/*
** Apollo - Test Skeleton Toolkit for Web Start/JNLP
** Copyright (c) 2001, 2002, 2003 by Gerald Bauer
**
** This program is free software.
**
** You may redistribute it and/or modify it under the terms of the GNU
** General Public License as published by the Free Software Foundation.
** Version 2 of the license should be included with this distribution in
** the file LICENSE, as well as License.html. If the license is not
** included with this distribution, you may find a copy at the FSF web
** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
**
** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND,
** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR
** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY
** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR
** REDISTRIBUTION OF THIS SOFTWARE.
**
*/

package apollo;

import java.io.*;

public class SecureFileChooser
{
   public final static int CANCEL = 2;
   // todo: rename to SecFileChooser??
   //  SecClipboard, SecFileSrv, SecPrintSrv??
   //  SecSrvMan??

   public final static int OK = 1;

   private FileContents _file;

   private FileOpenService _fileOpenService;
   private FileSaveService _fileSaveService;
   private FileContents _files[];

   public SecureFileChooser()
   {
      _fileOpenService = ServiceManager.lookupFileOpenService();
      _fileSaveService = ServiceManager.lookupFileSaveService();
   }

   public FileContents getFileContents()
   {
      // todo: rename to getFile and getFiles??
      return _file;
   }

   public FileContents[] getMultiFileContents()
   {
      // todo: set a flag for multi-selection and throw an exception if not set
      //   to guard against misuse
      return _files;
   }

   public int showOpenDialog() throws IOException
   {
      clear();
      _file = _fileOpenService.openFileDialog( null, null );

      if( _file == null )
         return CANCEL;
      else
         return OK;
   }

   public int showSaveAsDialog( FileContents contents ) throws IOException
   {
      clear();
      _file = _fileSaveService.saveAsFileDialog( null, null, contents );

      if( _file == null )
         return CANCEL;
      else
         return OK;
   }

   public int showSaveDialog( InputStream stream ) throws IOException
   {
      clear();
      _file = _fileSaveService.saveFileDialog( null, null, stream, null );

      if( _file == null )
         return CANCEL;
      else
         return OK;
   }

   private void clear()
   {
      _file = null;
      _files = null;
   }
}