Spring Integration

org.springframework.integration.json
Class ObjectToJsonTransformer

java.lang.Object
  extended by org.springframework.integration.context.IntegrationObjectSupport
      extended by org.springframework.integration.transformer.AbstractTransformer
          extended by org.springframework.integration.json.ObjectToJsonTransformer
All Implemented Interfaces:
org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.InitializingBean, NamedComponent, Transformer

public class ObjectToJsonTransformer
extends AbstractTransformer

Transformer implementation that converts a payload instance into a JSON string representation.

Since:
2.0
Author:
Mark Fisher, James Carr, Oleg Zhurakousky

Field Summary
static java.lang.String JSON_CONTENT_TYPE
           
 
Fields inherited from class org.springframework.integration.context.IntegrationObjectSupport
logger
 
Constructor Summary
ObjectToJsonTransformer()
           
ObjectToJsonTransformer(org.codehaus.jackson.map.ObjectMapper objectMapper)
           
 
Method Summary
protected  java.lang.Object doTransform(Message<?> message)
          Subclasses must implement this method to provide the transformation logic.
 void setContentType(java.lang.String contentType)
          Sets the content-type header value
 
Methods inherited from class org.springframework.integration.transformer.AbstractTransformer
transform
 
Methods inherited from class org.springframework.integration.context.IntegrationObjectSupport
afterPropertiesSet, getBeanFactory, getComponentName, getComponentType, getConversionService, getTaskScheduler, onInit, setBeanFactory, setBeanName, setComponentName, setConversionService, setTaskScheduler, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

JSON_CONTENT_TYPE

public static final java.lang.String JSON_CONTENT_TYPE
See Also:
Constant Field Values
Constructor Detail

ObjectToJsonTransformer

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

ObjectToJsonTransformer

public ObjectToJsonTransformer()
Method Detail

setContentType

public void setContentType(java.lang.String contentType)
Sets the content-type header value

Parameters:
contentType -

doTransform

protected java.lang.Object doTransform(Message<?> message)
                                throws java.lang.Exception
Description copied from class: AbstractTransformer
Subclasses must implement this method to provide the transformation logic. If the return value is itself a Message, it will be used as the result. Otherwise, any non-null return value will be used as the payload of the result Message.

Specified by:
doTransform in class AbstractTransformer
Throws:
java.lang.Exception

Spring Integration