1 /* -*-mode:java; c-basic-offset:2; -*- */ 2 /* 3 Copyright (c) 2011 ymnk, JCraft,Inc. 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 met: 7 8 1. Redistributions of source code must retain the above copyright notice, 9 this list of conditions and the following disclaimer. 10 11 2. Redistributions in binary form must reproduce the above copyright 12 notice, this list of conditions and the following disclaimer in 13 the documentation and/or other materials provided with the distribution. 14 15 3. The names of the authors may not be used to endorse or promote products 16 derived from this software without specific prior written permission. 17 18 THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, 19 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 20 FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT, 21 INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, 22 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 24 OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 25 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 26 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 /* 30 * This program is based on zlib-1.1.3, so all credit should go authors 31 * Jean-loup Gailly(jloup@gzip.org) and Mark Adler(madler@alumni.caltech.edu) 32 * and contributors of zlib. 33 */ 34 35 package org.mathpiper.mpreduce.zip; 36 37 import java.io.UnsupportedEncodingException; 38 39 public class GZIPHeader implements Cloneable { 40 boolean text = false; 41 private boolean fhcrc = false; 42 long time; 43 int xflags; 44 int os = 255; 45 byte[] extra; 46 byte[] name; 47 byte[] comment; 48 int hcrc; 49 long crc; 50 boolean done = false; 51 long mtime = 0; 52 setModifiedTime(long mtime)53 public void setModifiedTime(long mtime) { 54 this.mtime = mtime; 55 } 56 getModifiedTime()57 public long getModifiedTime() { 58 return mtime; 59 } 60 setOS(int os)61 public void setOS(int os) { 62 if((0<=os && os <=13) | os==255){ 63 this.os=os; 64 } 65 else 66 throw new IllegalArgumentException("os: "+os); 67 } 68 getOS()69 public int getOS(){ 70 return os; 71 } 72 setName(String name)73 public void setName(String name) { 74 try{ 75 this.name=name.getBytes("ISO-8859-1"); 76 } 77 catch(UnsupportedEncodingException e){ 78 throw new IllegalArgumentException("name must be in ISO-8859-1 "+name); 79 } 80 } 81 getName()82 public String getName(){ 83 if(name==null) return ""; 84 return new String(name); 85 } 86 setComment(String comment)87 public void setComment(String comment) { 88 try{ 89 this.comment=comment.getBytes("ISO-8859-1"); 90 } 91 catch(UnsupportedEncodingException e){ 92 throw new IllegalArgumentException("comment must be in ISO-8859-1 "+name); 93 } 94 } 95 getComment()96 public String getComment(){ 97 if(comment==null) return ""; 98 return new String(comment); 99 } 100 setCRC(long crc)101 public void setCRC(long crc){ 102 this.crc = crc; 103 } 104 getCRC()105 public long getCRC(){ 106 return crc; 107 } 108 109 110 /* 111 public Object clone() throws CloneNotSupportedException { 112 GZIPHeader gheader = (GZIPHeader)super.clone(); 113 byte[] tmp; 114 if(gheader.extra!=null){ 115 tmp=new byte[gheader.extra.length]; 116 System.arraycopy(gheader.extra, 0, tmp, 0, tmp.length); 117 gheader.extra = tmp; 118 } 119 120 if(gheader.name!=null){ 121 tmp=new byte[gheader.name.length]; 122 System.arraycopy(gheader.name, 0, tmp, 0, tmp.length); 123 gheader.name = tmp; 124 } 125 126 if(gheader.comment!=null){ 127 tmp=new byte[gheader.comment.length]; 128 System.arraycopy(gheader.comment, 0, tmp, 0, tmp.length); 129 gheader.comment = tmp; 130 } 131 132 return gheader; 133 }*/ 134 } 135