Example usage for java.nio.file Files list

Introduction

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

Prototype

public static Stream<Path> list(Path dir) throws IOException 

Source Link

Document

Return a lazily populated Stream , the elements of which are the entries in the directory.

Usage

From source file:org.apache.geode.management.internal.cli.util.LogExporter.java

private List<Path> findFiles(Path workingDir, Predicate<Path> fileSelector) throws IOException {
    Stream<Path> selectedFiles/* = null */;
    if (!workingDir.toFile().isDirectory()) {
        return Collections.emptyList();
    }/*from   w  w w .  j  ava  2s .  c o  m*/
    selectedFiles = Files.list(workingDir).filter(fileSelector).filter(this.logFilter::acceptsFile);

    return selectedFiles.collect(toList());
}

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From source file:com.facebook.buck.io.filesystem.impl.DefaultProjectFilesystemTest.java

@Test
public void testSymlinkForceCanDeleteDirectory() throws IOException {
    Path realFileDir = Files.createDirectory(tmp.getRoot().resolve("realfile"));
    Files.createFile(realFileDir.resolve("file"));
    Files.createFile(realFileDir.resolve("file2"));
    Path symlinkDir = Files.createDirectory(tmp.getRoot().resolve("symlink"));
    Files.createFile(symlinkDir.resolve("junk"));

    filesystem.createSymLink(symlinkDir, realFileDir, true);

    try (Stream<Path> paths = Files.list(symlinkDir)) {
        List<Path> filesFound = paths.collect(Collectors.toList());
        assertThat(filesFound, containsInAnyOrder(symlinkDir.resolve("file"), symlinkDir.resolve("file2")));
    }// ww w  .  j  a  va  2s.  co  m
}

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From source file:org.ballerinalang.composer.service.workspace.local.LocalFSWorkspace.java

/**
 * {@inheritDoc}//  w w w  .  ja  va  2 s.c o  m
 */
@Override
public JsonArray listFilesInPath(String path, List<String> extensions) throws IOException {
    Path ioPath = Paths.get(path);
    JsonArray dirs = new JsonArray();
    Iterator<Path> iterator = Files.list(ioPath).iterator();
    while (iterator.hasNext()) {
        Path next = iterator.next();
        if ((Files.isDirectory(next) || Files.isRegularFile(next)) && !Files.isHidden(next)
                && !isWindowsSystemFile(next)) {
            JsonObject jsnObj = getJsonObjForFile(next, true);
            if (Files.isRegularFile(next)) {
                Path fileName = next.getFileName();
                SuffixFileFilter fileFilter = new SuffixFileFilter(extensions, IOCase.INSENSITIVE);
                if (null != fileName && fileFilter.accept(next.toFile())) {
                    dirs.add(jsnObj);
                }
            } else {
                dirs.add(jsnObj);
            }

        }
    }
    return dirs;
}

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From source file:org.kalaider.desktop.scheduler.runner.Runner.java

private static URL[] getUrlsInDirectory(Path dir) throws Exception {
    try {// ww w .  ja v a 2 s  . co  m
        dir = dir.toRealPath();
    } catch (IOException ex) {
        LOG.fatal("Unable to access directory.", ex);
        return new URL[0];
    }
    return Files.list(dir).collect(ArrayList::new, (list, path) -> {
        try {
            list.add(path.toUri().toURL());
        } catch (MalformedURLException ex) {
            LOG.warn("Unable to create URL from path.", ex);
        }
    }, ArrayList::addAll).toArray(new URL[0]);
}

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From source file:com.fizzed.stork.deploy.Archive.java

static public void packEntry(ArchiveOutputStream aos, Path dirOrFile, String base, boolean appendName)
        throws IOException {
    String entryName = base;//from  ww w  . j a v a  2s . c om

    if (appendName) {
        if (!entryName.equals("")) {
            if (!entryName.endsWith("/")) {
                entryName += "/" + dirOrFile.getFileName();
            } else {
                entryName += dirOrFile.getFileName();
            }
        } else {
            entryName += dirOrFile.getFileName();
        }
    }

    ArchiveEntry entry = aos.createArchiveEntry(dirOrFile.toFile(), entryName);

    if (Files.isRegularFile(dirOrFile)) {
        if (entry instanceof TarArchiveEntry && Files.isExecutable(dirOrFile)) {
            // -rwxr-xr-x
            ((TarArchiveEntry) entry).setMode(493);
        } else {
            // keep default mode
        }
    }

    aos.putArchiveEntry(entry);

    if (Files.isRegularFile(dirOrFile)) {
        Files.copy(dirOrFile, aos);
        aos.closeArchiveEntry();
    } else {
        aos.closeArchiveEntry();
        List<Path> children = Files.list(dirOrFile).collect(Collectors.toList());
        if (children != null) {
            for (Path childFile : children) {
                packEntry(aos, childFile, entryName + "/", true);
            }
        }
    }
}

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From source file:com.qwazr.library.archiver.ArchiverTool.java

public void decompress_dir(final Path sourceDir, String sourceExtension, final Path destDir,
        final String destExtension) throws IOException, CompressorException {
    if (!Files.exists(sourceDir))
        throw new FileNotFoundException("The source directory does not exist: " + sourceDir.toAbsolutePath());
    if (!Files.exists(destDir))
        throw new FileNotFoundException(
                "The destination directory does not exist: " + destDir.toAbsolutePath());

    final Path[] sourceFiles;
    try (final Stream<Path> stream = Files.list(sourceDir)) {
        sourceFiles = stream.filter(p -> Files.isRegularFile(p)).toArray(Path[]::new);
    }/*from  www  . j a  v a2  s .  c  om*/
    if (sourceFiles == null)
        return;
    for (Path sourceFile : sourceFiles) {
        final String fileName = sourceFile.getFileName().toString();
        final String ext = FilenameUtils.getExtension(fileName);
        if (!sourceExtension.equals(ext))
            continue;
        String newName = FilenameUtils.getBaseName(fileName);
        if (destExtension != null)
            newName += '.' + destExtension;
        final Path destFile = destDir.resolve(newName);
        if (Files.exists(destFile))
            continue;
        decompress(sourceFile, destFile);
    }
}

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From source file:org.esa.s2tbx.dataio.gdal.GDALInstaller.java

private static void fixUpPermissions(Path destPath) throws IOException {
    Stream<Path> files = Files.list(destPath);
    files.forEach(path -> {/* ww  w  .j  a v  a  2  s  .co  m*/
        if (Files.isDirectory(path)) {
            try {
                fixUpPermissions(path);
            } catch (IOException e) {
                logger.log(Level.SEVERE, "GDAL configuration error: failed to fix permissions on " + path, e);
            }
        } else {
            setExecutablePermissions(path);
        }
    });
}

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From source file:org.opendatakit.briefcase.reused.UncheckedFiles.java

public static Stream<Path> list(Path dir) {
    try {//from  www.  j ava  2s  . c  om
        return Files.list(dir);
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

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From source file:org.apache.flink.tests.util.FlinkDistribution.java

public Stream<String> searchAllLogs(Pattern pattern, Function<Matcher, String> matchProcessor)
        throws IOException {
    final List<String> matches = new ArrayList<>(2);

    try (Stream<Path> logFilesStream = Files.list(log)) {
        final Iterator<Path> logFiles = logFilesStream.iterator();
        while (logFiles.hasNext()) {
            final Path logFile = logFiles.next();
            if (!logFile.getFileName().toString().endsWith(".log")) {
                // ignore logs for previous runs that have a number suffix
                continue;
            }/*from w  w w.  j  a va 2 s .c o m*/
            try (BufferedReader br = new BufferedReader(
                    new InputStreamReader(new FileInputStream(logFile.toFile()), StandardCharsets.UTF_8))) {
                String line;
                while ((line = br.readLine()) != null) {
                    Matcher matcher = pattern.matcher(line);
                    if (matcher.matches()) {
                        matches.add(matchProcessor.apply(matcher));
                    }
                }
            }
        }
    }
    return matches.stream();
}

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From source file:org.talend.dataprep.folder.store.file.FileSystemFolderRepository.java

@Override
public void removeFolderEntry(String folderId, String contentId, FolderContentType contentType) {

    if (contentType == null) {
        throw new IllegalArgumentException(
                "The content type of the folder entry to be removed cannot be null.");
    }//from  ww  w.j a  v  a2s.c o m

    final FolderPath folderPath = fromId(folderId);

    try {
        Path path = pathsConverter.toPath(folderPath);

        try (Stream<Path> paths = Files.list(path)) {
            paths //
                    .filter(pathFound -> !Files.isDirectory(pathFound)) //
                    .filter(pathFile -> matches(pathFile, contentId, contentType)) //
                    .forEach(deleteFile());
        }
    } catch (IOException e) {
        throw new TDPException(UNABLE_TO_REMOVE_FOLDER_ENTRY, e, build().put("path", folderPath));
    }
}

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