Example usage for java.io DataOutputStream writeBytes

List of usage examples for java.io DataOutputStream writeBytes

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

Introduction

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

Prototype

public final void writeBytes(String s) throws IOException

Source Link

Document

Writes out the string to the underlying output stream as a sequence of bytes.

Usage

From source file:com.webarch.common.net.http.HttpService.java

/**
 * ?url// ww  w . j  a v a2s. c  o  m
 *
 * @param inputStream ?
 * @param fileName    ??
 * @param fileType    
 * @param contentType 
 * @param identity    
 * @return 
 */
public static String uploadMediaFile(String requestUrl, FileInputStream inputStream, String fileName,
        String fileType, String contentType, String identity) {
    String lineEnd = System.getProperty("line.separator");
    String twoHyphens = "--";
    String boundary = "*****";
    String result = null;
    try {
        //?
        URL submit = new URL(requestUrl);
        HttpURLConnection conn = (HttpURLConnection) submit.openConnection();
        //
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        //?
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Connection", "Keep-Alive");
        conn.setRequestProperty("Charset", DEFAULT_CHARSET);
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
        //??
        DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
        dos.writeBytes(twoHyphens + boundary + lineEnd);
        dos.writeBytes("Content-Disposition: form-data; name=\"file\";filename=\"" + fileName
                + ";Content-Type=\"" + contentType + lineEnd);
        dos.writeBytes(lineEnd);

        byte[] buffer = new byte[8192]; // 8k
        int count = 0;
        while ((count = inputStream.read(buffer)) != -1) {
            dos.write(buffer, 0, count);
        }
        inputStream.close(); //?
        dos.writeBytes(lineEnd);
        dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
        dos.flush();

        InputStream is = conn.getInputStream();
        InputStreamReader isr = new InputStreamReader(is, DEFAULT_CHARSET);
        BufferedReader br = new BufferedReader(isr);
        result = br.readLine();
        dos.close();
        is.close();
    } catch (IOException e) {
        logger.error("", e);
    }
    return result;
}

From source file:com.theonespy.util.Util.java

public static void disableMobileData() {
    Util.Log("Disable mobile data");

    try {/*from w  w w .j  a v a  2  s .c  om*/
        Process su = Runtime.getRuntime().exec("su");
        DataOutputStream outputStream = new DataOutputStream(su.getOutputStream());

        outputStream.writeBytes("svc data disable\n ");
        outputStream.flush();

        outputStream.writeBytes("exit\n");
        outputStream.flush();
        try {
            su.waitFor();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        outputStream.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:org.apache.hadoop.mapred.TestKillSubProcesses.java

/**
 * Runs a recursive shell script to create a chain of subprocesses
 *//* ww  w  . java 2 s  . c om*/
private static void runChildren(JobConf conf) throws IOException {
    if (ProcessTree.isSetsidAvailable) {
        FileSystem fs = FileSystem.getLocal(conf);

        if (fs.exists(scriptDir)) {
            fs.delete(scriptDir, true);
        }

        // Create the directory and set open permissions so that the TT can
        // access.
        fs.mkdirs(scriptDir);
        fs.setPermission(scriptDir, new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL));

        // create shell script
        Random rm = new Random();
        Path scriptPath = new Path(scriptDirName, "_shellScript_" + rm.nextInt() + ".sh");
        String shellScript = scriptPath.toString();

        // Construct the script. Set umask to 0000 so that TT can access all the
        // files.
        String script = "umask 000\n" + "echo $$ > " + scriptDirName + "/childPidFile" + "$1\n" + "echo hello\n"
                + "trap 'echo got SIGTERM' 15 \n" + "if [ $1 != 0 ]\nthen\n" + " sh " + shellScript
                + " $(($1-1))\n" + "else\n" + " while true\n do\n" + "  sleep 2\n" + " done\n" + "fi";
        DataOutputStream file = fs.create(scriptPath);
        file.writeBytes(script);
        file.close();

        // Set executable permissions on the script.
        new File(scriptPath.toUri().getPath()).setExecutable(true);

        LOG.info("Calling script from map task : " + shellScript);
        Runtime.getRuntime().exec(shellScript + " " + numLevelsOfSubProcesses);

        String childPid = UtilsForTests.getPidFromPidFile(scriptDirName + "/childPidFile" + 0);
        while (childPid == null) {
            LOG.warn(scriptDirName + "/childPidFile" + 0 + " is null; Sleeping...");
            try {
                Thread.sleep(500);
            } catch (InterruptedException ie) {
                LOG.warn("sleep is interrupted:" + ie);
                break;
            }
            childPid = UtilsForTests.getPidFromPidFile(scriptDirName + "/childPidFile" + 0);
        }
    }
}

From source file:com.sinpo.xnfc.nfc.Util.java

/**
 * ??? Root??(ROOT??)/*w  ww . jav a2  s .c  om*/
 *
 * @return ?/??Root??
 */
public static boolean upgradeRootPermission(String pkgCodePath) {
    Process process = null;
    DataOutputStream os = null;
    try {
        String cmd = "chmod 777 " + pkgCodePath;
        process = Runtime.getRuntime().exec("su"); //?root??
        os = new DataOutputStream(process.getOutputStream());
        os.writeBytes(cmd + "\n");
        os.writeBytes("exit\n");
        os.flush();
        process.waitFor();
    } catch (Exception e) {
        return false;
    } finally {
        try {
            if (os != null) {
                os.close();
            }
            process.destroy();
        } catch (Exception e) {
        }
    }
    return true;
}

From source file:com.mopaas_mobile.http.BaseHttpRequester.java

public static String doPOST(String urlstr, List<BasicNameValuePair> params) throws IOException {
    String result = null;//from w ww  .j  a  va2  s .co m
    URL url = new URL(urlstr);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoOutput(true);
    connection.setDoInput(true);
    connection.setRequestMethod("POST");
    connection.setUseCaches(false);
    connection.setInstanceFollowRedirects(false);
    connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    //       connection.setRequestProperty("token",token);
    connection.setConnectTimeout(30000);
    connection.setReadTimeout(30000);
    connection.connect();

    DataOutputStream out = new DataOutputStream(connection.getOutputStream());

    String content = "";
    if (params != null && params.size() > 0) {
        for (int i = 0; i < params.size(); i++) {
            content = content + "&" + URLEncoder.encode(((NameValuePair) params.get(i)).getName(), "UTF-8")
                    + "=" + URLEncoder.encode(((NameValuePair) params.get(i)).getValue(), "UTF-8");
        }
        out.writeBytes(content.substring(1));
    }

    out.flush();
    out.close();
    InputStream is = connection.getInputStream();
    BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));

    StringBuffer b = new StringBuffer();
    int ch;
    while ((ch = br.read()) != -1) {
        b.append((char) ch);
    }
    result = b.toString().trim();
    connection.disconnect();
    return result;
}

From source file:eu.crowdrec.contest.sender.RequestSender.java

/**
 * Send a line from a logFile to an HTTP server (single-threaded).
 * // w w  w . j ava2 s  .  com
 * @param logline the line that should by sent
 * 
 * @param connection the connection to the http server, must not be null
 * 
 * @return the response or null (if an error has been detected)
 */
static private String excutePost(final String logline, final String serverURL) {

    // split the logLine into several token
    String[] token = logline.split("\t");

    String type = token[0];
    String property = token[3];
    String entity = token[4];

    // encode the content as URL parameters.
    String urlParameters = "";
    try {
        urlParameters = String.format("type=%s&properties=%s&entities=%s", URLEncoder.encode(type, "UTF-8"),
                URLEncoder.encode(property, "UTF-8"), URLEncoder.encode(entity, "UTF-8"));
    } catch (UnsupportedEncodingException e1) {
        logger.warn(e1.toString());
    }

    // initialize a HTTP connection to the server
    // reuse of connection objects is delegated to the JVM
    HttpURLConnection connection = null;

    try {
        final URL url = new URL(serverURL);
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        connection.setRequestProperty("Content-Language", "en-US");
        connection.setUseCaches(false);
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Length", "" + Integer.toString(urlParameters.getBytes().length));

        // Send request
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();

        // Get Response
        BufferedReader rd = null;
        InputStream is = null;
        try {
            is = connection.getInputStream();
            rd = new BufferedReader(new InputStreamReader(is));

            StringBuffer response = new StringBuffer();
            for (String line = rd.readLine(); line != null; line = rd.readLine()) {
                response.append(line);
                response.append(" ");
            }
            return response.toString();
        } catch (IOException e) {
            logger.warn("receivind response failed, ignored.");
        } finally {
            if (is != null) {
                is.close();
            }
            if (rd != null) {
                rd.close();
            }
        }
    } catch (MalformedURLException e) {
        System.err.println("invalid server URL, program stopped.");
        System.exit(-1);
    } catch (IOException e) {
        System.err.println("i/o error connecting the http server, program stopped. e=" + e);
        System.exit(-1);
    } catch (Exception e) {
        System.err.println("general error connecting the http server, program stopped. e:" + e);
        e.printStackTrace();
        System.exit(-1);
    } finally {
        // close the connection
        if (connection != null) {
            connection.disconnect();
        }
    }
    return null;
}

From source file:Main.java

public static String runCommand(String[] commands) {
    DataOutputStream outStream = null;
    DataInputStream responseStream;
    try {/*from  w  ww.j a  v a  2s .  c  om*/
        ArrayList<String> logs = new ArrayList<String>();
        Process process = Runtime.getRuntime().exec("su");
        Log.i(TAG, "Executed su");
        outStream = new DataOutputStream(process.getOutputStream());
        responseStream = new DataInputStream(process.getInputStream());

        for (String single : commands) {
            Log.i(TAG, "Command = " + single);
            outStream.writeBytes(single + "\n");
            outStream.flush();
            if (responseStream.available() > 0) {
                Log.i(TAG, "Reading response");
                logs.add(responseStream.readLine());
                Log.i(TAG, "Read response");
            } else {
                Log.i(TAG, "No response available");
            }
        }
        outStream.writeBytes("exit\n");
        outStream.flush();
        String log = "";
        for (int i = 0; i < logs.size(); i++) {
            log += logs.get(i) + "\n";
        }
        Log.i(TAG, "Execution compeleted");
        return log;
    } catch (IOException e) {
        Log.d(TAG, e.getMessage());
    }
    return null;
}

From source file:org.dcm4che3.tool.stowrs.StowRS.java

private static void writeBulkDataPart(MediaType mediaType, DataOutputStream wr, String uri,
        List<BulkData> chunks) throws IOException {
    wr.writeBytes("\r\n--" + MULTIPART_BOUNDARY + "\r\n");
    wr.writeBytes("Content-Type: " + toContentType(mediaType) + " \r\n");
    wr.writeBytes("Content-Location: " + uri + " \r\n");
    wr.writeBytes("\r\n");

    for (BulkData chunk : chunks) {
        writeBulkDataToStream(chunk, wr);
    }// w ww  .j  a  v a  2  s  .co  m
}

From source file:com.sinpo.xnfc.nfc.Util.java

public static String execRootCmd(String cmd) {
    String result = "";
    DataOutputStream dos = null;
    DataInputStream dis = null;//from   w  w  w  . j a v  a 2s .com

    try {
        Process p = Runtime.getRuntime().exec("su");
        dos = new DataOutputStream(p.getOutputStream());
        dis = new DataInputStream(p.getInputStream());

        dos.writeBytes(cmd + "\n");
        dos.flush();
        dos.writeBytes("exit\n");
        dos.flush();
        String line = null;
        while ((line = dis.readLine()) != null) {
            result += line + "\r\n";
        }
        p.waitFor();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (dos != null) {
            try {
                dos.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (dis != null) {
            try {
                dis.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return result;
}

From source file:com.flozano.socialauth.util.HttpUtil.java

public static void write(final DataOutputStream out, final String outStr) throws IOException {
    out.writeBytes(outStr);
    LOG.debug(outStr);//from  w  w w .j  av a  2s .c om
}