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Simplified Object library - to convert POJOs into any format
"SOJO" stands for "Simplify your Old Java Objects" or, in noun form, "Simplified Old Java Objects." The goal of the SOJO project is to provide a library to convert object graphs into a specific structure - which could be a CSV representation, JSON, XML, or any other available format - to ease communication with non-Java processes. SOJO manages cycle detection, as well, so complex object graphs can be represented and transmitted. The conversions are pluggable, so even custom formats can be used.
The application areas are:- data interchange:
- JSON (JavaScript Object Notation) a lightweight data-interchange format
- Object To XML - where XML-RPC is a special case
- Java serialization, without implements the interface java.io.Serializable (e.g. cluster, cache, remote communication, ...)
- operation of complex Java-Objects-graphs:
- copy or clone from a complex object graph (can manage different versions from one object graph (object history))
- compare complex object graph
- walk over object graph (to traverse)
- easy navigate on the complex object graph (with a navigation language)
- remote acces/communication:
- HTTP protocol - request and response are based on String representation
- RMI (Java-Object must serializable (marshalling) or deserializable (unmarshalling))
- WebService or XML RPC - convert Java-Object in special String representation, in XML
- create "value objects" or "transfer objects" to sent objects over the network
- data access:
- object/relational persistence respectively object/relational mapping
- flat files (convert Java-Object-Graph to a flat representation)
- property files (e.g. convert Strings to Long, Date, ... by reading a property file and map the value to setter from a Bean)
- legacy systems
- GUI interface:
- transform business models to GUI-models (DataBinder)
- every changes on the GUI-model must to notice (integrated PropertyChangeListener or VetoableChangeListener)
Message was edited by: joeo@enigmastation.com
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