Example usage for java.io DataOutputStream write

List of usage examples for java.io DataOutputStream write

  1. HOME
  2. Java
  3. java
  4. java.io.*
  5. DataOutputStream
  6. write

Introduction

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

Prototype

public synchronized void write(int b) throws IOException

Source Link

Document

Writes the specified byte (the low eight bits of the argument b) to the underlying output stream.

Usage

From source file:org.cloudata.core.client.scanner.SingleTabletScanner.java

protected SingleTabletScanner(final CloudataConf conf, final TabletInfo tabletInfo, final RowFilter rowFilter)
        throws IOException {
    this.tabletInfo = tabletInfo;

    //ScanFilter ? column?   .
    if (rowFilter.getCellFilters().size() == 0) {
        throw new IOException("No column in RowFilter");
    }/*w  w w .  ja  v  a2  s  .  c  o m*/
    this.rowFilter = rowFilter;
    this.columnName = rowFilter.getColumns()[0];

    String hostName = tabletInfo.getAssignedHostName();
    int index = hostName.indexOf(":");
    String host = hostName.substring(0, index);

    InetSocketAddress targetAddr = null;
    try {
        DataServiceProtocol tabletServer = CTableManager.connectTabletServer(hostName, conf);
        String port = tabletServer.getTabletServerConf("tabletServer.scanner.port");
        targetAddr = NetworkUtil.getAddress(host + ":" + port);
    } catch (IOException e) {
        LOG.error("Can't connect to " + hostName + "," + e.getMessage());
        throw e;
    }

    try {
        socket = new Socket();
        socket.connect(targetAddr, READ_TIMEOUT);
        socket.setSoTimeout(READ_TIMEOUT);

        DataOutputStream out = new DataOutputStream(new BufferedOutputStream(socket.getOutputStream()));
        out.write(Constants.OPEN_SCANNER);
        CWritableUtils.writeString(out, tabletInfo.getTabletName());
        CWritableUtils.writeString(out, columnName);
        rowFilter.write(out);
        out.flush();

        in = new DataInputStream(new BufferedInputStream(socket.getInputStream()));
        byte successOpen = (byte) in.read();
        if (successOpen == Constants.SCANNER_OPEN_FAIL) {
            String errorMessage = CWritableUtils.readString(in);
            in.close();
            throw new IOException(errorMessage);
        }

        String scannerId = CWritableUtils.readString(in);
        touchThread = new Thread(new LeaseTouchThread(conf, tabletInfo.getAssignedHostName(), scannerId));
        touchThread.setName(
                "ScannerLeaseTouchThread_" + tabletInfo.getTabletName() + "_" + System.currentTimeMillis());
        touchThread.start();
    } catch (SocketException e) {
        this.close();
        //LOG.warn("Scan open error cause:" + e.getMessage() + ", tablet=" + tabletInfo);
        throw e;
    } catch (IOException e) {
        this.close();
        //LOG.warn("Scan open error cause:" + e.getMessage() + ", tablet=" + tabletInfo, e);
        throw e;
    } catch (Exception e) {
        //LOG.warn("Scan open error cause:" + e.getMessage() + ", tablet=" + tabletInfo, e);
        throw new IOException(e.getMessage(), e);
    }
}

From source file:com.amazon.alexa.avs.auth.companionapp.OAuth2ClientForPkce.java

JsonObject postRequest(HttpURLConnection connection, String data) throws IOException {
    int responseCode = -1;
    InputStream error = null;//from  w w w .j a v  a 2 s.co m
    InputStream response = null;
    DataOutputStream outputStream = null;
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/json");
    connection.setDoOutput(true);

    outputStream = new DataOutputStream(connection.getOutputStream());
    outputStream.write(data.getBytes(StandardCharsets.UTF_8));
    outputStream.flush();
    outputStream.close();
    responseCode = connection.getResponseCode();

    try {
        response = connection.getInputStream();
        JsonReader reader = Json.createReader(new InputStreamReader(response, StandardCharsets.UTF_8));
        return reader.readObject();

    } catch (IOException ioException) {
        error = connection.getErrorStream();
        if (error != null) {
            LWAException lwaException = new LWAException(IOUtils.toString(error), responseCode);
            throw lwaException;
        } else {
            throw ioException;
        }
    } finally {
        IOUtils.closeQuietly(error);
        IOUtils.closeQuietly(outputStream);
        IOUtils.closeQuietly(response);
    }
}

From source file:net.sourceforge.fenixedu.presentationTier.Action.publico.candidacies.GenericCandidaciesDA.java

public ActionForward downloadRecomendationFile(ActionMapping mapping, ActionForm form,
        HttpServletRequest request, HttpServletResponse response) throws IOException {
    final String confirmationCode = (String) getFromRequest(request, "confirmationCode");
    final GenericApplicationLetterOfRecomentation file = getDomainObject(request, "fileExternalId");
    if (file != null && file.getRecomentation() != null && file.getRecomentation().getConfirmationCode() != null
            && ((file.getRecomentation().getGenericApplication().getGenericApplicationPeriod()
                    .isCurrentUserAllowedToMange())
                    || file.getRecomentation().getConfirmationCode().equals(confirmationCode))) {
        response.setContentType(file.getContentType());
        response.addHeader("Content-Disposition", "attachment; filename=\"" + file.getFilename() + "\"");
        response.setContentLength(file.getSize().intValue());
        final DataOutputStream dos = new DataOutputStream(response.getOutputStream());
        dos.write(file.getContent());
        dos.close();//from  w  w w  .  j  av a 2  s .c o  m
    } else {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_BAD_REQUEST));
        response.getWriter().close();
    }
    return null;
}

From source file:net.sourceforge.fenixedu.presentationTier.Action.publico.candidacies.GenericCandidaciesDA.java

public ActionForward downloadFile(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws IOException {
    final GenericApplication application = getDomainObject(request, "applicationExternalId");
    final String confirmationCode = (String) getFromRequest(request, "confirmationCode");
    final GenericApplicationFile file = getDomainObject(request, "fileExternalId");
    if (application != null && file != null && file.getGenericApplication() == application
            && ((confirmationCode != null && application.getConfirmationCode() != null
                    && application.getConfirmationCode().equals(confirmationCode))
                    || application.getGenericApplicationPeriod().isCurrentUserAllowedToMange())) {
        response.setContentType(file.getContentType());
        response.addHeader("Content-Disposition", "attachment; filename=\"" + file.getFilename() + "\"");
        response.setContentLength(file.getSize().intValue());
        final DataOutputStream dos = new DataOutputStream(response.getOutputStream());
        dos.write(file.getContent());
        dos.close();//from  w  w w .  j ava  2  s.  c  o m
    } else {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_BAD_REQUEST));
        response.getWriter().close();
    }
    return null;
}

From source file:com.github.abilityapi.abilityapi.external.Metrics.java

/**
 * Sends the data to the bStats server./*ww  w . ja  va 2  s .  co m*/
 *
 * @param data The data to send.
 * @throws Exception If the request failed.
 */
private static void sendData(JsonObject data) throws Exception {
    Validate.notNull(data, "Data cannot be null");
    HttpsURLConnection connection = (HttpsURLConnection) new URL(URL).openConnection();

    // Compress the data to save bandwidth
    byte[] compressedData = compress(data.toString());

    // Add headers
    connection.setRequestMethod("POST");
    connection.addRequestProperty("Accept", "application/json");
    connection.addRequestProperty("Connection", "close");
    connection.addRequestProperty("Content-Encoding", "gzip"); // We gzip our request
    connection.addRequestProperty("Content-Length", String.valueOf(compressedData.length));
    connection.setRequestProperty("Content-Type", "application/json"); // We send our data in JSON format
    connection.setRequestProperty("User-Agent", "MC-Server/" + B_STATS_VERSION);

    // Send data
    connection.setDoOutput(true);
    DataOutputStream outputStream = new DataOutputStream(connection.getOutputStream());
    outputStream.write(compressedData);
    outputStream.flush();
    outputStream.close();

    connection.getInputStream().close(); // We don't care about the response - Just send our data :)
}

From source file:org.bibsonomy.rest.client.worker.impl.GetWorker.java

/**
 * Download the file//  w  w w .  j  ava2  s .c  o m
 * @param url
 * @param file
 * @throws ErrorPerformingRequestException
 * @author Waldemar Biller
 */
public void performFileDownload(final String url, File file) throws ErrorPerformingRequestException {

    LOGGER.debug("GET: URL: " + url);

    // dirty but working
    if (this.proxyHost != null) {
        getHttpClient().getHostConfiguration().setProxy(this.proxyHost, this.proxyPort);
    }

    final GetMethod get = new GetMethod(url);
    get.addRequestHeader(HeaderUtils.HEADER_AUTHORIZATION,
            HeaderUtils.encodeForAuthorization(this.username, this.apiKey));
    get.setDoAuthentication(true);
    get.setFollowRedirects(true);

    try {
        this.httpResult = getHttpClient().executeMethod(get);
        LOGGER.debug("HTTP result: " + this.httpResult);
        LOGGER.debug("Content-Type:" + get.getRequestHeaders("Content-Type"));
        LOGGER.debug("===================================================");
        final InputStream in = get.getResponseBodyAsStream();

        /*
         * FIXME: check for errors
         */
        if (in != null) {

            // read the file from the source and write it to 
            // the target given by the file parametetr

            final DataOutputStream dos = new DataOutputStream(
                    new BufferedOutputStream(new FileOutputStream(file)));

            int bytesRead = 0;
            int b = 0;
            do {
                b = in.read();
                dos.write(b);
                callCallback(bytesRead++, get.getResponseContentLength());
            } while (b > -1);

            in.close();
            dos.close();

            return;
        }
    } catch (final IOException e) {
        LOGGER.debug(e.getMessage(), e);
        throw new ErrorPerformingRequestException(e);
    } finally {
        get.releaseConnection();
    }
    throw new ErrorPerformingRequestException("No Answer.");
}

From source file:com.machinelinking.api.client.APIClient.java

private InputStream sendRequest(String service, String group, Map<String, Object> properties)
        throws IOException {
    try {//from ww  w .ja  v  a2  s.c  o  m
        URL url = new URL(service);
        HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
        httpURLConnection.setConnectTimeout(connTimeout);
        httpURLConnection.setRequestMethod("POST");
        httpURLConnection.setDoOutput(true);

        properties.put(ParamsValidator.app_id, appId);
        properties.put(ParamsValidator.app_key, appKey);
        StringBuilder data = ParamsValidator.getInstance().buildRequest(group, properties);
        httpURLConnection.addRequestProperty("Content-type",
                "application/x-www-form-urlencoded; charset=UTF-8");

        DataOutputStream dataOutputStream = new DataOutputStream(httpURLConnection.getOutputStream());
        dataOutputStream.write(data.toString().getBytes());
        dataOutputStream.close();

        if (httpURLConnection.getResponseCode() == 200) {
            return httpURLConnection.getInputStream();
        } else {
            return httpURLConnection.getErrorStream();
        }
    } catch (MalformedURLException e) {
        throw new IllegalStateException(e);
    }
}

From source file:com.facebook.infrastructure.db.Column.java

public void serialize(IColumn column, DataOutputStream dos) throws IOException {
    dos.writeUTF(column.name());/* ww  w.  j  a v  a2  s  . c o m*/
    dos.writeBoolean(column.isMarkedForDelete());
    dos.writeLong(column.timestamp());
    dos.writeInt(column.value().length);
    dos.write(column.value());
}

From source file:org.eclipse.smila.integration.solr.SolrIndexPipelet.java

@Override
public String[] process(final Blackboard blackboard, final String[] recordIds) throws ProcessingException {
    final String updateURL = HTTP_LOCALHOST + SOLR_WEBAPP + UPDATE;
    String updateXMLMessage = null;
    URL url = null;//from   w w w. j a  v a2  s  .  c  om
    HttpURLConnection conn = null;
    String logId = null;
    try {
        url = new URL(updateURL);
        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod(POST);
        conn.setRequestProperty(CONTENT_TYPE, TEXT_XML_CHARSET + UTF8);
        conn.setUseCaches(false);
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setReadTimeout(10000);
    } catch (final Exception e) {
        final String msg = "Error while opening Solr connection: '" + e.getMessage() + "'";
        _log.error(msg, e);
        throw new ProcessingException(msg, e);
    }
    try {
        final DOMImplementation impl = DOMImplementationImpl.getDOMImplementation();
        final Document document = impl.createDocument(null, SolrResponseHandler.SOLR, null);
        Element add = null;
        if (_mode == ExecutionMode.ADD) {
            add = document.createElement(ADD);
        } else {
            add = document.createElement(DELETE);
        }
        if (_allowDoublets) {
            add.setAttribute(OVERWRITE, "false");
        } else {
            add.setAttribute(OVERWRITE, "true");
        }
        add.setAttribute(COMMIT_WITHIN, String.valueOf(_commitWithin));

        for (final String id : recordIds) {
            logId = id;
            final Element doc = document.createElement(SolrResponseHandler.DOC);
            add.appendChild(doc);

            // Create id attribute
            Element field = document.createElement(FIELD);
            field.setAttribute(SolrResponseHandler.NAME, SolrResponseHandler.ID);
            final String idEncoded = URLEncoder.encode(id, UTF8);
            Text text = document.createTextNode(idEncoded);
            field.appendChild(text);
            doc.appendChild(field);

            // Create all other attributes
            final AnyMap record = blackboard.getMetadata(id);
            for (final String attrName : record.keySet()) {
                if (!attrName.startsWith(META_DATA) && !attrName.startsWith(RESPONSE_HEADER)) {
                    final Any attributeValue = record.get(attrName);
                    for (final Any any : attributeValue) {
                        if (any.isValue()) {
                            final Value value = (Value) any;
                            String stringValue = null;
                            if (value.isDate()) {
                                final SimpleDateFormat df = new SimpleDateFormat(
                                        SolrResponseHandler.DATE_FORMAT_PATTERN);
                                stringValue = df.format(value.asDate());
                            } else if (value.isDateTime()) {
                                final SimpleDateFormat df = new SimpleDateFormat(
                                        SolrResponseHandler.DATE_FORMAT_PATTERN);
                                stringValue = df.format(value.asDateTime());
                            } else {
                                stringValue = replaceNonXMLChars(value.asString());
                            }
                            field = document.createElement(FIELD);
                            field.setAttribute(SolrResponseHandler.NAME, attrName);
                            text = document.createTextNode(stringValue);
                            field.appendChild(text);
                            doc.appendChild(field);
                        }
                    }
                }
            }
        }
        final Transformer transformer = TRANSFORMER_FACTORY.newTransformer();
        if (_log.isDebugEnabled()) {
            transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        }
        final DOMSource source = new DOMSource(add);
        final Writer w = new StringWriter();
        final StreamResult streamResult = new StreamResult(w);
        transformer.transform(source, streamResult);
        updateXMLMessage = streamResult.getWriter().toString();
        conn.setRequestProperty(CONTENT_LENGTH, Integer.toString(updateXMLMessage.length()));
        final DataOutputStream os = new DataOutputStream(conn.getOutputStream());
        os.write(updateXMLMessage.getBytes(UTF8));
        os.flush();
        os.close();

        final BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String line;
        final StringBuffer response = new StringBuffer();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\r');
        }
        rd.close();
        // System.out.println("Response:\n" + response.toString());
    } catch (final Exception e) {
        final String msg = "Error while processing record '" + logId + "' for index '" + _indexName + "': "
                + e.getMessage() + "'.";
        _log.error(msg, e);
        if (_log.isDebugEnabled()) {
            try {
                final FileOutputStream fos = new FileOutputStream(DigestHelper.calculateDigest(logId) + ".xml");
                fos.write(updateXMLMessage.getBytes(UTF8));
                fos.flush();
                fos.close();
            } catch (final Exception ee) {
                throw new ProcessingException(msg, ee);
            }
        }
        throw new ProcessingException(msg, e);
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
    return recordIds;
}