1 /* 2 * Copyright (c) 2009-2010 jMonkeyEngine 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 package com.jme3.network.serializing.serializers; 34 35 import com.jme3.network.Message; 36 import com.jme3.network.message.ZIPCompressedMessage; 37 import com.jme3.network.serializing.Serializer; 38 import java.io.ByteArrayInputStream; 39 import java.io.ByteArrayOutputStream; 40 import java.io.IOException; 41 import java.nio.ByteBuffer; 42 import java.util.zip.ZipEntry; 43 import java.util.zip.ZipInputStream; 44 import java.util.zip.ZipOutputStream; 45 46 /** 47 * Serializes ZIP messages. 48 * 49 * @author Lars Wesselius 50 */ 51 public class ZIPSerializer extends Serializer { 52 53 @SuppressWarnings("unchecked") readObject(ByteBuffer data, Class<T> c)54 public <T> T readObject(ByteBuffer data, Class<T> c) throws IOException { 55 try 56 { 57 ZIPCompressedMessage result = new ZIPCompressedMessage(); 58 59 byte[] byteArray = new byte[data.remaining()]; 60 61 data.get(byteArray); 62 63 ZipInputStream in = new ZipInputStream(new ByteArrayInputStream(byteArray)); 64 in.getNextEntry(); 65 ByteArrayOutputStream out = new ByteArrayOutputStream(); 66 67 byte[] tmp = new byte[9012]; 68 int read; 69 70 while (in.available() > 0 && ((read = in.read(tmp)) > 0)) { 71 out.write(tmp, 0, read); 72 } 73 74 in.closeEntry(); 75 out.flush(); 76 in.close(); 77 78 result.setMessage((Message)Serializer.readClassAndObject(ByteBuffer.wrap(out.toByteArray()))); 79 return (T)result; 80 } 81 catch (Exception e) { 82 e.printStackTrace(); 83 throw new IOException(e.toString()); 84 } 85 } 86 writeObject(ByteBuffer buffer, Object object)87 public void writeObject(ByteBuffer buffer, Object object) throws IOException { 88 if (!(object instanceof ZIPCompressedMessage)) return; 89 90 ZIPCompressedMessage zipMessage = (ZIPCompressedMessage)object; 91 Message message = zipMessage.getMessage(); 92 ByteBuffer tempBuffer = ByteBuffer.allocate(512000); 93 Serializer.writeClassAndObject(tempBuffer, message); 94 95 ByteArrayOutputStream byteArrayOutput = new ByteArrayOutputStream(); 96 ZipOutputStream zipOutput = new ZipOutputStream(byteArrayOutput); 97 zipOutput.setLevel(zipMessage.getLevel()); 98 99 ZipEntry zipEntry = new ZipEntry("zip"); 100 101 zipOutput.putNextEntry(zipEntry); 102 zipOutput.write(tempBuffer.array()); 103 zipOutput.flush(); 104 zipOutput.closeEntry(); 105 zipOutput.close(); 106 107 buffer.put(byteArrayOutput.toByteArray()); 108 } 109 } 110