org.apache.synapse.util

Class JSONMergeUtils

java.lang.Object

org.apache.synapse.util.JSONMergeUtils

public class JSONMergeUtils
extends Object

This utility class contains various methods related to merging and manipulating JSON elements.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JSONMergeUtils.ConflictStrategy

Constructor Summary

Constructors

Constructor and Description
JSONMergeUtils()

Method Summary

Modifier and Type	Method and Description
static int	count(com.google.gson.JsonArray array, com.google.gson.JsonElement element) Count given elements in array.
static void	extendJSONObject(com.google.gson.JsonObject destinationObject, JSONMergeUtils.ConflictStrategy conflictResolutionStrategy, com.google.gson.JsonObject... jsonObjects) Extends a particular JSON Object by merging multiple objects under a given conflict resolution strategy.
static com.google.gson.JsonObject	extendJSONObject(com.google.gson.JsonObject sourceObj, com.google.gson.JsonObject targetObj) Merges a source JSON object into a target JSON object.
static com.google.gson.JsonArray	getJsonArray(String jsonString) Convert a string to JSON Array.
static com.google.gson.JsonObject	getJsonObject(String jsonString) Creates a JSON object from a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

JSONMergeUtils

public JSONMergeUtils()

Method Detail

extendJSONObject

public static void extendJSONObject(com.google.gson.JsonObject destinationObject,
                                    JSONMergeUtils.ConflictStrategy conflictResolutionStrategy,
                                    com.google.gson.JsonObject... jsonObjects)
                             throws JSONObjectExtensionException

Extends a particular JSON Object by merging multiple objects under a given conflict resolution strategy.

Parameters:

destinationObject - Destination JSON Object.

conflictResolutionStrategy - Conflict resolution strategy.

jsonObjects - JSON Objects to be merged.

Throws:

JSONObjectExtensionException

extendJSONObject

public static com.google.gson.JsonObject extendJSONObject(com.google.gson.JsonObject sourceObj,
                                                          com.google.gson.JsonObject targetObj)

Merges a source JSON object into a target JSON object. 1. If fields have equal names, merge recursively. 2. Null values in source will remove the field from the target. 3. Override target values with source values 4. Keys not supplied in source will remain unchanged in target

Parameters:

sourceObj - Source JSON Object.

targetObj - Target JSON Object.

Returns:

Target JSON Object.

Throws:

UnsupportedOperationException

getJsonObject

public static com.google.gson.JsonObject getJsonObject(String jsonString)

Creates a JSON object from a string.

Parameters:

jsonString - JSON object as a string.

Returns:

JSON Object

getJsonArray

public static com.google.gson.JsonArray getJsonArray(String jsonString)

Convert a string to JSON Array.

Parameters:

jsonString - JSON array as string.

Returns:

JSON array.

count

public static int count(com.google.gson.JsonArray array,
                        com.google.gson.JsonElement element)

Count given elements in array.

Parameters:

element - Element to find.

Returns:

Amount of given elements in array.