Example usage for java.net HttpURLConnection getOutputStream

Introduction

In this page you can find the example usage for java.net HttpURLConnection getOutputStream.

Prototype

public OutputStream getOutputStream() throws IOException 

Source Link

Document

Returns an output stream that writes to this connection.

Usage

From source file:com.cloudbees.workflow.Util.java

public static int postToJenkins(Jenkins jenkins, String url, String content, String contentType)
        throws IOException {
    String jenkinsUrl = jenkins.getRootUrl();
    URL urlObj = new URL(jenkinsUrl + url.replace("/jenkins/job/", "job/"));
    HttpURLConnection conn = (HttpURLConnection) urlObj.openConnection();

    try {//w  ww .jav  a  2s . com
        conn.setRequestMethod("POST");

        // Set the crumb header, otherwise the POST may be rejected.
        NameValuePair crumbHeader = getCrumbHeaderNVP(jenkins);
        conn.setRequestProperty(crumbHeader.getName(), crumbHeader.getValue());

        if (contentType != null) {
            conn.setRequestProperty("Content-Type", contentType);
        }
        if (content != null) {
            byte[] bytes = content.getBytes(Charset.forName("UTF-8"));

            conn.setDoOutput(true);

            conn.setRequestProperty("Content-Length", String.valueOf(bytes.length));
            final OutputStream os = conn.getOutputStream();
            try {
                os.write(bytes);
                os.flush();
            } finally {
                os.close();
            }
        }

        return conn.getResponseCode();
    } finally {
        conn.disconnect();
    }
}

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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 {/* w w w.  j a va2s . c  o  m*/
        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.cyphermessenger.client.SyncRequest.java

public static HttpURLConnection doRequest(String endpoint, CypherSession session, String[] keys,
        String[] values) throws IOException {
    HttpURLConnection connection = (java.net.HttpURLConnection) new URL(DOMAIN + endpoint).openConnection();
    connection.setDoOutput(true);//from  w  w  w . j  a v  a 2s  .c  o  m
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Accept-Charset", "UTF-8");
    connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
    connection.connect();
    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(connection.getOutputStream()));
    if (session != null) {
        writer.write("userID=");
        writer.write(session.getUser().getUserID() + "&sessionID=");
        writer.write(session.getSessionID());
    }
    if (keys != null && keys.length > 0) {
        if (session != null) {
            writer.write('&');
        }
        // write first row
        writer.write(keys[0]);
        writer.write('=');
        writer.write(URLEncoder.encode(values[0], "UTF-8"));
        for (int i = 1; i < keys.length; i++) {
            writer.write('&');
            writer.write(keys[i]);
            writer.write('=');
            writer.write(URLEncoder.encode(values[i], "UTF-8"));
        }
    }
    writer.close();
    return connection;
}

---

From source file:lu.list.itis.dkd.aig.util.FusekiHttpHelper.java

/**
 * Upload ontology content on specified dataset. Graph used is the default
 * one except if specified/*from  w w  w .j av  a  2 s .c o m*/
 * 
 * @param ontology
 * @param datasetName
 * @param graphName
 * @throws IOException
 * @throws HttpException
 */
public static void uploadOntology(InputStream ontology, String datasetName, @Nullable String graphName)
        throws IOException, HttpException {
    graphName = Strings.emptyToNull(graphName);

    logger.info("upload ontology in dataset: " + datasetName + " graph:" + Strings.nullToEmpty(graphName));

    boolean createGraph = (graphName != null) ? true : false;
    String dataSetEncoded = URLEncoder.encode(datasetName, "UTF-8");
    String graphEncoded = createGraph ? URLEncoder.encode(graphName, "UTF-8") : null;

    URL url = new URL(HOST + '/' + dataSetEncoded + "/data" + (createGraph ? "?graph=" + graphEncoded : ""));

    final HttpURLConnection httpConnection = (HttpURLConnection) url.openConnection();

    String boundary = "------------------" + System.currentTimeMillis()
            + Long.toString(Math.round(Math.random() * 1000));

    httpConnection.setUseCaches(false);
    httpConnection.setRequestMethod("POST");
    httpConnection.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
    httpConnection.setRequestProperty("Connection", "keep-alive");
    httpConnection.setRequestProperty("Cache-Control", "no-cache");

    // set content
    httpConnection.setDoOutput(true);
    final OutputStreamWriter out = new OutputStreamWriter(httpConnection.getOutputStream());
    out.write(BOUNDARY_DECORATOR + boundary + EOL);
    out.write("Content-Disposition: form-data; name=\"files[]\"; filename=\"ontology.owl\"" + EOL);
    out.write("Content-Type: application/octet-stream" + EOL + EOL);
    out.write(CharStreams.toString(new InputStreamReader(ontology)));
    out.write(EOL + BOUNDARY_DECORATOR + boundary + BOUNDARY_DECORATOR + EOL);
    out.close();

    // handle HTTP/HTTPS strange behaviour
    httpConnection.connect();
    httpConnection.disconnect();

    // handle response
    switch (httpConnection.getResponseCode()) {
    case HttpURLConnection.HTTP_CREATED:
        checkState(createGraph, "bad state - code:" + httpConnection.getResponseCode() + " message: "
                + httpConnection.getResponseMessage());
        break;
    case HttpURLConnection.HTTP_OK:
        checkState(!createGraph, "bad state - code:" + httpConnection.getResponseCode() + " message: "
                + httpConnection.getResponseMessage());
        break;
    default:
        throw new HttpException(
                httpConnection.getResponseCode() + " message: " + httpConnection.getResponseMessage());
    }

}

---

From source file:com.telefonica.iot.perseo.Utils.java

/**
 * Makes an HTTP POST to an URL sending an body. The URL and body are
 * represented as String.//from   w w  w  .jav  a  2s.c o m
 *
 * @param urlStr String representation of the URL
 * @param content Styring representation of the body to post
 *
 * @return if the request has been accompished
 */

public static boolean DoHTTPPost(String urlStr, String content) {
    try {
        URL url = new URL(urlStr);
        HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();
        urlConn.setDoOutput(true);
        urlConn.setRequestProperty("Content-Type", "application/json; charset=utf-8");
        urlConn.setRequestProperty(Constants.CORRELATOR_HEADER, MDC.get(Constants.CORRELATOR_ID));
        urlConn.setRequestProperty(Constants.SERVICE_HEADER, MDC.get(Constants.SERVICE_FIELD));
        urlConn.setRequestProperty(Constants.SUBSERVICE_HEADER, MDC.get(Constants.SUBSERVICE_FIELD));
        urlConn.setRequestProperty(Constants.REALIP_HEADER, MDC.get(Constants.REALIP_FIELD));

        OutputStreamWriter printout = new OutputStreamWriter(urlConn.getOutputStream(),
                Charset.forName("UTF-8"));
        printout.write(content);
        printout.flush();
        printout.close();

        int code = urlConn.getResponseCode();
        String message = urlConn.getResponseMessage();
        logger.debug("action http response " + code + " " + message);
        if (code / 100 == 2) {
            InputStream input = urlConn.getInputStream();
            BufferedReader reader = new BufferedReader(new InputStreamReader(input));
            for (String line; (line = reader.readLine()) != null;) {
                logger.info("action response body: " + line);
            }
            input.close();
            return true;

        } else {
            logger.error("action response is not OK: " + code + " " + message);
            InputStream error = urlConn.getErrorStream();
            BufferedReader reader = new BufferedReader(new InputStreamReader(error));
            for (String line; (line = reader.readLine()) != null;) {
                logger.error("action error response body: " + line);
            }
            error.close();
            return false;
        }
    } catch (MalformedURLException me) {
        logger.error("exception MalformedURLException: " + me);
        return false;
    } catch (IOException ioe) {
        logger.error("exception IOException: " + ioe);
        return false;
    }
}

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From source file:com.example.makerecg.NetworkUtilities.java

/**
 * Connects to the SampleSync test server, authenticates the provided
 * username and password.//from  w w  w  .j a  v  a  2  s  . c o m
 * This is basically a standard OAuth2 password grant interaction.
 *
 * @param username The server account username
 * @param password The server account password
 * @return String The authentication token returned by the server (or null)
 */
public static String authenticate(String username, String password) {
    String token = null;

    try {

        Log.i(TAG, "Authenticating to: " + AUTH_URI);
        URL urlToRequest = new URL(AUTH_URI);
        HttpURLConnection conn = (HttpURLConnection) urlToRequest.openConnection();
        conn.setDoOutput(true);
        conn.setDoInput(true);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        List<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("grant_type", "password"));
        params.add(new BasicNameValuePair("client_id", "CLIENT_ID"));
        params.add(new BasicNameValuePair("username", username));
        params.add(new BasicNameValuePair("password", password));

        OutputStream os = conn.getOutputStream();
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
        writer.write(getQuery(params));
        writer.flush();
        writer.close();
        os.close();

        int responseCode = conn.getResponseCode();

        if (responseCode == HttpsURLConnection.HTTP_OK) {
            String response = "";
            String line;
            BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            while ((line = br.readLine()) != null) {
                response += line;
            }
            br.close();

            // Response body will look something like this:
            // {
            //    "token_type": "bearer",
            //    "access_token": "0dd18fd38e84fb40e9e34b1f82f65f333225160a",
            //    "expires_in": 3600
            //  }

            JSONObject jresp = new JSONObject(new JSONTokener(response));

            token = jresp.getString("access_token");
        } else {
            Log.e(TAG, "Error authenticating");
            token = null;
        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        Log.v(TAG, "getAuthtoken completing");
    }

    return token;

}

---

From source file:BihuHttpUtil.java

/**
 * ??HTTPJSON?/*from   w w  w .j a  va  2  s . c  o m*/
 * @param url
 * @param jsonStr
 */
public static String sendPostForJson(String url, String jsonStr) {
    StringBuffer sb = new StringBuffer("");
    try {
        //
        URL realUrl = new URL(url);
        HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.setRequestMethod("POST");
        connection.setUseCaches(false);
        connection.setInstanceFollowRedirects(true);
        connection.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
        connection.connect();
        //POST
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());
        out.write(jsonStr.getBytes("UTF-8"));//???
        out.flush();
        out.close();
        //??
        BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        String lines;
        while ((lines = reader.readLine()) != null) {
            lines = new String(lines.getBytes(), "utf-8");
            sb.append(lines);
        }
        reader.close();
        // 
        connection.disconnect();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return sb.toString();
}

---

From source file:com.androidex.volley.toolbox.HurlStack.java

private static void addBodyIfExists(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    byte[] body = request.getBody();
    if (body != null) {
        ProgressListener progressListener = null;
        if (request instanceof ProgressListener) {
            progressListener = (ProgressListener) request;
        }/*from   w  w  w .j  a  v  a  2  s . c o m*/
        connection.setDoOutput(true);
        connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getBodyContentType());
        DataOutputStream out = new DataOutputStream(connection.getOutputStream());

        if (progressListener != null) {
            int transferredBytes = 0;
            int totalSize = body.length;
            int offset = 0;
            int chunkSize = Math.min(2048, Math.max(totalSize - offset, 0));
            while (chunkSize > 0 && offset + chunkSize <= totalSize) {
                out.write(body, offset, chunkSize);
                transferredBytes += chunkSize;
                progressListener.onProgress(transferredBytes, totalSize);
                offset += chunkSize;
                chunkSize = Math.min(chunkSize, Math.max(totalSize - offset, 0));
            }
        } else {
            out.write(body);
        }

        out.close();
    }
}

---

From source file:com.pubkit.network.PubKitNetwork.java

public static JSONObject sendPost(String apiKey, JSONObject jsonObject) {
    URL url;//w  w w. j a va 2  s  .c o m
    HttpURLConnection connection = null;
    try {
        //Create connection
        url = new URL(PUBKIT_API_URL);
        String encodedData = jsonObject.toString();
        byte[] postDataBytes = jsonObject.toString().getBytes("UTF-8");

        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setRequestProperty("Accept", "application/json");
        connection.setRequestProperty("Content-Length", "" + String.valueOf(postDataBytes.length));
        connection.setRequestProperty("api_key", apiKey);

        connection.setUseCaches(false);
        connection.setDoOutput(true);

        //Send request
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(encodedData);//set data
        wr.flush();

        //Get Response
        InputStream inputStream = connection.getErrorStream(); //first check for error.
        if (inputStream == null) {
            inputStream = connection.getInputStream();
        }
        BufferedReader rd = new BufferedReader(new InputStreamReader(inputStream));

        String line;
        StringBuilder response = new StringBuilder();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\r');
        }
        wr.close();
        rd.close();

        String responseString = response.toString();
        if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
            return new JSONObject("{'error':'" + responseString + "'}");
        } else {
            try {
                return new JSONObject(responseString);
            } catch (JSONException e) {
                Log.e("PUBKIT", "Error parsing data", e);
            }
        }
    } catch (Exception e) {
        Log.e("PUBKIT", "Network exception:", e);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
    return null;
}

---

From source file:Main.java

public static String request(String url, Map<String, String> cookies, Map<String, String> parameters)
        throws Exception {
    HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
    connection.setRequestProperty("User-Agent",
            "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36");
    if (cookies != null && !cookies.isEmpty()) {
        StringBuilder cookieHeader = new StringBuilder();
        for (String cookie : cookies.values()) {
            if (cookieHeader.length() > 0) {
                cookieHeader.append(";");
            }/*from www  . j a v  a2  s.  c  om*/
            cookieHeader.append(cookie);
        }
        connection.setRequestProperty("Cookie", cookieHeader.toString());
    }
    connection.setDoInput(true);
    if (parameters != null && !parameters.isEmpty()) {
        connection.setDoOutput(true);
        OutputStreamWriter osw = new OutputStreamWriter(connection.getOutputStream());
        osw.write(parametersToWWWFormURLEncoded(parameters));
        osw.flush();
        osw.close();
    }
    if (cookies != null) {
        for (Map.Entry<String, List<String>> headerEntry : connection.getHeaderFields().entrySet()) {
            if (headerEntry != null && headerEntry.getKey() != null
                    && headerEntry.getKey().equalsIgnoreCase("Set-Cookie")) {
                for (String header : headerEntry.getValue()) {
                    for (HttpCookie httpCookie : HttpCookie.parse(header)) {
                        cookies.put(httpCookie.getName(), httpCookie.toString());
                    }
                }
            }
        }
    }
    Reader r = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    StringWriter w = new StringWriter();
    char[] buffer = new char[1024];
    int n = 0;
    while ((n = r.read(buffer)) != -1) {
        w.write(buffer, 0, n);
    }
    r.close();
    return w.toString();
}

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