/* Copyright 2004-2006 Stefan Ram.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  */

package de.dclj.ram.system.filesystem;

public class Directory /* de.dclj.ram.system.filesystem.Directory */
{
  javax.swing.filechooser.FileSystemView fileSystemView = null;
  boolean fileSystemViewIsUninitialized = true;

  /************ Portadir fundament ************/

  /* Directory for user documents.
  for example: "C:\My Documents" or "/home/andrew".
  This is were the user would store an article he wrote. */
  public java.io.File userDirectory()
  { if( this.fileSystemViewIsUninitialized )this.initializeFileSystemView();
    return this.fileSystemView.getDefaultDirectory(); }

  /*Current directory on application startup.
  For example "C:\dvl" or "/home/kiwi/compiler_tests/environ". */
  public java.io.File currentDirectory()
  { return new java.io.File( System.getProperty( "user.dir" )); }

  /*temporary directory (might leak user data?):
    C:\WINDOWS\TEMP/tmp */
  public java.io.File temporaryDataDirectory()
  { return new java.io.File( System.getProperty( "java.io.tmpdir" )); }

  /************ Java specific ************/

  /* This contains the Java installation.
  Usually it is considered read-only for applications with rare exceptions. */
  public java.io.File javaDirectory()
  { return new java.io.File( System.getProperty( "java.home" )); }

  public java.io.File codeDirectory( final java.lang.Class class_ )
  throws java.net.URISyntaxException
  { final java.security.ProtectionDomain protectionDomain = class_.getProtectionDomain();
    final java.security.CodeSource codeSource = protectionDomain.getCodeSource();
    final java.net.URL uRL = codeSource.getLocation();
    final java.net.URI uRI = uRL.toURI();
    /* throws java.net.URISyntaxException: */
    final java.io.File file = new java.io.File( uRI );
    return file; }

  public void initializeFileSystemView()
  { if( this.fileSystemViewIsUninitialized )
    { this.fileSystemView =
      javax.swing.filechooser.FileSystemView.getFileSystemView();
      this.fileSystemViewIsUninitialized = false; }}

  public static java.lang.String toString( final java.io.File file )
  throws java.io.IOException
  { return file.getAbsolutePath(); }

  }