Java tutorial
/* * Vulcan Build Manager * Copyright (C) 2005-2012 Chris Eldredge * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ package net.sourceforge.vulcan.core.support; import java.io.File; import java.io.FileFilter; import java.io.IOException; import org.apache.commons.io.FileUtils; import org.apache.commons.io.filefilter.FileFilterUtils; import org.apache.commons.io.filefilter.IOFileFilter; public class FileSystemImpl implements FileSystem { public void cleanDirectory(File directory, IOFileFilter excludeFilter) throws IOException { if (!directory.exists() || !directory.isDirectory()) { throw new IOException("Not a directory"); } final FileFilter filter = excludeFilter == null ? null : FileFilterUtils.notFileFilter(excludeFilter); final File[] files = directory.listFiles(filter); for (File file : files) { if (file.isDirectory()) { FileUtils.deleteDirectory(file); } else { FileUtils.forceDelete(file); } } } public boolean directoryExists(File directory) { return directory.exists(); } public void createDirectory(File path) throws IOException { FileUtils.forceMkdir(path); } public File[] listFiles(File directory) throws IOException { final File[] files = directory.listFiles(); if (files == null) { throw new IOException("Failed to list files."); } return files; } }