/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This 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 software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.mobicents.ss7.sgw.boot;

import java.io.File;
import java.io.FileFilter;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;

/**
 * 
 * @author amit bhayani
 * 
 */
public class FileFilterImpl implements FileFilter {

	/** The file suffixes */
	private static Set<String> fileSuffixes = new CopyOnWriteArraySet<String>();

	static {
		fileSuffixes.add("-beans.xml");
		fileSuffixes.add("-conf.xml");
	}

	public FileFilterImpl() {
	}

	public FileFilterImpl(Set<String> suffixes) {
		if (suffixes == null)
			throw new IllegalArgumentException("Null suffixes");
		fileSuffixes.clear();
		fileSuffixes.addAll(suffixes);
	}

	public boolean accept(File pathname) {
		for (String suffix : fileSuffixes) {
			String filePathName = pathname.getName(); 
			if (filePathName.endsWith(suffix))
				return true;
		}
		return false;
	}

	public Set<String> getSuffixes() {
		return fileSuffixes;
	}

	public static boolean addFileSuffix(String suffix) {
		if (suffix == null)
			throw new IllegalArgumentException("Null suffix");
		return fileSuffixes.add(suffix);
	}

	public static boolean removeFileSuffix(String suffix) {
		if (suffix == null)
			throw new IllegalArgumentException("Null suffix");
		return fileSuffixes.remove(suffix);
	}
}