JSON — json-lib ——— XML与json互转 实例代码片断（二）

Snippets 

From JSON to XML

1. JSONObject to XML
2. JSONObject to XML (no type hints)
3. JSONObject to XML (with json prefix)
4. JSONObject to XML (change node names)
5. JSONArray to XML
6. JSONArray to XML (no type hints)
7. JSONArray to XML (with json prefix)
8. Flatten JSONArray into parent

From XML to JSON

1. XML to JSONObject

From JSON to XML

JSONObject to XML

String str = "{'name':'JSON','integer':1,'double':2.0,'boolean':true,'nested':{'id':42},'array':[1,2,3]}";
JSON json = JSONSerializer.toJSON( str );
 XMLSerializer xmlSerializer = new XMLSerializer();
String xml = xmlSerializer.write( json );
System.out.println(xml);

String str = "{'name':'JSON','integer':1,'double':2.0,'boolean':true,'nested':{'id':42},'array':[1,2,3]}"; JSON json = JSONSerializer.toJSON( str ); XMLSerializer xmlSerializer = new XMLSerializer(); String xml = xmlSerializer.write( json ); System.out.println(xml);

<?xml version="1.0" encoding="UTF-8"?>
 <o>
    <boolean type="boolean">true</boolean>
    <double type="number">2.0</double>
    <integer type="number">1</integer>
    <name type="string">JSON</name>
    <nested class="object">
       <id type="number">42</id>
    </nested>
    <array class="array">
       <e type="number">1</e>
       <e type="number">2</e>
       <e type="number">3</e>
    </array>
 </o>

<?xml version="1.0" encoding="UTF-8"?> <o> <boolean type="boolean">true</boolean> <double type="number">2.0</double> <integer type="number">1</integer> <name type="string">JSON</name> <nested class="object"> <id type="number">42</id> </nested> <array class="array"> <e type="number">1</e> <e type="number">2</e> <e type="number">3</e> </array> </o> [ Index| From JSON to XML]

JSONObject to XML (no type hints)

String str = "{'name':'JSON','integer':1,'double':2.0,'boolean':true,'nested':{'id':42},'array':[1,2,3]}";
JSON json = JSONSerializer.toJSON( str );
 XMLSerializer xmlSerializer = new XMLSerializer();
 xmlSerializer.setTypeHintsEnabled( false );
String xml = xmlSerializer.write( json );
System.out.println(xml);

String str = "{'name':'JSON','integer':1,'double':2.0,'boolean':true,'nested':{'id':42},'array':[1,2,3]}"; JSON json = JSONSerializer.toJSON( str ); XMLSerializer xmlSerializer = new XMLSerializer(); xmlSerializer.setTypeHintsEnabled( false ); String xml = xmlSerializer.write( json ); System.out.println(xml);

<?xml version="1.0" encoding="UTF-8"?>
 <o>
    <boolean>true</boolean>
    <double>2.0</double>
    <integer>1</integer>
    <name>JSON</name>
    <nested>
       <id>42</id>
    </nested>
    <array>
       <e>1</e>
       <e>2</e>
       <e>3</e>
    </nested>
 </o>

<?xml version="1.0" encoding="UTF-8"?> <o> <boolean>true</boolean> <double>2.0</double> <integer>1</integer> <name>JSON</name> <nested> <id>42</id> </nested> <array> <e>1</e> <e>2</e> <e>3</e> </nested> </o> [ Index| From JSON to XML]

JSONObject to XML (with json prefix)

String str = "{'name':'JSON','integer':1,'double':2.0,'boolean':true,'nested':{'id':42},'array':[1,2,3]}";
JSON json = JSONSerializer.toJSON( str );
 XMLSerializer xmlSerializer = new XMLSerializer();
 xmlSerializer.setTypeHintsCompatibility( false );
String xml = xmlSerializer.write( json );
System.out.println(xml);

String str = "{'name':'JSON','integer':1,'double':2.0,'boolean':true,'nested':{'id':42},'array':[1,2,3]}"; JSON json = JSONSerializer.toJSON( str ); XMLSerializer xmlSerializer = new XMLSerializer(); xmlSerializer.setTypeHintsCompatibility( false ); String xml = xmlSerializer.write( json ); System.out.println(xml);

<?xml version="1.0" encoding="UTF-8"?>
 <o>
    <boolean json_type="boolean">true</boolean>
    <double json_type="number">2.0</double>
    <integer json_type="number">1</integer>
    <name json_type="string">JSON</name>
    <nested json_class="object">
       <id json_type="number">42</id>
    </nested>
    <array json_class="array">
       <e json_type="number">1</e>
       <e json_type="number">2</e>
       <e json_type="number">3</e>
    </array>
 </o>

<?xml version="1.0" encoding="UTF-8"?> <o> <boolean json_type="boolean">true</boolean> <double json_type="number">2.0</double> <integer json_type="number">1</integer> <name json_type="string">JSON</name> <nested json_class="object"> <id json_type="number">42</id> </nested> <array json_class="array"> <e json_type="number">1</e> <e json_type="number">2</e> <e json_type="number">3</e> </array> </o> [ Index| From JSON to XML]

JSONObject to XML (change node names)

String str = "{'name':'JSON','integer':1,'double':2.0,'boolean':true,'nested':{'id':42},'array':[1,2,3]}";
JSON json = JSONSerializer.toJSON( str );
 XMLSerializer xmlSerializer = new XMLSerializer();
 xmlSerializer.setRootName( "root" );
 xmlSerializer.setElementName( "element" );
String xml = xmlSerializer.write( json );
System.out.println(xml);

String str = "{'name':'JSON','integer':1,'double':2.0,'boolean':true,'nested':{'id':42},'array':[1,2,3]}"; JSON json = JSONSerializer.toJSON( str ); XMLSerializer xmlSerializer = new XMLSerializer(); xmlSerializer.setRootName( "root" ); xmlSerializer.setElementName( "element" ); String xml = xmlSerializer.write( json ); System.out.println(xml);

<?xml version="1.0" encoding="UTF-8"?>
 <root>
    <boolean type="boolean">true</boolean>
    <double type="number">2.0</double>
    <integer type="number">1</integer>
    <name type="string">JSON</name>
    <nested class="object">
       <id type="number">42</id>
    </nested>
    <array class="array">
       <element type="number">1</e>
       <element type="number">2</e>
       <element type="number">3</e>
    </array>
 </root>

<?xml version="1.0" encoding="UTF-8"?> <root> <boolean type="boolean">true</boolean> <double type="number">2.0</double> <integer type="number">1</integer> <name type="string">JSON</name> <nested class="object"> <id type="number">42</id> </nested> <array class="array"> <element type="number">1</e> <element type="number">2</e> <element type="number">3</e> </array> </root> [ Index| From JSON to XML]

JSONArray to XML

String str = "['JSON', 1, 2.0, true, {'id':42}, [1,2,3]]";
JSON json = JSONSerializer.toJSON( str );
 XMLSerializer xmlSerializer = new XMLSerializer();
String xml = xmlSerializer.write( json );
System.out.println(xml);

String str = "['JSON', 1, 2.0, true, {'id':42}, [1,2,3]]"; JSON json = JSONSerializer.toJSON( str ); XMLSerializer xmlSerializer = new XMLSerializer(); String xml = xmlSerializer.write( json ); System.out.println(xml);

<?xml version="1.0" encoding="UTF-8"?>
 <a>
    <e type="string">JSON</e>
    <e type="number">1</e>
    <e type="number">2.0</e>
    <e type="boolean">true</e>
    <e class="object">
       <id type="number">42</id>
    </e>
    <e class="array">
       <e type="number">1</e>
       <e type="number">2</e>
       <e type="number">3</e>
    </e>
 </a>

<?xml version="1.0" encoding="UTF-8"?> <a> <e type="string">JSON</e> <e type="number">1</e> <e type="number">2.0</e> <e type="boolean">true</e> <e class="object"> <id type="number">42</id> </e> <e class="array"> <e type="number">1</e> <e type="number">2</e> <e type="number">3</e> </e> </a> [ Index| From JSON to XML]

JSONArray to XML (no type hints)

String str = "['JSON', 1, 2.0, true, {'id':42}, [1,2,3]]";
JSON json = JSONSerializer.toJSON( str );
 XMLSerializer xmlSerializer = new XMLSerializer();
 xmlSerializer.setTypeHintsEnabled( false );
String xml = xmlSerializer.write( json );
System.out.println(xml);

String str = "['JSON', 1, 2.0, true, {'id':42}, [1,2,3]]"; JSON json = JSONSerializer.toJSON( str ); XMLSerializer xmlSerializer = new XMLSerializer(); xmlSerializer.setTypeHintsEnabled( false ); String xml = xmlSerializer.write( json ); System.out.println(xml);

<?xml version="1.0" encoding="UTF-8"?>
 <a>
    <e>JSON</e>
    <e>1</e>
    <e>2.0</e>
    <e>true</e>
    <e>
       <id>42</id>
    </e>
    <e>
       <e>1</e>
       <e>2</e>
       <e>3</e>
    </e>
 </a>

<?xml version="1.0" encoding="UTF-8"?> <a> <e>JSON</e> <e>1</e> <e>2.0</e> <e>true</e> <e> <id>42</id> </e> <e> <e>1</e> <e>2</e> <e>3</e> </e> </a> [ Index| From JSON to XML]

JSONArray to XML (with json prefix)

String str = "['JSON', 1, 2.0, true, {'id':42}, [1,2,3]]";
JSON json = JSONSerializer.toJSON( str );
 XMLSerializer xmlSerializer = new XMLSerializer();
 xmlSerializer.setTypeHintsCompatibility( false );
String xml = xmlSerializer.write( json );
System.out.println(xml);

String str = "['JSON', 1, 2.0, true, {'id':42}, [1,2,3]]"; JSON json = JSONSerializer.toJSON( str ); XMLSerializer xmlSerializer = new XMLSerializer(); xmlSerializer.setTypeHintsCompatibility( false ); String xml = xmlSerializer.write( json ); System.out.println(xml);

<?xml version="1.0" encoding="UTF-8"?>
 <a>
    <e json_type="string">JSON</e>
    <e json_type="number">1</e>
    <e json_type="number">2.0</e>
    <e json_type="boolean">true</e>
    <e json_class="object">
       <id json_type="number">42</id>
    </e>
    <e json_class="array">
       <e json_type="number">1</e>
       <e json_type="number">2</e>
       <e json_type="number">3</e>
    </e>
 </a>

<?xml version="1.0" encoding="UTF-8"?> <a> <e json_type="string">JSON</e> <e json_type="number">1</e> <e json_type="number">2.0</e> <e json_type="boolean">true</e> <e json_class="object"> <id json_type="number">42</id> </e> <e json_class="array"> <e json_type="number">1</e> <e json_type="number">2</e> <e json_type="number">3</e> </e> </a> [ Index| From JSON to XML]

Flatten JSONArray into parent

String str = "{'number': [1,2,3]}";
JSONObject json = (JSONObject) JSONSerializer.toJSON( str );
 XMLSerializer xmlSerializer = new XMLSerializer();
 xmlSerializer.setTypeHintsEnabled( false );
String xml = xmlSerializer.write( json );
System.out.println( xml );
 json.getJSONArray( "number" ).setExpandElements( true );
xml = xmlSerializer.write( json );
System.out.println( xml );

String str = "{'number': [1,2,3]}"; JSONObject json = (JSONObject) JSONSerializer.toJSON( str ); XMLSerializer xmlSerializer = new XMLSerializer(); xmlSerializer.setTypeHintsEnabled( false ); String xml = xmlSerializer.write( json ); System.out.println( xml ); json.getJSONArray( "number" ).setExpandElements( true ); xml = xmlSerializer.write( json ); System.out.println( xml );

<?xml version="1.0" encoding="UTF-8"?>
 <o>
    <number>
       <e>1</e>
       <e>2</e>
       <e>3</e>
    </number>
 </o>

 <?xml version="1.0" encoding="UTF-8"?>
 <o>
    <number>1</number>
    <number>2</number>
    <number>3</number>
 </o>

<?xml version="1.0" encoding="UTF-8"?> <o> <number> <e>1</e> <e>2</e> <e>3</e> </number> </o> <?xml version="1.0" encoding="UTF-8"?> <o> <number>1</number> <number>2</number> <number>3</number> </o> [ Index| From JSON to XML]

From XML to JSON

XML to JSONObject

<o number="1">
   first
    <string>json</string>
    <array>
       <e>1</e>
       <e>true</e>
    </array>
 </o>

<o number="1"> first <string>json</string> <array> <e>1</e> <e>true</e> </array> </o>

String xml = ...
 XMLSerializer xmlSerializer = new XMLSerializer();
JSON json = xmlSerializer.read( xml );
 System.out.println( json.toString(2) );

String xml = ... XMLSerializer xmlSerializer = new XMLSerializer(); JSON json = xmlSerializer.read( xml ); System.out.println( json.toString(2) );

{
   "string": "json",
   "#text": "first",
   "array":   [
     "1",
     "true"
  ],
   "@number": "1"
}

{ "string": "json", "#text": "first", "array": [ "1", "true" ], "@number": "1" } [ Index| From XML to JSON]