/**
* Licensed to the Apache Software Foundation (ASF) under one.
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 com.google.code.cxf.protobuf.interceptor;
import java.io.InputStream;
import org.apache.cxf.endpoint.Endpoint;
import org.apache.cxf.interceptor.Fault;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Parse incoming protocol buffer message.
*
* @author Gyorgy Orban
*/
public class ProtobufMessageInInterceptor extends AbstractPhaseInterceptor<Message> {
public static final String IN_MESSAGE_CLASS = ProtobufMessageInInterceptor.class.getName() + ".IN_MESSAGE_CLASS";
private Logger log = LoggerFactory.getLogger(this.getClass());
/**
*
*/
public ProtobufMessageInInterceptor() {
super(Phase.UNMARSHAL);
}
/**
*/
public void handleMessage(Message message) throws Fault {
Endpoint endpoint = message.getExchange().get(Endpoint.class);
@SuppressWarnings(value = "unchecked")
Class<? extends com.google.protobuf.Message> messageClass = (Class) message.getExchange().get(IN_MESSAGE_CLASS);
if (messageClass == null) {
messageClass = (Class) endpoint
.get(IN_MESSAGE_CLASS);
}
InputStream in = message.getContent(InputStream.class);
try {
com.google.protobuf.Message m = (com.google.protobuf.Message) messageClass.getMethod("parseFrom",
InputStream.class).invoke(null, in);
message.setContent(com.google.protobuf.Message.class, m);
} catch (Exception e) {
log.error("Failed to invoke message method from protobuffer.",e);
throw new RuntimeException(e);
}
}
}