Source for gnu.java.net.loader.FileResource

   1: /* FileResource.java -- a Resource for file URLs
   2:    Copyright (C) 2006 Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.java.net.loader;
  40: 
  41: 
  42: import java.io.File;
  43: import java.io.FileInputStream;
  44: import java.io.IOException;
  45: import java.io.InputStream;
  46: import java.net.MalformedURLException;
  47: import java.net.URL;
  48: 
  49: public final class FileResource extends Resource
  50: {
  51:   final File file;
  52: 
  53:   public FileResource(FileURLLoader loader, File file)
  54:   {
  55:     super(loader);
  56:     this.file = file;
  57:   }
  58: 
  59:   public InputStream getInputStream() throws IOException
  60:   {
  61:     return new FileInputStream(file);
  62:   }
  63: 
  64:   public int getLength()
  65:   {
  66:     return (int) file.length();
  67:   }
  68: 
  69:   public URL getURL()
  70:   {
  71:     try
  72:       {
  73:         return file.toURL();
  74:       }
  75:     catch (MalformedURLException e)
  76:       {
  77:         InternalError ie = new InternalError();
  78:         ie.initCause(e);
  79:         throw ie;
  80:       }
  81:   }
  82: }