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    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        * @returns 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   }

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