What Is commons-io-2.11.jar

What Is commons-io-2.11.jar?

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commons-io-2.11.jar is the JAR file for Commons IO 2.5, which is a library of utilities to assist with developing IO functionality.

JAR File Size and Download Location:

JAR name: commons-io-2.11.0.jar
Target JDK version: 8
Dependency: None

File name: commons-io.jar, commons-io-2.11.0.jar
File size: 327135 bytes
Release date: 01-22-2020
Download: Apache Commons IO Website

Java source code files for commons-io-2.11.jar are:


 * 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 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.commons.io.comparator;

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

 * Compare two files using the {@link File#isDirectory()} method.
 * <p>
 * This comparator can be used to sort lists or arrays by directories and files.
 * <p>
 * Example of sorting a list of files/directories using the
 * {@link #DIRECTORY_COMPARATOR} singleton instance:
 * <pre>
 *       List&lt;File&gt; list = ...
 *       ((AbstractFileComparator) DirectoryFileComparator.DIRECTORY_COMPARATOR).sort(list);
 * </pre>
 * <p>
 * Example of doing a <i>reverse</i> sort of an array of files/directories using the
 * {@link #DIRECTORY_REVERSE} singleton instance:
 * <pre>
 *       File[] array = ...
 *       ((AbstractFileComparator) DirectoryFileComparator.DIRECTORY_REVERSE).sort(array);
 * </pre>
 * <p>
 * @since 2.0
public class DirectoryFileComparator extends AbstractFileComparator implements Serializable {

    private static final int TYPE_FILE = 2;

    private static final int TYPE_DIRECTORY = 1;

    private static final long serialVersionUID = 296132640160964395L;

    /** Singleton default comparator instance */
    public static final Comparator<File> DIRECTORY_COMPARATOR = new DirectoryFileComparator();

    /** Singleton reverse default comparator instance */
    public static final Comparator<File> DIRECTORY_REVERSE = new ReverseFileComparator(DIRECTORY_COMPARATOR);

     * Compare the two files using the {@link File#isDirectory()} method.
     * @param file1 The first file to compare
     * @param file2 The second file to compare
     * @return the result of calling file1's
     * {@link File#compareTo(File)} with file2 as the parameter.
    public int compare(final File file1, final File file2) {
        return getType(file1) - getType(file2);

     * Convert type to numeric value.
     * @param file The file
     * @return 1 for directories and 2 for files
    private int getType(final File file) {
        return file.isDirectory() ? TYPE_DIRECTORY : TYPE_FILE;



Or download all of them as a single archive file:

File name: commons-io-2.11.0-sources.jar
File size: 398939 bytes
Release date: 2020-01-22


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