org.apache.camel.support
Class ExpressionSupport

java.lang.Object
  org.apache.camel.support.ExpressionSupport

All Implemented Interfaces:

Expression, Predicate

Direct Known Subclasses:

ExpressionAdapter, ExpressionSupport

public abstract class ExpressionSupport
extends Object
implements Expression, Predicate

A useful base class for Predicate and Expression implementations

Version:

Constructor Summary

ExpressionSupport()

Method Summary

protected abstract String	assertionFailureMessage(Exchange exchange)
void	assertMatches(String text, Exchange exchange)
Object	evaluate(Exchange exchange)
boolean	matches(Exchange exchange) Evaluates the predicate on the message exchange and returns true if this exchange matches the predicate

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.camel.Expression

evaluate

Constructor Detail

ExpressionSupport

public ExpressionSupport()

Method Detail

matches

public boolean matches(Exchange exchange)

Description copied from interface: Predicate

Evaluates the predicate on the message exchange and returns true if this exchange matches the predicate

Specified by:

matches in interface Predicate

Parameters:

exchange - the message exchange

Returns:

true if the predicate matches

evaluate

public Object evaluate(Exchange exchange)

assertMatches

public void assertMatches(String text,
                          Exchange exchange)

assertionFailureMessage

protected abstract String assertionFailureMessage(Exchange exchange)