Examples with FileVisitResult java.nio.file.FileVisitResult used on opensource projects

Example 16 with FileVisitResult

use of java.nio.file.FileVisitResult in project jdk8u_jdk by JetBrains.

the class Test method deleteGeneratedFiles.

private static void deleteGeneratedFiles() {
    Path p = Paths.get("..", "classes", "javax", "xml", "ws", "xsanymixed", "org");
    System.out.println("performing cleanup, deleting wsdl compilation result: " + p.toFile().getAbsolutePath());
    if (Files.exists(p)) {
        try {
            Files.walkFileTree(p, new SimpleFileVisitor<Path>() {

                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    System.out.println("deleting file [" + file.toFile().getAbsoluteFile() + "]");
                    Files.delete(file);
                    return CONTINUE;
                }

                @Override
                public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                    System.out.println("deleting dir [" + dir.toFile().getAbsoluteFile() + "]");
                    if (exc == null) {
                        Files.delete(dir);
                        return CONTINUE;
                    } else {
                        throw exc;
                    }
                }
            });
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }
}

Example 17 with FileVisitResult

use of java.nio.file.FileVisitResult in project OpenAM by OpenRock.

the class DefaultDebugRecorder method delete.

/**
     * Delete a file
     *
     * @param file to delete
     * @throws IOException
     */
private void delete(String file) throws IOException {
    Path start = Paths.get(file);
    Files.walkFileTree(start, new SimpleFileVisitor<Path>() {

        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            Files.delete(file);
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult postVisitDirectory(Path dir, IOException e) throws IOException {
            if (e == null) {
                Files.delete(dir);
                return FileVisitResult.CONTINUE;
            } else {
                // directory iteration failed
                throw e;
            }
        }
    });
}

Example 18 with FileVisitResult

use of java.nio.file.FileVisitResult in project OpenAM by OpenRock.

the class ZipUtils method generateZip.

/**
     * Generate a zip
     *
     * Due to a bug in Java 7 corrected in Java 8 http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7156873
     * srcFolder and outputZip can't be URL encoded if you're using java 7.
     *
     * @param srcFolder source folder
     * @param outputZip zip folder
     * @return the list of files that were included in the archive.
     * @throws IOException if an error occurs creating the zip archive.
     * @throws URISyntaxException if an error occurs creating the zip archive.
     */
public static List<String> generateZip(String srcFolder, String outputZip) throws IOException, URISyntaxException {
    final Path targetZip = Paths.get(outputZip);
    final Path sourceDir = Paths.get(srcFolder);
    final URI uri = new URI("jar", URLDecoder.decode(targetZip.toUri().toString(), "UTF-8"), null);
    final List<String> files = new ArrayList<>();
    try (FileSystem zipfs = FileSystems.newFileSystem(uri, singletonMap("create", "true"))) {
        Files.walkFileTree(sourceDir, new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                // In case the target zip is being created in the folder being zipped (e.g. Fedlet), ignore it.
                if (targetZip.equals(file)) {
                    return FileVisitResult.CONTINUE;
                }
                Path target = zipfs.getPath(sourceDir.relativize(file).toString());
                if (target.getParent() != null) {
                    Files.createDirectories(target.getParent());
                }
                Files.copy(file, target, StandardCopyOption.REPLACE_EXISTING);
                files.add(file.toString());
                return FileVisitResult.CONTINUE;
            }
        });
    }
    return files;
}

Example 19 with FileVisitResult

use of java.nio.file.FileVisitResult in project asterixdb by apache.

the class LocalFileSystemUtils method traverse.

public static void traverse(final List<File> files, File root, final String expression, final LinkedList<Path> dirs) throws IOException {
    final Path path = root.toPath();
    if (!Files.exists(path)) {
        throw new RuntimeDataException(ErrorCode.UTIL_LOCAL_FILE_SYSTEM_UTILS_PATH_NOT_FOUND, path.toString());
    }
    if (!Files.isDirectory(path)) {
        validateAndAdd(path, expression, files);
    }
    Files.walkFileTree(path, new SimpleFileVisitor<Path>() {

        @Override
        public FileVisitResult preVisitDirectory(Path path, BasicFileAttributes attrs) throws IOException {
            if (!Files.exists(path, LinkOption.NOFOLLOW_LINKS)) {
                return FileVisitResult.TERMINATE;
            }
            if (Files.isDirectory(path, LinkOption.NOFOLLOW_LINKS)) {
                if (dirs != null) {
                    dirs.add(path);
                }
                //get immediate children files
                File[] content = path.toFile().listFiles();
                for (File file : content) {
                    if (!file.isDirectory()) {
                        validateAndAdd(file.toPath(), expression, files);
                    }
                }
            } else {
                // Path is a file, add to list of files if it matches the expression
                validateAndAdd(path, expression, files);
            }
            return FileVisitResult.CONTINUE;
        }
    });
}

Example 20 with FileVisitResult

use of java.nio.file.FileVisitResult in project beam by apache.

the class ApexYarnLauncher method createJar.

/**
   * Create a jar file from the given directory.
   * @param dir source directory
   * @param jarFile jar file name
   * @throws IOException when file cannot be created
   */
public static void createJar(File dir, File jarFile) throws IOException {
    final Map<String, ?> env = Collections.singletonMap("create", "true");
    if (jarFile.exists() && !jarFile.delete()) {
        throw new RuntimeException("Failed to remove " + jarFile);
    }
    URI uri = URI.create("jar:" + jarFile.toURI());
    try (final FileSystem zipfs = FileSystems.newFileSystem(uri, env)) {
        File manifestFile = new File(dir, JarFile.MANIFEST_NAME);
        Files.createDirectory(zipfs.getPath("META-INF"));
        try (final OutputStream out = Files.newOutputStream(zipfs.getPath(JarFile.MANIFEST_NAME))) {
            if (!manifestFile.exists()) {
                new Manifest().write(out);
            } else {
                FileUtils.copyFile(manifestFile, out);
            }
        }
        final java.nio.file.Path root = dir.toPath();
        Files.walkFileTree(root, new java.nio.file.SimpleFileVisitor<Path>() {

            String relativePath;

            @Override
            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                relativePath = root.relativize(dir).toString();
                if (!relativePath.isEmpty()) {
                    if (!relativePath.endsWith("/")) {
                        relativePath += "/";
                    }
                    if (!relativePath.equals("META-INF/")) {
                        final Path dstDir = zipfs.getPath(relativePath);
                        Files.createDirectory(dstDir);
                    }
                }
                return super.preVisitDirectory(dir, attrs);
            }

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                String name = relativePath + file.getFileName();
                if (!JarFile.MANIFEST_NAME.equals(name)) {
                    try (final OutputStream out = Files.newOutputStream(zipfs.getPath(name))) {
                        FileUtils.copyFile(file.toFile(), out);
                    }
                }
                return super.visitFile(file, attrs);
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                relativePath = root.relativize(dir.getParent()).toString();
                if (!relativePath.isEmpty() && !relativePath.endsWith("/")) {
                    relativePath += "/";
                }
                return super.postVisitDirectory(dir, exc);
            }
        });
    }
}