| /* |
| * 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.ace.test.utils; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.nio.channels.FileChannel; |
| import java.util.jar.Attributes; |
| import java.util.jar.JarOutputStream; |
| import java.util.jar.Manifest; |
| |
| import org.osgi.framework.Version; |
| |
| public class FileUtils { |
| |
| /** |
| * Convenience method for creating temp files. It creates a temp file, and then deletes it. This is done so the same |
| * (unique) filename can be used to create a directory. |
| * |
| * If you use null as the baseDirectoryName, a tempfile is created in the platform specific temp directory. |
| * |
| * @throws IOException |
| */ |
| public static File createTempFile(File baseDirectory) throws IOException { |
| return createTempFile(baseDirectory, ""); |
| } |
| |
| public static File createTempFile(File baseDirectory, String extension) throws IOException { |
| File tempFile = File.createTempFile("test", extension, baseDirectory); |
| tempFile.delete(); |
| tempFile.deleteOnExit(); |
| return tempFile; |
| } |
| |
| public static File createEmptyBundle(String bsn, Version version, String... headers) throws IOException { |
| return createEmptyBundle(null, bsn, version, headers); |
| } |
| |
| public static File createEmptyBundle(File baseDirectory, String bsn, Version version, String... headers) throws IOException { |
| Manifest m = new Manifest(); |
| Attributes mainAttrs = m.getMainAttributes(); |
| mainAttrs.put(Attributes.Name.MANIFEST_VERSION, "1.0"); |
| mainAttrs.putValue("Bundle-ManifestVersion", "2"); |
| mainAttrs.putValue("Bundle-SymbolicName", bsn); |
| mainAttrs.putValue("Bundle-Version", version.toString()); |
| for (int i = 0; i < headers.length; i += 2) { |
| mainAttrs.putValue(headers[i], headers[i + 1]); |
| } |
| |
| File result = createTempFile(baseDirectory, ".jar"); |
| |
| try (FileOutputStream fos = new FileOutputStream(result); JarOutputStream jos = new JarOutputStream(fos, m)) { |
| jos.close(); |
| } |
| |
| return result; |
| } |
| |
| public static void copy(File input, File output) throws IOException { |
| FileInputStream fis = new FileInputStream(input); |
| FileOutputStream fos = new FileOutputStream(output); |
| |
| try { |
| FileChannel ic = fis.getChannel(); |
| FileChannel oc = fos.getChannel(); |
| try { |
| oc.transferFrom(ic, 0, ic.size()); |
| } |
| finally { |
| oc.close(); |
| ic.close(); |
| } |
| } |
| finally { |
| fis.close(); |
| fos.close(); |
| } |
| } |
| |
| /** |
| * Remove the given directory and all it's files and subdirectories |
| * |
| * @param directory |
| * the name of the directory to remove |
| */ |
| public static void removeDirectoryWithContent(File directory) { |
| if ((directory == null) || !directory.exists()) { |
| return; |
| } |
| File[] filesAndSubDirs = directory.listFiles(); |
| for (int i = 0; i < filesAndSubDirs.length; i++) { |
| File file = filesAndSubDirs[i]; |
| if (file.isDirectory()) { |
| removeDirectoryWithContent(file); |
| } |
| // else just remove the file |
| file.delete(); |
| } |
| directory.delete(); |
| } |
| } |