Package org.json.simple
Class JSONObject
- java.lang.Object
-
- java.util.AbstractMap<K,V>
-
- java.util.HashMap
-
- org.json.simple.JSONObject
-
- All Implemented Interfaces:
Serializable
,Cloneable
,Map
,JSONAware
,JSONStreamAware
public class JSONObject extends HashMap implements Map, JSONAware, JSONStreamAware
A JSON object. Key value pairs are unordered. JSONObject supports java.util.Map interface.- Author:
- FangYidong
- See Also:
- Serialized Form
-
-
Nested Class Summary
-
Nested classes/interfaces inherited from class java.util.AbstractMap
AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>
-
-
Constructor Summary
Constructors Constructor Description JSONObject()
JSONObject(Map map)
Allows creation of a JSONObject from a Map.
-
Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static String
escape(String s)
Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F).String
toJSONString()
static String
toJSONString(Map map)
Convert a map to JSON text.String
toString()
static String
toString(String key, Object value)
void
writeJSONString(Writer out)
write JSON string to out.static void
writeJSONString(Map map, Writer out)
Encode a map into JSON text and write it to out.-
Methods inherited from class java.util.HashMap
clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values
-
Methods inherited from class java.util.AbstractMap
equals, hashCode
-
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
-
Methods inherited from interface java.util.Map
clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values
-
-
-
-
Constructor Detail
-
JSONObject
public JSONObject()
-
JSONObject
public JSONObject(Map map)
Allows creation of a JSONObject from a Map. After that, both the generated JSONObject and the Map can be modified independently.- Parameters:
map
-
-
-
Method Detail
-
writeJSONString
public static void writeJSONString(Map map, Writer out) throws IOException
Encode a map into JSON text and write it to out. If this map is also a JSONAware or JSONStreamAware, JSONAware or JSONStreamAware specific behaviours will be ignored at this top level.- Parameters:
map
-out
-- Throws:
IOException
- See Also:
JSONValue.writeJSONString(Object, Writer)
-
writeJSONString
public void writeJSONString(Writer out) throws IOException
Description copied from interface:JSONStreamAware
write JSON string to out.- Specified by:
writeJSONString
in interfaceJSONStreamAware
- Throws:
IOException
-
toJSONString
public static String toJSONString(Map map)
Convert a map to JSON text. The result is a JSON object. If this map is also a JSONAware, JSONAware specific behaviours will be omitted at this top level.- Parameters:
map
-- Returns:
- JSON text, or "null" if map is null.
- See Also:
JSONValue.toJSONString(Object)
-
toJSONString
public String toJSONString()
- Specified by:
toJSONString
in interfaceJSONAware
- Returns:
- JSON text
-
toString
public String toString()
- Overrides:
toString
in classAbstractMap
-
escape
public static String escape(String s)
Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F). It's the same as JSONValue.escape() only for compatibility here.- Parameters:
s
-- Returns:
- See Also:
JSONValue.escape(String)
-
-