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 

    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  */

    38 

    39 public 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 }