org.swat.json.utils

Class JsonUtilCH

java.lang.Object

org.swat.json.utils.JsonUtilCH

All Implemented Interfaces:

JsonUtil

public class JsonUtilCH
extends Object
implements JsonUtil

The Utilities for Json. In encapsulates ObjectMapper and provides additional method to deal with Json It is immutable

Author:

Swatantra Agrawal on 02-JUN-2018

Constructor Summary

Constructors

Constructor and Description
JsonUtilCH() Instantiates a new Json util.
JsonUtilCH(org.codehaus.jackson.map.ObjectMapper objectMapper) Instantiates a new Json util ch.

Method Summary

Modifier and Type	Method and Description
String	pretty(Object object) Returns prettified json of the object
<T> List<T>	readList(InputStream stream, Class<T> clazz) Parses the json to List of desired type
<T> List<T>	readList(String json, Class<T> clazz) Parses the json to List of desired type
<K,V> Map<K,V>	readMap(String json, Class<K> keyClass, Class<V> valueClass) Parses the json to Map of desired type
<T> T	readObject(InputStream jsonStream, Class<T> clazz) Parses the json to desired type
<T> T	readObject(String json, Class<T> clazz) Reads json as Object
String	toJsonString(Object object) Method convert to json string for the input object

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonUtilCH

public JsonUtilCH()

Instantiates a new Json util.

JsonUtilCH

public JsonUtilCH(org.codehaus.jackson.map.ObjectMapper objectMapper)

Instantiates a new Json util ch.

Parameters:

objectMapper - the object mapper

Method Detail

readObject

public <T> T readObject(InputStream jsonStream,
                        Class<T> clazz)
                 throws CoreRtException

Description copied from interface: JsonUtil

Parses the json to desired type

Specified by:

readObject in interface JsonUtil

Type Parameters:

T - Generics

Parameters:

jsonStream - The input stream

clazz - The Object type

Returns:

The parsed Object.

Throws:

CoreRtException - in case of any Exception

readList

public <T> List<T> readList(InputStream stream,
                            Class<T> clazz)
                     throws CoreRtException

Description copied from interface: JsonUtil

Parses the json to List of desired type

Specified by:

readList in interface JsonUtil

Type Parameters:

T - Generics

Parameters:

stream - The JSON stream

clazz - The Object type

Returns:

The parsed List.

Throws:

CoreRtException - in case of any Exception

readList

public <T> List<T> readList(String json,
                            Class<T> clazz)
                     throws CoreRtException

Description copied from interface: JsonUtil

Parses the json to List of desired type

Specified by:

readList in interface JsonUtil

Type Parameters:

T - Generics

Parameters:

json - The JSON

clazz - The Object type

Returns:

The parsed List.

Throws:

CoreRtException - in case of any Exception

readMap

public <K,V> Map<K,V> readMap(String json,
                              Class<K> keyClass,
                              Class<V> valueClass)
                       throws CoreRtException

Description copied from interface: JsonUtil

Parses the json to Map of desired type

Specified by:

readMap in interface JsonUtil

Type Parameters:

K - Generics

V - Generics

Parameters:

json - The JSON

keyClass - The Key Type

valueClass - The Value Type

Returns:

The parsed Map.

Throws:

CoreRtException - in case of any Exception

toJsonString

public String toJsonString(Object object)
                    throws CoreRtException

Description copied from interface: JsonUtil

Method convert to json string for the input object

Specified by:

toJsonString in interface JsonUtil

Parameters:

object - Object - The input object

Returns:

String - The output json string

Throws:

CoreRtException - in case of any Exception

readObject

public <T> T readObject(String json,
                        Class<T> clazz)
                 throws CoreRtException

Description copied from interface: JsonUtil

Reads json as Object

Specified by:

readObject in interface JsonUtil

Type Parameters:

T - Generics

Parameters:

json - The json

clazz - The class of Object

Returns:

The object

Throws:

CoreRtException - in case of any Exception

pretty

public String pretty(Object object)
              throws CoreRtException

Description copied from interface: JsonUtil

Returns prettified json of the object

Specified by:

pretty in interface JsonUtil

Parameters:

object - The object

Returns:

The prettified json

Throws:

CoreRtException - in case of any Exception