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:org.sipfoundry.sipxconfig.cfgmgt.AgentRunner.java

/**
 * Run a full job at a location. Update job table for any failures in either running the
 * command or errors in stderr/*ww  w  .j  a  v  a  2  s .  com*/
 */
void runJob(Location location, String label, String command) {
    PipedOutputStream log = null;
    Serializable job = m_jobContext.schedule(label, location);
    AgentResults results = new AgentResults();
    Stack<String> errs;
    try {
        m_jobContext.start(job);
        log = new PipedOutputStream();
        PipedInputStream in = new PipedInputStream(log);
        results.parse(in);
        int status = runCommand(command, log);
        errs = results.getResults(1000);
        if (errs.size() > 0) {
            String err = location.getFqdn() + ':' + errs.pop();
            ConfigManagerImpl.fail(m_jobContext, label, job, new ConfigException(err));
            while (!errs.empty()) {
                // Tricky alert - show additional errors as new jobs
                Serializable jobErr = m_jobContext.schedule(label, location);
                m_jobContext.start(jobErr);
                err = location.getFqdn() + ':' + errs.pop();
                ConfigManagerImpl.fail(m_jobContext, label, jobErr, new ConfigException(err));
            }
        } else if (status != 0 && errs.size() == 0) {
            String msg = format("Agent run on %s finshed but returned error code %d", location.getFqdn(),
                    status);
            ConfigManagerImpl.fail(m_jobContext, label, job, new ConfigException(msg));
        } else {
            m_jobContext.success(job);
        }
    } catch (Exception e) {
        ConfigManagerImpl.fail(m_jobContext, label, job, e);
    } finally {
        IOUtils.closeQuietly(log);
    }
}

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From source file:org.jumpmind.symmetric.transport.internal.InternalTransportManager.java

public IIncomingTransport getFilePullTransport(Node remote, final Node local, String securityToken,
        Map<String, String> requestProperties, String registrationUrl) throws IOException {
    final PipedOutputStream respOs = new PipedOutputStream();
    final PipedInputStream respIs = new PipedInputStream(respOs);

    runAtClient(remote.getSyncUrl(), null, respOs, new IClientRunnable() {
        public void run(ISymmetricEngine engine, InputStream is, OutputStream os) throws Exception {
            IOutgoingTransport transport = new InternalOutgoingTransport(respOs, null);
            ProcessInfo processInfo = engine.getStatisticManager()
                    .newProcessInfo(new ProcessInfoKey(engine.getNodeService().findIdentityNodeId(),
                            local.getNodeId(), ProcessType.FILE_SYNC_PULL_HANDLER));
            try {
                engine.getFileSyncService().sendFiles(processInfo, local, transport);
                processInfo.setStatus(Status.OK);
            } catch (RuntimeException ex) {
                processInfo.setStatus(Status.ERROR);
                throw ex;
            }//  ww w  .  j a  va2  s .  co  m
            transport.close();
        }
    });
    return new InternalIncomingTransport(respIs);
}

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From source file:ReaderInputStream.java

/** Creates new input stream from the given reader and encoding.
 * @param reader Input reader/*from  w  ww  . j a v a  2 s.c o  m*/
 * @param encoding
 */
public ReaderInputStream(Reader reader, String encoding) throws IOException {
    this.reader = reader;
    pos = new PipedOutputStream();
    pis = new PipedInputStream(pos);
    osw = new OutputStreamWriter(pos, encoding);
}

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From source file:org.hawkular.rest.ResponseUtil.java

private static <T> InputStream pageToStream(Page<T> page, ObjectMapper mapper, Runnable callback)
        throws IOException {
    final PipedOutputStream outs = new PipedOutputStream();
    final PipedInputStream ins = new PipedInputStream() {
        @Override//from  w  ww.j  a va 2s  . com
        public void close() throws IOException {
            outs.close();
            super.close();
        }
    };
    outs.connect(ins);
    mapper.disable(JsonGenerator.Feature.AUTO_CLOSE_TARGET);

    PageToStreamThreadPool.getInstance().submit(() -> {
        try (Page<T> closeablePage = page;
                PipedOutputStream out = outs;
                SequenceWriter sequenceWriter = mapper.writer().writeValuesAsArray(out)) {
            for (T element : closeablePage) {
                sequenceWriter.write(element);
                sequenceWriter.flush();
            }
        } catch (IOException e) {
            throw new IllegalStateException("Unable to convert page to input stream.", e);
        } finally {
            callback.run();
        }
    });
    return ins;
}

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From source file:org.openlaszlo.data.XMLGrabber.java

/**
 * Convert incoming XML to ... XML /* ww w .j a  v a  2s .c om*/
 *
 * This method is called convertToSWF for historical reasons, and nobody
 * has changed the API call name yet. 
 *
 * A dataset will look like this:
 * <resultset>
 * <body>
 *   <weather sourceurl="http://www.srh.noaa.gov/zipcity.php?inputstring=02460">
 *    <radar src="http://www.laszlosystems.com:80/weather/small/kbox.jpg"/>
 *    <satellite src="http://www.laszlosystems.com:80/weather/thumbs/ECI8.JPG"/>
 *   </weather>
 * </body>
 * <headers>
 * <header name="Date" value="Thu, 29 Dec 2005 03:49:46 GMT"/>
 * <header name="Server" value="Apache/2.0.44 (Unix) mod_ssl/2.0.44 OpenSSL/0.9.6b DAV/2 mod_jk/1.2.1 PHP/4.3.0"/>
 * </headers>
 * </resultset>
 */
@Override
public InputStream convertToSWF(Data data, HttpServletRequest req, HttpServletResponse res)
        throws ConversionException, IOException {

    try {
        PipedOutputStream pout = new PipedOutputStream();
        PipedInputStream in = new PipedInputStream(pout);

        XmlSerializer serializer;
        XmlPullParser parser;
        parser = getXPPFactory().newPullParser();
        InputStream dstream = data.getInputStream();
        Reader reader = FileUtils.getXMLStreamReader(dstream, "UTF-8");
        parser.setInput(reader);
        serializer = factory.newSerializer();
        serializer.setOutput(pout, "UTF-8");

        HttpMethodBase request = ((HttpData) data).getRequest();

        final String sendheaders = req.getParameter("sendheaders");

        XMLCopyThread worker = new XMLCopyThread(pout, parser, serializer, request, sendheaders);
        worker.start();

        return in;
    } catch (XmlPullParserException ex) {
        throw new ConversionException("Parsing XML: " + ex.getMessage());
    }
}

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From source file:hudson.scm.subversion.CheckoutUpdater.java

@Override
public UpdateTask createTask() {
    return new UpdateTask() {
        private static final long serialVersionUID = 8349986526712487762L;

        @Override// w  w  w .j ava 2 s .  c o  m
        public List<External> perform() throws IOException, InterruptedException {
            final SVNUpdateClient svnuc = clientManager.getUpdateClient();
            final List<External> externals = new ArrayList<External>(); // store discovered externals to here

            listener.getLogger().println("Cleaning local Directory " + location.getLocalDir());
            Util.deleteContentsRecursive(new File(ws, location.getLocalDir()));

            // buffer the output by a separate thread so that the update operation
            // won't be blocked by the remoting of the data
            PipedOutputStream pos = new PipedOutputStream();
            StreamCopyThread sct = new StreamCopyThread("svn log copier", new PipedInputStream(pos),
                    listener.getLogger());
            sct.start();

            try {

                SVNRevision r = getRevision(location);

                String revisionName = r.getDate() != null ? fmt.format(r.getDate()) : r.toString();

                listener.getLogger()
                        .println("Checking out " + location.remote + " at revision " + revisionName);

                File local = new File(ws, location.getLocalDir());
                SubversionUpdateEventHandler eventHandler = new SubversionUpdateEventHandler(
                        new PrintStream(pos), externals, local, location.getLocalDir());
                svnuc.setEventHandler(eventHandler);
                svnuc.setExternalsHandler(eventHandler);
                svnuc.setIgnoreExternals(location.isIgnoreExternalsOption());

                SVNDepth svnDepth = getSvnDepth(location.getDepthOption());
                svnuc.doCheckout(location.getSVNURL(), local.getCanonicalFile(), SVNRevision.HEAD, r, svnDepth,
                        true);
            } catch (SVNCancelException e) {
                if (isAuthenticationFailedError(e)) {
                    e.printStackTrace(listener.error("Failed to check out " + location.remote));
                    return null;
                } else {
                    listener.error("Subversion checkout has been canceled");
                    throw (InterruptedException) new InterruptedException().initCause(e);
                }
            } catch (SVNException e) {
                e.printStackTrace(listener.error("Failed to check out " + location.remote));
                throw new IOException("Failed to check out " + location.remote, e);
            } finally {
                try {
                    pos.close();
                } finally {
                    try {
                        sct.join(); // wait for all data to be piped.
                    } catch (InterruptedException e) {
                        throw new IOException2("interrupted", e);
                    }
                }
            }

            return externals;
        }
    };
}

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From source file:org.pentaho.webpackage.deployer.archive.impl.WebPackageURLConnection.java

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

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

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

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

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

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From source file:com.sonar.scanner.api.it.tools.CommandExecutor.java

private ExecuteStreamHandler createStreamHandler() throws IOException {
    logs = new ByteArrayOutputStream();
    PipedOutputStream outPiped = new PipedOutputStream();
    InputStream inPiped = new PipedInputStream(outPiped);
    in = outPiped;//from  w w  w . j  a  v a 2s .  c  o  m

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

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

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From source file:org.opennms.systemreport.SystemReportResourceLocator.java

@Override
public String slurpOutput(final String commandString, final boolean ignoreExitCode) {
    final CommandLine command = CommandLine.parse(commandString);
    LOG.debug("running: {}", commandString);

    final Map<String, String> environment = new HashMap<String, String>(System.getenv());
    environment.put("COLUMNS", "2000");
    DataInputStream input = null;
    PipedInputStream pis = null;/*  w  w w  .  java  2  s.  c  o  m*/
    OutputSuckingParser parser = null;
    String outputText = null;
    final DefaultExecutor executor = new DefaultExecutor();

    final PipedOutputStream output = new PipedOutputStream();
    final PumpStreamHandler streamHandler = new PumpStreamHandler(output, output);
    executor.setWatchdog(new ExecuteWatchdog(m_maxProcessWait));
    executor.setStreamHandler(streamHandler);
    if (ignoreExitCode) {
        executor.setExitValues(null);
    }

    try {
        LOG.trace("executing '{}'", commandString);
        pis = new PipedInputStream(output);
        input = new DataInputStream(pis);
        parser = new OutputSuckingParser(input);
        parser.start();
        final int exitValue = executor.execute(command, environment);
        IOUtils.closeQuietly(output);
        parser.join(m_maxProcessWait);
        if (!ignoreExitCode && exitValue != 0) {
            LOG.debug("error running '{}': exit value was {}", commandString, exitValue);
        } else {
            outputText = parser.getOutput();
        }
        LOG.trace("finished '{}'", commandString);
    } catch (final Exception e) {
        LOG.debug("Failed to run '{}'", commandString, e);
    } finally {
        IOUtils.closeQuietly(output);
        IOUtils.closeQuietly(input);
        IOUtils.closeQuietly(pis);
    }

    return outputText;
}

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From source file:de.upb.wdqa.wdvd.processors.output.CsvFeatureWriter.java

private static OutputStream getPipedOutputStreamStream(final OutputStream outputStream) throws IOException {
    final int BUFFER_SIZE = 1 * 1024 * 1024;

    final PipedOutputStream pipedOutputStream = new PipedOutputStream();
    final PipedInputStream pipedInputStream = new PipedInputStream(pipedOutputStream, BUFFER_SIZE);

    new Thread("Label Writer Output Stream") {
        @Override//from w  w  w . j av a2  s  . c  o  m
        public void run() {
            try {
                IOUtils.copy(pipedInputStream, outputStream);

                pipedInputStream.close();
                outputStream.close();
            } catch (Throwable t) {
                logger.error("", t);
            }
        }
    }.start();

    return pipedOutputStream;
}

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