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tinylog native logging implementation

There is a newer version: 2.8.0-M1

/*
 * Copyright 2018 Martin Winandy
 *
 * 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.tinylog.path;

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

/**
 * Comparator for sorting files by last modification date. The most recently modified files come first, the oldest last.
 */
final class LastModifiedFileComparator implements Comparator, Serializable {

	static final LastModifiedFileComparator INSTANCE = new LastModifiedFileComparator();

	private static final long serialVersionUID = 1L;

	/** */
	private LastModifiedFileComparator() {
	}

	@Override
	public int compare(final File first, final File second) {
		long firstModificationDate = first.lastModified();
		long secondModificationDate = second.lastModified();
		return (firstModificationDate < secondModificationDate) ? +1 : ((firstModificationDate == secondModificationDate) ? 0 : -1);
	}

}