/*
 * 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);
    }
}