Example usage for java.nio.file Files walkFileTree

List of usage examples for java.nio.file Files walkFileTree

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Introduction

In this page you can find the example usage for java.nio.file Files walkFileTree.

Prototype

public static Path walkFileTree(Path start, FileVisitor<? super Path> visitor) throws IOException

Source Link

Document

Walks a file tree.

Usage

From source file:de.fatalix.book.importer.CalibriImporter.java

public static void processBooks(Path root, String solrURL, String solrCore, final int batchSize)
        throws IOException, SolrServerException {
    final SolrServer solrServer = SolrHandler.createConnection(solrURL, solrCore);
    final List<BookEntry> bookEntries = new ArrayList<>();
    Files.walkFileTree(root, new SimpleFileVisitor<Path>() {

        @Override//  w w w . j a  v a2s . c o  m
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            if (dir.toString().contains("__MACOSX")) {
                return FileVisitResult.SKIP_SUBTREE;
            }
            try (DirectoryStream<Path> directoryStream = Files.newDirectoryStream(dir)) {
                BookEntry bookEntry = new BookEntry().setUploader("admin");
                for (Path path : directoryStream) {
                    if (!Files.isDirectory(path)) {
                        if (path.toString().contains(".opf")) {
                            bookEntry = parseOPF(path, bookEntry);
                        }
                        if (path.toString().contains(".mobi")) {
                            bookEntry.setMobi(Files.readAllBytes(path)).setMimeType("MOBI");
                        }
                        if (path.toString().contains(".epub")) {
                            bookEntry.setEpub(Files.readAllBytes(path));
                        }
                        if (path.toString().contains(".jpg")) {
                            bookEntry.setCover(Files.readAllBytes(path));
                            ByteArrayOutputStream output = new ByteArrayOutputStream();
                            Thumbnails.of(new ByteArrayInputStream(bookEntry.getCover())).size(130, 200)
                                    .toOutputStream(output);
                            bookEntry.setThumbnail(output.toByteArray());
                            bookEntry.setThumbnailGenerated("done");
                        }
                    }
                }
                if (bookEntry.getMobi() != null || bookEntry.getEpub() != null) {
                    bookEntries.add(bookEntry);
                    if (bookEntries.size() > batchSize) {
                        System.out.println("Adding " + bookEntries.size() + " Books...");
                        try {
                            SolrHandler.addBeans(solrServer, bookEntries);
                        } catch (SolrServerException ex) {
                            System.out.println(ex.getMessage());
                            ex.printStackTrace();
                        }
                        bookEntries.clear();
                    }
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
            return super.preVisitDirectory(dir, attrs);
        }
    });
}

From source file:org.apdplat.superword.tools.JavaCodeAnalyzer.java

public static Map<String, AtomicInteger> parseZip(String zipFile) {
    LOGGER.info("?ZIP" + zipFile);
    Map<String, AtomicInteger> data = new HashMap<>();
    try (FileSystem fs = FileSystems.newFileSystem(Paths.get(zipFile),
            JavaCodeAnalyzer.class.getClassLoader())) {
        for (Path path : fs.getRootDirectories()) {
            LOGGER.info("?" + path);
            Files.walkFileTree(path, new SimpleFileVisitor<Path>() {

                @Override/*from  w ww  .  j ava2s. c  o m*/
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    LOGGER.info("?" + file);
                    // ?
                    Path temp = Paths.get("target/java-source-code.txt");
                    Files.copy(file, temp, StandardCopyOption.REPLACE_EXISTING);
                    Map<String, AtomicInteger> r = parseFile(temp.toFile().getAbsolutePath());
                    r.keySet().forEach(k -> {
                        data.putIfAbsent(k, new AtomicInteger());
                        data.get(k).addAndGet(r.get(k).get());
                    });
                    r.clear();
                    return FileVisitResult.CONTINUE;
                }

            });
        }
    } catch (Exception e) {
        LOGGER.error("?ZIP", e);
    }
    return data;
}

From source file:org.neo4j.io.fs.FileUtils.java

public static void deletePathRecursively(Path path) throws IOException {
    Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
        @Override//from  w ww. java2s  .  c  om
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            deleteFileWithRetries(file, 0);
            return FileVisitResult.CONTINUE;
        }

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

From source file:desktopsearch.WatchDir.java

/**
 * Register the given directory, and all its sub-directories, with the
 * WatchService./*from  ww  w .ja  v a2s .c om*/
 */
private void registerAll(final Path start) {
    // register directory and sub-directories
    try {
        Files.walkFileTree(start, new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                register(dir);
                return FileVisitResult.CONTINUE;
            }
        });
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:fi.hsl.parkandride.ExportQTypes.java

private static void deleteOldQTypes(Path packageDir) throws IOException {
    Files.walkFileTree(packageDir, new SimpleFileVisitor<Path>() {
        @Override// w  w  w.j  a  v  a2s.  c  o m
        public FileVisitResult visitFile(Path path, BasicFileAttributes attrs) throws IOException {
            if (path.getFileName().toString().startsWith(NAME_PREFIX)) {
                Files.delete(path);
            }
            return FileVisitResult.CONTINUE;
        }
    });
}

From source file:org.apache.openaz.xacml.pdp.test.conformance.ConformanceTestSet.java

public static ConformanceTestSet loadDirectory(File fileDir) throws IOException {
    final Map<String, ConformanceTest> mapConformanceTests = new HashMap<String, ConformanceTest>();

    Files.walkFileTree(fileDir.toPath(), new FileVisitor<Path>() {
        @Override//from  w w  w.j a  v a  2s  .  c  om
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            logger.info("Scanning directory " + dir.getFileName());
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            File fileVisited = file.toFile();
            String fileName = fileVisited.getName();
            if (fileName.endsWith(".xml") || fileName.endsWith(".properties")) {
                String testName = getTestName(fileVisited);
                if (testName != null) {
                    ConformanceTest conformanceTest = mapConformanceTests.get(testName);
                    if (conformanceTest == null) {
                        logger.info("Added test " + testName);
                        conformanceTest = new ConformanceTest(testName);
                        mapConformanceTests.put(testName, conformanceTest);
                    }
                    if (fileName.endsWith("Policy.xml")) {
                        conformanceTest.getRepository().addRootPolicy(fileVisited);
                    } else if (fileName.endsWith("Repository.properties")) {
                        conformanceTest.getRepository().load(fileVisited);
                    } else if (fileName.endsWith("Request.xml")) {
                        conformanceTest.setRequest(fileVisited);
                    } else if (fileName.endsWith("Response.xml")) {
                        conformanceTest.setResponse(fileVisited);
                    }
                }
            }
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
            logger.warn("Skipped " + file.getFileName());
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
            return FileVisitResult.CONTINUE;
        }
    });

    /*
     * Sort the keyset and pull out the tests that have the required components
     */
    List<String> listTestNames = new ArrayList<String>();
    listTestNames.addAll(mapConformanceTests.keySet());
    Collections.sort(listTestNames);

    ConformanceTestSet conformanceTestSet = new ConformanceTestSet();
    Iterator<String> iterTestNames = listTestNames.iterator();
    while (iterTestNames.hasNext()) {
        ConformanceTest conformanceTest = mapConformanceTests.get(iterTestNames.next());
        if (conformanceTest.isComplete()) {
            conformanceTestSet.addConformanceTest(conformanceTest);
            logger.debug("Added conformance test " + conformanceTest.getTestName());
        } else {
            logger.warn("Incomplete conformance test " + conformanceTest.getTestName());
        }
    }

    return conformanceTestSet;

}

From source file:io.crate.testing.Utils.java

public static void deletePath(Path path) throws IOException {
    Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
        @Override//from w  ww  .  j  a  va2  s.c  o m
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            Files.delete(file);
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
            Files.delete(dir);
            return FileVisitResult.CONTINUE;
        }

    });
}

From source file:internal.diff.fs.service.FileSystemDirectoryMetadataServiceImpl.java

@Override
public DirectoryMetadata getMetadata(String path) {

    Path startPath = Paths.get(path);
    DirectoryMetadataBuildingFileVisitor visitor = new DirectoryMetadataBuildingFileVisitor();

    try {/*from w w w  .  j  a  v  a  2 s. c  om*/
        Files.walkFileTree(startPath, visitor);
    } catch (IOException e) {
        e.printStackTrace();
    }

    return visitor.getRootDirectory();
}

From source file:com.netease.hearttouch.hthotfix.patch.PatchGeneratorTransformExecutor.java

public void transformDirectory(File inputFile, File outputFile) throws IOException {

    Path inputDir = inputFile.toPath();
    Path outputDir = outputFile.toPath();

    if (!Files.isDirectory(inputDir)) {
        return;/*w  ww .j a  v  a 2 s. c o  m*/
    }
    final OutputDirectory outputDirectory = new OutputDirectory(outputDir);
    Files.walkFileTree(inputDir, new ClasspathVisitor() {
        @Override
        protected void visitClass(Path path, byte[] bytecode) throws IOException {
            ClassReader cr = new ClassReader(bytecode);
            String className = cr.getClassName();

            if (extension.getGeneratePatch()) {
                if (hashFileParser == null) {
                    project.getLogger().error("hashFileParser is null,do you set  generatePath true?");
                }

                if ((hashFileParser != null) && (hashFileParser.isChanged(className, bytecode))) {
                    project.getLogger().error("has change classname,\t" + className);

                    ResourceDiffChecker.checkClass(project, className);
                    patchJarHelper.writeClassToDirectory(className, hackInjector.inject(className, bytecode));
                    refScanInstrument.addPatchClassName(className, hackInjector.getLastSuperName());

                }
            }
            outputDirectory.writeClass(className, bytecode);
        }

        @Override
        protected void visitResource(Path relativePath, byte[] content) throws IOException {
            outputDirectory.writeFile(relativePath, content);

        }
    });
}

From source file:org.apdplat.superword.extract.HyphenExtractor.java

public static Map<String, AtomicInteger> parseDir(String dir) {
    Map<String, AtomicInteger> data = new HashMap<>();
    LOGGER.info("?" + dir);
    try {/*from  ww  w .  j av  a 2  s.  c  o m*/
        Files.walkFileTree(Paths.get(dir), new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                Map<String, AtomicInteger> rs = parseFile(file.toFile().getAbsolutePath());
                rs.keySet().forEach(k -> {
                    data.putIfAbsent(k, new AtomicInteger());
                    data.get(k).addAndGet(rs.get(k).get());
                });
                return FileVisitResult.CONTINUE;
            }

        });
    } catch (IOException e) {
        LOGGER.error("?", e);
    }
    return data;
}