Example usage for java.io PipedInputStream PipedInputStream

Introduction

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

Prototype

public PipedInputStream() 

Source Link

Document

Creates a PipedInputStream so that it is not yet #connect(java.io.PipedOutputStream) connected .

Usage

From source file:com.unispezi.cpanelremotebackup.CPanelRemoteBackup.java

/**
 * Downloads the backup to local file/*from  w w w .  j a  v a2  s.c  o m*/
 * @param backupName      name of backup on server
 * @param outputDirectory target local directory
 * @param totalFileBytes  file size (for progress indicator)
 * @return file handle of downloaded file
 */
private File downloadBackupToFile(String backupName, String outputDirectory, long totalFileBytes) {
    final PipedInputStream ftpDataInStream = new PipedInputStream();
    File outFile = null;
    try {
        PipedOutputStream ftpDataOutStream = new PipedOutputStream(ftpDataInStream);

        outFile = new File(outputDirectory, backupName);
        if (outFile.createNewFile()) {
            final FileOutputStream fileOutputStream = new FileOutputStream(outFile);
            new Thread(new Runnable() {
                public void run() {
                    try {
                        synchronized (asyncThreadMonitor) {
                            bytesDownloaded = IOUtils.copy(ftpDataInStream, fileOutputStream);
                            if (bytesDownloaded > 0)
                                bytesDownloaded += 0;
                        }
                    } catch (IOException e) {
                        throw new RuntimeException("Exception in copy thread", e);
                    }
                }
            }).start();
        } else {
            com.unispezi.cpanelremotebackup.tools.Console
                    .println("ERROR: Cannot create \"" + outFile + "\", file already exists.");
        }

        com.unispezi.cpanelremotebackup.tools.Console
                .println("Downloading " + backupName + " to " + outFile.getPath() + " :");
        com.unispezi.cpanelremotebackup.tools.Console.print("0% ");

        FTPClient.ProgressListener listener = new FTPClient.ProgressListener() {
            int lastPrintedPercentage = 0;

            @Override
            public void progressPercentageReached(int percentage) {
                int percentageRounded = percentage / 10;
                if (percentageRounded > lastPrintedPercentage) {
                    lastPrintedPercentage = percentageRounded;
                    com.unispezi.cpanelremotebackup.tools.Console.print(percentageRounded * 10 + "% ");
                }
            }
        };

        ftp.downloadFile(backupName, ftpDataOutStream, listener, totalFileBytes);
        synchronized (asyncThreadMonitor) {
            com.unispezi.cpanelremotebackup.tools.Console
                    .println("\nDownloaded " + bytesDownloaded + " bytes successfully");
        }
    } catch (IOException e) {
        com.unispezi.cpanelremotebackup.tools.Console.println("ERROR: Cannot download backup: " + e);
    }
    return outFile;
}

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From source file:ee.ria.xroad.proxy.clientproxy.ClientMessageProcessor.java

ClientMessageProcessor(HttpServletRequest servletRequest, HttpServletResponse servletResponse,
        HttpClient httpClient, IsAuthenticationData clientCert, OpMonitoringData opMonitoringData)
        throws Exception {
    super(servletRequest, servletResponse, httpClient);

    this.clientCert = clientCert;
    this.opMonitoringData = opMonitoringData;
    this.reqIns = new PipedInputStream();
    this.reqOuts = new PipedOutputStream(reqIns);
}

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From source file:TestOpenMailRelay.java

/** Construct a GUI and some I/O plumbing to get the output
 * of "TestOpenMailRelay" into the "results" textfield.
 *//*from w w w  .j  a  v a  2 s  .c  o  m*/
public TestOpenMailRelayGUI() throws IOException {
    super("Tests for Open Mail Relays");
    PipedInputStream is;
    PipedOutputStream os;
    JPanel p;
    Container cp = getContentPane();
    cp.add(BorderLayout.NORTH, p = new JPanel());

    // The entry label and text field.
    p.add(new JLabel("Host:"));
    p.add(hostTextField = new JTextField(10));
    hostTextField.addActionListener(runner);

    p.add(goButton = new JButton("Try"));
    goButton.addActionListener(runner);

    JButton cb;
    p.add(cb = new JButton("Clear Log"));
    cb.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            results.setText("");
        }
    });
    JButton sb;
    p.add(sb = new JButton("Save Log"));
    sb.setEnabled(false);

    results = new JTextArea(20, 60);
    // Add the text area to the main part of the window (CENTER).
    // Wrap it in a JScrollPane to make it scroll automatically.
    cp.add(BorderLayout.CENTER, new JScrollPane(results));

    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    pack(); // end of GUI portion

    // Create a pair of Piped Streams.
    is = new PipedInputStream();
    os = new PipedOutputStream(is);

    iis = new BufferedReader(new InputStreamReader(is, "ISO8859_1"));
    ps = new PrintStream(os);

    // Construct and start a Thread to copy data from "is" to "os".
    new Thread() {
        public void run() {
            try {
                String line;
                while ((line = iis.readLine()) != null) {
                    results.append(line);
                    results.append("\n");
                }
            } catch (IOException ex) {
                JOptionPane.showMessageDialog(null, "*** Input or Output error ***\n" + ex, "Error",
                        JOptionPane.ERROR_MESSAGE);
            }
        }
    }.start();
}

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From source file:org.apache.james.blob.cassandra.CassandraBlobsDAO.java

@Override
public InputStream read(BlobId blobId) {
    PipedInputStream pipedInputStream = new PipedInputStream();
    readBlobParts(blobId).subscribe(new PipedStreamSubscriber(pipedInputStream));
    return pipedInputStream;
}

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From source file:com.aperigeek.dropvault.web.dao.MongoFileService.java

public void put(final String username, String resource, InputStream data, long length, String contentType,
        final char[] password) throws ResourceNotFoundException, IOException {

    final String[] path = resource.split("/");
    Resource parent = getResourceAt(getRootFolder(username), Arrays.copyOfRange(path, 0, path.length - 2));

    DBCollection files = mongo.getDataBase().getCollection("files");
    DBCollection contents = mongo.getDataBase().getCollection("contents");

    ContentDetector contentDetector = null;
    if (contentType == null) {
        PipedInputStream pipeIn = new PipedInputStream();
        PipedOutputStream pipeOut = new PipedOutputStream(pipeIn);
        TeeInputStream tee = new TeeInputStream(data, pipeOut, true);
        contentDetector = new ContentDetector(path[path.length - 1], pipeIn);
        contentDetector.start();//  w  w w . j a  v  a 2s  .c o  m
        data = tee;
    }

    final File dataFile = createDataFile(data, username, password);

    if (contentDetector != null) {
        try {
            contentDetector.join();
            contentType = contentDetector.getContentType();
        } catch (InterruptedException ex) {
            Logger.getLogger(MongoFileService.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    Resource child = getChild(parent, path[path.length - 1]);
    if (child != null) {
        DBObject filter = new BasicDBObject();
        filter.put("_id", child.getId());
        DBObject update = new BasicDBObject("modificationDate", new Date());
        update.put("contentLength", length);
        update.put("contentType", contentType);
        files.update(filter, new BasicDBObject("$set", update));

        contents.update(new BasicDBObject("resource", child.getId()),
                new BasicDBObject("$set", new BasicDBObject("file", dataFile.getAbsolutePath())));
    } else {
        DBObject childObj = new BasicDBObject();
        ObjectId objId = new ObjectId();
        childObj.put("_id", objId);
        childObj.put("user", username);
        childObj.put("name", path[path.length - 1]);
        childObj.put("parent", parent.getId());
        childObj.put("type", Resource.ResourceType.FILE.toString());
        childObj.put("creationDate", new Date());
        childObj.put("modificationDate", new Date());
        childObj.put("contentType", contentType);
        childObj.put("contentLength", length);

        files.insert(childObj);

        DBObject content = new BasicDBObject();
        content.put("resource", objId);
        content.put("file", dataFile.getAbsolutePath());

        contents.insert(content);

        files.update(new BasicDBObject("_id", parent.getId()),
                new BasicDBObject("$set", new BasicDBObject("modificationDate", new Date())));

        child = buildResource(childObj);
    }

    final String fContentType = contentType;
    final Resource fChild = child;
    new Thread() {
        public void run() {
            try {
                Map<String, String> metadata = extractionService.extractContent(path[path.length - 1],
                        readFile(dataFile, username, password), fContentType);

                metadata.put("name", path[path.length - 1]);

                indexService.remove(username, new String(password), fChild.getId().toString());
                indexService.index(username, new String(password), fChild.getId().toString(), metadata);
            } catch (Exception ex) {
                Logger.getLogger(MongoFileService.class.getName()).log(Level.SEVERE,
                        "Index failed for " + path[path.length - 1], ex);
            }
        }
    }.start();
}

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From source file:org.apache.olingo.client.core.communication.response.AbstractODataResponse.java

@Override
public InputStream getRawResponse() {
    if (HttpStatus.SC_NO_CONTENT == getStatusCode()) {
        throw new NoContentException();
    }//ww  w. j a v a 2s . co m

    if (payload == null && batchInfo.isValidBatch()) {
        // get input stream till the end of item
        payload = new PipedInputStream();

        try {
            final PipedOutputStream os = new PipedOutputStream((PipedInputStream) payload);

            new Thread(new Runnable() {
                @Override
                public void run() {
                    try {
                        ODataBatchUtilities.readBatchPart(batchInfo, os, true);
                    } catch (Exception e) {
                        LOG.error("Error streaming batch item payload", e);
                    } finally {
                        IOUtils.closeQuietly(os);
                    }
                }
            }).start();
        } catch (IOException e) {
            LOG.error("Error streaming payload response", e);
            throw new IllegalStateException(e);
        }
    }

    return payload;
}

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From source file:com.streamsets.datacollector.bundles.SupportBundleManager.java

/**
 * Return InputStream from which a new generated resource bundle can be retrieved.
 *//*from   w  ww.j av  a2 s.  com*/
public SupportBundle generateNewBundleFromInstances(List<BundleContentGenerator> generators,
        BundleType bundleType) throws IOException {
    PipedInputStream inputStream = new PipedInputStream();
    PipedOutputStream outputStream = new PipedOutputStream();
    inputStream.connect(outputStream);
    ZipOutputStream zipOutputStream = new ZipOutputStream(outputStream);

    executor.submit(() -> generateNewBundleInternal(generators, bundleType, zipOutputStream));

    String bundleName = generateBundleName(bundleType);
    String bundleKey = generateBundleDate(bundleType) + "/" + bundleName;

    return new SupportBundle(bundleKey, bundleName, inputStream);
}

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From source file:Console.java

public ConsoleTextArea() {
    super();/*w w w .j  av a 2 s .  co  m*/
    history = new java.util.Vector<String>();
    console1 = new ConsoleWriter(this);
    ConsoleWriter console2 = new ConsoleWriter(this);
    out = new PrintStream(console1);
    err = new PrintStream(console2);
    PipedOutputStream outPipe = new PipedOutputStream();
    inPipe = new PrintWriter(outPipe);
    in = new PipedInputStream();
    try {
        outPipe.connect(in);
    } catch (IOException exc) {
        exc.printStackTrace();
    }
    getDocument().addDocumentListener(this);
    addKeyListener(this);
    setLineWrap(true);
    setFont(new Font("Monospaced", 0, 12));
}

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From source file:com.sshtools.daemon.scp.ScpServer.java

private void scp(String args) throws IOException {
    log.debug("Parsing ScpServer options " + args);

    //   Parse the command line for supported options
    String[] a = StringUtil.current().allParts(args, " ");
    destination = null;/*ww  w.  j av a 2 s .com*/
    directory = false;
    from = false;
    to = false;
    recursive = false;
    verbosity = 0;

    boolean remote = false;

    for (int i = 0; i < a.length; i++) {
        if (a[i].startsWith("-")) {
            String s = a[i].substring(1);

            for (int j = 0; j < s.length(); j++) {
                char ch = s.charAt(j);

                switch (ch) {
                case 't':
                    to = true;

                    break;

                case 'd':
                    directory = true;

                    break;

                case 'f':
                    from = true;

                    break;

                case 'r':
                    recursive = true;

                    break;

                case 'v':
                    verbosity++;

                    break;

                case 'p':
                    preserveAttributes = true;

                    break;

                default:
                    log.warn("Unsupported argument, allowing to continue.");
                }
            }
        } else {
            if (destination == null) {
                destination = a[i];
            } else {
                throw new IOException("More than one destination supplied " + a[i]);
            }
        }
    }

    if (!to && !from) {
        throw new IOException("Must supply either -t or -f.");
    }

    if (destination == null) {
        throw new IOException("Destination not supplied.");
    }

    log.debug("Destination is " + destination);
    log.debug("Recursive is " + recursive);
    log.debug("Directory is " + directory);
    log.debug("Verbosity is " + verbosity);
    log.debug("From is " + from);
    log.debug("To is " + to);
    log.debug("Preserve Attributes " + preserveAttributes);

    //   Start the SCP server
    log.debug("Creating pipes");
    pipeIn = new PipedOutputStream();
    pipeErr = new PipedOutputStream();
    pipeOut = new PipedInputStream();
    in = new PipedInputStream(pipeIn);
    err = new PipedInputStream(pipeErr);
    out = new PipedOutputStream(pipeOut);
}

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From source file:ubicrypt.core.Utils.java

public static InputStream readIs(final Path path) {
    final PipedInputStream pis = new PipedInputStream();
    final AtomicLong pos = new AtomicLong(0);
    try {//from   w  w w. j av a2 s  .  c o  m
        final PipedOutputStream ostream = new PipedOutputStream(pis);
        final AsynchronousFileChannel channel = AsynchronousFileChannel.open(path, StandardOpenOption.READ);
        final ByteBuffer buffer = ByteBuffer.allocate(1 << 16);
        channel.read(buffer, pos.get(), buffer, new CompletionHandler<Integer, ByteBuffer>() {
            @Override
            public void completed(final Integer result, final ByteBuffer buf) {
                try {
                    if (result == -1) {
                        ostream.close();
                        return;
                    }
                    final byte[] bytes = new byte[result];
                    System.arraycopy(buf.array(), 0, bytes, 0, result);
                    ostream.write(bytes);
                    ostream.flush();
                    if (result < 1 << 16) {
                        ostream.close();
                        return;
                    }
                    pos.addAndGet(result);
                    final ByteBuffer buffer = ByteBuffer.allocate(1 << 16);
                    channel.read(buffer, pos.get(), buffer, this);
                } catch (final IOException e) {
                    Throwables.propagate(e);
                }
            }

            @Override
            public void failed(final Throwable exc, final ByteBuffer attachment) {
                log.error(exc.getMessage(), exc);
            }
        });
    } catch (final IOException e) {
        if (e instanceof NoSuchFileException) {
            throw new NotFoundException(path);
        }
        Throwables.propagate(e);
    }
    return pis;
}

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