cn.trinea.android.common.util

Class JSONUtils

java.lang.Object

cn.trinea.android.common.util.JSONUtils

public class JSONUtils
extends java.lang.Object

Json Utils

Author:

Trinea 2012-5-12

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	isPrintException

Constructor Summary

Constructors

Constructor and Description
JSONUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static boolean	getBoolean(JSONObject jsonObject, java.lang.String key, java.lang.Boolean defaultValue) get Boolean from jsonObject
static double	getDouble(JSONObject jsonObject, java.lang.String key, double defaultValue)
static java.lang.Double	getDouble(JSONObject jsonObject, java.lang.String key, java.lang.Double defaultValue) get Double from jsonObject
static int	getInt(JSONObject jsonObject, java.lang.String key, int defaultValue)
static java.lang.Integer	getInt(JSONObject jsonObject, java.lang.String key, java.lang.Integer defaultValue) get Int from jsonObject
static JSONArray	getJSONArray(JSONObject jsonObject, java.lang.String key, JSONArray defaultValue) get JSONArray from jsonObject
static JSONArray	getJSONArray(java.lang.String jsonData, java.lang.String key, JSONArray defaultValue) get JSONArray from jsonData
static JSONObject	getJSONObject(JSONObject jsonObject, java.lang.String key, JSONObject defaultValue) get JSONObject from jsonObject
static JSONObject	getJSONObject(java.lang.String jsonData, java.lang.String key, JSONObject defaultValue) get JSONObject from jsonData
static long	getLong(JSONObject jsonObject, java.lang.String key, long defaultValue)
static java.lang.Long	getLong(JSONObject jsonObject, java.lang.String key, java.lang.Long defaultValue) get Long from jsonObject
static java.util.Map<java.lang.String,java.lang.String>	getMap(JSONObject jsonObject, java.lang.String key) get map from jsonObject.
static java.lang.String	getString(JSONObject jsonObject, java.lang.String key, java.lang.String defaultValue) get String from jsonObject
static java.lang.String[]	getStringArray(JSONObject jsonObject, java.lang.String key, java.lang.String[] defaultValue) get String array from jsonObject
static java.util.Map<java.lang.String,java.lang.String>	parseKeyAndValueToMap(JSONObject sourceObj) parse key-value pairs to map. ignore empty key, if getValue exception, put empty value

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

isPrintException

public static boolean isPrintException

Constructor Detail

JSONUtils

public JSONUtils()

Method Detail

getLong

public static java.lang.Long getLong(JSONObject jsonObject,
                     java.lang.String key,
                     java.lang.Long defaultValue)

get Long from jsonObject

Parameters:

jsonObject -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if key is null or empty, return defaultValue
• if JSONObject#getLong(String) exception, return defaultValue
• return JSONObject#getLong(String)

getLong

public static long getLong(JSONObject jsonObject,
           java.lang.String key,
           long defaultValue)

Parameters:

jsonObject -

key -

defaultValue -

Returns:

See Also:

getLong(JSONObject, String, Long)

getInt

public static java.lang.Integer getInt(JSONObject jsonObject,
                       java.lang.String key,
                       java.lang.Integer defaultValue)

get Int from jsonObject

Parameters:

jsonObject -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if key is null or empty, return defaultValue
• if JSONObject#getInt(String) exception, return defaultValue
• return JSONObject#getInt(String)

getInt

public static int getInt(JSONObject jsonObject,
         java.lang.String key,
         int defaultValue)

Parameters:

jsonObject -

key -

defaultValue -

Returns:

See Also:

getInt(JSONObject, String, Integer)

getDouble

public static java.lang.Double getDouble(JSONObject jsonObject,
                         java.lang.String key,
                         java.lang.Double defaultValue)

get Double from jsonObject

Parameters:

jsonObject -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if key is null or empty, return defaultValue
• if JSONObject#getDouble(String) exception, return defaultValue
• return JSONObject#getDouble(String)

getDouble

public static double getDouble(JSONObject jsonObject,
               java.lang.String key,
               double defaultValue)

Parameters:

jsonObject -

key -

defaultValue -

Returns:

See Also:

getDouble(JSONObject, String, Double)

getString

public static java.lang.String getString(JSONObject jsonObject,
                         java.lang.String key,
                         java.lang.String defaultValue)

get String from jsonObject

Parameters:

jsonObject -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if key is null or empty, return defaultValue
• if JSONObject#getString(String) exception, return defaultValue
• return JSONObject#getString(String)

getStringArray

public static java.lang.String[] getStringArray(JSONObject jsonObject,
                                java.lang.String key,
                                java.lang.String[] defaultValue)

get String array from jsonObject

Parameters:

jsonObject -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if key is null or empty, return defaultValue
• if JSONObject#getJSONArray(String) exception, return defaultValue
• if JSONArray#getString(int) exception, return defaultValue
• return string array

getJSONObject

public static JSONObject getJSONObject(JSONObject jsonObject,
                       java.lang.String key,
                       JSONObject defaultValue)

get JSONObject from jsonObject

Parameters:

jsonObject -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if key is null or empty, return defaultValue
• if JSONObject#getJSONObject(String) exception, return defaultValue
• return JSONObject#getJSONObject(String)

getJSONObject

public static JSONObject getJSONObject(java.lang.String jsonData,
                       java.lang.String key,
                       JSONObject defaultValue)

get JSONObject from jsonData

Parameters:

jsonData -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if jsonData JSONObject#JSONObject(String) exception, return defaultValue
• return getJSONObject(JSONObject, String, JSONObject)

getJSONArray

public static JSONArray getJSONArray(JSONObject jsonObject,
                     java.lang.String key,
                     JSONArray defaultValue)

get JSONArray from jsonObject

Parameters:

jsonObject -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if key is null or empty, return defaultValue
• if JSONObject#getJSONArray(String) exception, return defaultValue
• return JSONObject#getJSONArray(String)

getJSONArray

public static JSONArray getJSONArray(java.lang.String jsonData,
                     java.lang.String key,
                     JSONArray defaultValue)

get JSONArray from jsonData

Parameters:

jsonData -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if jsonData JSONObject#JSONObject(String) exception, return defaultValue
• return JSONUtils#getJSONArray(JSONObject, String, JSONObject)

getBoolean

public static boolean getBoolean(JSONObject jsonObject,
                 java.lang.String key,
                 java.lang.Boolean defaultValue)

get Boolean from jsonObject

Parameters:

jsonObject -

key -

defaultValue -

Returns:

• if jsonObject is null, return defaultValue
• if key is null or empty, return defaultValue
• return JSONObject#getBoolean(String)

getMap

public static java.util.Map<java.lang.String,java.lang.String> getMap(JSONObject jsonObject,
                                                      java.lang.String key)

get map from jsonObject.

Parameters:

jsonObject - key-value pairs json

key -

Returns:

• if jsonObject is null, return null
• return JSONUtils#parseKeyAndValueToMap(String)

parseKeyAndValueToMap

public static java.util.Map<java.lang.String,java.lang.String> parseKeyAndValueToMap(JSONObject sourceObj)

parse key-value pairs to map. ignore empty key, if getValue exception, put empty value

Parameters:

sourceObj - key-value pairs json

Returns:

• if sourceObj is null, return null
• else parse entry by MapUtils.putMapNotEmptyKey(Map, String, String) one by one