01: /*
02: * Copyright 2002-2003 Sun Microsystems, Inc. All Rights Reserved.
03: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04: *
05: * This code is free software; you can redistribute it and/or modify it
06: * under the terms of the GNU General Public License version 2 only, as
07: * published by the Free Software Foundation. Sun designates this
08: * particular file as subject to the "Classpath" exception as provided
09: * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22: * CA 95054 USA or visit www.sun.com if you need additional information or
23: * have any questions.
24: */
25:
26: package sun.misc;
27:
28: import java.net.URL;
29: import java.io.File;
30: import sun.net.www.ParseUtil;
31:
32: /**
33: * (Windows) Platform specific handling for file: URLs . In particular deals
34: * with network paths mapping them to UNCs.
35: *
36: * @author Michael McMahon
37: * @version 1.10, 07/05/05
38: */
39:
40: public class FileURLMapper {
41:
42: URL url;
43: String file;
44:
45: public FileURLMapper(URL url) {
46: this .url = url;
47: }
48:
49: /**
50: * @returns the platform specific path corresponding to the URL, and in particular
51: * returns a UNC when the authority contains a hostname
52: */
53:
54: public String getPath() {
55: if (file != null) {
56: return file;
57: }
58: String host = url.getHost();
59: if (host != null && !host.equals("")
60: && !"localhost".equalsIgnoreCase(host)) {
61: String rest = url.getFile();
62: String s = host + ParseUtil.decode(url.getFile());
63: file = "\\\\" + s.replace('/', '\\');
64: return file;
65: }
66: String path = url.getFile().replace('/', '\\');
67: file = ParseUtil.decode(path);
68: return file;
69: }
70:
71: public boolean exists() {
72: String path = getPath();
73: File f = new File(path);
74: return f.exists();
75: }
76: }
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