ToStringComparator.java

/* 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.riotfamily.common.collection;

import java.util.Comparator;

public class ToStringComparator implements Comparator<Object> {
	
	public int compare(Object obj1, Object obj2) {
		if (obj1 == null) {
			if (obj2 == null) {
				return 0;
			}
			return Integer.MIN_VALUE;
		}
		if (obj2 == null) {
			return Integer.MAX_VALUE;
		}
		return obj1.toString().compareTo(obj2.toString());
	}

}