com.nimbusds.jose.util
Class JSONObjectUtils

java.lang.Object
  com.nimbusds.jose.util.JSONObjectUtils

public class JSONObjectUtils
extends Object

JSON object helper methods for parsing and typed retrieval of member values.

Version:

$version$ (2013-01-08)

Author:

Vladimir Dzhuvinov

Method Summary

static boolean	getBoolean(net.minidev.json.JSONObject o, String key) Gets a boolean member of a JSON object.
static double	getDouble(net.minidev.json.JSONObject o, String key) Gets a number member of a JSON object as double.
static float	getFloat(net.minidev.json.JSONObject o, String key) Gets a number member of a JSON object float.
static int	getInt(net.minidev.json.JSONObject o, String key) Gets an number member of a JSON object as int.
static net.minidev.json.JSONArray	getJSONArray(net.minidev.json.JSONObject o, String key) Gets a JSON array member of a JSON object.
static net.minidev.json.JSONObject	getJSONObject(net.minidev.json.JSONObject o, String key) Gets a JSON object member of a JSON object.
static long	getLong(net.minidev.json.JSONObject o, String key) Gets a number member of a JSON object as long.
static String	getString(net.minidev.json.JSONObject o, String key) Gets a string member of a JSON object.
static String[]	getStringArray(net.minidev.json.JSONObject o, String key) Gets a string array member of a JSON object.
static URL	getURL(net.minidev.json.JSONObject o, String key) Gets a string member of a JSON object as java.net.URL.
static net.minidev.json.JSONObject	parseJSONObject(String s) Parses a JSON object.

Methods inherited from class java.lang.Object

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

Method Detail

parseJSONObject

public static net.minidev.json.JSONObject parseJSONObject(String s)
                                                   throws ParseException

Parses a JSON object.

Specific JSON to Java entity mapping (as per JSON Smart):

• JSON true|false map to java.lang.Boolean.
• JSON numbers map to java.lang.Number.
  • JSON integer numbers map to long.
  • JSON fraction numbers map to double.
• JSON strings map to java.lang.String.
• JSON arrays map to net.minidev.json.JSONArray.
• JSON objects map to net.minidev.json.JSONObject.

Parameters:

s - The JSON object string to parse. Must not be null.

Returns:

The JSON object.

Throws:

ParseException - If the string cannot be parsed to a valid JSON object.

getBoolean

public static boolean getBoolean(net.minidev.json.JSONObject o,
                                 String key)
                          throws ParseException

Gets a boolean member of a JSON object.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.

getInt

public static int getInt(net.minidev.json.JSONObject o,
                         String key)
                  throws ParseException

Gets an number member of a JSON object as int.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.

getLong

public static long getLong(net.minidev.json.JSONObject o,
                           String key)
                    throws ParseException

Gets a number member of a JSON object as long.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.

getFloat

public static float getFloat(net.minidev.json.JSONObject o,
                             String key)
                      throws ParseException

Gets a number member of a JSON object float.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.

getDouble

public static double getDouble(net.minidev.json.JSONObject o,
                               String key)
                        throws ParseException

Gets a number member of a JSON object as double.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.

getString

public static String getString(net.minidev.json.JSONObject o,
                               String key)
                        throws ParseException

Gets a string member of a JSON object.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.

getURL

public static URL getURL(net.minidev.json.JSONObject o,
                         String key)
                  throws ParseException

Gets a string member of a JSON object as java.net.URL.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.

getJSONArray

public static net.minidev.json.JSONArray getJSONArray(net.minidev.json.JSONObject o,
                                                      String key)
                                               throws ParseException

Gets a JSON array member of a JSON object.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.

getStringArray

public static String[] getStringArray(net.minidev.json.JSONObject o,
                                      String key)
                               throws ParseException

Gets a string array member of a JSON object.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.

getJSONObject

public static net.minidev.json.JSONObject getJSONObject(net.minidev.json.JSONObject o,
                                                        String key)
                                                 throws ParseException

Gets a JSON object member of a JSON object.

Parameters:

o - The JSON object. Must not be null.

key - The JSON object member key. Must not be null.

Returns:

The member value.

Throws:

ParseException - If the value is missing, null or not of the expected type.