Example usage for java.io PipedOutputStream PipedOutputStream

Introduction

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

Prototype

public PipedOutputStream() 

Source Link

Document

Creates a piped output stream that is not yet connected to a piped input stream.

Usage

From source file:ch.cyberduck.core.cryptomator.features.CryptoChecksumCompute.java

protected Checksum compute(final InputStream in, final long offset, final ByteBuffer header,
        final NonceGenerator nonces) throws ChecksumException {
    if (log.isDebugEnabled()) {
        log.debug(String.format("Calculate checksum with header %s", header));
    }//from   w  ww  . j av  a2 s. c  om
    try {
        final PipedOutputStream source = new PipedOutputStream();
        final CryptoOutputStream<Void> out = new CryptoOutputStream<Void>(new VoidStatusOutputStream(source),
                cryptomator.getCryptor(), cryptomator.getCryptor().fileHeaderCryptor().decryptHeader(header),
                nonces, cryptomator.numberOfChunks(offset));
        final PipedInputStream sink = new PipedInputStream(source,
                PreferencesFactory.get().getInteger("connection.chunksize"));
        final ThreadPool pool = ThreadPoolFactory.get("checksum", 1);
        try {
            final Future execute = pool.execute(new Callable<TransferStatus>() {
                @Override
                public TransferStatus call() throws Exception {
                    if (offset == 0) {
                        source.write(header.array());
                    }
                    final TransferStatus status = new TransferStatus();
                    new StreamCopier(status, status).transfer(in, out);
                    return status;
                }
            });
            try {
                return delegate.compute(sink, new TransferStatus());
            } finally {
                try {
                    execute.get();
                } catch (InterruptedException e) {
                    throw new ChecksumException(LocaleFactory.localizedString("Checksum failure", "Error"),
                            e.getMessage(), e);
                } catch (ExecutionException e) {
                    if (e.getCause() instanceof BackgroundException) {
                        throw (BackgroundException) e.getCause();
                    }
                    throw new DefaultExceptionMappingService().map(e.getCause());
                }
            }
        } finally {
            pool.shutdown(true);
        }
    } catch (ChecksumException e) {
        throw e;
    } catch (IOException | BackgroundException e) {
        throw new ChecksumException(LocaleFactory.localizedString("Checksum failure", "Error"), e.getMessage(),
                e);
    }
}

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From source file:org.nuxeo.ecm.core.opencmis.impl.client.protocol.http.HttpURLConnection.java

@Override
public OutputStream getOutputStream() throws IOException {
    PipedOutputStream source = new PipedOutputStream();
    PipedInputStream sink = new PipedInputStream();
    source.connect(sink);/*from   w  ww. j a v a2s.c  o m*/
    RequestEntity entity = new InputStreamRequestEntity(sink);
    ((EntityEnclosingMethod) method).setRequestEntity(entity);
    return source;
}

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From source file:it.sonarlint.cli.tools.CommandExecutor.java

private ExecuteStreamHandler createStreamHandler() throws IOException {
    out = new ByteArrayOutputStream();
    err = new ByteArrayOutputStream();
    PipedOutputStream outPiped = new PipedOutputStream();
    InputStream inPiped = new PipedInputStream(outPiped);
    in = outPiped;//  w ww . j a v  a  2s .  com

    TeeOutputStream teeOut = new TeeOutputStream(out, System.out);
    TeeOutputStream teeErr = new TeeOutputStream(err, System.err);

    return new PumpStreamHandler(teeOut, teeErr, inPiped);
}

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From source file:vlove.virt.VirtBuilder.java

/**
 * Returns the exit value of the process.
 * //from w  ww. j  a  v a 2 s .  c  o m
 * @param out
 * @param err
 * @return
 * @throws VirtException
 */
public int createVirtualMachine(NewVmWizardModel newVm, StreamConsumer out, StreamConsumer err)
        throws VirtException {
    List<String> command = createVirtMachineCommand(newVm);
    if (command == null || command.size() < 1) {
        throw new VirtException("Command needs to be provided.");
    }

    try {
        Commandline cs = new Commandline();
        cs.setExecutable(command.get(0));
        if (command.size() > 1) {
            cs.addArguments(command.subList(1, command.size()).toArray(new String[] {}));
        }
        PipedOutputStream pOut = new PipedOutputStream();
        PipedInputStream pIs = new PipedInputStream(pOut);

        List<ConsumerListener> listeners = new ArrayList<>();
        listeners.add(new ConsumerListener(pOut, Pattern.compile("\\[sudo\\] password for \\w+:"), "password"));

        NestedStreamConsumer nOut = new NestedStreamConsumer(listeners, out);
        return CommandLineUtils.executeCommandLine(cs, pIs, nOut, err);
    } catch (CommandLineException ce) {
        throw new VirtException("Could not execute command.", ce);
    } catch (IOException ie) {
        throw new VirtException("Could not execute command.", ie);
    }
}

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From source file:io.fabric8.docker.client.impl.ImportImage.java

@Override
public TagAsRepoInterface<OutputHandle> redirectingOutput() {
    return new ImportImage(client, config, source, tag, new PipedOutputStream(), listener);
}

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From source file:org.jclouds.logging.internal.Wire.java

public InputStream tapAsynch(final String header, InputStream instream) {
    PipedOutputStream out = new PipedOutputStream();
    InputStream toReturn = new TeeInputStream(instream, out, true);
    final InputStream line;
    try {//from  www  . j a va2  s.  co  m
        line = new PipedInputStream(out);
        exec.submit(new Runnable() {
            public void run() {
                try {
                    wire(header, line);
                } finally {
                    IOUtils.closeQuietly(line);
                }
            }
        });
    } catch (IOException e) {
        logger.error(e, "Error tapping line");
    }
    return toReturn;
}

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From source file:org.apache.oozie.cli.TestCLIParser.java

private String readCommandOutput(CLIParser parser, CLIParser.Command c) throws IOException {
    ByteArrayOutputStream outBytes = new ByteArrayOutputStream();
    PipedOutputStream pipeOut = new PipedOutputStream();
    PipedInputStream pipeIn = new PipedInputStream(pipeOut, 1024 * 10);
    System.setOut(new PrintStream(pipeOut));

    parser.showHelp(c.getCommandLine());
    pipeOut.close();/*from w  w w  .  j a  v a2 s .co  m*/
    ByteStreams.copy(pipeIn, outBytes);
    pipeIn.close();
    return new String(outBytes.toByteArray());
}

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From source file:net.i2cat.netconf.transport.VirtualTransport.java

public void connect(SessionContext sessionContext) throws TransportException {
    // let the transportId instance be GC'ed after connect();
    // this.transportId = transportId;
    log.info("Virtual transport");

    this.sessionContext = sessionContext;

    // TODO CHECK IF IT WORKS
    user = sessionContext.getUser();//from  www . j  a v  a2 s . c  om
    password = sessionContext.getPass();

    host = sessionContext.getHost();
    port = sessionContext.getPort();
    if (port < 0)
        port = 22;

    subsystem = sessionContext.getSubsystem();

    log.debug("user: " + user);
    log.debug("pass: " + (password != null ? "yes" : "no"));
    log.debug("hostname: " + host + ":" + port);
    log.debug("subsystem: " + subsystem);

    simHelper = new DummySimulatorHelper();

    // Check the type of responses
    simHelper.setResponseError(subsystem.equals("errorServer"));

    // this will fake the two endpoints of a tcp connection
    try {
        outStream = new PipedOutputStream();
        inStream = new PipedInputStream(outStream);

    } catch (IOException e) {
        throw new TransportException(e.getMessage());
    }

    closed = false;

    // notify handlers
    for (TransportListener handler : listeners)
        handler.transportOpened();

    startParsing();
}

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From source file:examples.RdfSerializationExample.java

/**
 * Creates a separate thread for writing into the given output stream and
 * returns a pipe output stream that can be used to pass data to this
 * thread./*from w w  w . ja v  a2  s .  com*/
 * <p>
 * This code is inspired by
 * http://stackoverflow.com/questions/12532073/gzipoutputstream
 * -that-does-its-compression-in-a-separate-thread
 *
 * @param outputStream
 *            the stream to write to in the thread
 * @return a new stream that data should be written to
 * @throws IOException
 *             if the pipes could not be created for some reason
 */
public static OutputStream asynchronousOutputStream(final OutputStream outputStream) throws IOException {
    final int SIZE = 1024 * 1024 * 10;
    final PipedOutputStream pos = new PipedOutputStream();
    final PipedInputStream pis = new PipedInputStream(pos, SIZE);
    new Thread(new Runnable() {
        @Override
        public void run() {
            try {
                byte[] bytes = new byte[SIZE];
                for (int len; (len = pis.read(bytes)) > 0;) {
                    outputStream.write(bytes, 0, len);
                }
            } catch (IOException ioException) {
                ioException.printStackTrace();
            } finally {
                close(pis);
                close(outputStream);
            }
        }
    }, "async-output-stream").start();
    return pos;
}

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From source file:org.pentaho.osgi.platform.webjars.WebjarsURLConnection.java

@Override
public InputStream getInputStream() throws IOException {
    try {//  w  ww.  j  a v a  2 s .com
        final PipedOutputStream pipedOutputStream = new PipedOutputStream();
        PipedInputStream pipedInputStream = new PipedInputStream(pipedOutputStream);

        // making this here allows to fail with invalid URLs
        final URLConnection urlConnection = url.openConnection();
        urlConnection.connect();
        final InputStream originalInputStream = urlConnection.getInputStream();

        transform_thread = EXECUTOR.submit(
                new WebjarsTransformer(url, originalInputStream, pipedOutputStream, this.minificationEnabled));

        return pipedInputStream;
    } catch (Exception e) {
        logger.error(getURL().toString() + ": Error opening url");

        throw new IOException("Error opening url", e);
    }
}

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