/*
* $Id: CallableEntryPointResolver.java 19191 2010-08-25 21:05:23Z tcarlson $
* --------------------------------------------------------------------------------------
* 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.model.resolvers;
import org.mule.api.MuleEventContext;
import org.mule.api.MuleRuntimeException;
import org.mule.api.lifecycle.Callable;
import org.mule.api.model.EntryPointResolver;
import org.mule.api.model.InvocationResult;
import org.mule.config.i18n.CoreMessages;
import org.mule.config.i18n.MessageFactory;
import java.lang.reflect.Method;
/**
* An entry-point resolver that only allows Service objects that implement the
* Callable interface
*
* @see org.mule.api.lifecycle.Callable
*/
public class CallableEntryPointResolver implements EntryPointResolver
{
protected static final Method callableMethod;
static
{
try
{
callableMethod = Callable.class.getMethod("onCall", new Class[] {MuleEventContext.class});
}
catch (NoSuchMethodException e)
{
throw new MuleRuntimeException(
MessageFactory.createStaticMessage("Panic! No onCall(MuleEventContext) method found in the Callable interface."));
}
}
public InvocationResult invoke(Object component, MuleEventContext context) throws Exception
{
if (component instanceof Callable)
{
Object result = ((Callable) component).onCall(context);
return new InvocationResult(this, result, callableMethod);
}
else
{
InvocationResult result = new InvocationResult(this, InvocationResult.State.NOT_SUPPORTED);
result.setErrorMessage(CoreMessages.objectDoesNotImplementInterface(component, Callable.class).toString());
return result;
}
}
@Override
public String toString()
{
return "CallableEntryPointResolver{}";
}
}