/*
* Copyright 2002-2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.flex.core;
import java.lang.reflect.Method;
import java.util.Arrays;
import org.aopalliance.aop.Advice;
import org.springframework.aop.support.StaticMethodMatcherPointcutAdvisor;
import flex.messaging.endpoints.AbstractEndpoint;
import flex.messaging.messages.Message;
import flex.messaging.services.Service;
/**
* Static method-matching pointcut advisor that applies security advice to invocations of
* {@link AbstractEndpoint#serviceMessage(Message)}.
*
* <p>
* This is the critical point where incoming AMF messages have been deserialized and are ready to be routed to a BlazeDS
* {@link Service}. Iterception at this point in the deserialization/serialization process is needed to be able to
* easily send proper AMF error messages back to the client.
*
* @author Jeremy Grelle
*/
@SuppressWarnings( { "serial" })
public class EndpointServiceMessagePointcutAdvisor extends StaticMethodMatcherPointcutAdvisor implements EndpointAdvisor {
private static final String SERVICE_MESSAGE_METHOD_NAME = "serviceMessage";
private final Class<?>[] SERVICE_MESSAGE_ARGS = new Class<?>[] { Message.class };
public EndpointServiceMessagePointcutAdvisor(Advice advice) {
super(advice);
}
/**
*
* {@inheritDoc}
*/
public boolean matches(Method m, Class<?> c) {
if (!AbstractEndpoint.class.isAssignableFrom(c)) {
return false;
}
if (!SERVICE_MESSAGE_METHOD_NAME.equals(m.getName())) {
return false;
}
return m.getParameterTypes().length == 1 && Arrays.equals(SERVICE_MESSAGE_ARGS, m.getParameterTypes());
}
}