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 }