Example usage for java.net HttpURLConnection setDoOutput

Introduction

In this page you can find the example usage for java.net HttpURLConnection 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: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  ww  w.jav  a 2  s.  c om
 *
 * @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:flexpos.restfulConnection.java

public static String postRESTful(String RESTfull_URL, String data) {
    String state = "";
    try {//from  w  w  w .  j  a  v  a  2s. c o  m
        URL url = new URL(RESTfull_URL);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setUseCaches(false);
        connection.setDoInput(true);
        connection.setDoOutput(true);

        //Send request
        postRequest(connection, data);

        //Get Response
        state = postResponse(connection);

        if (connection != null) {
            connection.disconnect();
        }
    } catch (Exception ex) {
        Logger.getLogger(restfulConnection.class.getName()).log(Level.SEVERE, null, ex);
    }

    return state;
}

---

From source file:com.cnaude.mutemanager.UUIDFetcher.java

private static HttpURLConnection createConnection() throws Exception {
    URL url = new URL(PROFILE_URL);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/json");
    connection.setUseCaches(false);/*from  w  ww. j  a  va 2  s  .c o m*/
    connection.setDoInput(true);
    connection.setDoOutput(true);
    return connection;
}

---

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

/**
 * Connects to the SampleSync test server, authenticates the provided
 * username and password.//from   w  ww. ja  v  a2s  .c om
 * 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:com.pureinfo.srm.outlay.action.SearchCheckCodeAction.java

/**
 * /*from   ww w .  j  a  v a 2  s . com*/
 * @param strUrl
 * @param strPostRequest
 * @return
 */
public static String getPageContent(String strUrl, String strPostRequest) {
    //
    StringBuffer buffer = new StringBuffer();
    System.setProperty("sun.net.client.defaultConnectTimeout", "5000");
    System.setProperty("sun.net.client.defaultReadTimeout", "5000");
    try {
        URL newUrl = new URL(strUrl);
        HttpURLConnection hConnect = (HttpURLConnection) newUrl.openConnection();
        //POST
        if (strPostRequest.length() > 0) {
            hConnect.setDoOutput(true);
            OutputStreamWriter out = new OutputStreamWriter(hConnect.getOutputStream());
            out.write(strPostRequest);
            out.flush();
            out.close();
        }
        //
        BufferedReader rd = new BufferedReader(new InputStreamReader(hConnect.getInputStream()));
        int ch;
        for (int length = 0; (ch = rd.read()) > -1; length++)
            buffer.append((char) ch);
        rd.close();
        hConnect.disconnect();
        return buffer.toString().trim();
    } catch (Exception e) {
        // return ":";
        return null;
    } finally {
        buffer.setLength(0);
    }
}

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From source file:io.github.retz.web.JobRequestRouter.java

public static boolean statHTTPFile(String url, String name) {
    String addr = url.replace("files/browse", "files/download") + "%2F" + maybeURLEncode(name);

    HttpURLConnection conn = null;
    try {//from  w w  w.j a v  a2  s.  c  o  m
        conn = (HttpURLConnection) new URL(addr).openConnection();
        conn.setRequestMethod("HEAD");
        conn.setDoOutput(false);
        LOG.debug(conn.getResponseMessage());
        return conn.getResponseCode() == 200 || conn.getResponseCode() == 204;
    } catch (IOException e) {
        LOG.debug("Failed to fetch {}: {}", addr, e.toString());
        return false;
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

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From source file:Main.java

public static String readTextFromURL(String urlString) throws IOException {

    HttpURLConnection urlConnection = null;

    URL url = new URL(urlString);

    urlConnection = (HttpURLConnection) url.openConnection();

    urlConnection.setRequestMethod("GET");
    urlConnection.setReadTimeout(10000 /* milliseconds */);
    urlConnection.setConnectTimeout(15000 /* milliseconds */);

    urlConnection.setDoOutput(true);

    urlConnection.connect();/*from  w ww  .  java 2s  .  co m*/

    BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));

    char[] buffer = new char[1024];

    String jsonString = new String();

    StringBuilder sb = new StringBuilder();
    String line;
    while ((line = br.readLine()) != null) {
        sb.append(line + "\n");
    }
    br.close();

    return sb.toString();
}

---

From source file:com.screenslicer.core.util.Email.java

public static void sendResults(EmailExport export) {
    if (WebApp.DEV) {
        return;// ww w  .ja v a 2s. c om
    }
    Map<String, Object> params = new HashMap<String, Object>();
    params.put("key", Config.instance.mandrillKey());
    List<Map<String, String>> to = new ArrayList<Map<String, String>>();
    for (int i = 0; i < export.recipients.length; i++) {
        to.add(CommonUtil.asMap("email", "name", "type", export.recipients[i],
                export.recipients[i].split("@")[0], "to"));
    }
    List<Map<String, String>> attachments = new ArrayList<Map<String, String>>();
    for (Map.Entry<String, byte[]> entry : export.attachments.entrySet()) {
        attachments.add(CommonUtil.asMap("type", "name", "content", new Tika().detect(entry.getValue()),
                entry.getKey(), Base64.encodeBase64String(entry.getValue())));
    }
    params.put("message", CommonUtil.asObjMap("track_clicks", "track_opens", "html", "text", "headers",
            "subject", "from_email", "from_name", "to", "attachments", false, false, "Results attached.",
            "Results attached.", CommonUtil.asMap("Reply-To", Config.instance.mandrillEmail()), export.title,
            Config.instance.mandrillEmail(), Config.instance.mandrillEmail(), to, attachments));
    params.put("async", true);
    HttpURLConnection conn = null;
    String resp = null;
    Log.info("Sending email: " + export.title, false);
    try {
        conn = (HttpURLConnection) new URL("https://mandrillapp.com/api/1.0/messages/send.json")
                .openConnection();
        conn.setDoOutput(true);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestProperty("User-Agent", "Mandrill-Curl/1.0");
        String data = CommonUtil.gson.toJson(params, CommonUtil.objectType);
        byte[] bytes = data.getBytes("utf-8");
        conn.setRequestProperty("Content-Length", "" + bytes.length);
        OutputStream os = conn.getOutputStream();
        os.write(bytes);
        conn.connect();
        resp = IOUtils.toString(conn.getInputStream(), "utf-8");
        if (resp.contains("\"rejected\"") || resp.contains("\"invalid\"")) {
            Log.warn("Invalid/rejected email addreses");
        }
    } catch (Exception e) {
        Log.exception(e);
    }
}

---

From source file:com.intellectualcrafters.plot.uuid.UUIDFetcher.java

private static HttpURLConnection createConnection() throws Exception {
    final URL url = new URL(PROFILE_URL);
    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/json");
    connection.setUseCaches(false);//from   w  w  w . ja  va 2 s . c  o m
    connection.setDoInput(true);
    connection.setDoOutput(true);
    return connection;
}

---

From source file:com.arellomobile.android.push.utils.NetworkUtils.java

public static NetworkResult makeRequest(Map<String, Object> data, String methodName) throws Exception {
    NetworkResult result = new NetworkResult(500, null);
    OutputStream connectionOutput = null;
    InputStream inputStream = null;
    try {//w w  w.j a v  a2 s  .  c  om
        String urlString = NetworkUtils.BASE_URL + methodName;
        if (useSSL)
            urlString = NetworkUtils.BASE_URL_SECURE + methodName;

        URL url = new URL(urlString);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", "application/json; charset=utf-8");

        connection.setDoOutput(true);

        JSONObject innerRequestJson = new JSONObject();

        for (String key : data.keySet()) {
            innerRequestJson.put(key, data.get(key));
        }

        JSONObject requestJson = new JSONObject();
        requestJson.put("request", innerRequestJson);

        connection.setRequestProperty("Content-Length",
                String.valueOf(requestJson.toString().getBytes().length));

        connectionOutput = connection.getOutputStream();
        connectionOutput.write(requestJson.toString().getBytes());
        connectionOutput.flush();
        connectionOutput.close();

        inputStream = new BufferedInputStream(connection.getInputStream());

        ByteArrayOutputStream dataCache = new ByteArrayOutputStream();

        // Fully read data
        byte[] buff = new byte[1024];
        int len;
        while ((len = inputStream.read(buff)) >= 0) {
            dataCache.write(buff, 0, len);
        }

        // Close streams
        dataCache.close();

        String jsonString = new String(dataCache.toByteArray()).trim();
        Log.w(TAG, "PushWooshResult: " + jsonString);

        JSONObject resultJSON = new JSONObject(jsonString);

        result.setData(resultJSON);
        result.setCode(resultJSON.getInt("status_code"));
    } finally {
        if (null != inputStream) {
            inputStream.close();
        }
        if (null != connectionOutput) {
            connectionOutput.close();
        }
    }

    return result;
}

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