HiddenFilesPathFilter.java

package ch.cyberduck.core;

/*
 *  Copyright (c) 2005 David Kocher. All rights reserved.
 *  http://cyberduck.ch/
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *  Bug fixes, suggestions and comments should be sent to:
 *  dkocher@cyberduck.ch
 */

import org.apache.log4j.Logger;

import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;

/**
 * @version $Id: HiddenFilesPathFilter.java 5372 2009-09-29 21:45:50Z dkocher $
 */
public class HiddenFilesPathFilter<E extends AbstractPath> implements PathFilter<E> {
    private static Logger log = Logger.getLogger(HiddenFilesPathFilter.class);

    /**
	 * @uml.property  name="hIDDEN_PATTERN"
	 */
    private Pattern HIDDEN_PATTERN;

    public HiddenFilesPathFilter() {
        try {
            HIDDEN_PATTERN = Pattern.compile(
                    Preferences.instance().getProperty("browser.hidden.regex"));
        }
        catch(PatternSyntaxException e) {
            log.warn(e.getMessage());
        }
    }

    public boolean accept(E file) {
        if(null == HIDDEN_PATTERN) {
            return true;
        }
        return !HIDDEN_PATTERN.matcher(file.getName()).matches();
    }
}