Coverage Report - com.sun.grizzly.filter.EchoFilter
 
Classes in this File Line Coverage Branch Coverage Complexity
EchoFilter
70 %
16/23
67 %
4/6
3,5
 
 1  
 /*
 2  
  * 
 3  
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 4  
  * 
 5  
  * Copyright 2007-2008 Sun Microsystems, Inc. All rights reserved.
 6  
  * 
 7  
  * The contents of this file are subject to the terms of either the GNU
 8  
  * General Public License Version 2 only ("GPL") or the Common Development
 9  
  * and Distribution License("CDDL") (collectively, the "License").  You
 10  
  * may not use this file except in compliance with the License. You can obtain
 11  
  * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 12  
  * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 13  
  * language governing permissions and limitations under the License.
 14  
  * 
 15  
  * When distributing the software, include this License Header Notice in each
 16  
  * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 17  
  * Sun designates this particular file as subject to the "Classpath" exception
 18  
  * as provided by Sun in the GPL Version 2 section of the License file that
 19  
  * accompanied this code.  If applicable, add the following below the License
 20  
  * Header, with the fields enclosed by brackets [] replaced by your own
 21  
  * identifying information: "Portions Copyrighted [year]
 22  
  * [name of copyright owner]"
 23  
  * 
 24  
  * Contributor(s):
 25  
  * 
 26  
  * If you wish your version of this file to be governed by only the CDDL or
 27  
  * only the GPL Version 2, indicate your decision by adding "[Contributor]
 28  
  * elects to include this software in this distribution under the [CDDL or GPL
 29  
  * Version 2] license."  If you don't indicate a single choice of license, a
 30  
  * recipient has the option to distribute your version of this file under
 31  
  * either the CDDL, the GPL Version 2 or to extend the choice of license to
 32  
  * its licensees as provided above.  However, if you add GPL Version 2 code
 33  
  * and therefore, elected the GPL Version 2 license, then the option applies
 34  
  * only if the new code is made subject to such option by the copyright
 35  
  * holder.
 36  
  *
 37  
  */
 38  
 
 39  
 package com.sun.grizzly.filter;
 40  
 
 41  
 import com.sun.grizzly.Context;
 42  
 import com.sun.grizzly.Controller;
 43  
 import com.sun.grizzly.ProtocolFilter;
 44  
 import com.sun.grizzly.util.OutputWriter;
 45  
 import com.sun.grizzly.util.WorkerThread;
 46  
 import java.io.IOException;
 47  
 import java.net.SocketAddress;
 48  
 import java.nio.ByteBuffer;
 49  
 import java.nio.channels.DatagramChannel;
 50  
 import java.nio.channels.SelectableChannel;
 51  
 import java.util.logging.Level;
 52  
 
 53  
 /**
 54  
  * Simple echo filter
 55  
  *
 56  
  * @author Alexey Stashok
 57  
  */
 58  29
 public class EchoFilter implements ProtocolFilter {
 59  
     public boolean execute(Context ctx) throws IOException {
 60  3632
         final WorkerThread workerThread = ((WorkerThread)Thread.currentThread());
 61  3632
         ByteBuffer buffer = workerThread.getByteBuffer();
 62  3632
         buffer.flip();
 63  3632
         if (buffer.hasRemaining()) {
 64  
             // Depending on protocol perform echo
 65  3632
             SelectableChannel channel = ctx.getSelectionKey().channel();
 66  
             try {
 67  3632
                 if (ctx.getProtocol() == Controller.Protocol.TCP) { // TCP case
 68  2630
                     OutputWriter.flushChannel(channel, buffer);
 69  1002
                 } else if (ctx.getProtocol() == Controller.Protocol.UDP) {  // UDP case
 70  1002
                     DatagramChannel datagramChannel = (DatagramChannel) channel;
 71  1002
                     SocketAddress address = (SocketAddress) 
 72  
                             ctx.getAttribute(ReadFilter.UDP_SOCKETADDRESS);
 73  1002
                     OutputWriter.flushChannel(datagramChannel, address, buffer);
 74  
                 }
 75  0
             } catch (IOException ex) {
 76  
                 // Store incoming data in byte[]
 77  0
                 byte[] data = new byte[buffer.remaining()];
 78  0
                 int position = buffer.position();
 79  0
                 buffer.get(data);
 80  0
                 buffer.position(position);
 81  
                 
 82  0
                 Controller.logger().log(Level.WARNING, 
 83  
                         "Exception. Echo \"" + new String(data) + "\"");
 84  0
                 throw ex;
 85  3632
             }
 86  
         }
 87  
         
 88  3632
         buffer.clear();
 89  3632
         return false;
 90  
     }
 91  
     
 92  
     public boolean postExecute(Context ctx) throws IOException {
 93  3632
         return true;
 94  
     }
 95  
 }