CCJFileView.java

/*
 *  Copyright (C) 2004  The Concord Consortium, Inc.,
 *  10 Concord Crossing, Concord, MA 01742
 *
 *  Web Site: http://www.concord.org
 *  Email: info@concord.org
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * END LICENSE */

package org.concord.swing;

import java.io.File;

import javax.swing.filechooser.FileView;

public class CCJFileView extends FileView{
	
	public Boolean isTraversable(File f) {
		if(f.isFile()) return null;
		
		File[] files = f.listFiles();
		if(files == null) return null;
		
		boolean allAreFiles = true;
		for(int i = 0; i < files.length; i++) {
			if(files[i].isDirectory()) {
				allAreFiles = false;
				break;
			}
		}
		
		if(allAreFiles) return new Boolean(false);
		
		return null;
	}
}