1 /* |
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2 * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 |
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26 package jdk.nio.zipfs; |
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27 |
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28 import java.net.URI; |
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29 import java.net.URISyntaxException; |
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30 import java.nio.file.FileSystem; |
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31 import java.nio.file.Path; |
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32 import java.nio.file.Paths; |
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33 |
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34 class JarFileSystemProvider extends ZipFileSystemProvider { |
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35 |
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36 @Override |
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37 public String getScheme() { |
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38 return "jar"; |
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39 } |
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40 |
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41 @Override |
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42 protected Path uriToPath(URI uri) { |
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43 String scheme = uri.getScheme(); |
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44 if ((scheme == null) || !scheme.equalsIgnoreCase(getScheme())) { |
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45 throw new IllegalArgumentException("URI scheme is not '" + getScheme() + "'"); |
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46 } |
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47 try { |
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48 String uristr = uri.toString(); |
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49 int end = uristr.indexOf("!/"); |
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50 uristr = uristr.substring(4, (end == -1) ? uristr.length() : end); |
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51 uri = new URI(uristr); |
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52 return Paths.get(new URI("file", uri.getHost(), uri.getPath(), null)) |
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53 .toAbsolutePath(); |
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54 } catch (URISyntaxException e) { |
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55 throw new AssertionError(e); //never thrown |
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56 } |
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57 } |
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58 |
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59 @Override |
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60 public Path getPath(URI uri) { |
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61 FileSystem fs = getFileSystem(uri); |
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62 String path = uri.getFragment(); |
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63 if (path == null) { |
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64 String uristr = uri.toString(); |
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65 int off = uristr.indexOf("!/"); |
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66 if (off != -1) |
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67 path = uristr.substring(off + 2); |
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68 } |
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69 if (path != null) |
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70 return fs.getPath(path); |
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71 throw new IllegalArgumentException("URI: " |
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72 + uri |
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73 + " does not contain path fragment ex. jar:///c:/foo.zip!/BAR"); |
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74 } |
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75 } |
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