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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> *<a name="line.18"></a> |
| <span class="sourceLineNo">019</span> */<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.mina.example.proxy;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.nio.charset.Charset;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.mina.core.buffer.IoBuffer;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.mina.core.service.IoHandlerAdapter;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.mina.core.session.IoSession;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.slf4j.Logger;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.slf4j.LoggerFactory;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>/**<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> * Base class of {@link org.apache.mina.core.service.IoHandler} classes which handle<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * proxied connections.<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> *<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * @author <a href="http://mina.apache.org">Apache MINA Project</a><a name="line.34"></a> |
| <span class="sourceLineNo">035</span> */<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>public abstract class AbstractProxyIoHandler extends IoHandlerAdapter {<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> private static final Charset CHARSET = Charset.forName("iso8859-1");<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> public static final String OTHER_IO_SESSION = AbstractProxyIoHandler.class.getName()+".OtherIoSession";<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> private final static Logger LOGGER = LoggerFactory.getLogger(AbstractProxyIoHandler.class);<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> <a name="line.41"></a> |
| <span class="sourceLineNo">042</span> @Override<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> public void sessionCreated(IoSession session) throws Exception {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> session.suspendRead();<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> session.suspendWrite();<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> }<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span> @Override<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> public void sessionClosed(IoSession session) throws Exception {<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> if (session.getAttribute( OTHER_IO_SESSION ) != null) {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> IoSession sess = (IoSession) session.getAttribute(OTHER_IO_SESSION);<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> sess.setAttribute(OTHER_IO_SESSION, null);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> sess.close(false);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> session.setAttribute(OTHER_IO_SESSION, null);<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> }<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> }<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> @Override<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> public void messageReceived(IoSession session, Object message)<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> throws Exception {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> IoBuffer rb = (IoBuffer) message;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> IoBuffer wb = IoBuffer.allocate(rb.remaining());<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> rb.mark();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> wb.put(rb);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> wb.flip();<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> ((IoSession) session.getAttribute(OTHER_IO_SESSION)).write(wb);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> rb.reset();<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> LOGGER.info(rb.getString(CHARSET.newDecoder()));<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span>}<a name="line.70"></a> |
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