Package io.mosip.mimoto.util

Class JsonUtil

java.lang.Object

io.mosip.mimoto.util.JsonUtil

public class JsonUtil
extends Object

This class provides JSON utilites.

Since:

0.0.1

Author:

Pranav Kumar

Method Summary

Modifier and Type	Method	Description
static org.json.simple.JSONArray	getJSONArray(org.json.simple.JSONObject jsonObject, Object key)	This method returns JSONArray from JSONObject.
static org.json.simple.JSONObject	getJSONObject(org.json.simple.JSONObject jsonObject, Object key)	This method returns the Json Object as value from identity.json object(JSONObject).
static org.json.simple.JSONObject	getJSONObjectFromArray(org.json.simple.JSONArray jsonObject, int key)	Iterates the JSONArray and returns JSONObject for given index.
static <T> T	getJSONValue(org.json.simple.JSONObject jsonObject, String key)	Gets the JSON value.
static JsonValue[]	getJsonValues(org.json.simple.JSONObject demographicIdentity, Object identityKey)	Gets the json values.
static Object	inputStreamtoJavaObject(InputStream stream, Class<?> clazz)	This method converts InputStream to JavaObject.
static <T> T[]	mapJsonNodeToJavaObject(Class<? extends Object> genericType, org.json.simple.JSONArray demographicJsonNode)	Map json node to java object.
static String	objectMapperObjectToJson(Object obj)
static <T> T	objectMapperReadValue(String jsonString, Class<?> clazz)	Object mapper read value.
static <T> T	readValue(String jsonString, Class<?> clazz)	Object mapper read value.
static String	writeValueAsString(Object obj)

Methods inherited from class java.lang.Object

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

Method Detail

inputStreamtoJavaObject

public static Object inputStreamtoJavaObject(InputStream stream,
                                             Class<?> clazz)
                                      throws UnsupportedEncodingException

This method converts InputStream to JavaObject.

Parameters:

stream - The stream that needs to be converted

clazz - The class to which conversion is required

Returns:

The converted Java object

Throws:

UnsupportedEncodingException - the unsupported encoding exception

com.google.gson.JsonSyntaxException - the json syntax exception

com.google.gson.JsonIOException - the json IO exception

getJSONObject

public static org.json.simple.JSONObject getJSONObject(org.json.simple.JSONObject jsonObject,
                                                       Object key)

This method returns the Json Object as value from identity.json object(JSONObject). jsonObject -> then identity demographic json object key -> demographic json label name EX:- demographicIdentity : { "identity" : { "fullName" : [ { "language" : "eng", "value" : "Taleev Aalam" }, { "language": "ara", "value" : "Taleev Aalam" } ] } method call :- getJSONObject(demographicIdentity,identity)

Parameters:

jsonObject - the json object

key - the key

Returns:

the JSON object

getJSONArray

public static org.json.simple.JSONArray getJSONArray(org.json.simple.JSONObject jsonObject,
                                                     Object key)

This method returns JSONArray from JSONObject. argument 'jsonObject' -> demographic identity json as JSONObject. argument key -> label name of demographic identity json. Ex:- "identity" : { "fullName" : [ { "language" : "eng", "value" : "Taleev Aalam" }, { "language" : "ara", "value" : "Taleev Aalam" } ] }

Parameters:

jsonObject - the json object

key - the key

Returns:

the JSON array

writeValueAsString

public static String writeValueAsString(Object obj)
                                 throws IOException

Throws:

IOException

readValue

public static <T> T readValue(String jsonString,
                              Class<?> clazz)
                       throws IOException

Object mapper read value. This method maps the jsonString to particular type

Type Parameters:

T - the generic type

Parameters:

jsonString - the json string

clazz - the clazz

Returns:

the t

Throws:

com.fasterxml.jackson.core.JsonParseException - the json parse exception

com.fasterxml.jackson.databind.JsonMappingException - the json mapping exception

IOException - Signals that an I/O exception has occurred.

getJSONValue

public static <T> T getJSONValue(org.json.simple.JSONObject jsonObject,
                                 String key)

Gets the JSON value.

Type Parameters:

T - the generic type

Parameters:

jsonObject - the json object

key - the key

Returns:

the JSON value

getJSONObjectFromArray

public static org.json.simple.JSONObject getJSONObjectFromArray(org.json.simple.JSONArray jsonObject,
                                                                int key)

Iterates the JSONArray and returns JSONObject for given index.

Parameters:

jsonObject - the json object

key - the key

Returns:

the JSON object

objectMapperReadValue

public static <T> T objectMapperReadValue(String jsonString,
                                          Class<?> clazz)
                                   throws IOException

Object mapper read value. This method maps the jsonString to particular type

Type Parameters:

T - the generic type

Parameters:

jsonString - the json string

clazz - the clazz

Returns:

the t

Throws:

com.fasterxml.jackson.core.JsonParseException - the json parse exception

com.fasterxml.jackson.databind.JsonMappingException - the json mapping exception

IOException - Signals that an I/O exception has occurred.

getJsonValues

public static JsonValue[] getJsonValues(org.json.simple.JSONObject demographicIdentity,
                                        Object identityKey)

Gets the json values. Returns JsonValue[] java array for the particular key in demographic json.

Parameters:

identityKey - the identity key

Returns:

the json values

mapJsonNodeToJavaObject

public static <T> T[] mapJsonNodeToJavaObject(Class<? extends Object> genericType,
                                              org.json.simple.JSONArray demographicJsonNode)

Map json node to java object.

Type Parameters:

T - the generic type

Parameters:

genericType - the generic type

demographicJsonNode - the demographic json node

Returns:

the t[]

objectMapperObjectToJson

public static String objectMapperObjectToJson(Object obj)
                                       throws IOException

Throws:

IOException