org.apache.camel.language.bean
Class BeanExpression

java.lang.Object
  org.apache.camel.language.bean.BeanExpression

All Implemented Interfaces:

Expression, Predicate

public class BeanExpression
extends Object
implements Expression, Predicate

Evaluates an expression using a bean method invocation

Version:

$Revision: 769448 $

Constructor Summary

BeanExpression(Object bean, String method)

BeanExpression(String beanName, String method)

Method Summary

protected String	assertionFailureMessage(Exchange exchange)
void	assertMatches(String text, Exchange exchange)
Object	evaluate(Exchange exchange)
<T> T	evaluate(Exchange exchange, Class<T> type) Returns the value of the expression on the given exchange
boolean	matches(Exchange exchange) Evaluates the predicate on the message exchange and returns true if this exchange matches the predicate
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BeanExpression

public BeanExpression(Object bean,
                      String method)

BeanExpression

public BeanExpression(String beanName,
                      String method)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

assertionFailureMessage

protected String assertionFailureMessage(Exchange exchange)

evaluate

public Object evaluate(Exchange exchange)

evaluate

public <T> T evaluate(Exchange exchange,
                      Class<T> type)

Description copied from interface: Expression

Returns the value of the expression on the given exchange

Specified by:

evaluate in interface Expression

Parameters:

exchange - the message exchange on which to evaluate the expression

type - the expected type of the evaluation result

Returns:

the value of the expression

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

assertMatches

public void assertMatches(String text,
                          Exchange exchange)
                   throws AssertionError

Throws:

AssertionError