org.apache.camel.language.juel
Class JuelExpression

java.lang.Object
  org.apache.camel.impl.ExpressionSupport<Exchange>
      org.apache.camel.language.juel.JuelExpression

All Implemented Interfaces:

Expression<Exchange>, Predicate<Exchange>

public class JuelExpression
extends ExpressionSupport<Exchange>

The EL Language from JSP and JSF using the JUEL library

Version:

$Revision: 640731 $

Constructor Summary

JuelExpression(String expression, Class<?> type)

Method Summary

protected String	assertionFailureMessage(Exchange exchange)
protected ELContext	createContext() Factory method to create the EL context
static JuelExpression	el(String expression)
Object	evaluate(Exchange exchange)
ExpressionFactory	getExpressionFactory()
Properties	getExpressionFactoryProperties()
protected ELContext	populateContext(ELContext context, Exchange exchange)
protected void	populateDefaultExpressionProperties(Properties properties) A Strategy Method to populate the default properties used to create the expression factory
void	setExpressionFactory(ExpressionFactory expressionFactory)
void	setExpressionFactoryProperties(Properties expressionFactoryProperties)
protected void	setVariable(ELContext context, String name, Object value, Class<?> type)

Methods inherited from class org.apache.camel.impl.ExpressionSupport

assertMatches, matches

Methods inherited from class java.lang.Object

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

Constructor Detail

JuelExpression

public JuelExpression(String expression,
                      Class<?> type)

Method Detail

el

public static JuelExpression el(String expression)

evaluate

public Object evaluate(Exchange exchange)

getExpressionFactory

public ExpressionFactory getExpressionFactory()

setExpressionFactory

public void setExpressionFactory(ExpressionFactory expressionFactory)

getExpressionFactoryProperties

public Properties getExpressionFactoryProperties()

setExpressionFactoryProperties

public void setExpressionFactoryProperties(Properties expressionFactoryProperties)

populateContext

protected ELContext populateContext(ELContext context,
                                    Exchange exchange)

populateDefaultExpressionProperties

protected void populateDefaultExpressionProperties(Properties properties)

A Strategy Method to populate the default properties used to create the expression factory

setVariable

protected void setVariable(ELContext context,
                           String name,
                           Object value,
                           Class<?> type)

createContext

protected ELContext createContext()

Factory method to create the EL context

assertionFailureMessage

protected String assertionFailureMessage(Exchange exchange)

Specified by:

assertionFailureMessage in class ExpressionSupport<Exchange>