Example usage for java.io DataOutputStream DataOutputStream

List of usage examples for java.io DataOutputStream DataOutputStream

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Introduction

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

Prototype

public DataOutputStream(OutputStream out)

Source Link

Document

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

Usage

From source file:export.FormCrawler.java

public static void postMulti(HttpURLConnection conn, Part<?> parts[]) throws IOException {
    String lineEnd = "\r\n";
    String twoHyphens = "--";
    String boundary = "*****" + Long.toString(System.currentTimeMillis()) + "*****";
    conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
    DataOutputStream outputStream = new DataOutputStream(conn.getOutputStream());
    for (int i = 0; i < parts.length; i++) {
        outputStream.writeBytes(twoHyphens + boundary + lineEnd);
        outputStream.writeBytes("Content-Disposition: form-data; name=\"" + parts[i].name + "\"");
        if (parts[i].filename != null)
            outputStream.writeBytes("; filename=\"" + parts[i].filename + "\"");
        outputStream.writeBytes(lineEnd);

        if (parts[i].contentType != null)
            outputStream.writeBytes("Content-Type: " + parts[i].contentType + lineEnd);
        if (parts[i].contentTransferEncoding != null)
            outputStream.writeBytes("Content-Transfer-Encoding: " + parts[i].contentTransferEncoding + lineEnd);
        outputStream.writeBytes(lineEnd);
        parts[i].value.write(outputStream);
        outputStream.writeBytes(lineEnd);
    }/*from   w ww  .j  a  va 2 s  .co m*/
    outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
    outputStream.flush();
    outputStream.close();
}

From source file:pl.edu.agh.ServiceConnection.java

/**
 * 1. Sends data to service: console password | service password | service id
 *//*from   www  .j  av  a2  s.co  m*/
public void connect(Service service) {
    try {
        LOGGER.info("Connecting to service: " + service);
        Socket socket = new Socket(service.getHost(), service.getPort());
        socket.setSoTimeout(300);
        DataOutputStream out = new DataOutputStream(socket.getOutputStream());
        BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));

        out.writeBytes(service.getPassword() + "|" + service.getId() + "\r\n");
        String response = in.readLine();

        in.close();
        out.close();
        socket.close();

        LOGGER.info("Service response: " + response);

    } catch (Exception e) {
        LOGGER.error("Error connecting with daemon: " + e.getMessage());
    }
}

From source file:org.wso2.carbon.appmgt.sample.deployer.http.HttpHandler.java

/**
 * This method is used to do a https post request
 *
 * @param url         request url//  w  w w. j  a  v  a  2  s.  c om
 * @param payload     Content of the post request
 * @param sessionId   sessionId for authentication
 * @param contentType content type of the post request
 * @return response
 * @throws java.io.IOException - Throws this when failed to fulfill a https post request
 */
public String doPostHttps(String url, String payload, String sessionId, String contentType) throws IOException {
    URL obj = new URL(url);

    HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();
    //add reuqest header
    con.setRequestMethod("POST");
    if (!sessionId.equals("")) {
        con.setRequestProperty("Cookie", "JSESSIONID=" + sessionId);
    }
    if (!contentType.equals("")) {
        con.setRequestProperty("Content-Type", contentType);
    }
    con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
    con.setDoOutput(true);
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(payload);
    wr.flush();
    wr.close();
    int responseCode = con.getResponseCode();
    if (responseCode == 200) {
        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();
        if (sessionId.equals("")) {
            String session_id = response.substring((response.lastIndexOf(":") + 3),
                    (response.lastIndexOf("}") - 2));
            return session_id;
        } else if (sessionId.equals("header")) {
            return con.getHeaderField("Set-Cookie");
        }

        return response.toString();
    }
    return null;
}

From source file:db.dao.ArticleDao.java

public void deletebyId(String deleteId) {
    try {/*from   w w  w  . ja va 2s.c o m*/
        String url = this.checkIfLocal("article/delete");
        URL obj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();

        //add reuqest header
        con.setRequestMethod("POST");
        con.setRequestProperty("User-Agent", USER_AGENT);
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

        String urlParameters = "id=" + URLEncoder.encode(deleteId);

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        int responseCode = con.getResponseCode();

        //print result
        System.out.println(responseCode);

    } catch (MalformedURLException ex) {
        Logger.getLogger(ArticleDao.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(ArticleDao.class.getName()).log(Level.SEVERE, null, ex);
    }
}

From source file:com.microsoft.azure.management.TestContainerService.java

private String getSshKey() throws Exception {
    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
    keyPairGenerator.initialize(2048);//from   w w  w. j  av  a 2 s . co m
    KeyPair keyPair = keyPairGenerator.generateKeyPair();
    RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
    ByteArrayOutputStream byteOs = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(byteOs);
    dos.writeInt("ssh-rsa".getBytes().length);
    dos.write("ssh-rsa".getBytes());
    dos.writeInt(publicKey.getPublicExponent().toByteArray().length);
    dos.write(publicKey.getPublicExponent().toByteArray());
    dos.writeInt(publicKey.getModulus().toByteArray().length);
    dos.write(publicKey.getModulus().toByteArray());
    String publicKeyEncoded = new String(Base64.encodeBase64(byteOs.toByteArray()));
    return "ssh-rsa " + publicKeyEncoded + " ";
}

From source file:com.proofpoint.zookeeper.io.TempLocalDirectory.java

public TempFileBackedOutputStream newTempFileBackedOutputStream(String destinationPath) throws IOException {
    final File tempFile = newFile();
    final File destinationFile = new File(destinationPath);
    final DataOutputStream tempFileOutputStream = new DataOutputStream(
            new BufferedOutputStream(new FileOutputStream(tempFile)));

    return new TempFileBackedOutputStream() {
        @Override/*www. ja va  2 s .c  o m*/
        public DataOutputStream getStream() {
            return tempFileOutputStream;
        }

        @Override
        public void commit() throws IOException {
            close(true);
        }

        @Override
        public void release() throws IOException {
            close(false);
        }

        private void close(boolean upload) throws IOException {
            if (isOpen) {
                isOpen = false;

                tempFileOutputStream.close();
                if (upload) {
                    if (!tempFile.renameTo(destinationFile)) {
                        throw new IOException(
                                "Could not rename " + tempFile.getPath() + " to " + destinationFile.getPath());
                    }
                } else {
                    deleteFile(tempFile);
                }
            }
        }

        private boolean isOpen = true;
    };
}

From source file:com.anrisoftware.prefdialog.miscswing.docks.dockingframes.layoutsaver.SaveLayoutWorker.java

@Override
protected void process(List<OutputStream> chunks) {
    try {//from   w  ww  .  j a va 2  s  . co  m
        control.save(name);
        control.write(new DataOutputStream(outputStream));
        fireLayoutSaved();
    } catch (IOException e) {
        fireLayoutError(e);
    }
    synchronized (this) {
        notify();
    }
}

From source file:org.hyperic.lather.client.LatherHTTPClient.java

public LatherValue invoke(String method, LatherValue args) throws IOException, LatherRemoteException {
    ByteArrayOutputStream bOs = new ByteArrayOutputStream();
    DataOutputStream dOs = new DataOutputStream(bOs);

    this.xCoder.encode(args, dOs);

    byte[] rawData = bOs.toByteArray();
    String encodedArgs = Base64.encode(rawData);
    Map<String, String> postParams = new HashMap<String, String>();

    postParams.put("method", method);
    postParams.put("args", encodedArgs);
    postParams.put("argsClass", args.getClass().getName());

    HttpResponse response = client.post(baseURL, postParams);

    if ((response != null) && (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK)) {
        ByteArrayInputStream bIs;
        DataInputStream dIs;//w w  w .ja v a 2  s . co m
        Header errHeader = response.getFirstHeader(HDR_ERROR);
        Header clsHeader = response.getFirstHeader(HDR_VALUECLASS);
        HttpEntity entity = response.getEntity();
        String responseBody = EntityUtils.toString(entity);

        if (errHeader != null) {
            throw new LatherRemoteException(responseBody);
        }

        if (clsHeader == null) {
            throw new IOException("Server returned malformed result: did not contain a value class header");
        }

        Class<?> resClass;

        try {
            resClass = Class.forName(clsHeader.getValue());
        } catch (ClassNotFoundException exc) {
            throw new LatherRemoteException("Server returned a class '" + clsHeader.getValue()
                    + "' which the client did not have access to");
        }

        try {
            bIs = new ByteArrayInputStream(Base64.decode(responseBody));
        } catch (IllegalArgumentException e) {
            throw new SystemException("could not decode response from server body=" + responseBody, e);
        }
        dIs = new DataInputStream(bIs);

        return this.xCoder.decode(dIs, resClass);
    } else {
        throw new IOException("Connection failure: " + response.getStatusLine());
    }
}

From source file:org.openxdata.server.servlet.WMDownloadServlet.java

private void downloadForms(HttpServletResponse response, int studyId) throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(baos);
    formDownloadService.downloadForms(studyId, dos, "", "");
    baos.flush();//w w  w .j a va 2s.co  m
    dos.flush();
    byte[] data = baos.toByteArray();
    baos.close();
    dos.close();
    DataInputStream dis = new DataInputStream(new ByteArrayInputStream(data));

    PrintWriter out = response.getWriter();
    out.println("<study>");

    try {
        dis.readByte(); //reads the size of the studies

        while (true) {
            String value = dis.readUTF();
            out.println("<form>" + value + "</form>");
        }
    } catch (EOFException exe) {
        //exe.printStackTrace();
    }

    out.println("</study>");
    out.flush();
    dis.close();
}

From source file:org.fosstrak.ale.server.type.FileSubscriberOutputChannel.java

/**
 * This method writes ec reports to a file.
 * //w w  w.  ja v  a 2  s  .  c  o  m
 * @param reports to write to the file
 * @throws ImplementationException if an implementation exception occures
 */
private void writeNotificationToFile(ECReports reports) throws ImplementationException {
    // append reports as xml to file
    LOG.debug("Append reports '" + reports.getSpecName() + "' as xml to file '" + getPath() + "'.");

    File file = getFile();

    // create file if it does not already exists
    if (!file.exists() || !file.isFile()) {
        try {
            file.createNewFile();
        } catch (IOException e) {
            throw new ImplementationException("Could not create new file '" + getPath() + "'.", e);
        }
    }

    try {

        // open streams
        FileOutputStream fileOutputStream = new FileOutputStream(file, true);
        DataOutputStream dataOutputStream = new DataOutputStream(fileOutputStream);

        // append reports as xml to file
        dataOutputStream.writeBytes(getPrettyXml(reports));
        dataOutputStream.writeBytes("\n\n");
        dataOutputStream.flush();

        // close streams
        dataOutputStream.close();
        fileOutputStream.close();

    } catch (IOException e) {
        throw new ImplementationException("Could not write to file '" + getPath() + "'.", e);
    }
}