1 /*
   2  * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.

   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:


   7  *
   8  *   - Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.



  10  *
  11  *   - Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *
  15  *   - Neither the name of Oracle nor the names of its
  16  *     contributors may be used to endorse or promote products derived
  17  *     from this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  20  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  24  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  25  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  26  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  27  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  28  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  29  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31 
  32 /*
  33  * This source code is provided to illustrate the usage of a given feature
  34  * or technique and has been deliberately simplified. Additional steps
  35  * required for a production-quality application, such as security checks,
  36  * input validation and proper error handling, might not be present in
  37  * this sample code.
  38  */
  39 
  40 
  41 package com.sun.nio.zipfs;
  42 
  43 import java.io.*;
  44 import java.net.URI;
  45 import java.nio.channels.*;
  46 import java.nio.file.*;
  47 import java.nio.file.DirectoryStream.Filter;
  48 import java.nio.file.attribute.*;
  49 import java.util.*;
  50 import static java.nio.file.StandardOpenOption.*;
  51 import static java.nio.file.StandardCopyOption.*;
  52 
  53 
  54 /**
  55  *
  56  * @author  Xueming Shen, Rajendra Gutupalli,Jaya Hangal
  57  */
  58 
  59 public class ZipPath implements Path {
  60 
  61     private final ZipFileSystem zfs;
  62     private final byte[] path;
  63     private volatile int[] offsets;
  64     private int hashcode = 0;  // cached hashcode (created lazily)
  65 
  66     ZipPath(ZipFileSystem zfs, byte[] path) {
  67         this(zfs, path, false);
  68     }
  69 
  70     ZipPath(ZipFileSystem zfs, byte[] path, boolean normalized)
  71     {
  72         this.zfs = zfs;
  73         if (normalized)
  74             this.path = path;
  75         else
  76             this.path = normalize(path);
  77     }
  78 
  79     @Override

   1 /*
   2  * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.




















  24  */
  25 
  26 package jdk.nio.zipfs;

  27 
  28 import java.io.*;
  29 import java.net.URI;
  30 import java.nio.channels.*;
  31 import java.nio.file.*;
  32 import java.nio.file.DirectoryStream.Filter;
  33 import java.nio.file.attribute.*;
  34 import java.util.*;
  35 import static java.nio.file.StandardOpenOption.*;
  36 import static java.nio.file.StandardCopyOption.*;
  37 
  38 
  39 /**
  40  *
  41  * @author  Xueming Shen, Rajendra Gutupalli,Jaya Hangal
  42  */
  43 
  44 class ZipPath implements Path {
  45 
  46     private final ZipFileSystem zfs;
  47     private final byte[] path;
  48     private volatile int[] offsets;
  49     private int hashcode = 0;  // cached hashcode (created lazily)
  50 
  51     ZipPath(ZipFileSystem zfs, byte[] path) {
  52         this(zfs, path, false);
  53     }
  54 
  55     ZipPath(ZipFileSystem zfs, byte[] path, boolean normalized)
  56     {
  57         this.zfs = zfs;
  58         if (normalized)
  59             this.path = path;
  60         else
  61             this.path = normalize(path);
  62     }
  63 
  64     @Override