Java tutorial
package hrider.io; import org.apache.commons.io.FileUtils; import java.io.File; import java.io.IOException; import java.util.Arrays; import java.util.List; import java.util.regex.Pattern; /** * Copyright (C) 2012 NICE Systems ltd. * <p/> * 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 * <p/> * http://www.apache.org/licenses/LICENSE-2.0 * <p/> * 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. * * @author Igor Cher * @version %I%, %G% */ public class FileHelper { //region Constructor private FileHelper() { } //endregion //region Public Methods public static void delete(File path, String... exclude) { List<String> excludedPaths = Arrays.asList(exclude); File[] files = path.listFiles(); if (files != null) { for (File file : files) { if (!excludedPaths.contains(file.getName())) { if (file.isDirectory()) { delete(file); } file.delete(); } } } } public static File findFile(File folder, Pattern regex) { File[] files = folder.listFiles(); if (files != null) { for (File file : files) { if (regex.matcher(file.getName()).find()) { return file; } } } return null; } public static void copy(File source, File target) throws IOException { FileUtils.copyFile(source, target); } //endregion }