Example usage for java.net URLConnection setDoOutput

List of usage examples for java.net URLConnection setDoOutput

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Introduction

In this page you can find the example usage for java.net URLConnection setDoOutput.

Prototype

public void setDoOutput(boolean dooutput)

Source Link

Document

Sets the value of the doOutput field for this URLConnection to the specified value.

Usage

From source file:org.motechproject.mmnaija.web.util.HTTPCommunicator.java

public static String doPost(String serviceUrl, String queryString) {
    URLConnection connection = null;
    try {// ww  w  .java 2 s. c o m

        URL url = new URL(serviceUrl);
        URI uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(), url.getPort(), url.getPath(),
                url.getQuery(), url.getRef());
        url = uri.toURL();
        // Open the connection
        connection = url.openConnection();
        connection.setDoInput(true);
        connection.setUseCaches(false); // Disable caching the document
        connection.setDoOutput(true); // Triggers POST.
        connection.setRequestProperty("Content-Type", "text/html");

        OutputStreamWriter writer = null;

        log.info("About to write");
        try {
            if (null != connection.getOutputStream()) {
                writer = new OutputStreamWriter(connection.getOutputStream());
                writer.write(queryString); // Write POST query

            } else {
                log.warn("connection Null");
            }
            // string.
        } catch (ConnectException ex) {
            log.warn("Exception : " + ex);
            // ex.printStackTrace();
        } finally {
            if (writer != null) {
                try {
                    writer.close();
                } catch (Exception lg) {
                    log.warn("Exception lg: " + lg.toString());
                    //lg.printStackTrace();
                }
            }
        }

        InputStream in = connection.getInputStream();

        //            StringWriter writer = new StringWriter();
        IOUtils.copy(in, writer, "utf-8");
        String theString = writer.toString();
        return theString;
    } catch (Exception e) {
        //e.printStackTrace();
        log.warn("Error URL " + e.toString());
        return "";
    }
}

From source file:com.jiubang.core.util.HttpUtils.java

/**
 * Send an HTTP(s) request with POST parameters.
 * /*from  w  w w.  ja  va2  s.  c  om*/
 * @param parameters
 * @param url
 * @throws UnsupportedEncodingException
 * @throws IOException
 * @throws KeyManagementException
 * @throws NoSuchAlgorithmException
 */
static void doPost(Map<?, ?> parameters, URL url)
        throws UnsupportedEncodingException, IOException, KeyManagementException, NoSuchAlgorithmException {

    URLConnection cnx = getConnection(url);

    // Construct data
    StringBuilder dataBfr = new StringBuilder();
    Iterator<?> iKeys = parameters.keySet().iterator();
    while (iKeys.hasNext()) {
        if (dataBfr.length() != 0) {
            dataBfr.append('&');
        }
        String key = (String) iKeys.next();
        dataBfr.append(URLEncoder.encode(key, "UTF-8")).append('=')
                .append(URLEncoder.encode((String) parameters.get(key), "UTF-8"));
    }
    // POST data
    cnx.setDoOutput(true);

    OutputStreamWriter wr = new OutputStreamWriter(cnx.getOutputStream());
    Loger.d(LOG_TAG, "Posting crash report data");
    wr.write(dataBfr.toString());
    wr.flush();
    wr.close();

    Loger.d(LOG_TAG, "Reading response");
    BufferedReader rd = new BufferedReader(new InputStreamReader(cnx.getInputStream()));

    String line;
    while ((line = rd.readLine()) != null) {
        Loger.d(LOG_TAG, line);
    }
    rd.close();
}

From source file:org.acra.HttpUtils.java

/**
 * Send an HTTP(s) request with POST parameters.
 * //from w  ww.java 2 s.c  o m
 * @param parameters
 * @param url
 * @throws UnsupportedEncodingException
 * @throws IOException
 * @throws KeyManagementException
 * @throws NoSuchAlgorithmException
 */
static void doPost(Map<?, ?> parameters, URL url)
        throws UnsupportedEncodingException, IOException, KeyManagementException, NoSuchAlgorithmException {

    URLConnection cnx = getConnection(url);

    // Construct data
    StringBuilder dataBfr = new StringBuilder();
    Iterator<?> iKeys = parameters.keySet().iterator();
    while (iKeys.hasNext()) {
        if (dataBfr.length() != 0) {
            dataBfr.append('&');
        }
        String key = (String) iKeys.next();
        dataBfr.append(URLEncoder.encode(key, "UTF-8")).append('=')
                .append(URLEncoder.encode((String) parameters.get(key), "UTF-8"));
    }
    // POST data
    cnx.setDoOutput(true);

    OutputStreamWriter wr = new OutputStreamWriter(cnx.getOutputStream());
    Log.d(LOG_TAG, "Posting crash report data");
    wr.write(dataBfr.toString());
    wr.flush();
    wr.close();

    Log.d(LOG_TAG, "Reading response");
    BufferedReader rd = new BufferedReader(new InputStreamReader(cnx.getInputStream()));

    String line;
    while ((line = rd.readLine()) != null) {
        Log.d(LOG_TAG, line);
    }
    rd.close();
}

From source file:com.wareninja.opensource.common.wsrequest.HttpUtils.java

/**
 * Send an HTTP(s) request with POST parameters.
 * /*  ww  w .  java  2 s. c om*/
 * @param parameters
 * @param url
 * @throws UnsupportedEncodingException
 * @throws IOException
 * @throws KeyManagementException
 * @throws NoSuchAlgorithmException
 */
public static void doPost(Map<?, ?> parameters, URL url)
        throws UnsupportedEncodingException, IOException, KeyManagementException, NoSuchAlgorithmException {

    URLConnection cnx = getConnection(url);

    // Construct data
    StringBuilder dataBfr = new StringBuilder();
    Iterator<?> iKeys = parameters.keySet().iterator();
    while (iKeys.hasNext()) {
        if (dataBfr.length() != 0) {
            dataBfr.append('&');
        }
        String key = (String) iKeys.next();
        dataBfr.append(URLEncoder.encode(key, "UTF-8")).append('=')
                .append(URLEncoder.encode((String) parameters.get(key), "UTF-8"));
    }
    // POST data
    cnx.setDoOutput(true);

    OutputStreamWriter wr = new OutputStreamWriter(cnx.getOutputStream());
    if (LOGGING.DEBUG)
        Log.d(LOG_TAG, "Posting crash report data");
    wr.write(dataBfr.toString());
    wr.flush();
    wr.close();

    if (LOGGING.DEBUG)
        Log.d(LOG_TAG, "Reading response");
    BufferedReader rd = new BufferedReader(new InputStreamReader(cnx.getInputStream()));

    String line;
    int linecount = 0;
    while ((line = rd.readLine()) != null) {
        linecount++;
        if (linecount <= 2) {
            if (LOGGING.DEBUG)
                Log.d(LOG_TAG, line);
        }
    }
    rd.close();
}

From source file:com.beyondb.geocoding.BaiduAPI.java

public static Map<String, String> testPost(String x, String y) throws IOException {
    URL url = new URL("http://api.map.baidu.com/geocoder?" + ak + "="
            + "&callback=renderReverse&location=" + x + "," + y + "&output=json");
    URLConnection connection = url.openConnection();
    /**/*from  w w  w  .j  a  va 2s.com*/
     * ??URLConnection?Web
     * URLConnection???Web???
     */
    connection.setDoOutput(true);
    OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "utf-8");
    //        remember to clean up
    out.flush();
    out.close();
    //        ?????
    String res;
    InputStream l_urlStream;
    l_urlStream = connection.getInputStream();
    BufferedReader in = new BufferedReader(new InputStreamReader(l_urlStream, "UTF-8"));
    StringBuilder sb = new StringBuilder("");
    while ((res = in.readLine()) != null) {
        sb.append(res.trim());
    }
    String str = sb.toString();
    System.out.println(str);
    Map<String, String> map = null;
    if (StringUtils.isNotEmpty(str)) {
        int addStart = str.indexOf("formatted_address\":");
        int addEnd = str.indexOf("\",\"business");
        if (addStart > 0 && addEnd > 0) {
            String address = str.substring(addStart + 20, addEnd);
            map = new HashMap<String, String>();
            map.put("address", address);
            return map;
        }
    }

    return null;

}

From source file:com.roadwarrior.vtiger.client.NetworkUtilities.java

/**
 * Connects to the  server, authenticates the provided username and
 * password.//www .  j  av  a2  s  .  co  m
 * 
 * @param username The user's username
 * @param password The user's password
 * @return String The authentication token returned by the server (or null)
 */
public static String authenticate(String username, String accessKey, String base_url) {
    String token = null;
    String hash = null;
    authenticate_log_text = "authenticate()\n";
    AUTH_URI = base_url + "/webservice.php";
    authenticate_log_text = authenticate_log_text + "url: " + AUTH_URI + "?operation=getchallenge&username="
            + username + "\n";

    Log.d(TAG, "AUTH_URI : ");
    Log.d(TAG, AUTH_URI + "?operation=getchallenge&username=" + username);
    // =========== get challenge token ==============================
    ArrayList<NameValuePair> params = new ArrayList<NameValuePair>();
    try {

        URL url;

        // HTTP GET REQUEST
        url = new URL(AUTH_URI + "?operation=getchallenge&username=" + username);
        HttpURLConnection con;
        con = (HttpURLConnection) url.openConnection();
        con.setRequestMethod("GET");
        con.setRequestProperty("Content-length", "0");
        con.setUseCaches(false);
        // for some site that redirects based on user agent
        con.setInstanceFollowRedirects(true);
        con.setRequestProperty("User-Agent",
                "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.15) Gecko/2009101600 Firefox/3.0.15");
        con.setAllowUserInteraction(false);
        int timeout = 20000;
        con.setConnectTimeout(timeout);
        con.setReadTimeout(timeout);
        con.connect();
        int status = con.getResponseCode();

        authenticate_log_text = authenticate_log_text + "Request status = " + status + "\n";
        switch (status) {
        case 200:
        case 201:
        case 302:
            BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream()));
            StringBuilder sb = new StringBuilder();
            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line + "\n");
            }
            br.close();
            Log.d(TAG, "message body");
            Log.d(TAG, sb.toString());

            authenticate_log_text = authenticate_log_text + "body : " + sb.toString();
            if (status == 302) {
                authenticate_log_text = sb.toString();
                return null;
            }

            JSONObject result = new JSONObject(sb.toString());
            Log.d(TAG, result.getString("result"));
            JSONObject data = new JSONObject(result.getString("result"));
            token = data.getString("token");
            break;
        case 401:
            Log.e(TAG, "Server auth error: ");// + readResponse(con.getErrorStream()));
            authenticate_log_text = authenticate_log_text + "Server auth error";
            return null;
        default:
            Log.e(TAG, "connection status code " + status);// + readResponse(con.getErrorStream()));
            authenticate_log_text = authenticate_log_text + "connection status code :" + status;
            return null;
        }

    } catch (ClientProtocolException e) {
        Log.i(TAG, "getchallenge:http protocol error");
        Log.e(TAG, e.getMessage());
        authenticate_log_text = authenticate_log_text + "ClientProtocolException :" + e.getMessage() + "\n";
        return null;
    } catch (IOException e) {
        Log.e(TAG, "getchallenge: IO Exception");
        Log.e(TAG, e.getMessage());
        Log.e(TAG, AUTH_URI + "?operation=getchallenge&username=" + username);
        authenticate_log_text = authenticate_log_text + "getchallenge: IO Exception : " + e.getMessage() + "\n";
        return null;

    } catch (JSONException e) {
        Log.i(TAG, "json exception");
        authenticate_log_text = authenticate_log_text + "JSon exception\n";

        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }

    // ================= login ==================

    try {
        MessageDigest m = MessageDigest.getInstance("MD5");
        m.update(token.getBytes());
        m.update(accessKey.getBytes());
        hash = new BigInteger(1, m.digest()).toString(16);
        Log.i(TAG, "hash");
        Log.i(TAG, hash);
    } catch (NoSuchAlgorithmException e) {
        authenticate_log_text = authenticate_log_text + "MD5 => no such algorithm\n";
        e.printStackTrace();
    }

    try {
        String charset;
        charset = "utf-8";
        String query = String.format("operation=login&username=%s&accessKey=%s",
                URLEncoder.encode(username, charset), URLEncoder.encode(hash, charset));
        authenticate_log_text = authenticate_log_text + "login()\n";
        URLConnection connection = new URL(AUTH_URI).openConnection();
        connection.setDoOutput(true); // Triggers POST.
        int timeout = 20000;
        connection.setConnectTimeout(timeout);
        connection.setReadTimeout(timeout);
        connection.setAllowUserInteraction(false);
        connection.setRequestProperty("Accept-Charset", charset);
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=" + charset);
        connection.setUseCaches(false);

        OutputStream output = connection.getOutputStream();
        try {
            output.write(query.getBytes(charset));
        } finally {
            try {
                output.close();
            } catch (IOException logOrIgnore) {

            }
        }
        Log.d(TAG, "Query written");
        BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = br.readLine()) != null) {
            sb.append(line + "\n");
        }
        br.close();
        Log.d(TAG, "message post body");
        Log.d(TAG, sb.toString());
        authenticate_log_text = authenticate_log_text + "post message body :" + sb.toString() + "\n";
        JSONObject result = new JSONObject(sb.toString());

        String success = result.getString("success");
        Log.i(TAG, success);

        if (success == "true") {
            Log.i(TAG, result.getString("result"));
            Log.i(TAG, "sucesssfully logged  in is");
            JSONObject data = new JSONObject(result.getString("result"));
            sessionName = data.getString("sessionName");

            Log.i(TAG, sessionName);
            authenticate_log_text = authenticate_log_text + "successfully logged in\n";
            return token;
        } else {
            // success is false, retrieve error
            JSONObject data = new JSONObject(result.getString("error"));
            authenticate_log_text = "can not login :\n" + data.toString();

            return null;
        }
        //token = data.getString("token");
        //Log.i(TAG,token);
    } catch (ClientProtocolException e) {
        Log.d(TAG, "login: http protocol error");
        Log.d(TAG, e.getMessage());
        authenticate_log_text = authenticate_log_text + "HTTP Protocol error \n";
        authenticate_log_text = authenticate_log_text + e.getMessage() + "\n";
    } catch (IOException e) {
        Log.d(TAG, "login: IO Exception");
        Log.d(TAG, e.getMessage());

        authenticate_log_text = authenticate_log_text + "login: IO Exception \n";
        authenticate_log_text = authenticate_log_text + e.getMessage() + "\n";

    } catch (JSONException e) {
        Log.d(TAG, "JSON exception");
        // TODO Auto-generated catch block
        authenticate_log_text = authenticate_log_text + "JSON exception ";
        authenticate_log_text = authenticate_log_text + e.getMessage();
        e.printStackTrace();
    }
    return null;
    // ========================================================================

}

From source file:com.beyondb.geocoding.BaiduAPI.java

public static String getPointByAddress(String address, String city) throws IOException {
    String resultPoint = "";
    try {/*from w w  w.  j a  v  a2s. c o m*/
        URL url = new URL("http://api.map.baidu.com/geocoder/v2/?ak=" + ak + "&output=xml&address=" + address
                + "&" + city);

        URLConnection connection = url.openConnection();
        /**
         * ??URLConnection?Web
         * URLConnection???Web???
         */
        connection.setDoOutput(true);
        OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "utf-8");
        //        remember to clean up
        out.flush();
        out.close();
        //        ?????

        String res;
        InputStream l_urlStream;
        l_urlStream = connection.getInputStream();
        if (l_urlStream != null) {
            BufferedReader in = new BufferedReader(new InputStreamReader(l_urlStream, "UTF-8"));
            StringBuilder sb = new StringBuilder("");
            while ((res = in.readLine()) != null) {
                sb.append(res.trim());
            }
            String str = sb.toString();
            System.out.println(str);
            Document doc = DocumentHelper.parseText(str); // XML
            Element rootElt = doc.getRootElement(); // ?
            //            System.out.println("" + rootElt.getName()); // ??
            Element resultElem = rootElt.element("result");
            if (resultElem.hasContent()) {
                Element locationElem = resultElem.element("location");
                Element latElem = locationElem.element("lat");
                //            System.out.print("lat:"+latElem.getTextTrim()+",");
                Element lngElem = locationElem.element("lng");
                //            System.out.println("lng:"+lngElem.getTextTrim());
                resultPoint = lngElem.getTextTrim() + "," + latElem.getTextTrim();
            } else {
                System.out.println("can't compute the coor");
                resultPoint = " , ";
            }
        } else {
            resultPoint = " , ";
        }

    } catch (DocumentException ex) {
        Logger.getLogger(BaiduAPI.class.getName()).log(Level.SEVERE, null, ex);
    }
    return resultPoint;
}

From source file:tkwatch.Utilities.java

/**
 * Issues a TradeKing API request. Adapted from the <i>TradeKing API
 * Reference Guide</i>, 03.25.2011, p. 51.
 * /*from ww w .j a v  a 2  s  .c om*/
 * @param resourceUrl
 *            The URL to which API requests must be made.
 * @param body
 *            The body of the API request.
 * @param appKey
 *            The user's application key.
 * @param userKey
 *            The user's key.
 * @param userSecret
 *            The user's secret key.
 * @return Returns the result of the API request.
 */
public static final String tradeKingRequest(final String resourceUrl, final String body, final String appKey,
        final String userKey, final String userSecret) {
    String response = new String();
    try {
        String timestamp = String.valueOf(Calendar.getInstance().getTimeInMillis());
        String request_data = body + timestamp;
        String signature = generateSignature(request_data, userSecret);
        URL url = new URL(resourceUrl);
        URLConnection conn = url.openConnection();
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setRequestProperty("Content-Type", "application/xml");
        conn.setRequestProperty("Accept", "application/xml");
        conn.setRequestProperty("TKI_TIMESTAMP", timestamp);
        conn.setRequestProperty("TKI_SIGNATURE", signature);
        conn.setRequestProperty("TKI_USERKEY", userKey);
        conn.setRequestProperty("TKI_APPKEY", appKey);
        DataOutputStream out = new DataOutputStream(conn.getOutputStream());
        out.writeBytes(body);
        out.flush();
        out.close();
        BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String temp;
        while ((temp = in.readLine()) != null) {
            response += temp + "\n";
        }
        in.close();
        return response;
    } catch (java.security.SignatureException e) {
        errorMessage(e.getMessage());
        return "";
    } catch (java.io.IOException e) {
        errorMessage(e.getMessage());
        return "";
    }
}

From source file:org.intermine.api.mines.FriendlyMineQueryRunner.java

/**
 * Run a query via the web service//from   w  ww.jav a  2  s . c o m
 *
 * @param urlString url to query
 * @return reader
 */
public static BufferedReader runWebServiceQuery(String urlString) {
    if (StringUtils.isEmpty(urlString)) {
        return null;
    }
    BufferedReader reader = null;
    try {
        if (!urlString.contains("?")) {
            // GET
            URL url = new URL(urlString);
            URLConnection conn = url.openConnection();
            conn.setConnectTimeout(CONNECT_TIMEOUT);
            reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            LOG.info("FriendlyMine URL (GET) " + urlString);
        } else {
            // POST
            String[] params = urlString.split("\\?");
            String newUrlString = params[0];
            String queryString = params[1];
            URL url = new URL(newUrlString);
            URLConnection conn = url.openConnection();
            conn.setDoOutput(true);
            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
            wr.write(queryString);
            wr.flush();
            reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            LOG.info("FriendlyMine URL (POST) " + urlString);
        }
        return reader;
    } catch (Exception e) {
        LOG.info("Unable to access " + urlString + " exception: " + e.getMessage());
        return null;
    }
}

From source file:com.moviejukebox.plugin.OpenSubtitlesPlugin.java

private static String sendRPC(String xml) throws IOException {

    StringBuilder str = new StringBuilder();
    String strona = OS_DB_SERVER;
    String logowanie = xml;//w w w  .  jav a  2  s.c  om
    URL url = new URL(strona);
    URLConnection connection = url.openConnection();
    connection.setRequestProperty("Connection", "Close");

    // connection.setRequestProperty("Accept","text/html");
    connection.setRequestProperty("Content-Type", "text/xml");
    connection.setDoOutput(Boolean.TRUE);

    connection.getOutputStream().write(logowanie.getBytes("UTF-8"));

    try (Scanner in = new Scanner(connection.getInputStream())) {
        while (in.hasNextLine()) {
            str.append(in.nextLine());
        }
    }

    ((HttpURLConnection) connection).disconnect();

    return str.toString();
}