01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.vfs;
30:
31: import java.util.Map;
32:
33: /**
34: * JarScheme implements the lookup of the jar scheme.
35: */
36: public class JarScheme extends FilesystemPath {
37: JarScheme(String path) {
38: super (null, "/", "/");
39: }
40:
41: /**
42: * Lookup the path, handling windows weirdness
43: */
44: protected Path schemeWalk(String userPath,
45: Map<String, Object> attributes, String filePath, int offset) {
46: int p = filePath.indexOf('!', offset);
47: String backingPath;
48: String jarPath;
49:
50: if (p > 0) {
51: backingPath = filePath.substring(offset, p);
52: jarPath = filePath.substring(p + 1);
53: } else {
54: backingPath = filePath.substring(offset);
55: jarPath = "";
56: }
57:
58: Path backing = Vfs.lookup(backingPath);
59:
60: return JarPath.create(backing).lookup(jarPath);
61: }
62:
63: public Path fsWalk(String userPath, Map<String, Object> attributes,
64: String path) {
65: return schemeWalk(userPath, attributes, path, 0);
66: }
67:
68: public String getScheme() {
69: return "jar";
70: }
71: }
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