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:net.doubledoordev.backend.server.Server.java

public void init() {
    if (this.logger != null)
        return; // don't do this twice.
    this.logger = LogManager.getLogger(ID);
    this.folder = new File(SERVERS, ID);
    this.backupFolder = new File(BACKUPS, ID);
    this.propertiesFile = new File(folder, SERVER_PROPERTIES);

    if (!backupFolder.exists())
        backupFolder.mkdirs();/*ww  w  .  j a va  2s  . c  o m*/
    if (!folder.exists())
        folder.mkdir();

    try {
        SizeCounter sizeCounter = new SizeCounter();
        Files.walkFileTree(getFolder().toPath(), sizeCounter);
        size[0] = sizeCounter.getSizeInMB();
        sizeCounter = new SizeCounter();
        if (getBackupFolder().exists())
            Files.walkFileTree(getBackupFolder().toPath(), sizeCounter);
        size[1] = sizeCounter.getSizeInMB();
        size[2] = size[0] + size[1];
    } catch (IOException ignored) {
    }
    try {
        getProperties();
        saveProperties();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:com.gitpitch.services.DiskService.java

public void copyDirectory(Path source, Path dest) {

    log.debug("copyDirectory: source={}, dest={}", source, dest);

    try {//from   w w  w  .j  av  a 2 s.com

        Files.walkFileTree(source, new SimpleFileVisitor<Path>() {

            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {

                Path relative = source.relativize(dir);
                Path visitPath = Paths.get(dest.toString(), relative.toString());
                ensure(visitPath);
                return FileVisitResult.CONTINUE;
            }

            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {

                Path copyTarget = Paths.get(dest.toString(), source.relativize(file).toString());
                if (!file.getFileName().toString().matches("\\..*")
                        && !copyTarget.getFileName().toString().matches("\\..*")) {
                    Files.copy(file, copyTarget);
                }
                return FileVisitResult.CONTINUE;
            }
        });

    } catch (Exception cex) {
        log.warn("copyDirectory: source={}, dest={}, ex={}", source, dest, cex);
    }
}

From source file:org.fao.geonet.kernel.harvest.harvester.localfilesystem.LocalFilesystemHarvester.java

/**
 * Aligns new results from filesystem harvesting. Contrary to practice in e.g. CSW Harvesting,
 * files removed from the harvesting source are NOT removed from the database. Also, no checks
 * on modification date are done; the result gets inserted or replaced if the result appears to
 * be in a supported schema./* w ww .  j a v a 2  s  . co m*/
 *
 * @param root the directory to visit
 */
private HarvestResult align(Path root) throws Exception {
    log.debug("Start of alignment for : " + params.getName());
    final LocalFsHarvesterFileVisitor visitor = new LocalFsHarvesterFileVisitor(cancelMonitor, context, params,
            this, log);
    if (params.recurse) {
        Files.walkFileTree(root, visitor);
    } else {
        try (DirectoryStream<Path> paths = Files.newDirectoryStream(root)) {
            for (Path path : paths) {
                if (path != null && Files.isRegularFile(path)) {
                    visitor.visitFile(path, Files.readAttributes(path, BasicFileAttributes.class));
                }
            }
        }
    }
    result = visitor.getResult();
    log.debug(String.format("Scan directory is done. %d files analyzed.", result.totalMetadata));
    Set<Integer> idsForHarvestingResult = visitor.getListOfRecords();
    Set<Integer> idsResultHs = Sets.newHashSet(idsForHarvestingResult);

    if (!params.nodelete) {
        log.debug("Starting to delete locally existing metadata " + "from the same source if they "
                + " were not in this harvesting result...");
        List<Integer> existingMetadata = context.getBean(MetadataRepository.class)
                .findAllIdsBy(MetadataSpecs.hasHarvesterUuid(params.getUuid()));
        for (Integer existingId : existingMetadata) {

            if (cancelMonitor.get()) {
                return this.result;
            }
            if (!idsResultHs.contains(existingId)) {
                log.debug("  Removing: " + existingId);
                dataMan.deleteMetadata(context, existingId.toString());
                result.locallyRemoved++;
            }
        }
    }

    log.debug("Starting indexing in batch thread pool...");

    List<Integer> listOfRecordsToIndex = Lists.newArrayList(visitor.getListOfRecordsToIndex());
    log.debug(String.format("Starting indexing in batch thread pool of %d updated records ...",
            listOfRecordsToIndex.size()));
    dataMan.batchIndexInThreadPool(context, listOfRecordsToIndex);

    log.debug("End of alignment for : " + params.getName());
    return result;
}

From source file:org.cryptomator.frontend.webdav.servlet.DavFolder.java

public void removeMemberInternal(DavNode member) throws DavException {
    try {/* www . j  a v  a  2s  . c  om*/
        // The DELETE method on a collection must act as if a "Depth: infinity" header was used on it
        Files.walkFileTree(member.path, new DeletingFileVisitor());
    } catch (NoSuchFileException e) {
        throw new DavException(DavServletResponse.SC_NOT_FOUND);
    } catch (IOException e) {
        throw new DavException(DavServletResponse.SC_INTERNAL_SERVER_ERROR, e);
    }
}

From source file:org.apache.tika.batch.fs.strawman.StrawManTikaAppDriver.java

@Override
public Integer call() throws Exception {
    long start = new Date().getTime();
    TikaVisitor v = new TikaVisitor();
    Files.walkFileTree(inputRoot, v);
    int processed = v.getProcessed();
    double elapsedSecs = ((double) new Date().getTime() - (double) start) / (double) 1000;
    LOG.info("Finished processing {} files in {} seconds.", processed, elapsedSecs);
    return processed;
}

From source file:sadl.modellearner.rtiplus.SimplePDRTALearner.java

private Path initStepsDir(String dir) throws IOException {

    if (dir != null) {
        final Path p = Paths.get(dir, "steps");
        if (Files.exists(directory) && Files.isDirectory(directory)) {
            Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
                @Override//from   www . j  a  v a 2s.  c o  m
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    Files.delete(file);
                    return FileVisitResult.CONTINUE;
                }

                @Override
                public FileVisitResult postVisitDirectory(Path d, IOException e) throws IOException {
                    if (e == null) {
                        Files.delete(d);
                        return FileVisitResult.CONTINUE;
                    } else {
                        throw e;
                    }
                }
            });
        }
        Files.createDirectories(directory);
        return p;
    } else {
        return null;
    }
}

From source file:uk.co.unclealex.executable.impl.MakeLinksCommandRunnerTest.java

protected Path copy(String testCase, String directoryName) throws IOException {
    Path sourceDir = rootDir.resolve(testCase).resolve(directoryName);
    Path target = tmpDir.resolve(directoryName);
    Files.createDirectories(target);
    if (Files.exists(sourceDir)) {
        FileUtils.copyDirectory(sourceDir.toFile(), target.toFile());
        FileVisitor<Path> visitor = new SimpleFileVisitor<Path>() {
            @Override/*  ww w  .j  av a 2 s  . c  o  m*/
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                String name = file.getFileName().toString();
                for (Entry<String, Path> entry : symlinksByName.entrySet()) {
                    String suffix = entry.getKey();
                    Path symlink = entry.getValue();
                    if (name.endsWith(suffix)) {
                        Files.delete(file);
                        String newName = name.substring(0, name.length() - suffix.length());
                        Files.createSymbolicLink(file.resolveSibling(newName), symlink);
                        return FileVisitResult.CONTINUE;
                    }
                }
                return FileVisitResult.CONTINUE;
            }
        };
        Files.walkFileTree(target, visitor);
    }
    return target;
}

From source file:au.edu.uq.cmm.paul.servlet.WebUIController.java

private ArrayList<BuildInfo> loadBuildInfo(ServletContext servletContext) {
    final ArrayList<BuildInfo> res = new ArrayList<>();
    res.add(BuildInfo.readBuildInfo("au.edu.uq.cmm", "aclslib"));
    res.add(BuildInfo.readBuildInfo("au.edu.uq.cmm", "eccles"));
    try {// w w  w  .j  a va 2 s  . c  o m
        Path start = FileSystems.getDefault().getPath(servletContext.getRealPath("/META-INF/maven"));
        Files.walkFileTree(start, new SimpleFileVisitor<Path>() {
            @Override
            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                if (file.getFileName().toString().equals("pom.properties")) {
                    try (InputStream is = new FileInputStream(file.toFile())) {
                        res.add(BuildInfo.readBuildInfo(is));
                    }
                }
                return FileVisitResult.CONTINUE;
            }
        });
    } catch (IOException ex) {
        LOG.error("Problem loading build info");
    }
    return res;
}

From source file:com.opentable.etcd.EtcdInstance.java

@Override
public synchronized void close() {
    stop();/*  ww  w.  j  ava2  s. c  o  m*/
    try {
        if (configuration.isDestroyNodeOnExit()) {
            Files.walkFileTree(configuration.getDataDirectory(), DeleteRecursively.INSTANCE);
        }
    } catch (IOException e) {
        LOGGER.warn("Failed to delete etcd data directoy", e);
    }
}

From source file:org.cryptomator.webdav.jackrabbit.EncryptedDir.java

@Override
public void removeMember(DavResource member) throws DavException {
    final Path memberPath = ResourcePathUtils.getPhysicalPath(member);
    try {/* w w w  . ja va2  s .  c  o  m*/
        if (Files.exists(memberPath)) {
            Files.walkFileTree(memberPath, new DeletingFileVisitor());
        }
    } catch (SecurityException e) {
        throw new DavException(DavServletResponse.SC_FORBIDDEN, e);
    } catch (IOException e) {
        throw new IORuntimeException(e);
    }
}