/*
 * Copyright  2002-2004 The Apache Software Foundation
 *
 *  Licensed 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.tools.ant.types;

/**
 * Subclass as hint for supporting tasks that the included directories
 * instead of files should be used.
 *
 * @since Ant 1.5
 */
public class DirSet extends AbstractFileSet {

    public DirSet() {
        super();
    }

    protected DirSet(DirSet dirset) {
        super(dirset);
    }

    /**
     * Return a DirSet that has the same basedir and same patternsets
     * as this one.
     */
    public Object clone() {
        if (isReference()) {
            return ((DirSet) getRef(getProject())).clone();
        } else {
            return super.clone();
        }
    }

}