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

   1 /*
   2  * Copyright (c) 2007, 2018, 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.net.URI;

  29 import java.net.URISyntaxException;
  30 import java.nio.file.FileSystem;
  31 import java.nio.file.Path;
  32 import java.nio.file.Paths;

  33 
  34 class JarFileSystemProvider extends ZipFileSystemProvider {

  35 
  36     @Override
  37     public String getScheme() {
  38         return "jar";
  39     }
  40 
  41     @Override
  42     protected Path uriToPath(URI uri) {
  43         String scheme = uri.getScheme();
  44         if ((scheme == null) || !scheme.equalsIgnoreCase(getScheme())) {
  45             throw new IllegalArgumentException("URI scheme is not '" + getScheme() + "'");
  46         }
  47         try {
  48             String uristr = uri.toString();
  49             int end = uristr.indexOf("!/");
  50             uristr = uristr.substring(4, (end == -1) ? uristr.length() : end);
  51             uri = new URI(uristr);
  52             return Paths.get(new URI("file", uri.getHost(), uri.getPath(), null))
  53                         .toAbsolutePath();
  54         } catch (URISyntaxException e) {
  55             throw new AssertionError(e); //never thrown
  56         }
  57     }
  58 
  59     @Override
  60     public Path getPath(URI uri) {
  61         FileSystem fs = getFileSystem(uri);
  62         String path = uri.getFragment();
  63         if (path == null) {
  64             String uristr = uri.toString();
  65             int off = uristr.indexOf("!/");
  66             if (off != -1)
  67                 path = uristr.substring(off + 2);
  68         }
  69         if (path != null)
  70             return fs.getPath(path);
  71         throw new IllegalArgumentException("URI: "
  72             + uri
  73             + " does not contain path fragment ex. jar:///c:/foo.zip!/BAR");
  74     }
  75 }
--- EOF ---