Java tutorial
/** * This file Copyright (c) 2003-2012 Magnolia International * Ltd. (http://www.magnolia-cms.com). All rights reserved. * * * This file is dual-licensed under both the Magnolia * Network Agreement and the GNU General Public License. * You may elect to use one or the other of these licenses. * * This file is distributed in the hope that it will be * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. * Redistribution, except as permitted by whichever of the GPL * or MNA you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or * modify this file under the terms of the GNU General * Public License, Version 3, as published by the Free Software * Foundation. You should have received a copy of the GNU * General Public License, Version 3 along with this program; * if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * 2. For the Magnolia Network Agreement (MNA), this file * and the accompanying materials are made available under the * terms of the MNA which accompanies this distribution, and * is available at http://www.magnolia-cms.com/mna.html * * Any modifications to this file must keep this entire header * intact. * */ package info.magnolia.importexport; import org.apache.commons.lang.StringUtils; import java.io.File; import java.util.Comparator; /** * Comparator implementation used to ensure bootstrap files are imported according to the name length (shortest first). * @author gjoseph * @version $Revision: $ ($Author: $) */ class BootstrapFilesComparator implements Comparator<File> { // remove file with the same name in different dirs @Override public int compare(File file1, File file2) { String name1 = getName(file1); String name2 = getName(file2); String ext1 = getExtension(file1); String ext2 = getExtension(file2); if (StringUtils.equals(ext1, ext2)) { // a simple way to detect nested nodes if (name1.length() != name2.length()) { return name1.length() - name2.length(); } } else { // import xml first if (ext1.equalsIgnoreCase("xml")) { return -1; } else if (ext2.equalsIgnoreCase("xml")) { return 1; } } return name1.compareTo(name2); } private static String getExtension(File file) { String ext = StringUtils.substringAfterLast(file.getName(), "."); if (("." + ext).equals(DataTransporter.GZ) || ("." + ext).equals(DataTransporter.ZIP)) { ext = StringUtils.substringAfterLast(StringUtils.substringBeforeLast(file.getName(), "."), "."); } return ext; } private static String getName(File file) { String name = StringUtils.substringBeforeLast(file.getName(), "."); if (name.endsWith(DataTransporter.XML) || name.endsWith(DataTransporter.PROPERTIES)) { name = StringUtils.substringBeforeLast(file.getName(), "."); } return name; } }