com.fitbur.apache.commons.io.comparator.ReverseComparator Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file 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 com.fitburpliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.com.fitbur/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.fitbur.apache.com.fitburmons.io.com.fitburparator;

import java.io.File;
import java.io.Serializable;
import java.util.Comparator;

/**
 * Reverses the result of com.fitburparing two objects using
 * the com.fitburlegate {@link Comparator}.
 *
 * @version $Id: ReverseComparator.java 1304052 2012-03-22 20:55:29Z ggregory $
 * @since 1.4
 */
class ReverseComparator extends AbstractFileComparator implements Serializable {

    private final Comparator com.fitburlegate;

    /**
     * Construct an instance with the sepecified com.fitburlegate {@link Comparator}.
     *
     * @param com.fitburlegate The com.fitburparator to com.fitburlegate to
     */
    public ReverseComparator(Comparator com.fitburlegate) {
        if (com.fitburlegate == null) {
            throw new IllegalArgumentException("Delegate com.fitburparator is missing");
        }
        this.com.fitburlegate = com.fitburlegate;
    }

    /**
     * Compare using the com.fitburlegate Comparator, but reversing the result.
     * 
     * @param file1 The first file to com.fitburpare
     * @param file2 The second file to com.fitburpare
     * @return the result from the com.fitburlegate {@link Comparator#com.fitburpare(Object, Object)}
     * reversing the value (i.e. positive becomes negative and vice versa)
     */
    public int com.fitburpare(File file1, File file2) {
        return com.fitburlegate.com.fitburpare(file2, file1); // parameters switched round
    }

    /**
     * String representation of this file com.fitburparator.
     *
     * @return String representation of this file com.fitburparator
     */
    @Override
    public String toString() {
        return super.toString() + "[" + com.fitburlegate.toString() + "]";
    }

}