Example usage for java.nio.file Files walkFileTree

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:org.global.canvas.services.impl.StorageServiceImpl.java

@PostConstruct
public void init() throws IOException {

    Path directory = Paths.get("/tmp/canvas/");
    Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
        @Override/*from   w  ww . j ava  2 s  . com*/
        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;
        }

    });
    System.out.println("Dir deleted.. let's create it now..");
    File dir = new File("/tmp/canvas/");
    boolean created = dir.mkdir();

}

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

public static Set<SynonymAntonym> parseDir(String dir) {
    Set<SynonymAntonym> data = new HashSet<>();
    LOGGER.info("?" + dir);
    try {/*  w  ww.j  a v a2s  .c o m*/
        Files.walkFileTree(Paths.get(dir), new SimpleFileVisitor<Path>() {

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                data.addAll(parseFile(file.toFile().getAbsolutePath()));
                return FileVisitResult.CONTINUE;
            }

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

From source file:org.cryptomator.cryptofs.CryptoFileSystemProviderIntegrationTest.java

@After
public void teardown() throws IOException {
    Files.walkFileTree(tmpPath, new DeletingFileVisitor());
}

From source file:org.wildfly.plugin.server.Archives.java

/**
 * Recursively deletes a directory. If the directory does not exist it's ignored.
 *
 * @param dir the directory/*from w w w .  jav a  2  s. co m*/
 *
 * @throws java.lang.IllegalArgumentException if the argument is not a directory
 */
public static void deleteDirectory(final Path dir) throws IOException {
    if (Files.notExists(dir))
        return;
    if (!Files.isDirectory(dir)) {
        throw new IllegalArgumentException(String.format("Path '%s' is not a directory.", dir));
    }
    Files.walkFileTree(dir, new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult visitFile(final Path file, final BasicFileAttributes attrs) throws IOException {
            Files.delete(file);
            return CONTINUE;
        }

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

From source file:net.sourceforge.pmd.docs.RuleDocGeneratorTest.java

@After
public void cleanup() throws IOException {
    Files.walkFileTree(root, new SimpleFileVisitor<Path>() {
        @Override/*  ww w.j  a va 2  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:energy.usef.environment.tool.util.FileUtil.java

public static void removeFolders(String folderName) throws IOException {
    if (folderName == null || folderName.isEmpty() || folderName.trim().equals("\\")
            || folderName.trim().equals("/")) {
        LOGGER.warn("Prevent to delete folders recursively from the root location.");
    } else {/*from  w  ww.j ava2s .c o  m*/
        Path directory = Paths.get(folderName);
        Files.walkFileTree(directory, 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 exc) throws IOException {
                LOGGER.debug("Removing folder " + dir);
                Files.delete(dir);
                return FileVisitResult.CONTINUE;
            }
        });
    }
}

From source file:com.netease.hearttouch.hthotfix.HashTransformExecutor.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  av a2 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()) {
                hashFileGenerator.addClass(bytecode);
                outputDirectory.writeClass(className, hackInjector.inject(className, bytecode));
            } else {
                outputDirectory.writeClass(className, bytecode);
            }
        }

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

From source file:util.ManageResults.java

/**
 * // w  w w. ja v  a 2  s .c  o m
 * @param instances
 * @param algorithms
 * @return the paths containing the results based on the instances and algorithms passed
 */
static List<Path> getPaths(List<String> instances, List<String> algorithms) {
    final List<Path> paths = new ArrayList<>();
    for (String instance : instances) {
        for (String algorithm : algorithms) {
            String path = "experiment/" + instance + "/" + algorithm;

            try {
                Path startPath = Paths.get(path);
                Files.walkFileTree(startPath, new SimpleFileVisitor<Path>() {
                    @Override
                    public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
                        //System.out.println("Dir: " + dir.toString());
                        return FileVisitResult.CONTINUE;
                    }

                    @Override
                    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) {
                        //System.out.println("File: " + file.toString());
                        if (!file.getFileName().toString().contains("KruskalWallisResults")
                                && !file.getFileName().toString().contains("Hypervolume_Results")) {
                            Path currentPath = file.getParent();

                            if (!paths.contains(currentPath)) {
                                paths.add(currentPath);
                            }
                        }
                        return FileVisitResult.CONTINUE;
                    }

                    @Override
                    public FileVisitResult visitFileFailed(Path file, IOException e) {
                        return FileVisitResult.CONTINUE;
                    }
                });
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return paths;
}

From source file:org.eclipse.vorto.codegen.api.CopyResourceTask.java

public void generate(Context metaData, IMappingContext mappingContext, final IGeneratedWriter outputter) {
    try {/*from www.  j  av a 2s.c o m*/
        Path start = Paths.get(basePath.toURI());
        Files.walkFileTree(start, new FileVisitor<Path>() {

            @Override
            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                outputter.write(new Generated(file.getFileName().toFile().getName(),
                        getOutputPath(file).isEmpty() ? null : getOutputPath(file),
                        FileUtils.readFileToByteArray((file.toFile()))));
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {

                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {

                return FileVisitResult.CONTINUE;
            }
        });
    } catch (IOException ioEx) {
        throw new RuntimeException(ioEx);
    } catch (URISyntaxException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

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

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

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

    if (!Files.isDirectory(inputDir)) {
        return;//from ww w  .  j a v  a 2  s  .co  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() && extension.getScanRef()) {
                if (!refScanInstrument.isPatchClass(className.replace("/", "."))) {
                    boolean bPatchRef = refScanInstrument.hasReference(bytecode, project);
                    if (bPatchRef) {
                        patchJarHelper.writeClassToDirectory(className, bytecode);
                    }
                }
            }
            outputDirectory.writeClass(className, bytecode);
        }

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

        }
    });
}