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:com.chiorichan.util.WebUtils.java

public static boolean sendTracking(String category, String action, String label) {
    String url = "http://www.google-analytics.com/collect";
    try {/*from w w  w.  ja v  a  2s.  com*/
        URL urlObj = new URL(url);
        HttpURLConnection con = (HttpURLConnection) urlObj.openConnection();
        con.setRequestMethod("POST");

        String urlParameters = "v=1&tid=UA-60405654-1&cid=" + Loader.getClientId() + "&t=event&ec=" + category
                + "&ea=" + action + "&el=" + label;

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

        int responseCode = con.getResponseCode();
        Loader.getLogger().fine("Analytics Response [" + category + "]: " + responseCode);

        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 true;
    } catch (IOException e) {
        return false;
    }
}

---

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

/**
 * Makes HTTP request using java.net.HTTPURLConnection and optional settings
 * for the connection//from   w  w w.  j  a v  a  2  s.  c  o m
 *
 * @param urlStr
 *            the URL String
 * @param requestMethod
 *            Method type
 * @param body
 *            Body to pass in request.
 * @param header
 *            Header parameters
 * @param connectionSettings
 *            The connection settings to apply
 * @return Response Object
 * @throws SocialAuthException
 */
public static Response doHttpRequest(final String urlStr, final String requestMethod, final String body,
        final Map<String, String> header, Optional<ConnectionSettings> connectionSettings)
        throws SocialAuthException {
    HttpURLConnection conn;
    try {

        URL url = new URL(urlStr);
        if (proxyObj != null) {
            conn = (HttpURLConnection) url.openConnection(proxyObj);
        } else {
            conn = (HttpURLConnection) url.openConnection();
        }

        connectionSettings.ifPresent(settings -> settings.apply(conn));

        if (MethodType.POST.toString().equalsIgnoreCase(requestMethod)
                || MethodType.PUT.toString().equalsIgnoreCase(requestMethod)) {
            conn.setDoOutput(true);
        }

        conn.setDoInput(true);

        conn.setInstanceFollowRedirects(true);
        if (timeoutValue > 0) {
            LOG.debug("Setting connection timeout : " + timeoutValue);
            conn.setConnectTimeout(timeoutValue);
        }
        if (requestMethod != null) {
            conn.setRequestMethod(requestMethod);
        }
        if (header != null) {
            for (String key : header.keySet()) {
                conn.setRequestProperty(key, header.get(key));
            }
        }

        // If use POST or PUT must use this
        OutputStream os = null;
        if (body != null) {
            if (requestMethod != null && !MethodType.GET.toString().equals(requestMethod)
                    && !MethodType.DELETE.toString().equals(requestMethod)) {
                os = conn.getOutputStream();
                DataOutputStream out = new DataOutputStream(os);
                out.write(body.getBytes("UTF-8"));
                out.flush();
            }
        }
        conn.connect();
    } catch (Exception e) {
        throw new SocialAuthException(e);
    }
    return new Response(conn);

}

---

From source file:Main.java

public static String upLoad(File file, String RequestURL) {
    String BOUNDER = UUID.randomUUID().toString();
    String PREFIX = "--";
    String END = "/r/n";

    try {//from   ww  w.j  a v a  2s  .c o  m
        URL url = new URL(RequestURL);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setReadTimeout(TIME_OUT);
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setUseCaches(false);
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Charset", CHARSET);
        connection.setRequestProperty("Connection", "Keep-Alive");
        connection.setRequestProperty("Cotent-Type", CONTENT_TYPE + ";boundary=" + BOUNDER);

        if (file != null) {
            OutputStream outputStream = connection.getOutputStream();

            DataOutputStream dataOutputStream = new DataOutputStream(outputStream);
            StringBuffer sb = new StringBuffer();
            sb.append(PREFIX);
            sb.append(BOUNDER + END);
            dataOutputStream.write(sb.toString().getBytes());
            InputStream in = new FileInputStream(file);
            byte[] b = new byte[1024];
            int l = 0;
            while ((l = in.read()) != -1) {
                outputStream.write(b, 0, l);
            }
            in.close();
            dataOutputStream.write(END.getBytes());
            dataOutputStream.write((PREFIX + BOUNDER + PREFIX + END).getBytes());
            dataOutputStream.flush();

            int i = connection.getResponseCode();
            if (i == 200) {
                return SUCCESS;
            }
        }

    } catch (IOException e) {
        e.printStackTrace();
    }
    return FALIURE;

}

---

From source file:com.doctoror.surprise.SurpriseService.java

private static Result execute(final List<String> commands, final boolean surpriseBinary) {
    final Result result = new Result();
    Process process = null;// ww w  .j  a  v  a 2  s.c  o  m
    DataOutputStream os = null;
    BufferedReader is = null;
    try {
        process = new ProcessBuilder().command(surpriseBinary ? COMMAND_SURPRISE : COMMAND_SU)
                .redirectErrorStream(true).start();
        os = new DataOutputStream(process.getOutputStream());
        is = new BufferedReader(new InputStreamReader(process.getInputStream()));
        for (final String command : commands) {
            os.writeBytes(command + "\n");
        }
        os.flush();

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

        final StringBuilder output = new StringBuilder();
        String line;
        try {
            while ((line = is.readLine()) != null) {
                if (output.length() != 0) {
                    output.append('\n');
                }
                output.append(line);
            }
        } catch (EOFException ignored) {
        }

        result.output = output.toString();
        result.exitCode = process.waitFor();
    } catch (Exception e) {
        e.printStackTrace();
        result.exitCode = -666;
        result.output = e.getMessage();
    } finally {
        if (os != null) {
            try {
                os.close();
            } catch (Exception ignored) {
            }
        }
        if (is != null) {
            try {
                is.close();
            } catch (Exception ignored) {
            }
        }
        if (process != null) {
            try {
                process.destroy();
            } catch (Exception ignored) {
            }
        }
    }
    return result;
}

---

From source file:io.hops.metadata.HdfsVariables.java

private static ByteArrayVariable serializeBlockKey(BlockKey key, Variable.Finder keyType) throws IOException {
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    DataOutputStream dos = new DataOutputStream(os);
    key.write(dos);/*from   ww  w.  j av a 2  s  . com*/
    dos.flush();
    return new ByteArrayVariable(keyType, os.toByteArray());
}

---

From source file:Main.java

public static String runAsRoot(String[] cmds) throws Exception {
    Process p = Runtime.getRuntime().exec("su");
    DataOutputStream os = new DataOutputStream(p.getOutputStream());
    InputStream is = p.getInputStream();
    String result = null;//from w w w.  j  a v a  2  s .  c o m
    for (String tmpCmd : cmds) {
        os.writeBytes(tmpCmd + "\n");
        int readed = 0;
        byte[] buff = new byte[4096];
        while (is.available() <= 0) {
            try {
                Thread.sleep(5000);
            } catch (Exception ex) {
            }
        }

        while (is.available() > 0) {
            readed = is.read(buff);
            if (readed <= 0)
                break;
            String seg = new String(buff, 0, readed);
            result = seg; //result is a string to show in textview
        }
    }
    os.writeBytes("exit\n");
    os.flush();
    return result;
}

---

From source file:com.fota.Link.sdpApi.java

public static String getCtnInfo(String ncn) throws JDOMException {
    String resultStr = "";
    String logData = "";
    try {/*from   ww  w  . ja  v  a  2  s .c  o m*/
        String cpId = PropUtil.getPropValue("sdp3g.id");
        String cpPw = PropUtil.getPropValue("sdp3g.pw");
        String authorization = cpId + ":" + cpPw;
        logData = "\r\n---------- Get Ctn Req Info start ----------\r\n";
        logData += " getCtnRequestInfo - authorization : " + authorization;
        byte[] encoded = Base64.encodeBase64(authorization.getBytes());
        authorization = new String(encoded);

        String contractType = "0";
        String contractNum = ncn.substring(0, 9);
        String customerId = ncn.substring(10, ncn.length() - 1);

        JSONObject reqJObj = new JSONObject();
        reqJObj.put("transactionid", "");
        reqJObj.put("sequenceno", "");
        reqJObj.put("userid", "");
        reqJObj.put("screenid", "");
        reqJObj.put("CONTRACT_NUM", contractNum);
        reqJObj.put("CUSTOMER_ID", customerId);
        reqJObj.put("CONTRACT_TYPE", contractType);

        authorization = "Basic " + authorization;

        String endPointUrl = PropUtil.getPropValue("sdp.oif555.url");

        logData += "\r\n getCtnRequestInfo - endPointUrl : " + endPointUrl;
        logData += "\r\n getCtnRequestInfo - authorization(encode) : " + authorization;
        logData += "\r\n getCtnRequestInfo - Content-type : application/json";
        logData += "\r\n getCtnRequestInfo - RequestMethod : POST";
        logData += "\r\n getCtnRequestInfo - json : " + reqJObj.toString();
        logData += "\r\n---------- Get Ctn Req Info end ----------";

        logger.info(logData);

        // connection
        URL url = new URL(endPointUrl);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();

        connection.setRequestProperty("Authorization", authorization);
        connection.setRequestProperty("Content-type", "application/json");

        connection.setRequestMethod("POST");
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.connect();

        // output
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(reqJObj.toJSONString());
        wr.flush();
        wr.close();

        // input
        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String inputLine = "";
        StringBuffer response = new StringBuffer();

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

        in.close();

        JSONParser jsonParser = new JSONParser();
        JSONObject respJsonObject = (JSONObject) jsonParser.parse(response.toString());

        //         String respTransactionId = (String) respJsonObject.get("transactionid");
        //         String respSequenceNo = (String) respJsonObject.get("sequenceno");
        //         String respReturnCode = (String) respJsonObject.get("returncode");
        //         String respReturnDescription = (String) respJsonObject.get("returndescription");
        //         String respErrorCode = (String) respJsonObject.get("errorcode");
        //         String respErrorDescription = (String) respJsonObject.get("errordescription");
        String respCtn = (String) respJsonObject.get("ctn");
        //         String respSubStatus = (String) respJsonObject.get("sub_status");
        //         String respSubStatusDate = (String) respJsonObject.get("sub_status_date");

        resultStr = respCtn;

        //resultStr = resValue;         
        //         resultStr = java.net.URLDecoder.decode(resultStr, "euc-kr");
        connection.disconnect();

    } catch (Exception e) {
        e.printStackTrace();
    }

    return resultStr;
}

---

From source file:com.bcmcgroup.flare.client.ClientUtil.java

/**
 * Sends an HTTPS POST request and returns the response
 *
 * @param conn    the HTTPS connection object
 * @param payload the payload for the POST request
 * @return the response from the remote server
 *
 *//*w  ww  . j a v  a 2  s . co m*/
public static int sendPost(HttpsURLConnection conn, String payload) {
    OutputStream outputStream = null;
    DataOutputStream wr = null;
    InputStream is = null;
    int response = 0;
    logger.debug("Attempting HTTPS POST...");
    try {
        outputStream = conn.getOutputStream();
        wr = new DataOutputStream(outputStream);
        wr.write(payload.getBytes("UTF-8"));
        wr.flush();
        is = conn.getInputStream();
        response = conn.getResponseCode();
    } catch (IOException e) {
        logger.debug("IOException when attempting to send a post message. ");
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                logger.debug("IOException when attempting to close an input stream. ");
            }
        }
        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (IOException e) {
                logger.debug("IOException when attempting to close an output stream. ");
            }
        }
        if (wr != null) {
            try {
                wr.close();
            } catch (IOException e) {
                logger.debug("IOException when attempting to close a data output stream. ");
            }
        }
    }
    logger.debug("HTTPS POST Response: " + response);
    return response;
}

---

From source file:com.bcmcgroup.flare.client.ClientUtil.java

/**
 * Sends an HTTPS POST request and returns the response in String format
 *
 * @param conn    the HTTPS connection object
 * @param payload the payload for the POST request
 * @return the response from the remote server in String format
 *
 *//*from w  w  w .j  ava2  s .  com*/
public static String sendPostGetStringResponse(HttpsURLConnection conn, String payload) {
    OutputStream outputStream = null;
    DataOutputStream wr = null;
    InputStream is = null;
    String response = "";
    logger.debug("Attempting HTTPS POST");
    try {
        outputStream = conn.getOutputStream();
        wr = new DataOutputStream(outputStream);
        wr.write(payload.getBytes("UTF-8"));
        wr.flush();
        is = conn.getInputStream();
        response = IOUtils.toString(is, "UTF-8");
    } catch (IOException e) {
        logger.debug("IOException when attempting to send a post message. ");
    } finally {
        if (is != null) {
            try {
                is.close();
            } catch (IOException e) {
                logger.debug("IOException when attempting to close an input stream. ");
            }
        }
        if (outputStream != null) {
            try {
                outputStream.close();
            } catch (IOException e) {
                logger.debug("IOException when attempting to close an output stream. ");
            }
        }
        if (wr != null) {
            try {
                wr.close();
            } catch (IOException e) {
                logger.debug("IOException when attempting to close a data output stream. ");
            }
        }
    }
    return response;
}

---

From source file:de.ub0r.android.wifibarcode.WifiBarcodeActivity.java

/**
 * Run command as root./*www . j  av a  2  s.com*/
 *
 * @param command command
 * @return true, if command was successfully executed
 */
private static boolean runAsRoot(final String command) {
    Log.i(TAG, "running command as root: ", command);
    try {
        Runtime r = Runtime.getRuntime();
        Process p = r.exec("su");
        DataOutputStream d = new DataOutputStream(p.getOutputStream());
        d.writeBytes(command);
        d.writeBytes("\nexit\n");
        d.flush();
        int retval = p.waitFor();
        Log.i(TAG, "done");
        return (retval == 0);
    } catch (Exception e) {
        Log.e(TAG, "runAsRoot", e);
        return false;
    }
}

---

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