Example usage for java.net HttpURLConnection setRequestMethod

Introduction

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

Prototype

public void setRequestMethod(String method) throws ProtocolException 

Source Link

Document

Set the method for the URL request, one of:

• GET
• POST
• HEAD
• OPTIONS
• PUT
• DELETE
• TRACE

are legal, subject to protocol restrictions.

Usage

From source file:com.magnet.plugin.common.helpers.URLHelper.java

public static String checkURLConnection(String urlS, String username, String password) {
    String status = "Error connection to server!";
    FormattedLogger logger = new FormattedLogger(URLHelper.class);
    logger.append("checkURLConnection:" + urlS);
    try {/*from  w ww.ja v a2  s  .  c  o  m*/
        URL url = new URL(urlS);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();

        if (username != null && username.trim().length() > 0 && password != null
                && password.trim().length() > 0) {
            final String authString = username + ":" + password;
            conn.setRequestProperty("Authorization", "Basic " + Base64.encode(authString.getBytes()));
        }

        conn.setRequestMethod("GET");
        conn.setDoInput(true);

        status = "" + conn.getResponseCode();
        logger.append("Response code:" + status);
        logger.showInfoLog();
    } catch (Exception e) {
        logger.append(">>>" + e.getClass().getName() + " message: " + e.getMessage());
        logger.showErrorLog();
    }
    return status;
}

---

From source file:dlauncher.authorization.DefaultCredentialsManager.java

private static JSONObject makeRequest(URL url, JSONObject post, boolean ignoreErrors)
        throws ProtocolException, IOException, AuthorizationException {
    JSONObject obj = null;/*from  ww w .j  av a 2s.  co m*/
    try {
        HttpURLConnection con = (HttpURLConnection) url.openConnection();
        con.setDoOutput(true);
        con.setDoInput(true);
        con.setUseCaches(false);
        con.setRequestMethod("POST");
        con.setRequestProperty("Content-Type", "application/json");
        con.setConnectTimeout(15 * 1000);
        con.setReadTimeout(15 * 1000);
        con.connect();
        try (OutputStream out = con.getOutputStream()) {
            out.write(post.toString().getBytes(Charset.forName("UTF-8")));
        }
        con.getResponseCode();
        InputStream instr;
        instr = con.getErrorStream();
        if (instr == null) {
            instr = con.getInputStream();
        }
        byte[] data = new byte[1024];
        int length;
        try (SizeLimitedByteArrayOutputStream bytes = new SizeLimitedByteArrayOutputStream(1024 * 4)) {
            try (InputStream in = new BufferedInputStream(instr)) {
                while ((length = in.read(data)) >= 0) {
                    bytes.write(data, 0, length);
                }
            }
            byte[] rawBytes = bytes.toByteArray();
            if (rawBytes.length != 0) {
                obj = new JSONObject(new String(rawBytes, Charset.forName("UTF-8")));
            } else {
                obj = new JSONObject();
            }
            if (!ignoreErrors && obj.has("error")) {
                String error = obj.getString("error");
                String errorMessage = obj.getString("errorMessage");
                String cause = obj.optString("cause", null);
                if ("ForbiddenOperationException".equals(error)) {
                    if ("UserMigratedException".equals(cause)) {
                        throw new UserMigratedException(errorMessage);
                    }
                    throw new ForbiddenOperationException(errorMessage);
                }
                throw new AuthorizationException(
                        error + (cause != null ? "." + cause : "") + ": " + errorMessage);
            }
            return obj;
        }
    } catch (JSONException ex) {
        throw new InvalidResponseException(ex, obj);
    }
}

---

From source file:com.thyn.backend.gcm.GcmSender.java

public static String sendMessageToDeviceGroup(String to, String message, String sender, Long profileID,
        Long taskID) {/*from  w  w  w.  j a  va 2s .  c o m*/
    String resp = null;
    try {
        // Prepare JSON containing the GCM message content. What to send and where to send.
        JSONObject jGcmData = new JSONObject();
        JSONObject jData = new JSONObject();
        jData.put("message", message);
        jData.put("sender", sender);
        jData.put("profileID", profileID);
        jData.put("taskID", taskID);
        // Where to send GCM message.
        if (to != null && message != null) {
            jGcmData.put("to", to.trim());
        } else {
            Logger.logError("Error", new NullPointerException());
            return null;
        }
        // What to send in GCM message.
        jGcmData.put("data", jData);

        // Create connection to send GCM Message request.
        URL url = new URL("https://gcm-http.googleapis.com/gcm/send");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Authorization", "key=" + API_KEY);
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);

        System.out.println("The payload is: " + jGcmData.toString());
        // Send GCM message content.
        OutputStream outputStream = conn.getOutputStream();
        outputStream.write(jGcmData.toString().getBytes());

        // Read GCM response.
        InputStream inputStream = conn.getInputStream();
        resp = IOUtils.toString(inputStream);

        if (resp == null || resp.trim().equals("")) {
            System.out.println("Got a Null Response from the server. Unable to send GCM message.");
            return null;
        } else {
            System.out.println("the response from GCM server is: " + resp);
            System.out.println("Check your device/emulator for notification or logcat for "
                    + "confirmation of the receipt of the GCM message.");
        }
        JSONObject jResp = null;
        try {
            jResp = new JSONObject(resp);
        } catch (JSONException jsone) {
            jsone.printStackTrace();
        }
        int rSuccess = jResp.getInt("success");
        int rFailure = jResp.getInt("failure");
        if (rSuccess == 0 && rFailure > 0)
            System.out.println(
                    "Failed sending message to the recipient. Total no. of devices for the user. " + rFailure);
        else if (rSuccess > 0 && rFailure == 0)
            System.out.println("Success sending message to all receipients. Total no. of devices for the user "
                    + rSuccess);
        else
            System.out.println("Partial success. Success sending to " + rSuccess
                    + " devices. And failed sending to " + rFailure + " devices");
    } catch (IOException e) {
        Logger.logError("Unable to send GCM message.", e);
    }

    return resp;
}

---

From source file:eu.geopaparazzi.library.network.NetworkUtilities.java

/**
 * Sends a string via POST to a given url.
 * /* ww w. j  a v  a 2s  .c o m*/
 * @param urlStr the url to which to send to.
 * @param string the string to send as post body.
 * @param user the user or <code>null</code>.
 * @param password the password or <code>null</code>.
 * @return the response.
 * @throws Exception
 */
public static String sendPost(String urlStr, String string, String user, String password) throws Exception {
    BufferedOutputStream wr = null;
    HttpURLConnection conn = null;
    try {
        conn = makeNewConnection(urlStr);
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        // conn.setChunkedStreamingMode(0);
        conn.setUseCaches(false);
        if (user != null && password != null) {
            conn.setRequestProperty("Authorization", getB64Auth(user, password));
        }
        conn.connect();

        // Make server believe we are form data...
        wr = new BufferedOutputStream(conn.getOutputStream());
        byte[] bytes = string.getBytes();
        wr.write(bytes);
        wr.flush();

        int responseCode = conn.getResponseCode();
        StringBuilder returnMessageBuilder = new StringBuilder();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            while (true) {
                String line = br.readLine();
                if (line == null)
                    break;
                returnMessageBuilder.append(line + "\n");
            }
            br.close();
        }

        return returnMessageBuilder.toString();
    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    } finally {
        if (conn != null)
            conn.disconnect();
    }
}

---

From source file:com.mnt.base.util.HttpUtil.java

public static String processPostRequest2Text(String url, Map<String, Object> parameters,
        Map<String, String> headerValue) {

    HttpURLConnection connection = null;

    try {//www  .j  ava2 s.  co  m
        connection = (HttpURLConnection) new URL(url).openConnection();
    } catch (IOException e) {
        log.error("Error while process http get request.", e);
    }

    if (connection != null) {
        try {
            connection.setRequestMethod("POST");
            connection.setDoOutput(true);
        } catch (ProtocolException e) {
            log.error("should not happen to get error while set the request method as GET.", e);
        }

        if (!CommonUtil.isEmpty(headerValue)) {
            for (String key : headerValue.keySet()) {
                connection.setRequestProperty(key, headerValue.get(key));
            }
        }

        // need to specify the content type for post request
        connection.setRequestProperty("Content-Type", "application/json");

        setTimeout(connection);

        String resultStr = null;

        try {
            connection.connect();

            if (parameters != null) {
                String jsonParams = null;

                try {
                    jsonParams = JSONTool.convertObjectToJson(parameters);
                } catch (Exception e) {
                    log.error("error while process parameters to json string.", e);
                }

                if (jsonParams != null) {
                    connection.getOutputStream().write(jsonParams.getBytes());
                    connection.getOutputStream().flush();
                }
            }

            resultStr = readData(connection.getInputStream());
        } catch (IOException e) {
            log.error("fail to connect to url: " + url, e);
        } finally {
            connection.disconnect();
        }

        return resultStr;
    }

    return null;
}

---

From source file:vocab.VocabUtils.java

/**
 * Jena fails to load models in https with content negotiation. Therefore I do
 * the negotiation here directly/* w  ww  .  j a v  a  2s.  c  o m*/
 */
private static void doContentNegotiation(OntModel model, Vocabulary v, String accept, String serialization) {
    try {
        model.read(v.getUri(), null, serialization);

    } catch (Exception e) {
        try {
            System.out.println("Failed to read the ontology. Doing content negotiation");
            URL url = new URL(v.getUri());
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setRequestMethod("GET");
            connection.setInstanceFollowRedirects(true);
            connection.setRequestProperty("Accept", accept);

            int status = connection.getResponseCode();
            if (status == HttpURLConnection.HTTP_SEE_OTHER || status == HttpURLConnection.HTTP_MOVED_TEMP
                    || status == HttpURLConnection.HTTP_MOVED_PERM) {
                String newUrl = connection.getHeaderField("Location");
                //v.setUri(newUrl);
                connection = (HttpURLConnection) new URL(newUrl).openConnection();
                connection.setRequestProperty("Accept", accept);
                InputStream in = (InputStream) connection.getInputStream();
                model.read(in, null, serialization);
            }
        } catch (Exception e2) {
            System.out.println("Failed to read the ontology");
        }
    }
}

---

From source file:com.mingsoft.weixin.util.UploadDownUtils.java

/**
 * ? /*  ww w  .  j  av a 2s  . c  o m*/
 * 
 * @return
 */
@Deprecated
public static String downMedia(String access_token, String msgType, String media_id, String path) {
    String localFile = null;
    //      SimpleDateFormat df = new SimpleDateFormat("/yyyyMM/");
    try {
        String url = "http://file.api.weixin.qq.com/cgi-bin/media/get?access_token=" + access_token
                + "&media_id=" + media_id;
        // log.error(path);
        // ? ?
        URL urlObj = new URL(url);
        HttpURLConnection conn = (HttpURLConnection) urlObj.openConnection();
        conn.setRequestMethod("GET");
        conn.setConnectTimeout(5000);
        String xx = conn.getHeaderField("Content-disposition");
        try {
            log.debug("===? +==?==" + xx);
            if (xx == null) {
                InputStream in = conn.getInputStream();
                BufferedReader reader = new BufferedReader(new InputStreamReader(in, "utf-8"));
                String line = null;
                String result = null;
                while ((line = reader.readLine()) != null) {
                    if (result == null) {
                        result = line;
                    } else {
                        result += line;
                    }
                }
                System.out.println(result);
                JSONObject dataJson = JSONObject.parseObject(result);
                return dataJson.getString("errcode");
            }
        } catch (Exception e) {
        }
        if (conn.getResponseCode() == 200) {
            String Content_disposition = conn.getHeaderField("Content-disposition");
            InputStream inputStream = conn.getInputStream();
            // // ?
            // Long fileSize = conn.getContentLengthLong();
            //  +
            String savePath = path + "/" + msgType;
            // ??
            String fileName = StringUtil.getDateSimpleStr()
                    + Content_disposition.substring(Content_disposition.lastIndexOf(".")).replace("\"", "");
            // 
            File saveDirFile = new File(savePath);
            if (!saveDirFile.exists()) {
                saveDirFile.mkdirs();
            }
            // ??
            if (!saveDirFile.canWrite()) {
                log.error("??");
                throw new Exception();
            }
            // System.out.println("------------------------------------------------");
            // ?
            File file = new File(saveDirFile + "/" + fileName);
            FileOutputStream outStream = new FileOutputStream(file);
            int len = -1;
            byte[] b = new byte[1024];
            while ((len = inputStream.read(b)) != -1) {
                outStream.write(b, 0, len);
            }
            outStream.flush();
            outStream.close();
            inputStream.close();
            // ?
            localFile = fileName;
        }
    } catch (Exception e) {
        log.error("? !", e);
    } finally {

    }
    return localFile;
}

---

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 va2  s.  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:com.francetelecom.clara.cloud.paas.it.services.helper.PaasServicesEnvApplicationAccessHelper.java

/**
 * Check if a string appear in the html page
 *
 * @param url//  w  w w .  ja  v a  2s .  c o  m
 *            URL to test
 * @param token
 *            String that must be in html page
 * @return Cookie that identifies the was or null if the test failed. An
 *         empty string means that no cookie was found in the request, but
 *         the check succeeded.
 */
private static String checkStringAndReturnCookie(URL url, String token, String httpProxyHost,
        int httpProxyPort) {
    InputStream is = null;
    String cookie = null;
    try {
        HttpURLConnection connection;
        if (httpProxyHost != null) {
            Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(httpProxyHost, httpProxyPort));
            connection = (HttpURLConnection) url.openConnection(proxy);
        } else {
            connection = (HttpURLConnection) url.openConnection();
        }
        connection.setRequestMethod("GET");

        is = connection.getInputStream();
        // check http status code
        if (connection.getResponseCode() == 200) {
            DataInputStream dis = new DataInputStream(new BufferedInputStream(is));
            StringWriter writer = new StringWriter();
            IOUtils.copy(dis, writer, "UTF-8");
            if (writer.toString().contains(token)) {
                cookie = connection.getHeaderField("Set-Cookie");
                if (cookie == null)
                    cookie = "";
            } else {
                logger.info("URL " + url.getFile() + " returned code 200 but does not contain keyword '" + token
                        + "'");
                logger.debug("1000 first chars of response body: " + writer.toString().substring(0, 1000));
            }
        } else {
            logger.error("URL " + url.getFile() + " returned code " + connection.getResponseCode() + " : "
                    + connection.getResponseMessage());
            if (System.getProperty("http.proxyHost") != null) {
                logger.info("Using proxy=" + System.getProperty("http.proxyHost") + ":"
                        + System.getProperty("http.proxyPort"));
            }
        }
    } catch (IOException e) {
        logger.error("URL test failed: " + url.getFile() + " => " + e.getMessage() + " ("
                + e.getClass().getName() + ")");
        if (System.getProperty("http.proxyHost") != null) {
            logger.info("Using proxy=" + System.getProperty("http.proxyHost") + ":"
                    + System.getProperty("http.proxyPort"));
        }
    } finally {
        try {
            if (is != null) {
                is.close();
            }
        } catch (IOException ioe) {
            // just going to ignore this one
        }
    }
    return cookie;

}

---

From source file:BihuHttpUtil.java

/**
 * ??HTTPJSON?//from ww w. java  2 s  .com
 * @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();
}

---

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