simpleimageresourcelocator.java

Vyger offers a D & D and Rogue-like environment in a graphical online roleplay game.

/*
 * Light And Shadow. A Persistent Universe based on Robert Jordan's Wheel of Time Books.
 * Copyright (C) 2001-2002 WOTLAS Team
 *
 * 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 wotlas.libs.graphics2D;

import java.io.*;
import java.util.Vector;
import java.awt.Image;
import java.awt.Toolkit;

/** To locate resources needed by the ImageLibrary. This is a simple implementation
 *  which is used by the ImageLibrary if you creates it with the just a ImageDB path
 *  in its constructor.
 *
 * @author Aldiss
 */

public class SimpleImageResourceLocator implements ImageResourceLocator {

 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/

   /** Our root Image Library directory.
    */
     protected String imageDataBasePath;

 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/

   /** Constructor with Image Library db path.
    * @param imageDataBasePath the path to the image database.
    */
     public SimpleImageResourceLocator( String imageDataBasePath ) {     	
        if( !imageDataBasePath.endsWith(File.separator) && !imageDataBasePath.endsWith("/") )
            this.imageDataBasePath = imageDataBasePath+File.separator;
        else
            this.imageDataBasePath = imageDataBasePath;
     }

 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/

   /**  To get the Image Library Directory.
    */
     public String getImageLibraryDir() {
         return imageDataBasePath;
     }

 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/

   /** To list all the files of a directory ( on one level only ).
    *
    *  @param dirName directory name (must be a complete path)
    *  @return all the files of the specified directory (not sub-dirs).
    */
     public String[] listFiles( String dirName ) {
         File flist[] = new File(dirName).listFiles();

         if(flist==null)
            return new String[0];

         Vector list = new Vector(20);

         for( int i=0; i<flist.length; i++ ) {
              if( flist[i].isDirectory() )
                  continue;

              list.addElement( flist[i].getPath() );
         }

         String toReturn[] = {};
         return (String[]) list.toArray( toReturn );
     }

 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/

   /** To list all the directories of a directory ( on one level only ).
    *
    *  @param dirName directory name (must be a complete path)
    *  @return the sub-dirs of the given dirName (on one level only).
    */
     public String[] listDirectories( String dirName ) {
         File flist[] = new File(dirName).listFiles();

         if(flist==null)
            return new String[0];

         Vector list = new Vector(10);

         for( int i=0; i<flist.length; i++ ) {
              if( !flist[i].isDirectory() )
                  continue;

              list.addElement( flist[i].getPath() );
         }

         String toReturn[] = {};
         return (String[]) list.toArray( toReturn );
     }

 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/

   /** Returns the wanted image from the Image Library directory.
    *
    *  @param imagePath image name from the library with FULL image library path.
    *  @return Image, null if the image was not found.
    */
     public Image getLibraryImage( String imagePath ) {
         return Toolkit.getDefaultToolkit().getImage(imagePath);
     }

 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -*/
}