1/*
2 * Copyright (c) 2002, 2003, 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
26package jdk.internal.loader;
27
28import java.net.URL;
29import java.io.File;
30import 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 */
38
39public class FileURLMapper {
40
41    URL url;
42    String file;
43
44    public FileURLMapper (URL url) {
45        this.url = url;
46    }
47
48    /**
49     * @return the platform specific path corresponding to the URL, and in particular
50     *  returns a UNC when the authority contains a hostname
51     */
52
53    public String getPath () {
54        if (file != null) {
55            return file;
56        }
57        String host = url.getHost();
58        if (host != null && !host.equals("") &&
59            !"localhost".equalsIgnoreCase(host)) {
60            String rest = url.getFile();
61            String s = host + ParseUtil.decode (url.getFile());
62            file = "\\\\"+ s.replace('/', '\\');
63            return file;
64        }
65        String path = url.getFile().replace('/', '\\');
66        file = ParseUtil.decode(path);
67        return file;
68    }
69
70    public boolean exists() {
71        String path = getPath();
72        File f = new File (path);
73        return f.exists();
74    }
75}
76