com.here.account.util

Class JsonSerializer

java.lang.Object

com.here.account.util.JsonSerializer

public class JsonSerializer
extends Object

A jackson-based JSON serializer and deserializer.

Author:

kmccrack

Field Summary

Fields

Modifier and Type	Field and Description
static Charset	CHARSET Constant for the loaded UTF-8 Charset.
static String	CHARSET_STRING The name of the UTF-8 CHARSET.

Constructor Summary

Constructors

Constructor and Description
JsonSerializer()

Method Summary

Modifier and Type	Method and Description
static String	objectToJson(Object object) Converts the input POJO object to its JSON string.
static String	toJson(Map<String,Object> mapObject) Converts the input mapObject to its JSON String representation.
static Map<String,Object>	toMap(InputStream jsonInputStream) Converts the input JSON InputStream, to a Map<String, Object>.
static <T> T	toPojo(InputStream jsonInputStream, Class<T> pojoClass) Converts the input JSON InputStream, to a POJO of the class specified as pojoClass.

Methods inherited from class java.lang.Object

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

Field Detail

CHARSET_STRING

public static final String CHARSET_STRING

The name of the UTF-8 CHARSET.

See Also:

Constant Field Values

CHARSET

public static final Charset CHARSET

Constant for the loaded UTF-8 Charset.

Constructor Detail

JsonSerializer

public JsonSerializer()

Method Detail

toMap

public static Map<String,Object> toMap(InputStream jsonInputStream)
                                throws IOException

Converts the input JSON InputStream, to a Map<String, Object>.

Parameters:

jsonInputStream - the input stream to the JSON object

Returns:

its Map representation

Throws:

IOException - if trouble deserializing

toPojo

public static <T> T toPojo(InputStream jsonInputStream,
                           Class<T> pojoClass)
                    throws com.fasterxml.jackson.core.JsonParseException,
                           com.fasterxml.jackson.databind.JsonMappingException,
                           IOException

Converts the input JSON InputStream, to a POJO of the class specified as pojoClass.

Type Parameters:

T - the type of the POJO

Parameters:

jsonInputStream - the input stream to the JSON object

pojoClass - the class to deserialize into

Returns:

the instance of the pojoClass with member variables populated

Throws:

com.fasterxml.jackson.core.JsonParseException - if trouble parsing

com.fasterxml.jackson.databind.JsonMappingException - if trouble mapping

IOException - if trouble deserializing

toJson

public static String toJson(Map<String,Object> mapObject)
                     throws com.fasterxml.jackson.core.JsonProcessingException

Converts the input mapObject to its JSON String representation.

Parameters:

mapObject - the json's Map representation

Returns:

the JSON String representation of the input.

Throws:

com.fasterxml.jackson.core.JsonProcessingException - if an exception from the jackson serializer

objectToJson

public static String objectToJson(Object object)
                           throws com.fasterxml.jackson.core.JsonProcessingException

Converts the input POJO object to its JSON string.

Parameters:

object - the object to serialize into a JSON string.

Returns:

the JSON string representation of the object.

Throws:

com.fasterxml.jackson.core.JsonProcessingException - if there's trouble serializing object to a JSON string.