Java: Json-lib for JSON Object Transformation
By admin on Jul 9, 2008 in Java, Programming, open source
I need a simple way to convert between JSON string and Java Map or Bean object, and Json-lib is the library that I used for this purpose.
JSON-lib is a java library for transforming beans, maps, collections, java arrays and XML to JSON and back again to beans and DynaBeans.
It is based on the work by Douglas Crockford in http://www.json.org/java .
It supports bidirectional serialization for Maps, Collections, arrays (primitives, multidimensional), beans, DynaBeans, Enums and Annotations (jdk15 package only)
E.g. quoted from the website,
1. Map map = new HashMap();
2. map.put( "name", "json" );
3. map.put( "bool", Boolean.TRUE );
4. map.put( "int", new Integer(1) );
5. map.put( "arr", new String[]{"a","b"} );
6. map.put( "func", "function(i){ return this.arr[i]; }" );
7.
8. JSONObject jsonObject = JSONObject.fromObject( map );
9. System.out.println( jsonObject );
0. // prints ["name":"json","bool":true,"int":1,"arr":["a","b"],"func":function(i){ return this.arr[i]; }]
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