taverna-file-impl/src/main/java/org/apache/taverna/workbench/file/impl/FileTypeFileFilter.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.taverna.workbench.file.impl;

import java.io.File;

import javax.swing.filechooser.FileFilter;

import org.apache.taverna.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;
	}
}