rev 53038 : 8215472: (zipfs) Cleanups in implementation classes of jdk.zipfs and tests

   1 /*
   2  * Copyright (c) 2007, 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.nio.file.*;
  29 import java.nio.file.spi.*;
  30 import java.nio.file.attribute.*;
  31 import java.nio.file.spi.FileSystemProvider;
  32 
  33 import java.net.URI;
  34 import java.io.IOException;
  35 import java.net.URISyntaxException;
  36 import java.nio.channels.FileChannel;
  37 import java.util.HashMap;
  38 import java.util.Map;
  39 import java.util.Set;
  40 
  41 class JarFileSystemProvider extends ZipFileSystemProvider
  42 {
  43 
  44     @Override
  45     public String getScheme() {
  46         return "jar";
  47     }
  48 
  49     @Override
  50     protected Path uriToPath(URI uri) {
  51         String scheme = uri.getScheme();
  52         if ((scheme == null) || !scheme.equalsIgnoreCase(getScheme())) {
  53             throw new IllegalArgumentException("URI scheme is not '" + getScheme() + "'");
  54         }
  55         try {
  56             String uristr = uri.toString();
  57             int end = uristr.indexOf("!/");
  58             uristr = uristr.substring(4, (end == -1) ? uristr.length() : end);
  59             uri = new URI(uristr);
  60             return Paths.get(new URI("file", uri.getHost(), uri.getPath(), null))
  61                         .toAbsolutePath();
  62         } catch (URISyntaxException e) {
  63             throw new AssertionError(e); //never thrown
  64         }
  65     }
  66 
  67     @Override
  68     public Path getPath(URI uri) {
  69         FileSystem fs = getFileSystem(uri);
  70         String path = uri.getFragment();
  71         if (path == null) {
  72             String uristr = uri.toString();
  73             int off = uristr.indexOf("!/");
  74             if (off != -1)
  75                 path = uristr.substring(off + 2);
  76         }
  77         if (path != null)
  78             return fs.getPath(path);
  79         throw new IllegalArgumentException("URI: "
  80             + uri
  81             + " does not contain path fragment ex. jar:///c:/foo.zip!/BAR");
  82     }
  83 }
--- EOF ---