| /* |
| * 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, |
| * 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. |
| */ |
| package org.apache.openejb.arquillian.common; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.logging.Logger; |
| |
| /** |
| * @version $Rev: 1157006 $ $Date: 2011-08-12 01:23:04 -0700 (Fri, 12 Aug 2011) $ |
| */ |
| public final class Files { |
| private static final Logger LOGGER = Logger.getLogger(Files.class.getName()); |
| |
| public static File path(final String... parts) { |
| File dir = null; |
| for (final String part : parts) { |
| if (dir == null) { |
| dir = new File(part); |
| } else { |
| dir = new File(dir, part); |
| } |
| } |
| |
| return dir; |
| } |
| |
| public static File path(File dir, final String... parts) { |
| for (final String part : parts) { |
| dir = new File(dir, part); |
| } |
| |
| return dir; |
| } |
| |
| public static File createTempDir() throws IOException { |
| return createTempDir("tomee", ".conf"); |
| } |
| |
| public static File createTempDir(final String prefix, final String suffix) throws IOException { |
| File tempDir; |
| try { |
| tempDir = File.createTempFile(prefix, suffix); |
| } catch (final Throwable e) { |
| final File tmp = new File("tmp"); |
| if (!tmp.exists() && !tmp.mkdirs()) { |
| throw new IOException("Failed to create local tmp directory: " + tmp.getAbsolutePath()); |
| } |
| tempDir = File.createTempFile(prefix, suffix, tmp); |
| } |
| if (!tempDir.delete() && tempDir.mkdirs()) { |
| throw new IOException("Failed to create temp directory: " + tempDir.getAbsolutePath()); |
| } |
| deleteOnExit(tempDir); |
| return tempDir; |
| } |
| |
| private Files() { |
| // no-op |
| } |
| |
| // Shutdown hook for recursive delete on tmp directories |
| static final List<String> delete = new ArrayList<String>(); |
| |
| private static volatile boolean shutdown; |
| |
| static { |
| Runtime.getRuntime().addShutdownHook(new Thread() { |
| @Override |
| public void run() { |
| shutdown = true; |
| delete(); |
| } |
| }); |
| } |
| |
| public static void deleteOnExit(final File file) { |
| delete.add(file.getAbsolutePath()); |
| } |
| |
| private static void delete() { |
| for (final String path : delete) { |
| delete(new File(path)); |
| } |
| } |
| |
| public static void delete(final File file) { |
| if (file.exists()) { |
| tryTodelete(file); |
| |
| if (!file.delete() && !shutdown) { |
| file.deleteOnExit(); |
| } else if (!willBeDelete(file)) { |
| LOGGER.severe("can't delete " + file.getAbsolutePath()); |
| } |
| } |
| } |
| |
| private static boolean willBeDelete(final File file) { |
| File current = file; |
| while (current != null) { |
| if (delete.contains(current.getAbsolutePath())) { |
| return true; |
| } |
| current = current.getParentFile(); |
| } |
| return false; |
| } |
| |
| public static void mkdir(final File dir) { |
| if (dir.exists()) { |
| return; |
| } |
| if (!dir.mkdirs()) { |
| throw new IllegalStateException("cannot make directory: " + dir.getAbsolutePath()); |
| } |
| } |
| |
| public static void writable(final File file) { |
| if (!file.canWrite()) { |
| throw new IllegalStateException("Not writable: " + file.getAbsolutePath()); |
| } |
| } |
| |
| public static void readable(final File file) { |
| if (!file.canRead()) { |
| throw new IllegalStateException("Not readable: " + file.getAbsolutePath()); |
| } |
| } |
| |
| public static void assertDir(final File file) { |
| if (!file.isDirectory()) { |
| throw new IllegalStateException("Not a directory: " + file.getAbsolutePath()); |
| } |
| } |
| |
| public static void assertFile(final File file) { |
| if (!file.isFile()) { |
| throw new IllegalStateException("Not a file: " + file.getAbsolutePath()); |
| } |
| } |
| |
| public static void tryTodelete(final File file) { |
| if (file.isDirectory()) { |
| final File[] files = file.listFiles(); |
| if (files != null) { |
| for (final File f : files) { |
| delete(f); |
| } |
| } |
| } |
| } |
| } |