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/* jcifs smb client library in Java
 * Copyright (C) 2003  "Michael B. Allen" 
 * 
 * This library 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 library 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 library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.smb;


/**
 * 
 *
 */
public class DosFileFilter implements SmbFileFilter {

    protected String wildcard;
    protected int attributes;


    /**
     * This filter can be considerably more efficient than other file filters
     * as the specifed wildcard and attributes are passed to the server for
     * filtering there (although attributes are largely ignored by servers
     * they are filtered locally by the default accept method).
     * 
     * @param wildcard
     * @param attributes
     */
    public DosFileFilter ( String wildcard, int attributes ) {
        this.wildcard = wildcard;
        this.attributes = attributes;
    }


    /**
     * This returns true if the file's attributes contain any of the attributes
     * specified for this filter. The wildcard has no influence on this
     * method as the server should have performed that filtering already. The
     * attributes are asserted here only because server file systems may not
     * support filtering by all attributes (e.g. even though ATTR_DIRECTORY was
     * specified the server may still return objects that are not directories).
     */
    @Override
    public boolean accept ( SmbFile file ) throws SmbException {
        return ( file.getAttributes() & this.attributes ) != 0;
    }
}




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