taverna-workbench-file-impl/src/main/java/net/sf/taverna/t2/workbench/file/impl/FileTypeFileFilter.java

/*******************************************************************************
 * Copyright (C) 2007 The University of Manchester   
 * 
 *  Modifications to the initial code base are copyright of their
 *  respective authors, or their employers as appropriate.
 * 
 *  This program 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 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
 *  Lesser General Public License for more details.
 *    
 *  You should have received a copy of the GNU Lesser 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
 ******************************************************************************/
package net.sf.taverna.t2.workbench.file.impl;

import java.io.File;

import javax.swing.filechooser.FileFilter;

import net.sf.taverna.t2.workbench.file.FileType;

public class FileTypeFileFilter extends FileFilter {
	private final FileType fileType;

	public FileTypeFileFilter(FileType fileType) {
		this.fileType = fileType;
	}

	@Override
	public String getDescription() {
		return fileType.getDescription();
	}

	@Override
	public boolean accept(File file) {
		if (file.isDirectory())
			// Don't grey out directories
			return true;
		if (fileType.getExtension() == null)
			return false;
		return file.getName().toLowerCase()
				.endsWith("." + fileType.getExtension());
	}

	public FileType getFileType() {
		return fileType;
	}
}