Example usage for java.io BufferedOutputStream BufferedOutputStream

Introduction

In this page you can find the example usage for java.io BufferedOutputStream BufferedOutputStream.

Prototype

public BufferedOutputStream(OutputStream out)

Source Link

Document

Creates a new buffered output stream to write data to the specified underlying output stream.

Usage

From source file:com.twitter.heron.apiserver.utils.FileHelper.java

public static boolean createTarGz(File archive, File... files) {
    try (FileOutputStream fileOutputStream = new FileOutputStream(archive);
            BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(fileOutputStream);
            GzipCompressorOutputStream gzipOuputStream = new GzipCompressorOutputStream(bufferedOutputStream);
            TarArchiveOutputStream archiveOutputStream = new TarArchiveOutputStream(gzipOuputStream)) {
        for (File file : files) {
            addFileToArchive(archiveOutputStream, file, "");
        }/*from  w  ww  . ja v a  2s . c om*/
        archiveOutputStream.finish();
    } catch (IOException ioe) {
        LOG.error("Failed to create archive {} file.", archive, ioe);
        return false;
    }
    return true;
}

From source file:com.ibm.util.merge.storage.TarArchive.java

@Override
public void openOutputStream() throws IOException {
    FileOutputStream fos = new FileOutputStream(getFilePath());
    BufferedOutputStream bos = new BufferedOutputStream(fos);
    this.setOutputStream(new TarArchiveOutputStream(bos));
}

From source file:br.univali.celine.lms.utils.zip.Zip.java

public void zip(ArrayList<String> fileList, File destFile, int compressionLevel) throws Exception {

    if (destFile.exists())
        throw new Exception("File " + destFile.getName() + " already exists!!");

    int fileLength;
    byte[] buffer = new byte[4096];

    FileOutputStream fos = new FileOutputStream(destFile);
    BufferedOutputStream bos = new BufferedOutputStream(fos);
    ZipOutputStream zipFile = new ZipOutputStream(bos);
    zipFile.setLevel(compressionLevel);/*w  w  w  .  ja v  a  2s .  c om*/

    for (int i = 0; i < fileList.size(); i++) {

        FileInputStream fis = new FileInputStream(fileList.get(i));
        BufferedInputStream bis = new BufferedInputStream(fis);
        ZipEntry ze = new ZipEntry(FilenameUtils.getName(fileList.get(i)));
        zipFile.putNextEntry(ze);

        while ((fileLength = bis.read(buffer, 0, 4096)) > 0)
            zipFile.write(buffer, 0, fileLength);

        zipFile.closeEntry();
        bis.close();
    }

    zipFile.close();

}

From source file:com.anthony.forumspring.controller.FileUploadController.java

@RequestMapping(value = "/uploadFile", method = RequestMethod.POST)
public @ResponseBody String uploadFildHander(@RequestParam(value = "name") String name,
        @RequestParam("file") MultipartFile file) {

    if (!file.isEmpty()) {
        try {// www . jav a  2  s .  com
            byte[] bytes = file.getBytes();

            // Creating the directory to store file
            String rootPath = System.getProperty("catalina.home");
            File dir = new File(rootPath + File.separator + "tmpFiles");
            if (!dir.exists()) {
                dir.mkdirs();
            }

            // Create the file on server
            File serverFile = new File(dir.getAbsolutePath() + File.separator + name);
            BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(serverFile));
            stream.write(bytes);
            stream.close();

            //logger.info("Server File Location="
            //      + serverFile.getAbsolutePath());
            return "You successfully uploaded file=" + name;
        } catch (Exception e) {
            return "You failed to upload " + name + " => " + e.getMessage();
        }
    } else {
        return "You failed to upload " + name + " because the file was empty.";
    }
}

From source file:org.canova.api.records.reader.impl.SVMRecordWriterTest.java

@Test
public void testWriter() throws Exception {
    InputStream is = new ClassPathResource("iris.dat").getInputStream();
    assumeNotNull(is);/*from  w w  w.  j av  a 2  s  .com*/
    File tmp = new File("iris.txt");
    BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(tmp));
    IOUtils.copy(is, bos);
    bos.flush();
    bos.close();
    InputSplit split = new FileSplit(tmp);
    tmp.deleteOnExit();
    RecordReader reader = new CSVRecordReader();
    List<Collection<Writable>> records = new ArrayList<>();
    reader.initialize(split);
    while (reader.hasNext()) {
        Collection<Writable> record = reader.next();
        assertEquals(5, record.size());
        records.add(record);
    }

    assertEquals(150, records.size());
    File out = new File("iris_out.txt");
    out.deleteOnExit();
    RecordWriter writer = new SVMLightRecordWriter(out, true);
    for (Collection<Writable> record : records)
        writer.write(record);

    writer.close();
    records.clear();

    RecordReader svmReader = new SVMLightRecordReader();
    InputSplit svmSplit = new FileSplit(out);
    svmReader.initialize(svmSplit);
    assertTrue(svmReader.hasNext());
    while (svmReader.hasNext()) {
        Collection<Writable> record = svmReader.next();
        assertEquals(5, record.size());
        records.add(record);
    }
    assertEquals(150, records.size());
}

From source file:org.slc.sli.ingestion.IngestionTest.java

public static OutputStream createFileOutputStream(String filePath) throws IOException {
    File file = new File(filePath);
    return new BufferedOutputStream(new FileOutputStream(file));
}

From source file:com.jaxio.celerio.output.ZipOutputResult.java

@Override
public void open() throws IOException {
    if (isOpen) {
        return;/*from  ww w .  j a  v a  2 s. c  o  m*/
    }
    bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(new File(filename)));
    zipOutputStream = new JarOutputStream(bufferedOutputStream);
    isOpen = true;
}

From source file:com.googlecode.lineblog.websocket.v2.TokenThread.java

public TokenThread(Socket socket) throws IOException {
    if (socket == null)
        throw new RuntimeException("socket is not null!");
    this.socket = socket;
    this.in = new BufferedInputStream(this.socket.getInputStream());
    this.out = new BufferedOutputStream(this.socket.getOutputStream());
    this.status = this.accept();//?
}

From source file:com.cloudera.nav.sdk.client.writer.MetadataWriterFactory.java

/**
 * Create a new metadata writer//from w ww  . j  av a 2s.c om
 */
public MetadataWriter newWriter() {
    try {
        HttpURLConnection conn = createHttpStream();
        OutputStream stream = new BufferedOutputStream(conn.getOutputStream());
        return new JsonMetadataWriter(config, stream, conn);
    } catch (IOException e) {
        throw Throwables.propagate(e);
    }
}

From source file:logicProteinHypernetwork.analysis.complexes.offline.ComplexPredictionCommand.java

/**
 * Returns predicted complexes for a given undirected graph of proteins.
 *
 * @param g the graph/*from w ww  .j  av  a  2  s  .c  o m*/
 * @return the predicted complexes
 */
public Collection<Complex> transform(UndirectedGraph<Protein, Interaction> g) {
    try {
        Process p = Runtime.getRuntime().exec(command);
        BufferedOutputStream outputStream = new BufferedOutputStream(p.getOutputStream());
        BufferedInputStream inputStream = new BufferedInputStream(p.getInputStream());

        for (Interaction i : g.getEdges()) {
            String out = i.first() + " pp " + i.second();
            outputStream.write(out.getBytes());
        }
        outputStream.close();
        p.waitFor();

        if (!hypernetwork.getProteins().hasIndex()) {
            hypernetwork.getProteins().buildIndex();
        }

        Collection<Complex> complexes = new ArrayList<Complex>();
        Scanner s = new Scanner(inputStream);
        Pattern rowPattern = Pattern.compile(".*?\\n");
        Pattern proteinPattern = Pattern.compile(".*?\\s");
        while (s.hasNext(rowPattern)) {
            Complex c = new Complex();
            while (s.hasNext(proteinPattern)) {
                c.add(hypernetwork.getProteins().getProteinById(s.next(proteinPattern).trim()));
            }
            complexes.add(c);
        }
        inputStream.close();

        return complexes;

    } catch (InterruptedException ex) {
        Logger.getLogger(ComplexPredictionCommand.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(ComplexPredictionCommand.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}