Example usage for java.io DataOutputStream flush

Introduction

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

Prototype

public void flush() throws IOException

Source Link

Document

Flushes this data output stream.

Usage

From source file:bakuposter.gcm.server.POST2GCMessage.java

public static void post(String apiKey, Content content) {

    try {//from  w ww  . j  a  va2  s  .  c  o m
        URL url = new URL("https://android.googleapis.com/gcm/send");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestProperty("Authorization", "key=" + apiKey);
        conn.setDoOutput(true);
        ObjectMapper mapper = new ObjectMapper();
        System.out.println(content.getRegistration_ids().get(0));
        DataOutputStream wr = new DataOutputStream(conn.getOutputStream());
        mapper.writeValue(wr, content);
        wr.flush();
        wr.close();
        int responseCode = conn.getResponseCode();
        System.out.println("responseCode = " + responseCode);
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static void RunRootCmd(String cmd) {
    try {// w w  w .ja v  a  2 s.  c  om
        //
        // run our command using 'su' to gain root
        //
        Process process = Runtime.getRuntime().exec("su");
        DataOutputStream outputStream = new DataOutputStream(process.getOutputStream());

        outputStream.writeBytes(cmd + "\n");
        outputStream.flush();

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

From source file:Main.java

public static String stringFromHttpPost(String urlStr, String body) {
    HttpURLConnection conn;//from w  ww .j  a va2 s.  c  o m
    try {
        URL e = new URL(urlStr);
        conn = (HttpURLConnection) e.openConnection();
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setInstanceFollowRedirects(true);
        conn.setRequestMethod("POST");
        OutputStream os1 = conn.getOutputStream();
        DataOutputStream out1 = new DataOutputStream(os1);
        out1.write(body.getBytes("UTF-8"));
        out1.flush();
        conn.connect();
        String line;
        BufferedReader reader;
        StringBuffer sb = new StringBuffer();
        if ("gzip".equals(conn.getHeaderField("Content-Encoding"))) {
            reader = new BufferedReader(
                    new InputStreamReader(new GZIPInputStream(conn.getInputStream()), "UTF-8"));
        } else {
            reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
        }
        while ((line = reader.readLine()) != null) {
            sb.append(line);
        }
        return sb.toString();
    } catch (Exception e) {
        e.printStackTrace();
        logError(e.getMessage());
    }
    return null;
}

From source file:Main.java

public static boolean executeAsRoot(String command) {
    try {//from   ww  w  .ja v  a 2  s . c  o  m

        Process suProcess = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(suProcess.getOutputStream());

        os.writeBytes(command + "\n");
        os.flush();
        Log.d("ROOT", command);

        os.writeBytes("exit\n");
        os.flush();

        try {
            int suProcessRet = suProcess.waitFor();
            if (255 != suProcessRet)
                return true;
            else
                return false;
        } catch (Exception ex) {
            Log.w("ROOT-ERROR", ex);
        }
    } catch (IOException ex) {
        Log.w("ROOT", "Can't get root access", ex);
    } catch (SecurityException ex) {
        Log.w("ROOT", "Can't get root access", ex);
    } catch (Exception ex) {
        Log.w("ROOT", "Error executing internal operation", ex);
    }
    return false;
}

From source file:editor.util.URLUtil.java

public static String sendPost(String url, String data) throws Exception {

    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

    //add reuqest header
    con.setRequestMethod("POST");

    // Send post request
    con.setDoOutput(true);/*from   ww w  .j a  va2s .co  m*/
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(data);
    wr.flush();
    wr.close();

    int responseCode = con.getResponseCode();

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    String inputLine;
    StringBuffer response = new StringBuffer();

    while ((inputLine = in.readLine()) != null) {
        response.append(inputLine);
    }
    in.close();
    return response.toString();
}

From source file:Main.java

public static String executePost(String url, String parameters) throws IOException {

    URL request = new URL(url);
    HttpURLConnection connection = (HttpURLConnection) request.openConnection();
    connection.setDoOutput(true);/*from   w  ww .  java2  s .c o m*/
    connection.setDoInput(true);
    connection.setInstanceFollowRedirects(false);
    connection.setRequestMethod("POST");
    connection.setRequestProperty("User-Agent", "StripeConnectAndroid");
    connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    connection.setRequestProperty("charset", "utf-8");
    connection.setRequestProperty("Content-Length", "" + Integer.toString(parameters.getBytes().length));
    connection.setUseCaches(false);

    DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
    wr.writeBytes(parameters);
    wr.flush();
    wr.close();

    String response = streamToString(connection.getInputStream());
    connection.disconnect();
    return response;

}

From source file:Main.java

private static HttpURLConnection defineHttpsURLConnection(HttpURLConnection connection, JSONObject jsonObject) {
    try {/*from ww  w  .  j a va 2 s  . c  om*/
        connection.setUseCaches(false);
        connection.setDoInput(true);
        connection.setDoOutput(true);

        /* Add headers to the request */
        connection.setRequestProperty("Content-Type", "application/json;charset=utf-8");

        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.write(jsonObject.toString().getBytes(Charset.forName("UTF-8")));
        wr.flush();
        wr.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return connection;
}

From source file:Main.java

public static List<String> execAsAdmin(String... commands) throws Exception {
    List<String> res = new ArrayList<String>();

    Process process = Runtime.getRuntime().exec("su");
    DataOutputStream os = new DataOutputStream(process.getOutputStream());
    for (String single : commands) {
        os.writeBytes(single + "\n");
        os.flush();
        //res.add(osRes.readLine());
    }/*w w w.j  a v a 2s.  co  m*/
    os.writeBytes("exit\n");
    os.flush();
    //process.destroy();
    process.waitFor();

    return res;
}

From source file:Main.java

/**
 * Run command as root.//from   ww w. ja v a  2  s .co  m
 * 
 * @param command
 * @return true, if command was successfully executed
 */
private static boolean runAsRoot(final String command) {
    try {

        Process pro = Runtime.getRuntime().exec("su");
        DataOutputStream outStr = new DataOutputStream(pro.getOutputStream());

        outStr.writeBytes(command);
        outStr.writeBytes("\nexit\n");
        outStr.flush();

        int retval = pro.waitFor();

        return (retval == 0);

    } catch (Exception e) {

        return false;

    }
}

From source file:Main.java

public static void runAsRoot(String[] commands) throws IOException, InterruptedException {
    Process p = Runtime.getRuntime().exec("su");
    DataOutputStream os = new DataOutputStream(p.getOutputStream());
    for (String cmd : commands) {
        os.writeBytes(cmd + "\n");
    }/*  w w w  . j  a va2  s  .c  o m*/
    os.writeBytes("exit\n");
    os.flush();
    os.close();
    p.waitFor();
}