@@ -0,0 +1,2809 @@
+/*%0A * The MIT License (MIT)%0A *%0A * Copyright (c) 2016 Lachlan Dowding%0A *%0A * Permission is hereby granted, free of charge, to any person obtaining a copy%0A * of this software and associated documentation files (the %22Software%22), to deal%0A * in the Software without restriction, including without limitation the rights%0A * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell%0A * copies of the Software, and to permit persons to whom the Software is%0A * furnished to do so, subject to the following conditions:%0A *%0A * The above copyright notice and this permission notice shall be included in all%0A * copies or substantial portions of the Software.%0A *%0A * THE SOFTWARE IS PROVIDED %22AS IS%22, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR%0A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,%0A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE%0A * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER%0A * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,%0A * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE%0A * SOFTWARE.%0A */%0A%0Apackage permafrost.tundra.io;%0A%0Aimport java.io.File;%0Aimport java.util.Comparator;%0A%0A/**%0A * Compares files by their last modified time.%0A */%0Apublic class FileModificationComparator implements Comparator%3CFile%3E %7B%0A    protected boolean ascending = true;%0A%0A    /**%0A     * Constructs a new FileModificationComparator.%0A     *%0A     * @param ascending If true, files will be compared in ascending last modified time order, otherwise they%0A     *                  will be compared in descending last modified time order.%0A     */%0A    FileModificationComparator(boolean ascending) %7B%0A        this.ascending = ascending;%0A    %7D%0A%0A    /**%0A     * Compares two file's last modified times.%0A     *%0A     * @param firstFile     The first file to be compared.%0A     * @param secondFile    The second file to be compared.%0A     * @return              0 if the files were modified at the same time, 1 if ascending order and -1 if descending%0A     *                      order and the first file was modified after the second file, -1 if ascending order and 1%0A     *                      if descending order and the first file was modified before the second file.%0A     */%0A    public int compare(File firstFile, File secondFile) %7B%0A        if (firstFile == null %7C%7C secondFile == null) throw new NullPointerException(%22cannot compare null references%22);%0A%0A        long lastModifiedDifference = firstFile.lastModified() - secondFile.lastModified();%0A%0A        int comparison = 0;%0A        if (lastModifiedDifference %3C 0) %7B%0A            comparison = -1;%0A        %7D else if (lastModifiedDifference %3E 0) %7B%0A            comparison = 1;%0A        %7D%0A%0A        return ascending ? comparison : comparison * -1;%0A    %7D%0A%7D%0A

Add FileModificationComparator for sorting lists of files in last modified time order