Example usage for java.nio.file Files newDirectoryStream

Introduction

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

Prototype

public static DirectoryStream<Path> newDirectoryStream(Path dir, DirectoryStream.Filter<? super Path> filter)
        throws IOException 

Source Link

Document

Opens a directory, returning a DirectoryStream to iterate over the entries in the directory.

Usage

From source file:org.sonar.java.AbstractJavaClasspath.java

private static List<File> getLibs(Path dir) throws IOException {
    Filter<Path> filter = path -> {
        String name = path.getFileName().toString();
        return name.endsWith(".jar") || name.endsWith(".zip") || name.endsWith(".aar");
    };/*from   w w w . j a v a 2s  . c  o  m*/

    List<File> files = new ArrayList<>();
    try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir, filter)) {
        stream.forEach(p -> files.add(p.toFile()));
    }
    return files;
}

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From source file:net.kemuri9.sling.filesystemprovider.impl.PersistenceHelper.java

private static Path getPropertyFile(FileSystemProviderResource resource) {
    try {/* ww  w  .j a va 2  s .  c o  m*/
        Iterator<Path> files = Files.newDirectoryStream(resource.getFile(), DIR_STREAM_FILTER_PROPERTIES)
                .iterator();
        return (files.hasNext()) ? files.next() : null;
    } catch (IOException e) {
        log.error("unable to find properties file");
    }
    return null;
}

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From source file:org.alfresco.repo.bulkimport.impl.DirectoryAnalyserImpl.java

private List<Path> listFiles(Path sourceDirectory, DirectoryStream.Filter<Path> filter) {
    List<Path> files = new ArrayList<Path>();
    try (DirectoryStream<Path> paths = (filter != null) ? Files.newDirectoryStream(sourceDirectory, filter)
            : Files.newDirectoryStream(sourceDirectory)) {
        for (Iterator<Path> it = paths.iterator(); it.hasNext();) {
            files.add(it.next());/*from w  ww. j av a 2 s.  com*/
        }
    } catch (IOException e) {
        log.error(e.getMessage());
    }
    return files;
}

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From source file:org.glite.authz.pep.pip.provider.InInfoFileIssuerDNMatcher.java

/**
 * Adds all .info files from the grid-security/certificates folder to the
 * variable infoFilesAll. As last the method returns a list containing
 * Strings. The Strings contain all *.info files.
 * /* www .  j  a  v a2 s  .c o  m*/
 * @return A list of strings. The strings represent *.info file.
 */
private List<String> findAllInfoFiles() throws IOException {
    List<String> infoFilesAll = new ArrayList<String>();
    DirectoryStream<Path> stream = null;
    try {
        stream = Files.newDirectoryStream(Paths.get(acceptedtrustInfoDir), "*.info");
    } catch (Exception e) {
        log.error(e.getMessage());
        return infoFilesAll;
    }

    try {
        for (Path entry : stream) {
            if (Files.isRegularFile(entry, LinkOption.NOFOLLOW_LINKS)) {
                infoFilesAll.add(entry.getFileName().toString());
            }
        }

    } catch (Exception e) {
        log.error(e.getMessage());
    } finally {
        stream.close();
    }

    return infoFilesAll;
}

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From source file:neembuu.uploader.zip.generator.NUZipFileGenerator.java

private void handleClassEntry(Path pathInZip, final Class c, FileSystem fs, Path uploadersDirectory)
        throws IOException {
    Path classLocationOnDisk = uploadersDirectory.resolve(pathInZip.toString());
    DirectoryStream<Path> ds = Files.newDirectoryStream(classLocationOnDisk,
            new DirectoryStream.Filter<Path>() {
                @Override/*from   ww  w .  j  av a 2  s .com*/
                public boolean accept(Path entry) throws IOException {
                    String fn = entry.getFileName().toString();
                    String cn = c.getSimpleName();
                    return fn.equals(cn + ".class") || fn.startsWith(cn + "$");
                }
            });
    for (Path p : ds) {
        byte[] b = Files.readAllBytes(p);
        Files.write(pathInZip.resolve(p.getFileName().toString()), b);
    }

    // say we want to zie SomeClass.class
    // then we also need to zip SomeClass$1.class
    // That is, we also need to zip inner classes and inner annoymous classes 
    // into the zip as well
}

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From source file:com.cpjit.swagger4j.util.ReflectUtils.java

/**
 * ????//ww  w . java 2 s.  c om
 * 
 * @param packageName
 * @return ????null
 *       0
 *       <li>?packNames0</li>
 *       <li>??</li>
 * @throws FileNotFoundException ?
 * @throws IllegalArgumentException ???
 * @since 1.0.0
 */
public static List<String> scanClazzName(String packageName)
        throws FileNotFoundException, IllegalArgumentException {
    String pack2path = packageName.replaceAll("\\.", "/");
    if (StringUtils.isBlank(packageName)) {
        pack2path = "";
    }

    URL fullPath = ResourceUtil.getResource(pack2path);
    if (fullPath == null) {
        throw new FileNotFoundException("[" + packageName + "]?");
    }
    Path pack;
    try {
        pack = Paths.get(fullPath.toURI());
    } catch (URISyntaxException e) {
        throw new IllegalArgumentException(e);
    }
    if (!Files.isDirectory(pack)) {
        throw new IllegalArgumentException("[" + packageName + "]????");
    }

    Set<String> clazzNames = new HashSet<String>();
    String prefix = StringUtils.isBlank(packageName) ? "" : packageName + ".";
    // ?Java?
    try (DirectoryStream<Path> clazzs = Files.newDirectoryStream(pack, "*.class");) {
        clazzs.forEach(clazz -> { // ???
            String clazzName = prefix + clazz.getFileName().toString().replace(".class", "");
            clazzNames.add(clazzName);
        });
    } catch (IOException e) {
        throw new IllegalArgumentException(e);
    }

    if (clazzNames.size() < 1) { // ?
        return Collections.emptyList();
    }
    return new ArrayList<String>(clazzNames);
}

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From source file:org.opencastproject.staticfiles.impl.StaticFileServiceImpl.java

private Path getFile(final String org, final String uuid) throws NotFoundException, IOException {
    // First check if the file is part of the durable storage section
    try (DirectoryStream<Path> dirs = Files.newDirectoryStream(getDurableStorageDir(org),
            getDirsEqualsUuidFilter(uuid))) {
        for (Path dir : dirs) {
            try (DirectoryStream<Path> files = Files.newDirectoryStream(dir)) {
                for (Path file : files) {
                    return file;
                }// w  ww.j av  a2s.c  o  m
            }
        }
    }

    // Second check if the file is part of the temporary storage section
    try (DirectoryStream<Path> dirs = Files.newDirectoryStream(getTemporaryStorageDir(org),
            getDirsEqualsUuidFilter(uuid))) {
        for (Path dir : dirs) {
            try (DirectoryStream<Path> files = Files.newDirectoryStream(dir)) {
                for (Path file : files) {
                    return file;
                }
            }
        }
    }

    throw new NotFoundException(format("No file with UUID '%s' found.", uuid));
}

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From source file:org.codice.ddf.configuration.admin.ConfigurationAdminMigration.java

private DirectoryStream<Path> getFailedDirectoryStream() throws IOException {
    return Files.newDirectoryStream(failedDirectory, FILE_FILTER);
}

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From source file:dk.dma.msiproxy.common.repo.RepositoryService.java

/**
 * Returns a list of files in the folder specified by the path
 * @param path the path//from  ww w  .j a v  a 2  s.c om
 * @return the list of files in the folder specified by the path
 */
@GET
@javax.ws.rs.Path("/list/{folder:.+}")
@Produces("application/json;charset=UTF-8")
@NoCache
public List<Attachment> listFiles(@PathParam("folder") String path) throws IOException {

    List<Attachment> result = new ArrayList<>();
    Path folder = repoRoot.resolve(path);

    if (Files.exists(folder) && Files.isDirectory(folder)) {

        // Filter out directories, hidden files, thumbnails and map images
        DirectoryStream.Filter<Path> filter = file -> Files.isRegularFile(file)
                && !file.getFileName().toString().startsWith(".")
                && !file.getFileName().toString().matches(".+_thumb_\\d{1,3}\\.\\w+") && // Thumbnails
                !file.getFileName().toString().matches("map_\\d{1,3}\\.png"); // Map image

        try (DirectoryStream<Path> stream = Files.newDirectoryStream(folder, filter)) {
            stream.forEach(f -> {
                Attachment vo = new Attachment();
                vo.setName(f.getFileName().toString());
                vo.setPath(WebUtils.encodeURI(path + "/" + f.getFileName().toString()));
                vo.setDirectory(Files.isDirectory(f));
                try {
                    vo.setUpdated(new Date(Files.getLastModifiedTime(f).toMillis()));
                    vo.setSize(Files.size(f));
                } catch (Exception e) {
                    log.trace("Error reading file attribute for " + f);
                }
                result.add(vo);
            });
        }
    }
    return result;
}

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From source file:codes.thischwa.c5c.impl.LocalConnector.java

/**
 * Construct from dir request./*from w w  w.  j  a  v  a  2 s . c  om*/
 * @param dir the dir
 * @param needSize the need size
 * @return the folder info
 * @throws C5CException the connector exception
 */
private Set<FileProperties> constructFromDirRequest(Path dir, boolean needSize) throws C5CException {
    Set<FileProperties> props = new HashSet<>();

    // add dirs
    try {
        for (Path d : Files.newDirectoryStream(dir, new DirectoryStream.Filter<Path>() {
            @Override
            public boolean accept(Path entry) throws IOException {
                return Files.isDirectory(entry) && checkFolderName(entry.getFileName().toString());
            }
        })) {
            boolean isProtected = isProtected(d);
            FileProperties fp = buildForDirectory(d.getFileName().toString(), isProtected,
                    new Date(Files.getLastModifiedTime(d).toMillis()));
            props.add(fp);
        }
    } catch (IOException | SecurityException e) {
        throw new C5CException(String.format("Error while fetching sub-directories from [%s]: %s",
                dir.toAbsolutePath().toString(), e.getMessage()));
    }

    // add files
    try {
        for (Path f : Files.newDirectoryStream(dir, new DirectoryStream.Filter<Path>() {
            @Override
            public boolean accept(Path entry) throws IOException {
                return Files.isRegularFile(entry) && checkFilename(entry.getFileName().toString());
            }
        })) {
            props.add(constructFileInfo(f, needSize));
        }
    } catch (IOException | SecurityException e) {
        throw new C5CException(String.format("Error while fetching files from [%s]: %s",
                dir.toAbsolutePath().toString(), e.getMessage()));
    }

    return props;
}

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