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/*
* 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 org.apache.tuscany.sca.binding.http.provider;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.tuscany.sca.common.http.HTTPContext;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.invocation.MessageFactory;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
/**
* HTTP Binding service servlet, that listens to HTTP
* requests and dispatch to the invocation chain.
*
* The proper invocation chains and/or wireformat interceptors
* will properly handle selecting the right operation and
* handling data
*
* @version $Rev$ $Date$
*/
public class HTTPBindingServiceServlet extends HttpServlet {
private static final long serialVersionUID = 6496710199406616194L;
protected transient MessageFactory messageFactory;
protected transient RuntimeEndpoint wire;
public HTTPBindingServiceServlet(RuntimeEndpoint wire, MessageFactory messageFactory) {
this.wire = wire;
this.messageFactory = messageFactory;
}
@Override
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
HTTPContext bindingContext = new HTTPContext();
bindingContext.setHttpRequest(request);
bindingContext.setHttpResponse(response);
Message msg = messageFactory.createMessage();
msg.setBindingContext(bindingContext);
Message responseMessage = wire.invoke(msg);
// return response to client
if (responseMessage.isFault()) {
// Turn a fault into an exception
Throwable e = (Throwable)responseMessage.getBody();
response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString());
}
}
}
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