Example usage for java.nio.file StandardOpenOption READ

List of usage examples for java.nio.file StandardOpenOption READ

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

Prototype

StandardOpenOption READ

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Usage

From source file:org.cyclop.service.common.FileStorage.java

private FileChannel openForRead(Path histPath) throws IOException {
    File file = histPath.toFile();
    if (!file.exists() || !file.canRead()) {
        LOG.debug("History file not found: " + histPath);
        return null;
    }// w  w  w. j ava  2s. c o  m
    FileChannel byteChannel = FileChannel.open(histPath, StandardOpenOption.READ, StandardOpenOption.WRITE);
    FileChannel lockChannel = lock(histPath, byteChannel);
    return lockChannel;
}

From source file:org.linagora.linshare.webservice.uploadrequest.impl.FlowUploaderRestServiceImpl.java

@Path("/")
@POST//from  w w  w.j a  v a2s .  com
@Consumes("multipart/form-data")
@Override
public Response uploadChunk(@Multipart(CHUNK_NUMBER) long chunkNumber,
        @Multipart(TOTAL_CHUNKS) long totalChunks, @Multipart(CHUNK_SIZE) long chunkSize,
        @Multipart(TOTAL_SIZE) long totalSize, @Multipart(IDENTIFIER) String identifier,
        @Multipart(FILENAME) String filename, @Multipart(RELATIVE_PATH) String relativePath,
        @Multipart(FILE) InputStream file, MultipartBody body,
        @Multipart(REQUEST_URL_UUID) String uploadRequestUrlUuid, @Multipart(PASSWORD) String password)
        throws BusinessException {

    logger.debug("upload chunk number : " + chunkNumber);
    identifier = cleanIdentifier(identifier);
    Validate.isTrue(isValid(chunkNumber, chunkSize, totalSize, identifier, filename));
    try {
        logger.debug("writing chunk number : " + chunkNumber);
        java.nio.file.Path tempFile = getTempFile(identifier);
        FileChannel fc = FileChannel.open(tempFile, StandardOpenOption.CREATE, StandardOpenOption.APPEND);
        byte[] byteArray = IOUtils.toByteArray(file);
        fc.write(ByteBuffer.wrap(byteArray), (chunkNumber - 1) * chunkSize);
        fc.close();
        chunkedFiles.get(identifier).addChunk(chunkNumber);
        if (isUploadFinished(identifier, chunkSize, totalSize)) {
            logger.debug("upload finished ");
            InputStream inputStream = Files.newInputStream(tempFile, StandardOpenOption.READ);
            File tempFile2 = getTempFile(inputStream, "rest-flowuploader", filename);
            try {
                uploadRequestUrlFacade.addUploadRequestEntry(uploadRequestUrlUuid, password, tempFile2,
                        filename);
            } finally {
                deleteTempFile(tempFile2);
            }
            ChunkedFile remove = chunkedFiles.remove(identifier);
            Files.deleteIfExists(remove.getPath());
            return Response.ok("upload success").build();
        } else {
            logger.debug("upload pending ");
        }
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    return Response.ok("upload success").build();
}

From source file:org.apache.nifi.util.MockFlowFile.java

/**
 * Asserts that the content of this FlowFile is the same as the content of
 * the given path/*from   w  w  w  . j av  a2  s.c o m*/
 *
 * @param path where to find content to compare to
 * @throws IOException if io error occurs while comparing content
 */
public void assertContentEquals(final Path path) throws IOException {
    try (final InputStream in = Files.newInputStream(path, StandardOpenOption.READ)) {
        assertContentEquals(in);
    }
}

From source file:ca.polymtl.dorsal.libdelorean.statedump.Statedump.java

/**
 * Retrieve a previously-saved statedump.
 *
 * @param parentPath//from www. j  a v a 2 s  . com
 *            The expected location of the statedump file. Like the
 *            corresponding parameter in {@link #dumpState}, this is the
 *            parent path of the TC-specific subdirectory.
 * @param ssid
 *            The ID of the state system to retrieve
 * @return The corresponding de-serialized statedump. Returns null if there
 *         are no statedump for this state system ID (or no statedump
 *         directory at all).
 */
public static @Nullable Statedump loadState(Path parentPath, String ssid) {
    /* Find the state dump directory */
    Path sdPath = parentPath.resolve(STATEDUMP_DIRECTORY);
    if (!Files.isDirectory(sdPath)) {
        return null;
    }

    /* Find the state dump file */
    String fileName = ssid + FILE_SUFFIX;
    Path filePath = sdPath.resolve(fileName);
    if (!Files.exists(filePath)) {
        return null;
    }

    try (InputStreamReader in = new InputStreamReader(
            Files.newInputStream(filePath, StandardOpenOption.READ))) {
        BufferedReader bufReader = new BufferedReader(in);
        String json = bufReader.lines().collect(Collectors.joining("\n")); //$NON-NLS-1$
        JSONObject root = new JSONObject(json);

        return Serialization.stateDumpFromJsonObject(root, ssid);
    } catch (IOException | JSONException e) {
        return null;
    }
}

From source file:de.decoit.visa.rdf.RDFManager.java

/**
 * Construct a new RDFManager object. It will open and clear the TDB
 * database at the specified location if it exists. Otherwise a new database
 * will be created. The program must have read and write access to the
 * database location./*from w  w w  . j a  v  a2s. co  m*/
 *
 * @param pLocation The TDB database will be opened at this location
 * @throws IOException if the VSA template directory is not accessible
 * @throws ParserConfigurationException
 * @throws SAXException
 */
public RDFManager(String pLocation) throws IOException, ParserConfigurationException, SAXException {
    source = new ArrayList<>();
    vsaTemplates = new ArrayList<>();
    activeNamedModel = null;

    // Load a list of available VSA templates
    DirectoryStream<Path> dirStream = Files.newDirectoryStream(Paths.get("res/vsa"), "*.xml");
    DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
    for (Path p : dirStream) {
        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
        Document doc = dBuilder.parse(Files.newInputStream(p, StandardOpenOption.READ));

        doc.getDocumentElement().normalize();

        vsaTemplates.add(doc);
    }

    // Create or load the TDB database at pLocation
    ds = TDBFactory.createDataset(pLocation);

    ds.begin(ReadWrite.WRITE);

    try {
        // Do some cleanup if last run didn't clear the database
        // Remove all named models from the database
        Iterator<String> itNames = ds.listNames();
        ArrayList<String> names = new ArrayList<>();

        while (itNames.hasNext()) {
            names.add(itNames.next());
        }

        for (String n : names) {
            ds.removeNamedModel(n);
        }

        // Clear the default model
        ds.getDefaultModel().removeAll();

        ds.commit();
    } catch (Throwable ex) {
        ds.abort();
    } finally {
        ds.end();

        // Sync changes to disk
        TDB.sync(ds);
    }
}

From source file:it.greenvulcano.configuration.BaseConfigurationManager.java

@Override
public void deploy(String name) throws XMLConfigException, FileNotFoundException {

    Path configurationArchivePath = getConfigurationPath(name);

    Path current = Paths.get(XMLConfig.getBaseConfigPath());
    Path staging = current.getParent().resolve("deploy");
    Path destination = current.getParent().resolve(name);

    if (LOCK.tryLock()) {

        if (Files.exists(configurationArchivePath) && !Files.isDirectory(configurationArchivePath)) {

            try {

                ZipInputStream configurationArchive = new ZipInputStream(
                        Files.newInputStream(configurationArchivePath, StandardOpenOption.READ));

                LOG.debug("Starting deploy of configuration " + name);
                ZipEntry zipEntry = null;

                for (Path cfgFile : Files.walk(current).collect(Collectors.toSet())) {

                    if (!Files.isDirectory(cfgFile)) {

                        Path target = staging.resolve(current.relativize(cfgFile));
                        Files.createDirectories(target);

                        Files.copy(cfgFile, target, StandardCopyOption.REPLACE_EXISTING);
                    }/*from  w ww. j  av  a2s .com*/

                }

                LOG.debug("Staging new config " + name);

                while ((zipEntry = configurationArchive.getNextEntry()) != null) {

                    Path entryPath = staging.resolve(zipEntry.getName());

                    LOG.debug("Adding resource: " + entryPath);
                    if (zipEntry.isDirectory()) {
                        entryPath.toFile().mkdirs();
                    } else {

                        Path parent = entryPath.getParent();
                        if (!Files.exists(parent)) {
                            Files.createDirectories(parent);
                        }

                        Files.copy(configurationArchive, entryPath, StandardCopyOption.REPLACE_EXISTING);
                    }

                }

                //**** Deleting old config dir
                LOG.debug("Removing old config: " + current);
                Files.walk(current, FileVisitOption.FOLLOW_LINKS).sorted(Comparator.reverseOrder())
                        .map(java.nio.file.Path::toFile).forEach(File::delete);

                LOG.debug("Deploy new config " + name + " in path " + destination);
                Files.move(staging, destination, StandardCopyOption.ATOMIC_MOVE);

                setXMLConfigBasePath(destination.toString());
                LOG.debug("Deploy complete");
                deployListeners.forEach(l -> l.onDeploy(destination));

            } catch (Exception e) {

                if (Objects.nonNull(staging) && Files.exists(staging)) {
                    LOG.error("Deploy failed, rollback to previous configuration", e);
                    try {
                        Files.walk(staging, FileVisitOption.FOLLOW_LINKS).sorted(Comparator.reverseOrder())
                                .map(java.nio.file.Path::toFile).forEach(File::delete);

                        setXMLConfigBasePath(current.toString());
                    } catch (IOException | InvalidSyntaxException rollbackException) {
                        LOG.error("Failed to delete old configuration", e);
                    }
                } else {
                    LOG.error("Deploy failed", e);
                }

                throw new XMLConfigException("Deploy failed", e);
            } finally {
                LOCK.unlock();
            }
        } else {
            throw new FileNotFoundException(configurationArchivePath.toString());
        }
    } else {
        throw new IllegalStateException("A deploy is already in progress");
    }

}

From source file:org.eclipse.packagedrone.utils.rpm.build.PayloadRecorder.java

@Override
public FileChannel openChannel() throws IOException {
    checkFinished(true);/*from  ww  w  .ja  va 2s .co  m*/

    return FileChannel.open(this.tempFile, StandardOpenOption.READ);
}

From source file:org.olat.repository.RepositoryEntryImportExport.java

/**
 * Read previousely exported Propertiesproperties
 *//* ww w  .  j a va2s.c  o m*/
private void loadConfiguration() {
    try {
        if (baseDirectory.exists()) {
            if (baseDirectory.getName().endsWith(".zip")) {
                Path fPath = FileSystems.newFileSystem(baseDirectory.toPath(), null).getPath("/");
                Path manifestPath = fPath.resolve("export").resolve(PROPERTIES_FILE);
                try (InputStream inputFile = Files.newInputStream(manifestPath, StandardOpenOption.READ)) {
                    XStream xstream = getXStream();
                    repositoryProperties = (RepositoryEntryImport) xstream.fromXML(inputFile);
                } catch (Exception e) {
                    log.error("Cannot read repo.xml im zip", e);
                }
            } else {
                File inputFile = new File(baseDirectory, PROPERTIES_FILE);
                if (inputFile.exists()) {
                    XStream xstream = getXStream();
                    repositoryProperties = (RepositoryEntryImport) xstream.fromXML(inputFile);
                } else {
                    repositoryProperties = new RepositoryEntryImport();
                }
            }
        } else {
            repositoryProperties = new RepositoryEntryImport();
        }
        propertiesLoaded = true;
    } catch (Exception ce) {
        throw new OLATRuntimeException("Error importing repository entry properties.", ce);
    }
}

From source file:codes.thischwa.c5c.DispatcherPUT.java

private void imageProcessingAndSizeCheck(Path tempPath, String sanitizedName, long fileSize,
        FilemanagerConfig conf) throws C5CException, IOException {
    Integer maxSize = (conf.getUpload().isFileSizeLimitAuto()) ? PropertiesLoader.getMaxUploadSize()
            : conf.getUpload().getFileSizeLimit();
    if (fileSize > maxSize.longValue() * 1024 * 1024)
        throw new FilemanagerException(FilemanagerAction.UPLOAD,
                FilemanagerException.Key.UploadFilesSmallerThan, String.valueOf(maxSize));
    String extension = FilenameUtils.getExtension(sanitizedName);

    // check image only
    boolean isImageExt = checkImageExtension(sanitizedName, conf.getUpload().isImagesOnly(),
            conf.getImages().getExtensions());
    if (!isImageExt)
        return;/* w w w.j  av  a 2s.  com*/

    // remove exif data
    Path woExifPath = UserObjectProxy.removeExif(tempPath);
    if (!tempPath.equals(woExifPath)) {
        Files.move(woExifPath, tempPath, StandardCopyOption.REPLACE_EXISTING);
    }

    // check if the file is really an image
    InputStream in = new BufferedInputStream(Files.newInputStream(tempPath, StandardOpenOption.READ));
    Dimension dim = getDimension(in);
    if (isImageExt && dim == null)
        throw new FilemanagerException(FilemanagerAction.UPLOAD, FilemanagerException.Key.UploadImagesOnly);
    IOUtils.closeQuietly(in);

    // check if resize is enabled and fix it, if necessary 
    Resize resize = conf.getImages().getResize();
    if (resize.isEnabled()
            && (dim.getHeight() > resize.getMaxHeight() || dim.getWidth() > resize.getMaxWidth())) {
        logger.debug("process resize");
        StreamContent sc = connector.resize(new BufferedInputStream(Files.newInputStream(tempPath)), extension,
                new Dimension(resize.getMaxWidth(), resize.getMaxHeight()));
        Files.copy(sc.getInputStream(), tempPath, StandardCopyOption.REPLACE_EXISTING);
        IOUtils.closeQuietly(sc.getInputStream());
    }
}

From source file:io.pravega.segmentstore.storage.impl.extendeds3.S3FileSystemImpl.java

@Synchronized
@Override//from w  w  w .  ja va 2  s  .  c o m
public CompleteMultipartUploadResult completeMultipartUpload(CompleteMultipartUploadRequest request) {
    Map<Integer, CopyPartRequest> partMap = multipartUploads.get(request.getKey());
    if (partMap == null) {
        throw new S3Exception("NoSuchKey", HttpStatus.SC_NOT_FOUND, "NoSuchKey", "");
    }
    try {
        partMap.forEach((index, copyPart) -> {
            if (copyPart.getKey() != copyPart.getSourceKey()) {
                Path sourcePath = Paths.get(this.baseDir, copyPart.getBucketName(), copyPart.getSourceKey());
                Path targetPath = Paths.get(this.baseDir, copyPart.getBucketName(), copyPart.getKey());
                try (FileChannel sourceChannel = FileChannel.open(sourcePath, StandardOpenOption.READ);
                        FileChannel targetChannel = FileChannel.open(targetPath, StandardOpenOption.WRITE)) {
                    targetChannel.transferFrom(sourceChannel, Files.size(targetPath),
                            copyPart.getSourceRange().getLast() + 1 - copyPart.getSourceRange().getFirst());
                    targetChannel.close();
                    AclSize aclMap = this.aclMap.get(copyPart.getKey());
                    this.aclMap.put(copyPart.getKey(), aclMap.withSize(Files.size(targetPath)));
                } catch (IOException e) {
                    throw new S3Exception("NoSuchKey", 404, "NoSuchKey", "");
                }
            }
        });
    } finally {
        multipartUploads.remove(request.getKey());
    }

    return new CompleteMultipartUploadResult();
}