/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.expression;
import org.mule.api.MuleContext;
import org.mule.api.MuleMessage;
import org.mule.api.context.MuleContextAware;
import org.mule.api.expression.ExpressionEvaluator;
import org.mule.config.i18n.CoreMessages;
import org.mule.endpoint.AbstractEndpointBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Looks up information about a global endpoint
*
* @see org.mule.api.expression.ExpressionEvaluator
* @see DefaultExpressionManager
*/
public class EndpointInfoExpressionEvaluator implements ExpressionEvaluator, MuleContextAware
{
public static final String NAME = "endpoint";
/**
* logger used by this class
*/
protected transient final Log logger = LogFactory.getLog(EndpointInfoExpressionEvaluator.class);
protected MuleContext muleContext;
public void setMuleContext(MuleContext context)
{
this.muleContext = context;
}
public Object evaluate(String expression, MuleMessage message)
{
int i = expression.indexOf(".");
String endpointName;
String property;
if(i > 0)
{
endpointName = expression.substring(0, i);
property = expression.substring(i + 1);
}
else
{
throw new IllegalArgumentException(CoreMessages.expressionMalformed(expression, getName()).getMessage());
}
AbstractEndpointBuilder eb = (AbstractEndpointBuilder)muleContext.getRegistry().lookupEndpointBuilder(endpointName);
if(eb!=null)
{
if(property.equalsIgnoreCase("address"))
{
return eb.getEndpointBuilder().getEndpoint().getAddress();
}
else //TODO more properties
{
throw new IllegalArgumentException(CoreMessages.expressionInvalidForProperty(property, expression).getMessage());
}
}
else
{
logger.warn("There is no endpoint registered with name: " + endpointName);
return null;
}
}
/** {@inheritDoc} */
public String getName()
{
return NAME;
}
}