connector.common

Class JsonUtil.JsonParser

java.lang.Object

connector.common.JsonUtil.JsonParser

Enclosing class:

JsonUtil

public static class JsonUtil.JsonParser
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
JsonParser()

Method Summary

Modifier and Type	Method and Description
boolean	containsKey(java.lang.String source, java.lang.String key) Returns boolean value if the provided key is present in the supplied JSON source
java.util.Map<java.lang.String,java.lang.Object>	get(java.lang.String source, java.util.Collection<java.lang.String> keys) Returns a Map containing JSON paths indicated by keys as the key and its value, if present, from the JSON source string.
java.lang.Object	get(java.lang.String source, java.lang.String key) Returns the value of the JSON attribute indicated by key from the JSON source string.
java.lang.Boolean	getAsBoolean(java.lang.String source, java.lang.String key) Returns boolean value from the supplied JSON source associated with the provided key
java.util.List<java.lang.Object>	getAsList(java.lang.String source, java.lang.String key) Returns List from the supplied JSON source associated with the provided key
java.lang.Number	getAsNumber(java.lang.String source, java.lang.String key) Returns Number from the supplied JSON source associated with the provided key
java.lang.String	getAsString(java.lang.String source, java.lang.String key) Returns the value of the JSON attribute indicated by key in the JSON source string as String.
boolean	isEmpty(java.lang.String source, java.lang.String key) Returns boolean value for determining the value of the associated object with the provided key in the supplied JSON string is empty or not.
int	length(java.lang.String source) Returns the count of element in the supplied JSON string
java.lang.Object	parseJson(java.lang.String source) Returns Java-equivalent object for the supplied JSON source.
java.lang.Object	parseJson(java.lang.String source, java.lang.Class<?> targetClass) Returns object of type targetClass for the supplied JSON source.
java.lang.String	put(java.lang.String target, java.lang.String key, java.lang.Object value) Associating the specified value with the specified key in the provided JSON target.If the the provided target previously contained a mapping for the key, the oldvalue is replaced.
java.lang.String	remove(java.lang.String target, java.lang.String key) Removes the mapping for the specified key from the provided JSON string target, if present.
java.lang.String	toJson(java.lang.Object source) Converts the JSON source to JSON string and includes null values in the returned JSON string if includeNulls is true.
java.util.List<java.lang.Object>	toList(java.lang.String jsonArraySource) Creates a List from the supplied JSON jsonArraySource.
java.util.Map<java.lang.String,java.lang.Object>	toMap(java.lang.String source) Creates a Map from the supplied JSON source.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonParser

public JsonParser()

Method Detail

toJson

public java.lang.String toJson(java.lang.Object source)

Converts the JSON source to JSON string and includes null values in the returned JSON string if includeNulls is true.

Parameters:

source - Object to convert to JSON form

Returns:

JSON String representation of supplied source object

parseJson

public java.lang.Object parseJson(java.lang.String source)

Returns Java-equivalent object for the supplied JSON source.

Below is the JSON source to Java-equivalent mapping:

JSON Source	Returns
Json Array: [...]	List<Object>
JSON Map: {...}	Map<String, Object>
String, Number, Boolean, primitives	Corresponding Java equivalent class

Parameters:

source - JSON string for conversion

Returns:

Java equivalent Object post JSON conversion

parseJson

public java.lang.Object parseJson(java.lang.String source,
                                  java.lang.Class<?> targetClass)

Returns object of type targetClass for the supplied JSON source.

If targetClass is null, JsonUtil.JsonParser.parseJson(String) will be the default invocation.

Parameters:

source - JSON string for conversion

targetClass - name of the class to which the JSON source should be converted to

Returns:

object to type targetClass, if not null, Java equivalent Object otherwise

toMap

public java.util.Map<java.lang.String,java.lang.Object> toMap(java.lang.String source)

Creates a Map from the supplied JSON source.

Parameters:

source - JSON string for conversion

Returns:

a Map containing JSON key-value pairs

toList

public java.util.List<java.lang.Object> toList(java.lang.String jsonArraySource)

Creates a List from the supplied JSON jsonArraySource.

Parameters:

jsonArraySource - JSON string for conversion

Returns:

a List contains the array elements

get

public java.lang.Object get(java.lang.String source,
                            java.lang.String key)

Returns the value of the JSON attribute indicated by key from the JSON source string.

Parameters:

source - JSON source string

key - key to extract the associated value

Returns:

Object associated with the key in the supplied JSON string

get

public java.util.Map<java.lang.String,java.lang.Object> get(java.lang.String source,
                                                            java.util.Collection<java.lang.String> keys)

Returns a Map containing JSON paths indicated by keys as the key and its value, if present, from the JSON source string.

Parameters:

source - JSON source string

keys - keys to extract the associated value

Returns:

Object associated with the key in the supplied JSON string

getAsString

public java.lang.String getAsString(java.lang.String source,
                                    java.lang.String key)

Returns the value of the JSON attribute indicated by key in the JSON source string as String.

Parameters:

source - JSON source string

key - key to extract the associated value string

Returns:

associated value with the key

getAsNumber

public java.lang.Number getAsNumber(java.lang.String source,
                                    java.lang.String key)

Returns Number from the supplied JSON source associated with the provided key

Parameters:

source - JSON source string

key - key to extract the associated Number

Returns:

associated Number with the provided key

getAsList

public java.util.List<java.lang.Object> getAsList(java.lang.String source,
                                                  java.lang.String key)

Returns List from the supplied JSON source associated with the provided key

Parameters:

source - JSON source string

key - key to extract the associated value

Returns:

associated JSONArray with the provided key as List

getAsBoolean

public java.lang.Boolean getAsBoolean(java.lang.String source,
                                      java.lang.String key)

Returns boolean value from the supplied JSON source associated with the provided key

Parameters:

source - JSON source string

key - key to extract the associated value

Returns:

associated boolean value with the providedkey

containsKey

public boolean containsKey(java.lang.String source,
                           java.lang.String key)

Returns boolean value if the provided key is present in the supplied JSON source

Parameters:

source - JSON source string

key - key to identify the presence

Returns:

true if the key is present in the supplied JSON string , else false

isEmpty

public boolean isEmpty(java.lang.String source,
                       java.lang.String key)

Returns boolean value for determining the value of the associated object with the provided key in the supplied JSON string is empty or not.

Parameters:

source - JSON source string

key - key to identify associating value

Returns:

true if the value of the associated object with the key in the supplied JSON string is empty or not present , else false.

length

public int length(java.lang.String source)

Returns the count of element in the supplied JSON string

Parameters:

source - JSON source string

Returns:

count of the elements in the supplied JSON string

remove

public java.lang.String remove(java.lang.String target,
                               java.lang.String key)

Removes the mapping for the specified key from the provided JSON string target, if present.

Parameters:

target - JSON target string

key - key to be remove from targeted JSON

Returns:

JSON String of updated target JSON string

put

public java.lang.String put(java.lang.String target,
                            java.lang.String key,
                            java.lang.Object value)

Associating the specified value with the specified key in the provided JSON target.If the the provided target previously contained a mapping for the key, the oldvalue is replaced.

Parameters:

target - JSON target string

key - key to be added in target JSON string

value - value to be added in targeted JSON target

Returns:

JSON String with newly added/updated key value pairs