org.apache.servicemix.expression

Class PropertyExpression

java.lang.Object

org.apache.servicemix.expression.PropertyExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

FileExtensionPropertyExpression

public class PropertyExpression
extends java.lang.Object
implements Expression

A simple expression which returns the value of a property on the message.

Version:

$Revision: 451186 $

Constructor Summary

Constructors

Constructor and Description
PropertyExpression()
PropertyExpression(java.lang.String property)
PropertyExpression(java.lang.String property, java.lang.Object defaultValue)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	evaluate(javax.jbi.messaging.MessageExchange exchange, javax.jbi.messaging.NormalizedMessage message) Evaluates the expression on the given exchange and message.
java.lang.Object	getDefaultValue()
java.lang.String	getProperty()
void	setDefaultValue(java.lang.Object defaultValue)
void	setProperty(java.lang.String property)

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyExpression

public PropertyExpression()

PropertyExpression

public PropertyExpression(java.lang.String property)

PropertyExpression

public PropertyExpression(java.lang.String property,
                  java.lang.Object defaultValue)

Method Detail

getDefaultValue

public java.lang.Object getDefaultValue()

Returns:

the defaultValue

setDefaultValue

public void setDefaultValue(java.lang.Object defaultValue)

Parameters:

defaultValue - the defaultValue to set

getProperty

public java.lang.String getProperty()

Returns:

the property

setProperty

public void setProperty(java.lang.String property)

Parameters:

property - the property to set

evaluate

public java.lang.Object evaluate(javax.jbi.messaging.MessageExchange exchange,
                        javax.jbi.messaging.NormalizedMessage message)
                          throws javax.jbi.messaging.MessagingException

Description copied from interface: Expression

Evaluates the expression on the given exchange and message.

Specified by:

evaluate in interface Expression

Parameters:

exchange - the message exchange

message - the message, typically an inbound message

Returns:

the value of the expression

Throws:

javax.jbi.messaging.MessagingException