ch.ralscha.extdirectspring.util

Class JsonHandler

java.lang.Object

ch.ralscha.extdirectspring.util.JsonHandler

@Component
public class JsonHandler
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
JsonHandler()

Method Summary

Methods

Modifier and Type	Method and Description
<T> T	convertValue(java.lang.Object object, java.lang.Class<T> clazz)
<T> T	readValue(java.lang.String json, java.lang.Class<T> clazz) Creates a object from a json String.
<T> T	readValue(java.lang.String json, org.codehaus.jackson.type.TypeReference<T> typeReference) Creates a object from a json String.
void	setIndentMapper(org.codehaus.jackson.map.ObjectMapper indentMapper)
void	setMapper(org.codehaus.jackson.map.ObjectMapper mapper)
java.lang.String	writeValueAsString(java.lang.Object obj) Converts a object into a String containing the json representation of this object.
java.lang.String	writeValueAsString(java.lang.Object obj, boolean indent) Converts a object into a String containing the json representation of this object.

Methods inherited from class java.lang.Object

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

Constructor Detail

JsonHandler

public JsonHandler()

Method Detail

setMapper

public void setMapper(org.codehaus.jackson.map.ObjectMapper mapper)

setIndentMapper

public void setIndentMapper(org.codehaus.jackson.map.ObjectMapper indentMapper)

writeValueAsString

public java.lang.String writeValueAsString(java.lang.Object obj)

Converts a object into a String containing the json representation of this object. In case of an exception returns null and logs the exception.

Parameters:

obj - the object to serialize into json

Returns:

obj in json format

writeValueAsString

public java.lang.String writeValueAsString(java.lang.Object obj,
                                  boolean indent)

Converts a object into a String containing the json representation of this object. In case of an exceptions returns null and logs the exception.

Parameters:

obj - the object to serialize into json

indent - if false writes json on one line

Returns:

obj in json format, null if there is an exception

readValue

public <T> T readValue(java.lang.String json,
              org.codehaus.jackson.type.TypeReference<T> typeReference)

Creates a object from a json String. In case of an exception returns null and logs the exception.

Type Parameters:

T - type of the object to create

Parameters:

json - String with the json

typeReference - TypeReference instance of the desired result type TypeReference

Returns:

the created object, null if there is an exception

readValue

public <T> T readValue(java.lang.String json,
              java.lang.Class<T> clazz)

Creates a object from a json String. In case of an exception returns null and logs the exception.

Type Parameters:

T - type of the object to create

Parameters:

json - String with the json

clazz - Class of object to create

Returns:

the created object, null if there is an exception

convertValue

public <T> T convertValue(java.lang.Object object,
                 java.lang.Class<T> clazz)