blade.kit.json

类 JSONObject

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap

blade.kit.json.JSONObject

所有已实现的接口:

JSONAware, JSONStreamAware, Serializable, Cloneable, Map

public class JSONObject
extends HashMap
implements Map, JSONAware, JSONStreamAware

A JSON object. Key value pairs are unordered. JSONObject supports java.util.Map interface.

作者:

FangYidong

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

从接口继承的嵌套类/接口 java.util.Map

Map.Entry<K,V>

构造器概要

构造器

构造器和说明
JSONObject()
JSONObject(Map map) Allows creation of a JSONObject from a Map.

方法概要

限定符和类型	方法和说明
static String	escape(String s) Escape quotes, \, /, \r, \n, \b, \f, \t and other control characters (U+0000 through U+001F).
Object	get(String key)
BigDecimal	getBigDecimal(String key) Get the BigDecimal value associated with a key.
BigInteger	getBigInteger(String key) Get the BigInteger value associated with a key.
boolean	getBoolean(String key) Get the boolean value associated with a key.
double	getDouble(String key) Get the double value associated with a key.
int	getInt(String key)
JSONArray	getJSONArray(String key)
JSONObject	getJSONObject(String key)
long	getLong(String key)
String	getString(String key)
JSONObject	put(Object key, Object value)
JSONObject	put(String key, Object value)
static String	quote(String string)
static Writer	quote(String string, Writer w)
String	toJSONString()
static String	toJSONString(Map map) Convert a map to JSON text.
String	toString()
static String	toString(String key, Object value)
static void	writeJSONString(Map map, Writer out) Encode a map into JSON text and write it to out.
void	writeJSONString(Writer out) write JSON string to out.

从类继承的方法 java.util.HashMap

clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

从类继承的方法 java.util.AbstractMap

equals, hashCode

从类继承的方法 java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

从接口继承的方法 java.util.Map

clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

构造器详细资料

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.

参数:

map -

方法详细资料

put

public JSONObject put(String key,
                      Object value)

put

public JSONObject put(Object key,
                      Object value)

指定者:

put 在接口中 Map

覆盖:

put 在类中 HashMap

get

public Object get(String key)
           throws JSONException

抛出:

JSONException

getString

public String getString(String key)
                 throws JSONException

抛出:

JSONException

getInt

public int getInt(String key)
           throws JSONException

抛出:

JSONException

getBoolean

public boolean getBoolean(String key)
                   throws JSONException

Get the boolean value associated with a key.

参数:

key - A key string.

返回:

The truth.

抛出:

JSONException - if the value is not a Boolean or the String "true" or "false".

getBigInteger

public BigInteger getBigInteger(String key)
                         throws JSONException

Get the BigInteger value associated with a key.

参数:

key - A key string.

返回:

The numeric value.

抛出:

JSONException - if the key is not found or if the value cannot be converted to BigInteger.

getBigDecimal

public BigDecimal getBigDecimal(String key)
                         throws JSONException

Get the BigDecimal value associated with a key.

参数:

key - A key string.

返回:

The numeric value.

抛出:

JSONException - if the key is not found or if the value cannot be converted to BigDecimal.

getDouble

public double getDouble(String key)
                 throws JSONException

Get the double value associated with a key.

参数:

key - A key string.

返回:

The numeric value.

抛出:

JSONException - if the key is not found or if the value is not a Number object and cannot be converted to a number.

getJSONArray

public JSONArray getJSONArray(String key)
                       throws JSONException

抛出:

JSONException

getJSONObject

public JSONObject getJSONObject(String key)
                         throws JSONException

抛出:

JSONException

getLong

public long getLong(String key)
             throws JSONException

抛出:

JSONException

quote

public static String quote(String string)

quote

public static Writer quote(String string,
                           Writer w)
                    throws IOException

抛出:

IOException

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.

参数:

map -

out -

抛出:

IOException

另请参阅:

blade.kit.json2.JSONValue#writeJSONString(Object, Writer)

writeJSONString

public void writeJSONString(Writer out)
                     throws IOException

从接口复制的说明: JSONStreamAware

write JSON string to out.

指定者:

writeJSONString 在接口中 JSONStreamAware

抛出:

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.

参数:

map -

返回:

JSON text, or "null" if map is null.

另请参阅:

blade.kit.json2.JSONValue#toJSONString(Object)

toJSONString

public String toJSONString()

指定者:

toJSONString 在接口中 JSONAware

返回:

JSON text

toString

public String toString()

覆盖:

toString 在类中 AbstractMap

toString

public static String toString(String key,
                              Object value)

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.

参数:

s -

返回:

另请参阅:

blade.kit.json2.JSONValue#escape(String)