tcptransportsender.java

来自「开源的axis2框架的源码。用于开发WEBSERVER」· Java 代码 · 共 136 行

/*
 * 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.axis2.transport.tcp;

import org.apache.axis2.AxisFault;
import org.apache.axis2.Constants;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.description.TransportOutDescription;
import org.apache.axis2.handlers.AbstractHandler;
import org.apache.axis2.i18n.Messages;
import org.apache.axis2.transport.TransportSender;
import org.apache.axis2.transport.TransportUtils;
import org.apache.axis2.transport.http.HTTPTransportUtils;
import org.apache.axis2.util.URL;

import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import java.net.InetSocketAddress;
import java.net.MalformedURLException;
import java.net.Socket;
import java.net.SocketAddress;

public class TCPTransportSender extends AbstractHandler implements TransportSender {
    protected Writer out;
    private Socket socket;

    public void init(ConfigurationContext confContext, TransportOutDescription transportOut)
            throws AxisFault {
    }

    public void stop() {
    }

    public void cleanup(MessageContext msgContext) throws AxisFault {
        try {
            if (socket != null) {
                socket.close();
                socket = null;
            }
        } catch (IOException e) {
            // TODO: Log this?
        }
    }

    /**
     * Method invoke
     *
     * @param msgContext
     * @throws AxisFault
     */
    public InvocationResponse invoke(MessageContext msgContext) throws AxisFault {

        // Check for the REST behaviour, if you desire rest beahaviour
        // put a <parameter name="doREST" value="true"/> at the axis2.xml
        msgContext.setDoingMTOM(HTTPTransportUtils.doWriteMTOM(msgContext));
        msgContext.setDoingSwA(HTTPTransportUtils.doWriteSwA(msgContext));

        OutputStream out;
        EndpointReference epr = null;

        if (msgContext.getTo() != null && !msgContext.getTo().hasAnonymousAddress()) {
            epr = msgContext.getTo();
        }

        if (epr != null) {
            if (!epr.hasNoneAddress()) {
                out = openTheConnection(epr, msgContext);
                TransportUtils.writeMessage(msgContext, out);
                try {
                    socket.shutdownOutput();
                    msgContext.setProperty(MessageContext.TRANSPORT_IN, socket.getInputStream());
                } catch (IOException e) {
                    throw AxisFault.makeFault(e);
                }
            }
        } else {
            out = (OutputStream) msgContext.getProperty(MessageContext.TRANSPORT_OUT);

            if (out != null) {
                TransportUtils.writeMessage(msgContext, out);
            } else {
                throw new AxisFault(
                        "Both the TO and Property MessageContext.TRANSPORT_OUT is Null, No where to send");
            }
        }

        TransportUtils.setResponseWritten(msgContext, true);
        
        return InvocationResponse.CONTINUE;
    }

    protected OutputStream openTheConnection(EndpointReference toURL, MessageContext msgContext)
            throws AxisFault {
        if (toURL != null) {
            try {
                URL url = new URL(toURL.getAddress());
                SocketAddress add = new InetSocketAddress(url.getHost(), (url.getPort() == -1)
                        ? 80
                        : url.getPort());

                socket = new Socket();
                socket.connect(add);

                return socket.getOutputStream();
            } catch (MalformedURLException e) {
                throw AxisFault.makeFault(e);
            } catch (IOException e) {
                throw AxisFault.makeFault(e);
            }
        } else {
            throw new AxisFault(Messages.getMessage("canNotBeNull", "End point reference"));
        }
    }
}