ValueComparator.java

/*
 *   Copyright 2011 Marek Pilecky
 *
 * 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 com.github.mefi.jkuuza.utils;

import java.util.Comparator;
import java.util.Map;

/**
 *
 * @author Marek Pilecky
 */
public class ValueComparator implements Comparator {

	Map map;

	public ValueComparator(Map base) {
		this.map = base;
	}

	public int compare(Object a, Object b) {
		if ((Integer) map.get(a) < (Integer) map.get(b)) {
			return 1;
		} else if ((Integer) map.get(a) == (Integer) map.get(b)) {
			return 0;
		} else {
			return -1;
		}
	}
}