FileHelper { public static boolean deleteDirRecursively(File directory) throws IOException { if (!directory.exists()) { return false; } FileUtils.deleteDirectory(directory); return true; }  static byte[] base64Encode(final File input); static byte[] base64Encode(final byte[] input); static byte[] getByteArrayFromFile(File file); static boolean renameFile(final File fromFile, final String toFileName); static boolean copyFileToPath(final File inFile, final String outFilePath); static boolean copyFileToPath(final File inFile, final String outPath, boolean deleteOriginalFile); static Collection<File> wipeOldFiles(File directory, Long cutoffTime, boolean deleteDirectory); static boolean createDir(File directory); static boolean createDir(String directory); static boolean deleteDirRecursively(File directory); static boolean deleteDirRecursively(String directory); static boolean deleteFileQuietly(String filePath); static boolean deleteFileQuietly(File file); static boolean deleteFile(String filePath); static boolean deleteFile(File file); static boolean doesDirectoryOrFileExist(String filePath); static File findFile(String file, String rootPath); static List<String> getFileList(String filePath, boolean recursive); static List<String> getFileList(String filePath, String[] extensions, boolean recursive); static Collection<File> getFileCollection(String filePath, boolean recursive); static Collection<?> getFileCollection(String filePath, String[] extensions, boolean recursive); static String getSystemTemp(); static boolean zipDirectory(String inputDirectory, String absoluteFileName); static boolean unzipFile(String outputDirectory, File zipFile); static String createUserDirectory(String applicationUserSpaceDir); static boolean updateTimestamp(final String path, final boolean recursive); static Boolean validateShapeFile(final File shapeFile); static Boolean validateShapeZIP(final File shapeZip);  }
@Test public void testDeleteDirRecursively() { System.out.println("Test: " + "testDeleteDirRecursively"); File lockedFile = new File(testFilePath + ".shx"); lockedFile.setWritable(false); String dirToDelete = this.tempDir + this.seperator; boolean result = false; try { result = FileHelper.deleteDirRecursively(new File(dirToDelete)); assertTrue(result); } catch (IOException e) { fail(e.getMessage()); } try { result = FileHelper.deleteDirRecursively("Directory/That/Doesnt/Exist"); assertFalse(result); } catch (IOException e) { fail(e.getMessage()); } try { result = FileHelper.deleteDirRecursively(new File("Directory/That/Doesnt/Exist")); assertFalse(result); } catch (IOException e) { fail(e.getMessage()); } try { result = FileHelper.deleteDirRecursively(lockedFile); } catch (IOException e) { fail(e.getMessage()); } assertFalse(result); lockedFile.setWritable(true); FileHelper.deleteFileQuietly(lockedFile); }
@Test public void testDeleteDirRecursivelyUsingString() { System.out.println("Test: " + "testDeleteDirRecursivelyUsingString"); String dirToDelete = this.tempDir + this.seperator; boolean result = false; try { result = FileHelper.deleteDirRecursively(dirToDelete); } catch (IOException e) { fail(e.getMessage()); } assertTrue(result); try { result = FileHelper.deleteDirRecursively("Directory/That/Doesnt/Exist"); } catch (IOException e) { fail(e.getMessage()); } assertFalse(result); }