Example usage for java.net URLConnection setDoOutput

List of usage examples for java.net URLConnection setDoOutput

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.openehealth.coms.cc.consent_applet.applet.ConsentApplet.java

/**
 * Requests that a electronically signed CDA Document object be stored
 * /*from   w ww. j a va2 s. com*/
 * @param storeUrl
 */
private void requestStoreSignedConsent(String storeUrl) {
    try {

        URL url = new URL(strRelURL + storeUrl);
        URLConnection conn = url.openConnection();
        conn.setRequestProperty("cookie", strCookie);
        conn.setRequestProperty("Content-Type", "text/xml");
        conn.setRequestProperty("Character-Encoding", "UTF-8");

        conn.setDoOutput(true);
        conn.setDoInput(true);

        DOMSource domSource = new DOMSource(cda);
        StringWriter owriter = new StringWriter();
        StreamResult result = new StreamResult(owriter);
        TransformerFactory tf = TransformerFactory.newInstance();
        Transformer transformer = tf.newTransformer();
        transformer.transform(domSource, result);

        ByteArrayOutputStream bStream = new ByteArrayOutputStream();
        ObjectOutputStream oStream = new ObjectOutputStream(bStream);
        oStream.writeObject(cda);
        byte[] byteVal = bStream.toByteArray();

        OutputStream ops = conn.getOutputStream();
        ops.write(byteVal);

        InputStream is = conn.getInputStream();
        StringWriter writer = new StringWriter();
        IOUtils.copy(new InputStreamReader(is, "UTF8"), writer);
        String s = writer.toString();

        is.close();

        JSONObject jso = new JSONObject(s);

        boolean success = jso.getBoolean("success");
        String message = jso.getString("message");

        if (success) {

            JOptionPane.showMessageDialog(this, message, "Erfolg", JOptionPane.INFORMATION_MESSAGE);

        } else {

            JOptionPane.showMessageDialog(this, message, "Fehler", JOptionPane.ERROR_MESSAGE);

        }

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

From source file:org.orbeon.oxf.util.Connection.java

/**
 * Open the connection. This sends request headers, request body, and reads status and response headers.
 *
 * @return                  connection result
 *///from ww  w  .j a va 2  s . c  om
public ConnectionResult connect() {

    final boolean isDebugEnabled = indentedLogger.isDebugEnabled();

    // Perform connection
    final String scheme = connectionURL.getProtocol();
    if (isHTTPOrHTTPS(scheme)
            || (httpMethod.equals("GET") && (scheme.equals("file") || scheme.equals("oxf")))) {
        // http MUST be supported
        // https SHOULD be supported
        // file SHOULD be supported
        try {
            // Create URL connection object
            final URLConnection urlConnection = connectionURL.openConnection();
            final HTTPURLConnection httpURLConnection = (urlConnection instanceof HTTPURLConnection)
                    ? (HTTPURLConnection) urlConnection
                    : null;

            // Whether a message body must be sent
            final boolean hasRequestBody = httpMethod.equals("POST") || httpMethod.equals("PUT");

            urlConnection.setDoInput(true);
            urlConnection.setDoOutput(hasRequestBody);

            // Configure HTTPURLConnection
            if (httpURLConnection != null) {
                // Set state if possible
                httpURLConnection.setCookieStore(this.cookieStore);

                // Set method
                httpURLConnection.setRequestMethod(httpMethod);

                // Set credentials
                if (credentials != null) {

                    httpURLConnection.setUsername(credentials.username);
                    if (credentials.password != null)
                        httpURLConnection.setPassword(credentials.password);
                    if (credentials.preemptiveAuthentication != null)
                        httpURLConnection.setPreemptiveAuthentication(credentials.preemptiveAuthentication);
                    if (credentials.domain != null)
                        httpURLConnection.setDomain(credentials.domain);
                }
            }

            // Update request headers
            {
                // Handle SOAP
                // Set request Content-Type, SOAPAction or Accept header if needed
                final boolean didSOAP = handleSOAP(indentedLogger, httpMethod, headersMap, contentType,
                        hasRequestBody);

                // Set request content type
                if (!didSOAP && hasRequestBody) {
                    final String actualContentType = (contentType != null) ? contentType : "application/xml";
                    headersMap.put("Content-Type", new String[] { actualContentType });
                    indentedLogger.logDebug(LOG_TYPE, "setting header", "Content-Type", actualContentType);
                }
            }

            // Set headers on connection
            final List<String> headersToLog;
            if (headersMap != null && headersMap.size() > 0) {

                headersToLog = isDebugEnabled ? new ArrayList<String>() : null;

                for (Map.Entry<String, String[]> currentEntry : headersMap.entrySet()) {
                    final String currentHeaderName = currentEntry.getKey();
                    final String[] currentHeaderValues = currentEntry.getValue();
                    if (currentHeaderValues != null) {
                        // Add all header values as "request properties"
                        for (String currentHeaderValue : currentHeaderValues) {
                            urlConnection.addRequestProperty(currentHeaderName, currentHeaderValue);

                            if (headersToLog != null) {
                                headersToLog.add(currentHeaderName);
                                headersToLog.add(currentHeaderValue);
                            }
                        }
                    }
                }
            } else {
                headersToLog = null;
            }

            // Log request details except body
            if (isDebugEnabled) {
                // Basic connection information
                final URI connectionURI;
                try {
                    String userInfo = connectionURL.getUserInfo();
                    if (userInfo != null) {
                        final int colonIndex = userInfo.indexOf(':');
                        if (colonIndex != -1)
                            userInfo = userInfo.substring(0, colonIndex + 1) + "xxxxxxxx";// hide password in logs
                    }
                    connectionURI = new URI(connectionURL.getProtocol(), userInfo, connectionURL.getHost(),
                            connectionURL.getPort(), connectionURL.getPath(), connectionURL.getQuery(),
                            connectionURL.getRef());
                } catch (URISyntaxException e) {
                    throw new OXFException(e);
                }
                indentedLogger.logDebug(LOG_TYPE, "opening URL connection", "method", httpMethod, "URL",
                        connectionURI.toString(), "request Content-Type", contentType);

                // Log all headers
                if (headersToLog != null) {
                    final String[] strings = new String[headersToLog.size()];
                    indentedLogger.logDebug(LOG_TYPE, "request headers", headersToLog.toArray(strings));
                }
            }

            // Write request body if needed
            if (hasRequestBody) {

                // Case of empty body
                if (messageBody == null)
                    messageBody = new byte[0];

                // Log message body for debugging purposes
                if (logBody)
                    logRequestBody(indentedLogger, contentType, messageBody);

                // Set request body on connection
                httpURLConnection.setRequestBody(messageBody);
            }

            // Connect
            urlConnection.connect();

            if (httpURLConnection != null) {
                // Get state if possible
                // This is either the state we set above before calling connect(), or a new state if we didn't provide any
                this.cookieStore = httpURLConnection.getCookieStore();
            }

            // Create result
            final ConnectionResult connectionResult = new ConnectionResult(connectionURL.toExternalForm()) {
                @Override
                public void close() {
                    if (getResponseInputStream() != null) {
                        try {
                            getResponseInputStream().close();
                        } catch (IOException e) {
                            throw new OXFException(
                                    "Exception while closing input stream for action: " + connectionURL);
                        }
                    }

                    if (httpURLConnection != null)
                        httpURLConnection.disconnect();
                }
            };

            // Get response information that needs to be forwarded
            {
                // Status code
                connectionResult.statusCode = (httpURLConnection != null) ? httpURLConnection.getResponseCode()
                        : 200;

                // Headers
                connectionResult.responseHeaders = urlConnection.getHeaderFields();
                connectionResult.setLastModified(NetUtils.getLastModifiedAsLong(urlConnection));

                // Content-Type
                connectionResult.setResponseContentType(urlConnection.getContentType(), "application/xml");
            }

            // Log response details except body
            if (isDebugEnabled) {
                connectionResult.logResponseDetailsIfNeeded(indentedLogger, Level.DEBUG, LOG_TYPE);
            }

            // Response stream
            connectionResult.setResponseInputStream(urlConnection.getInputStream());

            // Log response body
            if (isDebugEnabled) {
                connectionResult.logResponseBody(indentedLogger, Level.DEBUG, LOG_TYPE, logBody);
            }

            return connectionResult;

        } catch (IOException e) {
            throw new ValidationException(e, new LocationData(connectionURL.toExternalForm(), -1, -1));
        }
    } else if (!httpMethod.equals("GET") && (scheme.equals("file") || scheme.equals("oxf"))) {
        // TODO: implement writing to file: and oxf:
        // SHOULD be supported (should probably support oxf: as well)
        throw new OXFException("submission URL scheme not yet implemented: " + scheme);
    } else if (scheme.equals("mailto")) {
        // TODO: implement sending mail
        // MAY be supported
        throw new OXFException("submission URL scheme not yet implemented: " + scheme);
    } else {
        throw new OXFException("submission URL scheme not supported: " + scheme);
    }
}

From source file:org.signserver.client.cli.defaultimpl.TimeStampCommand.java

@SuppressWarnings("SleepWhileInLoop") // We are just using the sleep for rate limiting
private void tsaRequest() throws Exception {
    final Random rand = new Random();
    final TimeStampRequestGenerator timeStampRequestGenerator = new TimeStampRequestGenerator();
    boolean doRun = true;
    do {/* w  w  w.j a  v a  2 s  .c  o  m*/

        final int nonce = rand.nextInt();

        byte[] digest = new byte[20];
        if (instring != null) {
            final byte[] digestBytes = instring.getBytes("UTF-8");
            final MessageDigest dig = MessageDigest.getInstance(TSPAlgorithms.SHA1.getId(), "BC");
            dig.update(digestBytes);
            digest = dig.digest();
            // When we have given input, we don't want to loop
            doRun = false;
        }
        if (infilestring != null) {
            // TSPAlgorithms constants changed from Strings to ASN1Encoded objects
            digest = digestFile(infilestring, TSPAlgorithms.SHA1.getId());
            doRun = false;
        }
        final byte[] hexDigest = Hex.encode(digest);

        if (LOG.isDebugEnabled()) {
            LOG.debug("MessageDigest=" + new String(hexDigest));
        }

        final TimeStampRequest timeStampRequest;
        if (inreqstring == null) {
            LOG.debug("Generating a new request");
            timeStampRequestGenerator.setCertReq(certReq);
            if (reqPolicy != null) {
                timeStampRequestGenerator.setReqPolicy(new ASN1ObjectIdentifier(reqPolicy));
            }
            timeStampRequest = timeStampRequestGenerator.generate(TSPAlgorithms.SHA1, digest,
                    BigInteger.valueOf(nonce));
        } else {
            LOG.debug("Reading request from file");
            timeStampRequest = new TimeStampRequest(readFiletoBuffer(inreqstring));
        }
        final byte[] requestBytes = timeStampRequest.getEncoded();

        if (outreqstring != null) {
            // Store request
            byte[] outBytes;
            if (base64) {
                outBytes = Base64.encode(requestBytes);
            } else {
                outBytes = requestBytes;
            }
            FileOutputStream fos = null;
            try {
                fos = new FileOutputStream(outreqstring);
                fos.write(outBytes);
            } finally {
                if (fos != null) {
                    fos.close();
                }
            }
        }

        keyStoreOptions.setupHTTPS();

        URL url;
        URLConnection urlConn;
        DataOutputStream printout;
        DataInputStream input;

        url = new URL(urlstring);

        // Take start time
        final long startMillis = System.currentTimeMillis();
        final long startTime = System.nanoTime();
        if (LOG.isDebugEnabled()) {
            LOG.debug("Sending request at: " + startMillis);
        }

        urlConn = url.openConnection();

        urlConn.setDoInput(true);
        urlConn.setDoOutput(true);
        urlConn.setUseCaches(false);
        urlConn.setRequestProperty("Content-Type", "application/timestamp-query");

        // Send POST output.
        printout = new DataOutputStream(urlConn.getOutputStream());
        printout.write(requestBytes);
        printout.flush();
        printout.close();

        // Get response data.
        input = new DataInputStream(urlConn.getInputStream());

        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
        int b;
        while ((b = input.read()) != -1) {
            baos.write(b);
        }

        // Take stop time
        final long estimatedTime = System.nanoTime() - startTime;

        LOG.info("Got reply after " + TimeUnit.NANOSECONDS.toMillis(estimatedTime) + " ms");

        final byte[] replyBytes = baos.toByteArray();
        if (outrepstring != null) {
            // Store request
            byte[] outBytes;
            if (base64) {
                outBytes = Base64.encode(replyBytes);
            } else {
                outBytes = replyBytes;
            }
            FileOutputStream fos = null;
            try {
                fos = new FileOutputStream(outrepstring);
                fos.write(outBytes);
            } finally {
                if (fos != null) {
                    fos.close();
                }
            }
        }

        final TimeStampResponse timeStampResponse = new TimeStampResponse(replyBytes);
        timeStampResponse.validate(timeStampRequest);

        LOG.info("TimeStampRequest validated");

        if (LOG.isDebugEnabled()) {
            final Date genTime;
            if (timeStampResponse.getTimeStampToken() != null
                    && timeStampResponse.getTimeStampToken().getTimeStampInfo() != null) {
                genTime = timeStampResponse.getTimeStampToken().getTimeStampInfo().getGenTime();
            } else {
                genTime = null;
            }
            LOG.debug("(Status: " + timeStampResponse.getStatus() + ", " + timeStampResponse.getFailInfo()
                    + "): " + timeStampResponse.getStatusString()
                    + (genTime != null ? (", genTime: " + genTime.getTime()) : "") + "\n");

        }

        if (doRun) {
            Thread.sleep(sleep);
        }
    } while (doRun);
}

From source file:com.jaspersoft.jrx.query.JRXPathQueryExecuter.java

private Document getDocumentFromUrl(Map<String, ? extends JRValueParameter> parametersMap) throws Exception {
    // Get the url...
    String urlString = (String) getParameterValue(JRXPathQueryExecuterFactory.XML_URL);

    // add GET parameters to the urlString...
    Iterator<String> i = parametersMap.keySet().iterator();

    String div = "?";
    URL url = new URL(urlString);
    if (url.getQuery() != null)
        div = "&";

    while (i.hasNext()) {
        String keyName = "" + i.next();
        if (keyName.startsWith("XML_GET_PARAM_")) {
            String paramName = keyName.substring("XML_GET_PARAM_".length());
            String value = (String) getParameterValue(keyName);

            urlString += div + URLEncoder.encode(paramName, "UTF-8") + "=" + URLEncoder.encode(value, "UTF-8");
            div = "&";
        }/* w  w  w  .jav  a2s  .c om*/
    }

    url = new URL(urlString);

    if (url.getProtocol().toLowerCase().equals("file")) {
        // do nothing
        return JRXmlUtils.parse(url.openStream());
    } else if (url.getProtocol().toLowerCase().equals("http")
            || url.getProtocol().toLowerCase().equals("https")) {
        String username = (String) getParameterValue(JRXPathQueryExecuterFactory.XML_USERNAME);
        String password = (String) getParameterValue(JRXPathQueryExecuterFactory.XML_PASSWORD);

        if (url.getProtocol().toLowerCase().equals("https")) {
            JRPropertiesUtil dPROP = PropertiesHelper.DPROP;
            String socketFactory = dPROP
                    .getProperty("net.sf.jasperreports.query.executer.factory.xPath.DefaultSSLSocketFactory");
            if (socketFactory == null) {
                socketFactory = dPROP.getProperty(
                        "net.sf.jasperreports.query.executer.factory.XPath.DefaultSSLSocketFactory");
            }

            if (socketFactory != null) {
                // setSSLSocketFactory
                HttpsURLConnection.setDefaultSSLSocketFactory(
                        (SSLSocketFactory) Class.forName(socketFactory).newInstance());
            } else {
                log.debug("No SSLSocketFactory defined, using default");
            }

            String hostnameVerifyer = dPROP
                    .getProperty("net.sf.jasperreports.query.executer.factory.xPath.DefaultHostnameVerifier");
            if (hostnameVerifyer == null) {
                hostnameVerifyer = dPROP.getProperty(
                        "net.sf.jasperreports.query.executer.factory.XPath.DefaultHostnameVerifier");
            }

            if (hostnameVerifyer != null) {
                // setSSLSocketFactory
                HttpsURLConnection.setDefaultHostnameVerifier(
                        (HostnameVerifier) Class.forName(hostnameVerifyer).newInstance());
            } else {
                log.debug("No HostnameVerifier defined, using default");
            }
        }

        URLConnection conn = url.openConnection();

        if (username != null && username.length() > 0 && password != null) {
            ByteArrayInputStream bytesIn = new ByteArrayInputStream((username + ":" + password).getBytes());
            ByteArrayOutputStream dataOut = new ByteArrayOutputStream();
            Base64Encoder enc = new Base64Encoder(bytesIn, dataOut);
            enc.process();
            String encoding = dataOut.toString();
            conn.setRequestProperty("Authorization", "Basic " + encoding);
        }

        // add POST parameters to the urlString...
        i = parametersMap.keySet().iterator();

        String data = "";
        div = "";
        while (i.hasNext()) {
            String keyName = "" + i.next();
            if (keyName.startsWith("XML_POST_PARAM_")) {
                String paramName = keyName.substring("XML_POST_PARAM_".length());
                String value = (String) getParameterValue(keyName);
                data += div + URLEncoder.encode(paramName, "UTF-8") + "=" + URLEncoder.encode(value, "UTF-8");
                div = "&";
            }
        }

        conn.setDoOutput(true);

        if (data.length() > 0) {
            conn.setDoInput(true);
            OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
            wr.write(data);
            wr.flush();
        }

        try {
            return XMLUtils.parseNoValidation(conn.getInputStream());
        } catch (SAXException e) {
            throw new JRException("Failed to parse the xml document", e);
        } catch (IOException e) {
            throw new JRException("Failed to parse the xml document", e);
        } catch (ParserConfigurationException e) {
            throw new JRException("Failed to create a document builder factory", e);
        }

        // return JRXmlUtils.parse(conn.getInputStream());
    } else {
        throw new JRException("URL protocol not supported");
    }
}

From source file:org.apache.jsp.communities_jsp.java

public String callRestfulApi(String addr, HttpServletRequest request, HttpServletResponse response) {
      if (localCookie)
          CookieHandler.setDefault(cm);

      try {//  www  . j  a va  2 s  . co m
          ByteArrayOutputStream output = new ByteArrayOutputStream();
          URL url = new URL(API_ROOT + addr);
          URLConnection urlConnection = url.openConnection();
          String cookieVal = getBrowserInfiniteCookie(request);
          if (cookieVal != null) {
              urlConnection.addRequestProperty("Cookie", "infinitecookie=" + cookieVal);
              urlConnection.setDoInput(true);
              urlConnection.setDoOutput(true);
              urlConnection.setRequestProperty("Accept-Charset", "UTF-8");
          }
          IOUtils.copy(urlConnection.getInputStream(), output);
          String newCookie = getConnectionInfiniteCookie(urlConnection);
          if (newCookie != null && response != null) {
              setBrowserInfiniteCookie(response, newCookie, request.getServerPort());
          }
          return output.toString();
      } catch (IOException e) {
          System.out.println(e.getMessage());
          return null;
      }
  }

From source file:com.adobe.aem.demo.communities.Loader.java

private static void doAnalytics(String analytics, String event, String pageURL, String resourcePath,
        String resourceType) {// w  w  w . j a v a  2 s.c o m

    if (analytics != null && pageURL != null && resourcePath != null && resourceType != null && event != null) {

        URLConnection urlConn = null;
        DataOutputStream printout = null;
        BufferedReader input = null;
        String tmp = null;
        try {

            URL pageurl = new URL(pageURL);
            StringBuffer sb = new StringBuffer(
                    "<?xml version=1.0 encoding=UTF-8?><request><sc_xml_ver>1.0</sc_xml_ver>");
            sb.append("<events>" + event + "</events>");
            sb.append("<pageURL>" + pageURL + "</pageURL>");
            sb.append("<pageName>"
                    + pageurl.getPath().substring(1, pageurl.getPath().indexOf(".")).replaceAll("/", ":")
                    + "</pageName>");
            sb.append("<evar1>" + resourcePath + "</evar1>");
            sb.append("<evar2>" + resourceType + "</evar2>");
            sb.append("<visitorID>demomachine</visitorID>");
            sb.append("<reportSuiteID>" + analytics.substring(0, analytics.indexOf(".")) + "</reportSuiteID>");
            sb.append("</request>");

            logger.debug("New Analytics Event: " + sb.toString());

            URL sitecaturl = new URL("http://" + analytics);

            urlConn = sitecaturl.openConnection();
            urlConn.setDoInput(true);
            urlConn.setDoOutput(true);
            urlConn.setUseCaches(false);
            urlConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

            printout = new DataOutputStream(urlConn.getOutputStream());

            printout.writeBytes(sb.toString());
            printout.flush();
            printout.close();

            input = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));

            while (null != ((tmp = input.readLine()))) {
                logger.debug(tmp);
            }
            printout.close();
            input.close();

        } catch (Exception ex) {

            logger.error(ex.getMessage());

        }

    }

}

From source file:org.apache.jsp.communities_jsp.java

private String postToRestfulApi(String addr, String data, HttpServletRequest request,
          HttpServletResponse response) {
      if (localCookie)
          CookieHandler.setDefault(cm);
      String result = "";
      try {//from   w ww.ja  v a 2s . co  m
          URLConnection connection = new URL(API_ROOT + addr).openConnection();
          String cookieVal = getBrowserInfiniteCookie(request);
          if (cookieVal != null) {
              connection.addRequestProperty("Cookie", "infinitecookie=" + cookieVal);
              connection.setDoInput(true);
          }
          connection.setDoOutput(true);
          connection.setRequestProperty("Accept-Charset", "UTF-8");

          // Post JSON string to URL
          OutputStream os = connection.getOutputStream();
          byte[] b = data.getBytes("UTF-8");
          os.write(b);

          // Receive results back from API
          InputStream is = connection.getInputStream();
          result = IOUtils.toString(is, "UTF-8");

          String newCookie = getConnectionInfiniteCookie(connection);
          if (newCookie != null && response != null) {
              setBrowserInfiniteCookie(response, newCookie, request.getServerPort());
          }
      } catch (Exception e) {
          //System.out.println("Exception: " + e.getMessage());
      }
      return result;
  }

From source file:org.apache.jsp.sources_jsp.java

public String callRestfulApi(String addr, HttpServletRequest request, HttpServletResponse response) {
       if (localCookie)
           CookieHandler.setDefault(cm);

       try {//from   ww  w.j  a va 2 s.co m
           ByteArrayOutputStream output = new ByteArrayOutputStream();
           URL url = new URL(API_ROOT + addr);
           URLConnection urlConnection = url.openConnection();
           String cookieVal = getBrowserInfiniteCookie(request);
           if (cookieVal != null) {
               urlConnection.addRequestProperty("Cookie", "infinitecookie=" + cookieVal);
               urlConnection.setDoInput(true);
               urlConnection.setDoOutput(true);
               urlConnection.setRequestProperty("Accept-Charset", "UTF-8");
           }
           IOUtils.copy(urlConnection.getInputStream(), output);
           String newCookie = getConnectionInfiniteCookie(urlConnection);
           if (newCookie != null && response != null) {
               setBrowserInfiniteCookie(response, newCookie, request.getServerPort());
           }
           return output.toString();
       } catch (IOException e) {
           System.out.println(e.getMessage());
           return null;
       }
   }

From source file:com.ikanow.infinit.e.data_model.driver.InfiniteDriver.java

private String sendPostRequest(String urlAddress, String data, int redirects)
        throws MalformedURLException, IOException {
    String result = "";

    if (urlAddress.startsWith("https:")) {
        TrustManagerManipulator.allowAllSSL();
    }/* w ww.  j  ava2s  .  c o m*/
    URLConnection urlConnection = new URL(urlAddress).openConnection();

    if (cookie != null)
        urlConnection.setRequestProperty("Cookie", cookie);
    if (apiKey != null)
        urlConnection.setRequestProperty("Cookie", apiKey);

    urlConnection.setDoOutput(true);
    urlConnection.setRequestProperty("Accept-Charset", "UTF-8");
    ((HttpURLConnection) urlConnection).setRequestMethod("POST");

    // Post JSON string to URL

    OutputStream os = urlConnection.getOutputStream();

    byte[] b = data.getBytes("UTF-8");

    os.write(b);

    int status = ((HttpURLConnection) urlConnection).getResponseCode();
    // normally, 3xx is redirect
    if (status != HttpURLConnection.HTTP_OK) {
        if (status == HttpURLConnection.HTTP_MOVED_TEMP || status == HttpURLConnection.HTTP_MOVED_PERM
                || status == HttpURLConnection.HTTP_SEE_OTHER) {
            if (redirects <= 5) {
                String newUrlAddress = ((HttpURLConnection) urlConnection).getHeaderField("Location");
                if (null != newUrlAddress) {
                    return sendPostRequest(newUrlAddress, data, redirects + 1);
                }
            }
            //(else carry on, will exception out or something below)
        }
    } //TESTED

    // Receive results back from API

    InputStream inStream = urlConnection.getInputStream();

    result = IOUtils.toString(inStream, "UTF-8");

    inStream.close();

    //save cookie if cookie is null
    if (cookie == null) {
        String headername;
        for (int i = 1; (headername = urlConnection.getHeaderFieldKey(i)) != null; i++) {
            if (headername.equals("Set-Cookie")) {
                cookie = urlConnection.getHeaderField(i);
                break;
            }
        }
    }

    return result;
}