org.springframework.integration.handler
Class ExpressionEvaluatingMessageProcessor

java.lang.Object
  org.springframework.integration.handler.AbstractMessageProcessor
      org.springframework.integration.handler.ExpressionEvaluatingMessageProcessor

All Implemented Interfaces:

BeanFactoryAware, MessageProcessor

public class ExpressionEvaluatingMessageProcessor
extends AbstractMessageProcessor
implements BeanFactoryAware

A MessageProcessor implementation that evaluates a SpEL expression with the Message itself as the root object within the evaluation context.

Since:

2.0

Author:

Mark Fisher

Constructor Summary

ExpressionEvaluatingMessageProcessor(String expression)
Create an ExpressionEvaluatingMessageProcessor for the given expression String.

Method Summary

Object	processMessage(Message<?> message) Processes the Message by evaluating the expression with that Message as the root object.
void	setBeanFactory(BeanFactory beanFactory) Specify a BeanFactory in order to enable resolution via @beanName in the expression.
void	setExpectedType(Class<?> expectedType) Set the result type expected from evaluation of the expression.

Methods inherited from class org.springframework.integration.handler.AbstractMessageProcessor

evaluateExpression, getEvaluationContext, setConversionService

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionEvaluatingMessageProcessor

public ExpressionEvaluatingMessageProcessor(String expression)

Create an ExpressionEvaluatingMessageProcessor for the given expression String.

Method Detail

setExpectedType

public void setExpectedType(Class<?> expectedType)

Set the result type expected from evaluation of the expression.

setBeanFactory

public void setBeanFactory(BeanFactory beanFactory)

Specify a BeanFactory in order to enable resolution via @beanName in the expression.

Specified by:

setBeanFactory in interface BeanFactoryAware

processMessage

public Object processMessage(Message<?> message)

Processes the Message by evaluating the expression with that Message as the root object. The expression evaluation result Object will be returned.

Specified by:

processMessage in interface MessageProcessor