Conversion of JSON and Java data

JSON-lib is a Java class package used to convert beans, maps, and XML into JSON and convert JSON back to bean and dynabean.

: Http://json-lib.sourceforge.net/

The third-party package is also required:
Org. Apache. commons (version 3.2 or later)
Org. Apache. oro
Net. SF. ezmorph (ezmorph-1.0.4.jar)
Nu. XOM

1. List

Java code

1. Boolean[] Boolarray =
   New
   Boolean[] {True,False,True};
   
2. Jsonarray jsonarray1 = jsonarray. fromobject (boolarray );
3. System. Out. println (jsonarray1 );
4. // Prints [true, false, true]
   
6. List list =NewArraylist ();
7. List. Add ("first ");
8. List. Add ("second ");
9. Jsonarray jsonarray2 = jsonarray. fromobject (list );
10. System. Out. println (jsonarray2 );
11. // Prints ["first", "second"]
    
13. Jsonarray jsonarray3 = jsonarray. fromobject ("['json', 'is', 'easy']");
14. System. Out. println (jsonarray3 );
15. // Prints ["JSON", "is", "easy"]

boolean[] boolArray = new boolean[]{true,false,true};JSONArray jsonArray1 = JSONArray.fromObject( boolArray );System.out.println( jsonArray1 );// prints [true,false,true]List list = new ArrayList();list.add( "first" );list.add( "second" );JSONArray jsonArray2 = JSONArray.fromObject( list );System.out.println( jsonArray2 );// prints ["first","second"]JSONArray jsonArray3 = JSONArray.fromObject( "['json','is','easy']" );System.out.println( jsonArray3 );// prints ["json","is","easy"]

2. Map

Java code

1. Map map =NewHashmap ();
2. Map. Put ("name ",
   "JSON ");
3. Map. Put ("bool", Boolean. True );
5. Map. Put ("int ",
   NewINTEGER (1 ));
6. Map. Put ("arr ",
   NewString [] {"A", "B "}
   );
7. Map. Put ("func ",
   "Function (I) {return this. Arr [I];}");
8. Jsonobject JSON = jsonobject. fromobject (MAP );
9. System. Out. println (JSON );
10. // {"Func": function (I) {return this. arr [I] ;}, "arr": ["A", "B"], "int": 1, "name": "JSON", "bool ": true}

Map map = new HashMap();map.put( "name", "json" );map.put( "bool", Boolean.TRUE );map.put( "int", new Integer(1) );map.put( "arr", new String[]{"a","b"} );map.put( "func", "function(i){ return this.arr[i]; }" );JSONObject json = JSONObject.fromObject( map );System.out.println( json );//{"func":function(i){ return this.arr[i]; },"arr":["a","b"],"int":1,"name":"json","bool":true}

3. Bean

Java code

1. /**
2. * Bean. Java
   
3. Private string name = "JSON ";
   
4. Private int pojoid = 1;
   
5. Private char [] Options = new char [] {'A', 'F '};
   
6. Private string func1 = "function (I) {return this. Options [I];}";
   
7. Private jsonfunction func2 = new jsonfunction (New String [] {"I"}, "return this. Options [I];");
   
8. */
9. Jsonobject = jsonobject. fromobject (NewJsonbean ());
10. System. Out. println (jsonobject );
11. // {"Func1": function (I) {return this. options [I];}, "pojoid": 1, "name": "JSON", "options": ["A", "F"], "func2 ": function (I) {return this. options [I] ;}}

/*** Bean.javaprivate String name = "json";private int pojoId = 1;private char[] options = new char[]{'a','f'};private String func1 = "function(i){ return this.options[i]; }";private JSONFunction func2 = new JSONFunction(new String[]{"i"},"return this.options[i];");*/JSONObject jsonObject = JSONObject.fromObject( new JsonBean() );System.out.println( jsonObject );//{"func1":function(i){ return this.options[i]; },"pojoId":1,"name":"json","options":["a","f"],"func2":function(i){ return this.options[i]; }}

4. Beans

Java code

1. /**
2. * Private int row;
   
3. Private int Col;
   
4. Private string value;
   
5. *
6. */
7. List list =NewArraylist ();
8. Jsonbean2 jb1 =NewJsonbean2 ();
9. Jb1.setcol (1 );
10. Jb1.setrow (1 );
11. Jb1.setvalue ("XX ");
13. Jsonbean2 jb2 =NewJsonbean2 ();
14. Jb2.setcol (2 );
15. Jb2.setrow (2 );
16. Jb2.setvalue ("");
19. List. Add (jb1 );
20. List. Add (jb2 );
22. Jsonarray ja = jsonarray. fromobject (list );
23. System. Out. println (JA. tostring ());
24. // [{"Value": "XX", "row": 1, "col": 1 },{ "value": "", "row": 2, "col": 2}]

/*** private int row ;private int col ;private String value ;**/List list = new ArrayList();JsonBean2 jb1 = new JsonBean2();jb1.setCol(1);jb1.setRow(1);jb1.setValue("xx");JsonBean2 jb2 = new JsonBean2();jb2.setCol(2);jb2.setRow(2);jb2.setValue("");list.add(jb1);list.add(jb2);JSONArray ja = JSONArray.fromObject(list);System.out.println( ja.toString() );//[{"value":"xx","row":1,"col":1},{"value":"","row":2,"col":2}]

5. string to Bean

Java code

1. String JSON = "{name = \" JSON \ ", bool: True, INT: 1, double: 2.2, FUNC: function (a) {return a ;}, array: [1, 2]} ";
2. Jsonobject = jsonobject. fromstring (JSON );
3. Object bean = jsonobject. tobean (jsonobject );
4. Assertequals (jsonobject. Get ("name"), propertyutils. getproperty (bean,
   "Name "));
5. Assertequals (jsonobject. Get ("bool"), propertyutils. getproperty (bean,
   "Bool "));
6. Assertequals (jsonobject. Get ("int"), propertyutils. getproperty (bean,
   "Int "));
7. Assertequals (jsonobject. Get ("double"), propertyutils. getproperty (bean,
   "Double "));
8. Assertequals (jsonobject. Get ("func"), propertyutils. getproperty (bean,
   "Func "));
9. List expected = jsonarray. tolist (jsonobject. getjsonarray ("array "));
10. Assertequals (expected, (list) propertyutils. getproperty (bean,
    "Array "));

String json = "{name=\"json\",bool:true,int:1,double:2.2,func:function(a){ return a; },array:[1,2]}";JSONObject jsonObject = JSONObject.fromString(json);Object bean = JSONObject.toBean( jsonObject );assertEquals( jsonObject.get( "name" ), PropertyUtils.getProperty( bean, "name" ) );assertEquals( jsonObject.get( "bool" ), PropertyUtils.getProperty( bean, "bool" ) );assertEquals( jsonObject.get( "int" ), PropertyUtils.getProperty( bean, "int" ) );assertEquals( jsonObject.get( "double" ), PropertyUtils.getProperty( bean, "double" ) );assertEquals( jsonObject.get( "func" ), PropertyUtils.getProperty( bean, "func" ) );List expected = JSONArray.toList( jsonObject.getJSONArray( "array" ) );assertEquals( expected, (List) PropertyUtils.getProperty( bean, "array" ) );

 

Java code

1. String JSON = "{\" value \ ": \" XX \ ", \" Row \ ": 1, \" Col \ ": 1 }";
2. Jsonobject = jsonobject. fromstring (JSON );
3. Jsonbean2 bean = (jsonbean2) jsonobject. tobean (jsonobject, jsonbean2.Class);
4. Assertequals (jsonobject. Get ("col "),NewINTEGER (bean. getcol ()));
   
5. Assertequals (jsonobject. Get ("row "),
   NewINTEGER (bean. getrow ()));
6. Assertequals (jsonobject. Get ("value"), Bean. getvalue ());

String json = "{\"value\":\"xx\",\"row\":1,\"col\":1}";JSONObject jsonObject = JSONObject.fromString(json);JsonBean2 bean = (JsonBean2) JSONObject.toBean( jsonObject, JsonBean2.class );assertEquals( jsonObject.get( "col" ),new Integer( bean.getCol())  );assertEquals( jsonObject.get( "row" ), new Integer( bean.getRow() ) );assertEquals( jsonObject.get( "value" ), bean.getValue() );

6 JSON to XML
1)
Jsonobject JSON = new jsonobject (true );
String xml = xmlserializer. Write (JSON );

<O class = "object" null = "true">

2)
Jsonobject JSON = jsonobject. fromobject ("{\" Name \ ": \" JSON \ ", \" bool \ ": True, \" int \ ": 1 }");

String xml = xmlserializer. Write (JSON );
<O class = "object">
<Name type = "string"> JSON </Name>
<Bool type = "Boolean"> true </bool>
<Int type = "Number"> 1 </int>
</O>
<O class = "object">
<Name type = "string"> JSON </Name>
<Bool type = "Boolean"> true </bool>
<Int type = "Number"> 1 </int>
</O>
3)
Jsonarray JSON = jsonarray. fromobject ("[1, 2, 3]");
String xml = xmlserializer. Write (JSON );
<A class = "array">
<E type = "Number"> 1 </E>
<E type = "Number"> 2 </E>
<E type = "Number"> 3 </E>
</A>

7. XML to JSON
<A class = "array">
<E type = "function" Params = "I, j">
Return matrix [I] [J];
</E>
</A>
<A class = "array">
<E type = "function" Params = "I, j">
Return matrix [I] [J];
</E>
</A>

Jsonarray JSON = (jsonarray) xmlserializer. Read (XML );
System. Out. println (JSON );
// Prints [function (I, j) {return matrix [I] [J];}]