Example usage for java.nio.file FileVisitor FileVisitor

Introduction

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

Prototype

FileVisitor

Source Link

Usage

From source file:com.excelsiorjet.api.util.Utils.java

public static void cleanDirectory(File f) throws IOException {
    Files.walkFileTree(f.toPath(), new FileVisitor<Path>() {
        @Override// www .java2  s  .  co m
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            return FileVisitResult.CONTINUE;
        }

        private void deleteFile(File f) throws IOException {
            if (!f.delete()) {
                if (f.exists()) {
                    throw new IOException(Txt.s("JetApi.UnableToDelete.Error", f.getAbsolutePath()));
                }
            }
        }

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

        @Override
        public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
            if (file.toFile().exists()) {
                throw new IOException(Txt.s("JetApi.UnableToDelete.Error", f.getAbsolutePath()));
            }
            return FileVisitResult.CONTINUE;
        }

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

---

From source file:file.FileOperatorTest.java

public static List<Path> testWalkFile() throws Exception {
    List<Path> paths = Lists.newArrayList();
    long a = System.currentTimeMillis();
    Files.walkFileTree(Paths.get(ROOT_DIR), new FileVisitor<Path>() {
        @Override//from   w w  w.j a v  a2 s  .  c  o  m
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            paths.add(file);
            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;
        }
    });
    long b = System.currentTimeMillis();
    System.out.println(":" + (b - a));
    return paths;
}

---

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

public void generate(Context metaData, IMappingContext mappingContext, final IGeneratedWriter outputter) {
    try {/* w  w w.  j  ava  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: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/*  ww  w  . j  ava 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:de.alexkamp.sandbox.ChrootSandboxFactory.java

@Override
public void deleteSandbox(final SandboxData sandbox) {
    File copyDir = sandbox.getBaseDir();

    try {//from   www.j a  v  a  2 s  .  c o  m
        final AtomicInteger depth = new AtomicInteger(0);
        Files.walkFileTree(copyDir.toPath(), new FileVisitor<Path>() {
            @Override
            public FileVisitResult preVisitDirectory(Path path, BasicFileAttributes basicFileAttributes)
                    throws IOException {
                int d = depth.getAndIncrement();

                // see whether the mounts are gone
                if (1 == d) {
                    for (Mount m : sandbox) {
                        if (path.endsWith(m.getMountPoint().substring(1))) {
                            if (0 != path.toFile().listFiles().length) {
                                throw new IllegalArgumentException(
                                        path.getFileName() + " has not been unmounted.");
                            }
                        }
                    }
                }

                return FileVisitResult.CONTINUE;
            }

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

            @Override
            public FileVisitResult visitFileFailed(Path path, IOException e) throws IOException {
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult postVisitDirectory(Path path, IOException e) throws IOException {
                Files.delete(path);
                depth.decrementAndGet();
                return FileVisitResult.CONTINUE;
            }
        });
    } catch (IOException e) {
        throw new SandboxException(e);
    }
}

---

From source file:org.jetbrains.webdemo.backend.executor.ExecutorUtils.java

public static ExecutionResult executeCompiledFiles(Map<String, byte[]> files, String mainClass,
        List<Path> kotlinRuntimeJars, String arguments, Path executorsPolicy, boolean isJunit)
        throws Exception {
    Path codeDirectory = null;//from  w  w  w. ja v a2s.c o m
    try {
        codeDirectory = storeFilesInTemporaryDirectory(files);
        JavaExecutorBuilder executorBuilder = new JavaExecutorBuilder().enableAssertions().setMemoryLimit(32)
                .enableSecurityManager().setPolicyFile(executorsPolicy).addToClasspath(kotlinRuntimeJars)
                .addToClasspath(jarFiles).addToClasspath(codeDirectory);
        if (isJunit) {
            executorBuilder.addToClasspath(junit);
            executorBuilder.addToClasspath(hamcrest);
            executorBuilder.setMainClass("org.jetbrains.webdemo.executors.JunitExecutor");
            executorBuilder.addArgument(codeDirectory.toString());
        } else {
            executorBuilder.setMainClass("org.jetbrains.webdemo.executors.JavaExecutor");
            executorBuilder.addArgument(mainClass);
        }

        for (String argument : arguments.split(" ")) {
            if (argument.trim().isEmpty())
                continue;
            executorBuilder.addArgument(argument);
        }

        ProgramOutput output = executorBuilder.build().execute();
        return parseOutput(output.getStandardOutput(), isJunit);
    } finally {
        try {
            if (codeDirectory != null) {
                Files.walkFileTree(codeDirectory, 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 {
                        Files.delete(file);
                        return FileVisitResult.CONTINUE;
                    }

                    @Override
                    public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
                        return FileVisitResult.TERMINATE;
                    }

                    @Override
                    public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
                        Files.delete(dir);
                        return FileVisitResult.CONTINUE;
                    }
                });
            }
        } catch (IOException e) {
            ErrorWriter.getInstance().writeExceptionToExceptionAnalyzer(e, "Can't delete code directory");
        }
    }
}

---

From source file:com.excelsiorjet.api.util.Utils.java

public static void copyDirectory(Path source, Path target) throws IOException {
    Files.walkFileTree(source, new FileVisitor<Path>() {

        @Override/*from w  w w  . j  av a2  s  .  c om*/
        public FileVisitResult preVisitDirectory(Path subfolder, BasicFileAttributes attrs) throws IOException {
            Files.createDirectories(target.resolve(source.relativize(subfolder)));
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFile(Path sourceFile, BasicFileAttributes attrs) throws IOException {
            Path targetFile = target.resolve(source.relativize(sourceFile));
            copyFile(sourceFile, targetFile);
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFileFailed(Path sourceFile, IOException e) throws IOException {
            throw new IOException(Txt.s("Utils.CannotCopyFile.Error", sourceFile.toString(), e.getMessage()),
                    e);
        }

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

---

From source file:fr.ortolang.diffusion.store.binary.BinaryStoreServiceTest.java

@After
public void tearDown() {
    try {//from  www. j a v a 2 s  . c o  m
        Files.walkFileTree(service.getBase(), 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 {
                Files.delete(file);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
                LOGGER.log(Level.SEVERE, "unable to purge temporary created filesystem", exc);
                return FileVisitResult.TERMINATE;
            }

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

        });
    } catch (IOException e) {
        LOGGER.log(Level.SEVERE, e.getMessage(), e);
    }
}

---

From source file:br.com.uol.runas.classloader.JarClassLoader.java

private void addUrlsFromDir(URL url) throws IOException, URISyntaxException {
    addURL(url);/*  ww  w.  j a v  a  2s.  c o  m*/

    Files.walkFileTree(Paths.get(url.toURI()), new FileVisitor<Path>() {
        @Override
        public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
            addURL(dir.toUri().toURL());
            return FileVisitResult.CONTINUE;
        }

        @Override
        public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
            addURL(file.toUri().toURL());
            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;
        }
    });
}

---

From source file:org.hawkular.apm.api.services.ConfigurationLoader.java

/**
 * This method loads the configuration from the supplied URI.
 *
 * @param uri The URI/*from   w ww . j ava2s .c om*/
 * @param type The type, or null if default (jvm)
 * @return The configuration
 */
protected static CollectorConfiguration loadConfig(String uri, String type) {
    final CollectorConfiguration config = new CollectorConfiguration();

    if (type == null) {
        type = DEFAULT_TYPE;
    }

    uri += java.io.File.separator + type;

    File f = new File(uri);

    if (!f.isAbsolute()) {
        if (f.exists()) {
            uri = f.getAbsolutePath();
        } else if (System.getProperties().containsKey("jboss.server.config.dir")) {
            uri = System.getProperty("jboss.server.config.dir") + java.io.File.separatorChar + uri;
        } else {
            try {
                URL url = Thread.currentThread().getContextClassLoader().getResource(uri);
                if (url != null) {
                    uri = url.getPath();
                } else {
                    log.severe("Failed to get absolute path for uri '" + uri + "'");
                }
            } catch (Exception e) {
                log.log(Level.SEVERE, "Failed to get absolute path for uri '" + uri + "'", e);
                uri = null;
            }
        }
    }

    if (uri != null) {
        String[] uriParts = uri.split(Matcher.quoteReplacement(File.separator));
        int startIndex = 0;

        // Remove any file prefix
        if (uriParts[0].equals("file:")) {
            startIndex++;
        }

        try {
            Path path = getPath(startIndex, uriParts);

            Files.walkFileTree(path, new FileVisitor<Path>() {

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

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

                @Override
                public FileVisitResult visitFile(Path path, BasicFileAttributes attrs) throws IOException {
                    if (path.toString().endsWith(".json")) {
                        String json = new String(Files.readAllBytes(path));
                        CollectorConfiguration childConfig = mapper.readValue(json,
                                CollectorConfiguration.class);
                        if (childConfig != null) {
                            config.merge(childConfig, false);
                        }
                    }
                    return FileVisitResult.CONTINUE;
                }

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

            });
        } catch (Throwable e) {
            log.log(Level.SEVERE, "Failed to load configuration", e);
        }
    }

    return config;
}

---

• «
• 1
• 2
• 3
• 4
• »