Example usage for java.nio.file StandardOpenOption WRITE

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

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Introduction

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

Prototype

StandardOpenOption WRITE

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Document

Open for write access.

Usage

From source file:com.codealot.textstore.FileStore.java

@Override
public String storeText(final Reader reader) throws IOException {
    Objects.requireNonNull(reader, "No reader provided");

    // make the digester
    final MessageDigest digester = getDigester();

    // make temp file
    final Path textPath = Paths.get(this.storeRoot, UUID.randomUUID().toString());

    // stream to file, building digest
    final ReaderInputStream readerAsBytes = new ReaderInputStream(reader, StandardCharsets.UTF_8);
    try {/*from ww w.j a  v a2s.  com*/
        final byte[] bytes = new byte[1024];
        int readLength = 0;
        long totalRead = 0L;

        while ((readLength = readerAsBytes.read(bytes)) > 0) {
            totalRead += readLength;

            digester.update(bytes, 0, readLength);

            final byte[] readBytes = Arrays.copyOf(bytes, readLength);
            Files.write(textPath, readBytes, StandardOpenOption.CREATE, StandardOpenOption.WRITE,
                    StandardOpenOption.APPEND);
        }
        // check that something was read
        if (totalRead == 0L) {
            return this.storeText("");
        }
        // make the hash
        final String hash = byteToHex(digester.digest());

        // store the text, if new
        final Path finalPath = Paths.get(this.storeRoot, hash);
        if (Files.exists(finalPath)) {
            // already existed, so delete uuid named one
            Files.deleteIfExists(textPath);
        } else {
            // rename the file
            Files.move(textPath, finalPath);
        }
        return hash;
    } finally {
        if (readerAsBytes != null) {
            readerAsBytes.close();
        }
    }
}

From source file:org.basinmc.maven.plugins.minecraft.AbstractArtifactMojo.java

/**
 * Fetches any resources from a remote HTTP server and stores it in a specified file.
 *//*from   w  w  w .j a  va  2 s  .  c  o  m*/
protected void fetch(@Nonnull URI uri, @Nonnull Path target) throws IOException {
    this.fetch(uri, FileChannel.open(target, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING,
            StandardOpenOption.WRITE));
}

From source file:org.darkware.wpman.security.ChecksumDatabase.java

/**
 * Write the database to the attached file path. This path is declared in the constructor and cannot be
 * changed./*from   w w w. j ava  2s.c om*/
 */
public void writeDatabase() {
    this.lock.writeLock().lock();
    try {
        ChecksumDatabase.log.info("Writing integrity database: {}", this.dbFile);
        try (BufferedWriter db = Files.newBufferedWriter(this.dbFile, StandardCharsets.UTF_8,
                StandardOpenOption.CREATE, StandardOpenOption.WRITE, StandardOpenOption.TRUNCATE_EXISTING)) {
            for (Map.Entry<Path, String> entry : this.hashes.entrySet()) {
                db.write(entry.getKey().toString());
                db.write(":");
                db.write(entry.getValue());
                db.newLine();
            }
        } catch (IOException e) {
            ChecksumDatabase.log.error("Error while writing integrity database: {}", e.getLocalizedMessage(),
                    e);
        }
    } finally {
        this.lock.writeLock().unlock();
    }
}

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

private FileChannel openForWrite(Path histPath) throws IOException {
    FileChannel byteChannel = FileChannel.open(histPath, StandardOpenOption.CREATE,
            StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE);
    byteChannel.force(true);//from ww w .jav  a  2s.c o m
    FileChannel lockChannel = lock(histPath, byteChannel);
    return lockChannel;
}

From source file:com.github.jinahya.simple.file.back.LocalFileBackTest.java

@Test(enabled = true, invocationCount = 1)
public void delete() throws IOException, FileBackException {

    fileContext.fileOperationSupplier(() -> FileOperation.DELETE);

    final ByteBuffer fileKey = randomFileKey();
    if (current().nextBoolean()) {
        fileContext.sourceKeySupplier(() -> fileKey);
    } else {/*from   w ww . j a  v  a2 s.  c om*/
        fileContext.targetKeySupplier(() -> fileKey);
    }

    final Path leafPath = LocalFileBack.leafPath(rootPath, fileKey, true);

    final byte[] fileBytes = randomFileBytes();
    final boolean fileWritten = Files.isRegularFile(leafPath) || current().nextBoolean();
    if (fileWritten) {
        Files.write(leafPath, fileBytes, StandardOpenOption.CREATE, StandardOpenOption.WRITE);
        logger.trace("file written");
    }

    fileBack.operate(fileContext);
}

From source file:org.dmb.trueprice.utils.internal.FileUtils.java

/**
     * Write FID's attachements on server
     * /*from   w w  w  . ja v  a 2 s  . c om*/
     * @param fileName - Nom du fichier joint
     * @param fileContent - InputStream contenant le coprs du fichier
     * @param targetFolder - Dossier o crire le fichier
     */
//    public static void writeFile(String fileName,InputStream fileContent, String targetFolder) throws IOException{
public static void writeFile(String fileName, byte[] bytes, String targetFolder) throws IOException {

    //        try {

    Files.write(Paths.get(targetFolder + File.separator + fileName), bytes, StandardOpenOption.WRITE
    //                , StandardOpenOption.CREATE_NEW
    );

    //        } catch ( e) {
    //            logger.error("IOException writing attachment on disk : " + e.getMessage());
    //        }
}

From source file:com.evolveum.midpoint.model.intest.manual.CsvBackingStore.java

protected void replaceInCsv(String[] data) throws IOException {
    List<String> lines = Files.readAllLines(Paths.get(CSV_TARGET_FILE.getPath()));
    boolean found = false;
    for (int i = 0; i < lines.size(); i++) {
        String line = lines.get(i);
        String[] cols = line.split(",");
        if (cols[0].matches("\"" + data[0] + "\"")) {
            lines.set(i, formatCsvLine(data));
            found = true;//w ww . j av  a  2s. c om
        }
    }
    if (!found) {
        throw new IllegalStateException("Not found in CSV: " + data[0]);
    }
    Files.write(Paths.get(CSV_TARGET_FILE.getPath()), lines, StandardOpenOption.WRITE,
            StandardOpenOption.TRUNCATE_EXISTING);
}

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 ww . j a  v  a  2s  .c om*/
    FileChannel byteChannel = FileChannel.open(histPath, StandardOpenOption.READ, StandardOpenOption.WRITE);
    FileChannel lockChannel = lock(histPath, byteChannel);
    return lockChannel;
}

From source file:com.databasepreservation.visualization.utils.SolrUtils.java

public static void setupSolrCloudConfigsets(String zkHost) {
    // before anything else, try to get a zookeeper client
    CloudSolrClient zkClient = new CloudSolrClient(zkHost);

    // get resources and copy them to a temporary directory
    Path databaseDir = null;/* w  w  w.j  a  va 2  s.c  o  m*/
    Path tableDir = null;
    Path savedSearchesDir = null;
    try {
        final File jarFile = new File(
                SolrManager.class.getProtectionDomain().getCodeSource().getLocation().toURI());

        // if it is a directory the application in being run from an IDE
        // in that case do not setup (assuming setup is done)
        if (!jarFile.isDirectory()) {
            databaseDir = Files.createTempDirectory("dbv_db_");
            tableDir = Files.createTempDirectory("dbv_tab_");
            savedSearchesDir = Files.createTempDirectory("dbv_tab_");
            final JarFile jar = new JarFile(jarFile);
            final Enumeration<JarEntry> entries = jar.entries();

            while (entries.hasMoreElements()) {
                JarEntry entry = entries.nextElement();
                String name = entry.getName();

                String nameWithoutOriginPart = null;
                Path destination = null;
                if (name.startsWith(ViewerSafeConstants.SOLR_CONFIGSET_DATABASE_RESOURCE + "/")) {
                    nameWithoutOriginPart = name
                            .substring(ViewerSafeConstants.SOLR_CONFIGSET_DATABASE_RESOURCE.length() + 1);
                    destination = databaseDir;
                } else if (name.startsWith(ViewerSafeConstants.SOLR_CONFIGSET_TABLE_RESOURCE + "/")) {
                    nameWithoutOriginPart = name
                            .substring(ViewerSafeConstants.SOLR_CONFIGSET_TABLE_RESOURCE.length() + 1);
                    destination = tableDir;
                } else if (name.startsWith(ViewerSafeConstants.SOLR_CONFIGSET_SEARCHES_RESOURCE + "/")) {
                    nameWithoutOriginPart = name
                            .substring(ViewerSafeConstants.SOLR_CONFIGSET_SEARCHES_RESOURCE.length() + 1);
                    destination = savedSearchesDir;
                } else {
                    continue;
                }

                Path output = destination.resolve(nameWithoutOriginPart);
                if (name.endsWith("/")) {
                    Files.createDirectories(output);
                } else {
                    InputStream inputStream = SolrManager.class.getResourceAsStream("/" + name);
                    output = Files.createFile(output);
                    OutputStream outputStream = Files.newOutputStream(output, StandardOpenOption.CREATE,
                            StandardOpenOption.WRITE);
                    IOUtils.copy(inputStream, outputStream);
                    inputStream.close();
                    outputStream.close();
                }
            }
            jar.close();
        }
    } catch (IOException | URISyntaxException e) {
        LOGGER.error("Could not extract Solr configset", e);
        if (databaseDir != null) {
            try {
                FileUtils.deleteDirectoryRecursive(databaseDir);
            } catch (IOException e1) {
                LOGGER.debug("IO error deleting temporary folder: " + databaseDir, e1);
            }
        }
        if (tableDir != null) {
            try {
                FileUtils.deleteDirectoryRecursive(tableDir);
            } catch (IOException e1) {
                LOGGER.debug("IO error deleting temporary folder: " + tableDir, e1);
            }
        }
        databaseDir = null;
        tableDir = null;
    }

    // copy configurations to solr
    if (databaseDir != null && tableDir != null) {
        try {
            zkClient.uploadConfig(databaseDir, ViewerSafeConstants.SOLR_CONFIGSET_DATABASE);
        } catch (IOException e) {
            LOGGER.debug("IO error uploading database config to solr cloud", e);
        }
        try {
            zkClient.uploadConfig(tableDir, ViewerSafeConstants.SOLR_CONFIGSET_TABLE);
        } catch (IOException e) {
            LOGGER.debug("IO error uploading table config to solr cloud", e);
        }
        try {
            zkClient.uploadConfig(savedSearchesDir, ViewerSafeConstants.SOLR_CONFIGSET_SEARCHES);
        } catch (IOException e) {
            LOGGER.debug("IO error uploading saved searches config to solr cloud", e);
        }

        try {
            FileUtils.deleteDirectoryRecursive(databaseDir);
        } catch (IOException e1) {
            LOGGER.debug("IO error deleting temporary folder: " + databaseDir, e1);
        }
        try {
            FileUtils.deleteDirectoryRecursive(tableDir);
        } catch (IOException e1) {
            LOGGER.debug("IO error deleting temporary folder: " + tableDir, e1);
        }
        try {
            FileUtils.deleteDirectoryRecursive(savedSearchesDir);
        } catch (IOException e1) {
            LOGGER.debug("IO error deleting temporary folder: " + savedSearchesDir, e1);
        }
    }

    try {
        zkClient.close();
    } catch (IOException e) {
        LOGGER.debug("IO error closing connection to solr cloud", e);
    }
}

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

@Override
public synchronized void saveXMLConfigProperties(Properties xmlConfigProperties) throws IOException {

    if (xmlConfigProperties != null) {

        try (OutputStream xmlConfigPropertiesOutputStream = Files.newOutputStream(
                Paths.get(XMLConfig.getBaseConfigPath(), "XMLConfig.properties"), StandardOpenOption.WRITE,
                StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING)) {
            xmlConfigProperties.store(xmlConfigPropertiesOutputStream, null);
        }/*  w ww. jav  a  2s  . c o  m*/
    }
}