org.swat.json.utils

Interface JsonUtil

All Known Implementing Classes:

JsonUtilCH, JsonUtilFX

public interface 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

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

Method Detail

readObject

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

Parses the json to desired type

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

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

Parses the json to List of desired type

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

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

Parses the json to List of desired type

Type Parameters:

T - Generics

Parameters:

json - The JSON

clazz - The Object type

Returns:

The parsed List.

Throws:

CoreRtException - in case of any Exception

readMap

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

Parses the json to Map of desired type

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

String toJsonString(Object object)
             throws CoreRtException

Method convert to json string for the input object

Parameters:

object - Object - The input object

Returns:

String - The output json string

Throws:

CoreRtException - in case of any Exception

readObject

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

Reads json as Object

Type Parameters:

T - Generics

Parameters:

json - The json

clazz - The class of Object

Returns:

The object

Throws:

CoreRtException - in case of any Exception

pretty

String pretty(Object object)
       throws CoreRtException

Returns prettified json of the object

Parameters:

object - The object

Returns:

The prettified json

Throws:

CoreRtException - in case of any Exception