComment("Just a thought");
            root.appendChild(comment);

            //create child element, add an attribute, and add to root
            Element child = doc.createElement("child");
            root = addAttribute(root,child,"a","b");
            root = addAttribute(root,child,"x","a");
            root = addAttribute(root,child,"x","a");

            //add a text element to the child
            Text text = doc.createTextNode("Filler, ... I could have had a foo!");
            child.appendChild(text);
            Element info = doc.createElement("Information");
            root.appendChild(info);
            root = addAttribute(root, info, "Name", "Wongsakorn");
            info.appendChild(doc.createTextNode("Hello"));
            root = addAttribute(root, info, "SureName", "Kongosod");
            /////////////////
            //Output the XML

            //set up a transformer
            TransformerFactory transfac = TransformerFactory.newInstance();
            Transformer trans = transfac.newTransformer();
            trans.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
            trans.setOutputProperty(OutputKeys.INDENT, "yes");
            StreamResult result = new StreamResult(new File(output));
            DOMSource source = new DOMSource(doc);
            trans.transform(source, result);

        } catch (Exception e) {
            System.out.println(e);
        }
 }
 private void ReadXml() throws TransformerConfigurationException, IOException {
        //print xml
        System.out.println("Here's the xml:\n");
        InputStream ins = new FileInputStream(new File(output));
        DataInputStream data = new DataInputStream(ins);
        BufferedReader reader = new BufferedReader(new InputStreamReader(data));
        String strLine = "";
        while ((strLine = reader.readLine())!=null) {
   System.out.println(strLine);
  }
 }
 private Element addAttribute(Element root, Element child, String name,String value) {
  child.setAttribute(name, value);
        root.appendChild(child);
  return root;
 }
}

output:

<root>

<child a="b" x="a">Filler, ... I could have had a foo!</child>
<Information Name="Wongsakorn" SureName="Kongosod">Hello</Information>
</root>

Anagram

2011-09-28T17:47:00.001+07:00

อนาแกรม (Anagram) คือ การนำตัวอักษรในคำมาสลับหรือจัดเรียงเพื่อให้ได้คำใหม่ โดยความยาวของข้อความและจำนวนตัวอักษรที่ใช้ต้องเท่ากัน อาจจะมีความหมายหรือไม่ก็ได้ครับ ตัวอย่างเช่น

คำว่า Thailand จะได้หลายคำ
Natal Hid
Hand Tali
Hand Alit
Hand Tail
Laid Than
Dial Than
A Had Lint
A Hand Lit
A Lad Thin
A Lad Hint
A Land Hit
A And Hilt
A Halt Din
A Lath Din
A Than Lid
Ad Ha Lint
Ad Ah Lint

ลองดูได้ที่
http://wordsmith.org/anagram/index.html

อันนี้เป็นชื่อผมเอง กลายเป็น Ska Grown On 555+

ReadXml

2011-09-27T16:04:00.002+07:00

import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class XMLReader {
private String out = "";
private HashMap<Node, String> checkEle;
private HashMap<String, Node> mapRoot;
public static void main(String argv[]) throws ParserConfigurationException,
SAXException, IOException {
new XMLReader();
}

public XMLReader() throws ParserConfigurationException, SAXException,
IOException {
DocumentBuilderFactory docBuild = DocumentBuilderFactory.newInstance();
docBuild.setNamespaceAware(false);
docBuild.setIgnoringComments(true);
docBuild.setIgnoringElementContentWhitespace(true);
DocumentBuilder build = docBuild.newDocumentBuilder();
Document doc = build.parse(new File("input.xml"));
Element root = doc.getDocumentElement();
parser(root);
}

public void parser(Element element) {
System.out.println(element.getNodeName());
NodeList list1 = element.getChildNodes();
checkEle = new HashMap<Node, String>();
mapRoot = new HashMap<String, Node>();
parserChildNode(list1,0);
System.out.println(out);
}
public void parserChildNode(NodeList list,int indexChild) {
String tab = "| |";
for (int i = 0; i < indexChild; i++) {
tab+="| |";
}
if (list != null) {
for (int i = 0; i < list.getLength(); i++) {
if (!list.item(i).getNodeName().equals("#text")) {
if(mapRoot.get(list.item(i))!=null){
tab = checkEle.get(mapRoot.get(list.item(i).getNodeName()));
}
NamedNodeMap attribute = list.item(i).getAttributes();
if(attribute!=null && attribute.getLength()>0){
String text = "";
if(list.item(i).hasChildNodes())
text = list.item(i).getFirstChild().getTextContent();
if(checkEle.get(list.item(i)) != null)
out += checkEle.get(list.item(i))+"<"+list.item(i).getNodeName()+"> "+text;
else{
out += tab+"<"+list.item(i).getNodeName()+">";
checkEle.put(list.item(i), tab);
}
}
else{
String text = "";
if(list.item(i).hasChildNodes())
text = list.item(i).getFirstChild().getTextContent();
out += tab+"<"+list.item(i).getNodeName()+"> "+text+"\n";
}
if(attribute!=null && attribute.getLength()>0){
for (int j = 0; j < attribute.getLength(); j++) {
out +=attribute.item(j).getNodeName()+"="+attribute.item(j).getNodeValue();
}
out+="\n";
}
if(list.item(i).getChildNodes()!=null){
if(mapRoot.get(list.item(i).getParentNode())== null){
mapRoot.put(list.item(i).getParentNode().getNodeName(),list.item(1));
parserChildNode(list.item(i).getChildNodes(),indexChild++);
}
}
}

}
}
}
}

Java Reflection get and set Value

2011-09-27T13:29:00.002+07:00

package ball.Invoke;

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Locale;

import javax.swing.JOptionPane;

import static java.lang.System.out;
import static java.lang.System.err;

public class InvokeSample {
 private String name;
 private String surename;
 private String age;

 public String getName() {
  return name;
 }

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

 public String getSurename() {
  return surename;
 }

 public void setSurename(String surename) {
  this.surename = surename;
 }

 public String getAge() {
  return age;
 }

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

 @Override
 public String toString() {
  return getName() + " " + getSurename() + " " + getAge();
 }

 public static void main(String[] args) throws SecurityException,
   NoSuchFieldException, IllegalArgumentException,
   IllegalAccessException, InvocationTargetException {
  InvokeSample deet = new InvokeSample();
  deet.setAge("20");
  deet.setName("Boner");
  deet.setSurename("Terry");
  deet.parsetObject(deet);
 }
 private void parsetObject(InvokeSample deet)
   throws IllegalArgumentException, IllegalAccessException,
   InvocationTargetException {
  String[] val = { "Data1", "Data2", "Data3" };
  // get Class
  Class<?> c = deet.getClass();
  // get all methods
  Method[] allMethods = c.getDeclaredMethods();

  // get all Fields
  Field[] allF = c.getDeclaredFields();
  for (Field field : allF) {
   System.out.println(field.getName());
  }
  // set value to set method send String
  int i = 0;
  for (Method m : allMethods) {
   String mname = m.getName();
   if (mname.startsWith("set")
     && (m.getGenericReturnType() != boolean.class)) {
    m.setAccessible(true);
    // set value by set method
    m.invoke(deet, new String(val[i++]));
    System.out.println(("invoking " + mname + "()" + m
      .getReturnType()));
   }
  }
  // get value from get method retruned String
  for (Method m : allMethods) {
   String mname = m.getName();
   if (mname.startsWith("get")
     && (m.getGenericReturnType() != boolean.class)
     || mname.startsWith("toString")) {
    Class<?> ret = m.getReturnType();
    if (ret.getSimpleName().trim().equalsIgnoreCase("String")) {
     System.out
       .println(("invoking " + mname + "() return type " + m
         .getReturnType()));
     m.setAccessible(true);
     // get value from get method
     String value = (String) invokeMethod(deet, m);
     out.format("%s() returned %s %n", mname, value);
    }
   }
  }
 }

 private Object invokeMethod(Object obj, Method m) {
  // Invoke Method
  Object value = null;
  try {
   value = m.invoke(obj);
  } catch (IllegalArgumentException e) {
   e.printStackTrace();
  } catch (IllegalAccessException e) {
   e.printStackTrace();
  } catch (InvocationTargetException e) {
   e.printStackTrace();
  }
  return value;
 }
}

Java Abstract

2011-09-26T13:49:00.001+07:00

A.java

public abstract class A extends C{
 abstract void me();
 abstract String helloAbs();
 String str;
}

B.java

public class B extends A{
 @Override
 void me() {
  str = "Hello World ";
  System.out.println(getName());
  System.out.println(getSurename());
  System.out.println(getAge());
 }
 @Override
 String helloAbs() {
  return str+toString();
 }
}

C.java

public class C {
 private String name;
 private String surename;
 private int age;
 public String getName() {
  return name;
 }
 public void setName(String name) {
  this.name = name;
 }
 public String getSurename() {
  return surename;
 }
 public void setSurename(String surename) {
  this.surename = surename;
 }
 public int getAge() {
  return age;
 }
 public void setAge(int age) {
  this.age = age;
 }
 @Override
 public String toString(){
  return getName()+" "+getSurename()+" "+getAge();
 }
}


UseAbs.java

public class UseAbs {
 public static void main(String[] args) {
  B b = new B();
  b.setName("Terry");
  b.setSurename("Harn");
  b.setAge(22);
  b.me();
  System.out.println(b.helloAbs());
 }
}

Result:

Terry
Harn
22
Hello World Terry Harn 22

Java Interface

2011-09-26T13:29:00.001+07:00

Interface A.java

public interface A {
 void iamA(); 
 void helloA();
}

B.java

public class B implements A{
 @Override
 public void iamA() {
  System.out.println("I am A use by B");
 }
 @Override
 public void helloA() {
  System.out.println("Hello World A");
 }
}

Use.java

public class Use {
 public static void main(String[] args) {
  B b = new B();
  b.iamA();
  b.helloA();
 }
}

Result:  I am A use by B
         Hello World A

Interface and Abstract

2011-09-23T13:00:00.001+07:00

Interface กับ Abstract Class

Abstract Class คือ Class เป็นเสมือนคลาสนึงที่วางโครงร่างไว้ให้แล้วแค่มา extends ไปใช้

Interface แก้ปัญหาการสืบทอด เพราะเวลา extends Class จะได้ Class เดียวแต่เราสามารถ Implements ได้หลาย Interface

จะยกตัวอย่างในตอนถัดไป

Change Properties Summary of file with java

2011-09-23T00:54:00.000+07:00

http://www.4shared.com/file/aAwQ8bst/Summary.html

Program Properties Summary of file with java

Program and Game Android

2011-09-23T00:48:00.004+07:00

Program and Game Android

1. Xexplorer
http://www.4shared.com/file/pL24AU1A/Xexplorer.html

2.GuessNumber
http://www.4shared.com/file/uqQD_g0J/GuessNumber.html

3.FindNumber
http://www.4shared.com/file/QsoW1Wyb/FindNumber.html?

4.TerryNews
http://www.4shared.com/file/GTqR9Lxt/TerryNews.html?

5.Pao Ying Choop by Puchong
http://slideme.org/applications?text=pao%20ying%20choop

ฝากโปรแกรมไปลองใช้หน่อยนะครับยังไม่เสร็จดี

MongoDB Install

2011-09-23T00:41:00.003+07:00

mongo DB Install

1. Go to download page http://www.mongodb.org/downloads

download OS and Source in use

For java use library jar file download https://github.com/mongodb/mongo-java-driver/downloads

2. When get all file

Extract OS and Source file

Create floder to store C: my_mongo_dir

Create a data directory

By default MongoDB will store data in \data\db, but it won't automatically create that folder, so we do so here:
C:\> mkdir \data
C:\> mkdir \data\db

3. Run

Run and connect to the server

The important binaries for a first run are:

· mongod.exe - the database server. Try mongod --help to see startup options.

· mongo.exe - the administrative shell

To run the database, click mongod.exe in Explorer, or run it from a CMD window.

C:\> cd \my_mongo_dir\bin

C:\my_mongo_dir\bin> mongod

Note: It is also possible to run the server as a Windows Service. But we can do that later.

Now, start the administrative shell, either by double-clicking mongo.exe in Explorer, or from the CMD prompt. By default mongo.exe connects to a mongod server running on localhost and uses the database named test. Run mongo --help to see other options.

C:\> cd \my_mongo_dir\bin

C:\my_mongo_dir\bin> mongo

> // the mongo shell is a javascript shell connected to the db

> // by default it connects to database 'test' at localhost

> 3+3

> db

test

> // the first write will create the db:

> db.foo.insert( { a : 1 } )

> db.foo.find()

{ _id : ..., a : 1 }

> show dbs

...

> show collections

...

> help

Java Code Example

package ball;

/**

* Simple Example that shows creating a people (id:number, name:string,

* gender:string) collection and then adding, finding, updating and deleting.

* You need to download and install MongoDB (www.mongodb.org) and run the

* server. You’ll also need to have the mongo-1.2.jar in your class path.

import java.net.UnknownHostException;

import java.util.regex.Pattern;

import javax.swing.JOptionPane;

import com.mongodb.BasicDBObject;

import com.mongodb.DB;

import com.mongodb.DBCollection;

import com.mongodb.DBCursor;

import com.mongodb.Mongo;

import com.mongodb.MongoException;

/**

* @author vsbabu

public class MongoManager {

public MongoManager(){

RunCommand();

Mongo();

}

private void Mongo() {

System.out.println("Start ");

try {

Mongo m = new Mongo("localhost", 27017);

DB db = m.getDB("sampledb");

DBCollection coll = db.getCollection("people");

// clear records if any

DBCursor cur = coll.find();

while (cur.hasNext())

coll.remove(cur.next());

// create a unique ascending index on id;

//doesn’t seem to work? it works from python and javascript

coll.ensureIndex(new BasicDBObject("id", 1).append("unique", true));

coll.createIndex(new BasicDBObject("name", 1));

coll.insert(makePersonDocument(6655, "James", "male"));

coll.insert(makePersonDocument(6797, "Bond", "male"));

coll.insert(makePersonDocument(6643, "Cheryl", "female"));

coll.insert(makePersonDocument(7200, "Scarlett", "female"));

coll.insert(makePersonDocument(6400, "Jacks", "male"));

System.out.println("Total Records : " + coll.getCount());

cur = coll.find();

printResults(cur, "Find All Records");

cur = coll.find(new BasicDBObject("id", 6655));

printResults(cur, "Find id = 6655");

cur = coll.find(new BasicDBObject()

.append("id", new BasicDBObject("$lte", 6700)));

printResults(cur, "Find id <= 6700");

cur = coll.find(new BasicDBObject()

.append("id", new BasicDBObject("$lte", 6700))

.append("gender", "male"));

printResults(cur, "Find id <= 6700 and gender = male");

cur = coll.find(new BasicDBObject()

.append("name", Pattern.compile("^ja.*?s$", Pattern.CASE_INSENSITIVE)))

.sort(new BasicDBObject("name", -1));

printResults(cur, "Find name like Ja%s and sort reverse by name");

cur = coll.find(new BasicDBObject()

.append("gender", "female"))

.sort(new BasicDBObject("id", -1))

.limit(2);

printResults(cur, "Get top 2 (by id) ladies");

//let us reduce every body’s phone numbers by 10; add Sir to males, Mme to ladies

cur = coll.find();

while(cur.hasNext()) {

BasicDBObject set = new BasicDBObject("$inc", new BasicDBObject("id", -10));

if ("male".equals(cur.next().get("gender")))

set.append("$set", new BasicDBObject("name", "Sir ".concat((String) cur.curr().get("name"))));

else

set.append("$set", new BasicDBObject("name", "Mme ".concat((String) cur.curr().get("name"))));

coll.update(cur.curr(), set);

}

cur = coll.find();

printResults(cur, "All, after id and name update");

}

catch (UnknownHostException ex) {

ex.printStackTrace();

}

catch (MongoException ex) {

ex.printStackTrace();

}

private void RunCommand() {

System.out.println("Run");

try {

Process p = Runtime

.getRuntime()

.exec("rundll32 url.dll,FileProtocolHandler C:/mongodb/bin");

p.waitFor();

JOptionPane.showMessageDialog(null, "Open mongod.exe");

} catch (Exception ex) {

ex.printStackTrace();

}

public static void main(String[] args) {

new MongoManager();

}

private static void printResults(DBCursor cur, String message) {

System.out.println("<<<<<<<<<< " + message + " >>>>>>>>>>>>");

while (cur.hasNext()) {

System.out.println(cur.next().get("id") + "," + cur.curr().get("name") + "," + cur.curr().get("gender"));

}

private static BasicDBObject makePersonDocument(int id, String name, String gender) {

BasicDBObject doc = new BasicDBObject();

doc.put("id", id);

doc.put("name", name);

doc.put("gender", gender);

return doc;

}

Output will look like below

Total Records : 5

<<<<<<<<<< Find All Records >>>>>>>>>>>>

6655,James,male

6797,Bond,male

6643,Cheryl,female

7200,Scarlett,female

6400,Jacks,male

<<<<<<<<<< Find id = 6655 >>>>>>>>>>>>

6655,James,male

<<<<<<<<<< Find id <= 6700 >>>>>>>>>>>>

6400,Jacks,male

6643,Cheryl,female

6655,James,male

<<<<<<<<<< Find id <= 6700 and gender = male >>>>>>>>>>>>

6400,Jacks,male

6655,James,male

<<<<<<<<<< Find name like Ja%s and sort reverse by name >>>>>>>>>>>>

6655,James,male

6400,Jacks,male

<<<<<<<<<< Get top 2 (by id) ladies >>>>>>>>>>>>

7200,Scarlett,female

6643,Cheryl,female

<<<<<<<<<< All, after id and name update >>>>>>>>>>>>

6645,Sir James,male

6787,Sir Bond,male

6633,Mme Cheryl,female

7190,Mme Scarlett,female

6390,Sir Jacks,male

TripDESEncrypter

2011-08-25T16:20:00.004+07:00

import java.awt.Desktop;
import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.KeySpec;
import java.sql.Date;
import java.text.SimpleDateFormat;
import java.util.Scanner;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
public class TripDESEncrypter {
	private static final String PBEWITH_MD5AND_DES = "PBEWithMD5AndDES";
	private static final String DEFAULT_ENCODE = "UTF-8";
	private String SECRET_STRING;
	private String DATA;
	private String PATHDATA;

	public void setSECRET_STRING(String sECRET_STRING) {
		SECRET_STRING = sECRET_STRING;
	}
	private Cipher ecipher;
	private Cipher dcipher;

	public TripDESEncrypter() throws IOException{
		try {
			Runtime.getRuntime().exec("cmd /c cls");
		} catch (IOException e) {
			e.printStackTrace();
		}
		Scanner scanner = new Scanner (System.in);
		String pathintial = "data.txt";
		 PATHDATA = new File(pathintial).getAbsolutePath();
		 DATA = getDataInitial().trim();
		 if(DATA.equals("")){
			 System.out.println("No data in: "+PATHDATA);
			 Desktop desktop = null;
		 		if (Desktop.isDesktopSupported()) {
		 			desktop = Desktop.getDesktop();
		 		}
		 		try {
		 			desktop.open(new File(pathintial));
		 		} catch (IOException e) {}
		 }
		 System.out.println("Check data in: "+PATHDATA);
         System.out.print("Menu: 1.Encrypt String 2.Decrypt String 3.Exit:");
         int menu = 0 ;
         try {
        	 menu = scanner.nextInt();
		} catch (Exception e) {
			new TripDESEncrypter();
		}
         switch(menu){
         	case 1:EncryptInput();break;
         	case 2:DecryptInput();break;
         	default:System.exit(0);
         }
	}
	private void DecryptInput() throws IOException {
		Scanner scanner = new Scanner (System.in);
		System.out.print("Decrypt SECRET KEY: ");
		String secret = scanner.nextLine();
		System.out.print("Encode: 1:TIS-620 2.ISO-9002 3.UTF-8(Default) Other typing: ");
		String encode = "";
		int choose = 0;
		try {
			choose = scanner.nextInt();
				switch(choose){
		     	case 1:encode = "TIS-620";doTripDecrypt(secret, encode );
		     	case 2:encode = "ISO-9002";doTripDecrypt(secret, encode);
		     	case 3:encode = "UTF-8";doTripDecrypt(secret,encode );
		     	default:encode = "UTF-8";doTripDecrypt(secret,encode );
			}
		} catch (Exception e) {
			encode = scanner.nextLine();
			doTripDecrypt(secret, encode);
		}
	}
	private void doTripDecrypt(String secret,String encode){
		setSECRET_STRING(secret);
		InitTripProcess();
		String out = "";
		out+="SECRET KEY: "+secret;
		out+="\nString: "+decrypt(DATA,encode);
//		System.out.println(out);
		Date today;
		String output;
		SimpleDateFormat formatter;
		formatter = new SimpleDateFormat("dd MM yy HH-m-ss");
		long time = System.currentTimeMillis();
		today = new Date(time);
		output = formatter.format(today);
		Writetxtfile("Decrypt"+output,out);
	}
	private void EncryptInput() throws IOException{
		Scanner scanner = new Scanner (System.in);
		System.out.print("Encrypt SECRET KEY: ");
		String secret = scanner.nextLine();
		System.out.print("Encode: 1.TIS-620 2.ISO-9002 3.UTF-8(Default) Other typing: ");
		String encode = "";
		int choose = 0;
		try {
			choose = scanner.nextInt();
			switch(choose){
	     	case 1:encode = "TIS-620";doTripEncrypt(secret, encode );
	     	case 2:encode = "ISO-9002";doTripEncrypt(secret, encode);
	     	case 3:encode = "UTF-8";doTripEncrypt(secret,encode );
	     	default:encode = "UTF-8";doTripEncrypt(secret,encode );
		}
		} catch (Exception e) {
			encode = scanner.nextLine();
			doTripEncrypt(secret, encode);
		}
	}
	private void doTripEncrypt(String secret,String encode){
		setSECRET_STRING(secret);
		InitTripProcess();
		String out = "";
		out+="SECRET KEY: "+secret;
		out+="\nString: "+encrypt(DATA,encode);
//		System.out.println(out);
		Date today;
		String output;
		SimpleDateFormat formatter;
		formatter = new SimpleDateFormat("dd MM yy HH-m-ss");
		long time = System.currentTimeMillis();
		today = new Date(time);
		output = formatter.format(today);
		Writetxtfile("Encrypt"+output,out);
	}
	private void InitTripProcess(){
		try{
			byte[] salt = {
			(byte)0xA9, (byte)0x9B, (byte)0xC8, (byte)0x32,
			(byte)0x56, (byte)0x34, (byte)0xE3, (byte)0x03
		};
		int iterationCount = 19;
		
		KeySpec keySpec = new PBEKeySpec(SECRET_STRING.toCharArray(), salt, iterationCount);
		SecretKey key = SecretKeyFactory.getInstance(PBEWITH_MD5AND_DES).generateSecret(keySpec);
		
		ecipher = Cipher.getInstance(key.getAlgorithm());
		dcipher = Cipher.getInstance(key.getAlgorithm());
		
		AlgorithmParameterSpec paramSpec = new PBEParameterSpec(salt, iterationCount);
		
		ecipher.init(Cipher.ENCRYPT_MODE, key , paramSpec);
		dcipher.init(Cipher.DECRYPT_MODE, key , paramSpec);

		}catch(Exception e){
			e.printStackTrace();
		}
	}

	private String encryptData(String s,String encode){
		try{
			byte[] b = s.getBytes(encode);
			byte[] enc = ecipher.doFinal(b);
		return new BASE64Encoder().encode(enc);
		}catch(Exception e){
			System.out.println("Error Endode "+encode+" ");
			try {
				EncryptInput();
			} catch (IOException e1) {
				e1.printStackTrace();
			}
		}
		return null;
	}

	private String decryptData(String s,String encode){
		try{
			byte[] dec = new BASE64Decoder().decodeBuffer(s);
			byte[] b = dcipher.doFinal(dec);
			return new String(b,encode);
		}catch(Exception e){
			System.out.println("Error Endode "+encode+" ");
			try {
				DecryptInput();
			} catch (IOException e1) {
				e1.printStackTrace();
			}
		}
		return null;
	}
	public void Writetxtfile(String filename,String str){
		if(filename.lastIndexOf(".txt")<0)
			filename="C:/Temp/Trip/"+filename+".txt";
		else
			filename="C:/Temp/Trip/"+filename;
		File trip = new File("C:/Temp/Trip");
		if(!trip.exists())
			trip.mkdirs();
    	FileWriter write = null;
		try {
			write = new FileWriter(filename);
		} catch (IOException e1) {
			e1.printStackTrace();
		}
        try {
            write.write(str);
        } catch (FileNotFoundException e) {
        	e.printStackTrace();
        } catch (IOException e) {
        	e.printStackTrace();
        } finally {
            try {
                if (write != null) {
                	String finishfile = new File(filename).getAbsolutePath();
                	System.out.println("File to: "+finishfile);
                	write.close();
            		Desktop desktop = null;
            		if (Desktop.isDesktopSupported()) {
            			desktop = Desktop.getDesktop();
            		}
            		try {
            			desktop.open(new File(finishfile));
            		} catch (IOException e) {}
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        try {
			new TripDESEncrypter();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	public String getDataInitial(){
		StringBuffer result = new StringBuffer();
		 try{
			  FileInputStream fstream = new FileInputStream(PATHDATA);
			  DataInputStream in = new DataInputStream(fstream);
			  BufferedReader br = new BufferedReader(new InputStreamReader(in));
			  String strLine;
			  while ((strLine = br.readLine()) != null)   {
				  result.append(strLine);
			  }
				  in.close();
		    }catch (Exception e){
			  System.err.println("Error: " + e.getMessage());
			  System.exit(0);
			  }
			return result.toString();
	  }
	public String encrypt(String s){
		return encryptData(s,DEFAULT_ENCODE);
	}

	public String encrypt(String s,String encode){
		return encryptData(s,encode);
	}

	public String decrypt(String s){
		return decryptData(s,DEFAULT_ENCODE);
	}

	public String decrypt(String s,String encode){
		return decryptData(s,encode);
	}
	public static void main(String[] args) {
		try {
			new TripDESEncrypter();
		} catch (IOException e) {
			System.exit(0);
		}
	}
}

Test

2011-07-21T13:56:00.010+07:00

public class Find {
 public static void main(String args[]){
        System.out.println("Hello Terry");
 }
}

http://www.helloandroid.com/tutorials/how-download-fileimage-url-your-device

http://intereladsd.blogspot.com/

http://www.java-samples.com/showtutorial.php?tutorialid=152

http://www.4shared.com/file/s3XN43BY/Invoke.html

ภาษา script และภาษาโปรแกรมทั่วไป

2011-07-21T09:28:00.001+07:00

ถ้าพูดถึงภาษา script นั้นเป็นภาษาที่มีหลักการแบบ แทรกเข้าไปมาภาษาอื่น ทำให้สามารถทำงานต่างๆได้มากขี้น โดย sintag นั้นจะมีความกระชับเข้าใจง่าย โดยเฉพาะ เรื่องตัวแปรนั้นจะยืดหยุ่นมาก จะประกาศตัวแปรแบบไหนก็ได้ โดยที่ script นั้นจะเป็นตัวแปรให้เราเองโดยอัตโนมัติ มีการใช้ภาษา script ในการทำงานต่างๆเช่น การทำเว็บไชต์ จะทำการแทรก script เข้าไปเพื่อให้ browser นั้นทำงานได้หลากหลายมากยิ่งขึ้น เช่น php ,javascript ,perl,python,ajax,flash ภาษาเหล่านี้ จะมีการทำงานเชื่อมต่อกันได้กับภาษาอื่นๆ
ส่วนภาษาอื่นนั้นก็จะเน้นด้านการวางโครงสร้างของโปรแกรม เป็นการสร้างโปรแกรมที่จะมีส่วนประกอบที่เยอะมากขึ้นเน้นความมีเสถียรภาพด้าน กระบวนการ ในปัจจุบัน ภาษา script มีบทบาท มากขึ้น ในการทำเว็บไชต์ เมื่อสมัยก่อนหลักการเริ่มแรกของเว็บคือสามารถส่งผ่านข้อมูลได้ทุกแพลตฟอร์ม ไม้ว่าเปิดที่ไหนก็อ่านได้ แต่ในทุกวันนี้มี สิ่งต่างๆมากมาย ที่ทำให้เว็บไชต์พัฒนาขึ้น เพราะ เป็นสิ่งที่เชื่อมต่อกับคนทั่วโลกได้

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