org.springframework.integration.handler

Class ExpressionCommandMessageProcessor

java.lang.Object

org.springframework.integration.util.AbstractExpressionEvaluator

org.springframework.integration.handler.AbstractMessageProcessor<Object>

org.springframework.integration.handler.ExpressionCommandMessageProcessor

All Implemented Interfaces:

Aware, BeanFactoryAware, InitializingBean, MessageProcessor<Object>

public class ExpressionCommandMessageProcessor
extends AbstractMessageProcessor<Object>

A MessageProcessor implementation that expects an Expression or expressionString as the Message payload. When processing, it simply evaluates that expression.

Since:

2.0

Author:

Dave Syer, Mark Fisher, Gary Russell

Constructor Summary

Constructors

Constructor and Description
ExpressionCommandMessageProcessor()
ExpressionCommandMessageProcessor(MethodFilter methodFilter)
ExpressionCommandMessageProcessor(MethodFilter methodFilter, BeanFactory beanFactory)

Method Summary

Methods

Modifier and Type	Method and Description
Object	processMessage(Message<?> message) Evaluates the Message payload expression as a command.

Methods inherited from class org.springframework.integration.util.AbstractExpressionEvaluator

afterPropertiesSet, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, evaluateExpression, getEvaluationContext, getEvaluationContext, getMessageBuilderFactory, setBeanFactory, setConversionService

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionCommandMessageProcessor

public ExpressionCommandMessageProcessor()

ExpressionCommandMessageProcessor

public ExpressionCommandMessageProcessor(MethodFilter methodFilter)

ExpressionCommandMessageProcessor

public ExpressionCommandMessageProcessor(MethodFilter methodFilter,
                                 BeanFactory beanFactory)

Method Detail

processMessage

public Object processMessage(Message<?> message)

Evaluates the Message payload expression as a command.

Specified by:

processMessage in interface MessageProcessor<Object>

Specified by:

processMessage in class AbstractMessageProcessor<Object>

Parameters:

message - The message to process.

Returns:

The result.

Throws:

IllegalArgumentException - if the payload is not an Exception or String