juneau-core/juneau-marshall/src/main/java/org/apache/juneau/internal/ClassTreeSet.java

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// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
// * to you 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                                                              *
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// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
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// ***************************************************************************************************************************
package org.apache.juneau.internal;

import java.util.*;

/**
 * {@link TreeSet} for {@link Class} objects.
 */
public class ClassTreeSet extends TreeSet<Class<?>> {

	private static final long serialVersionUID = 1L;

	private static final Comparator<Class<?>> COMPARATOR = new Comparator<Class<?>>() {
		@Override
		public int compare(Class<?> o1, Class<?> o2) {
			return o1.getName().compareTo(o2.getName());
		}
	};

	/**
	 * Constructor.
	 */
	public ClassTreeSet() {
		super(COMPARATOR);
	}

	/**
	 * Constructor.
	 *
	 * @param c Initial contents of set.
	 */
	public ClassTreeSet(Collection<Class<?>> c) {
		super(COMPARATOR);
		addAll(c);
	}
}