Example usage for java.net HttpURLConnection getOutputStream

List of usage examples for java.net HttpURLConnection getOutputStream

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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:javaphpmysql.JavaPHPMySQL.java

public static void sendPost() {
    //Creamos un objeto JSON
    JSONObject jsonObj = new JSONObject();
    //Aadimos el nombre, apellidos y email del usuario
    jsonObj.put("nombre", nombre);
    jsonObj.put("apellidos", apellidos);
    jsonObj.put("email", email);
    //Creamos una lista para almacenar el JSON
    List l = new LinkedList();
    l.addAll(Arrays.asList(jsonObj));
    //Generamos el String JSON
    String jsonString = JSONValue.toJSONString(l);
    System.out.println("JSON GENERADO:");
    System.out.println(jsonString);
    System.out.println("");

    try {/*from   w  ww  .  j av a  2  s.co  m*/
        //Codificar el json a URL
        jsonString = URLEncoder.encode(jsonString, "UTF-8");
        //Generar la URL
        String url = SERVER_PATH + "listenPost.php";
        //Creamos un nuevo objeto URL con la url donde queremos enviar el JSON
        URL obj = new URL(url);
        //Creamos un objeto de conexin
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
        //Aadimos la cabecera
        con.setRequestMethod("POST");
        con.setRequestProperty("User-Agent", USER_AGENT);
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
        //Creamos los parametros para enviar
        String urlParameters = "json=" + jsonString;
        // Enviamos los datos por POST
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();
        //Capturamos la respuesta del servidor
        int responseCode = con.getResponseCode();
        System.out.println("\nSending 'POST' request to URL : " + url);
        System.out.println("Post parameters : " + urlParameters);
        System.out.println("Response Code : " + responseCode);

        BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        //Mostramos la respuesta del servidor por consola
        System.out.println(response);
        //cerramos la conexin
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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

/**
 * Perform 2-way sync with the server-side ADSampleFrames. We send a request that
 * includes all the locally-dirty contacts so that the server can process
 * those changes, and we receive (and return) a list of contacts that were
 * updated on the server-side that need to be updated locally.
 *
 * @param account The account being synced
 * @param authtoken The authtoken stored in the AccountManager for this
 *            account/* ww  w .j  av a 2  s  . c  om*/
 * @param serverSyncState A token returned from the server on the last sync
 * @param dirtyFrames A list of the frames to send to the server
 * @return A list of frames that we need to update locally
 */
public static List<ADSampleFrame> syncSampleFrames(Account account, String authtoken, long serverSyncState,
        List<ADSampleFrame> dirtyFrames)
        throws JSONException, ParseException, IOException, AuthenticationException {

    List<JSONObject> jsonFrames = new ArrayList<JSONObject>();
    for (ADSampleFrame frame : dirtyFrames) {
        jsonFrames.add(frame.toJSONObject());
    }

    JSONArray buffer = new JSONArray(jsonFrames);
    JSONObject top = new JSONObject();

    top.put("data", buffer);

    // Create an array that will hold the server-side ADSampleFrame
    // that have been changed (returned by the server).
    final ArrayList<ADSampleFrame> serverDirtyList = new ArrayList<ADSampleFrame>();

    // Send the updated frames data to the server
    //Log.i(TAG, "Syncing to: " + SYNC_URI);
    URL urlToRequest = new URL(SYNC_URI);
    HttpURLConnection conn = (HttpURLConnection) urlToRequest.openConnection();
    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/json");
    conn.setRequestProperty("Authorization", "Bearer " + authtoken);

    OutputStream os = conn.getOutputStream();
    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
    writer.write(top.toString(1));
    writer.flush();
    writer.close();
    os.close();

    //Log.i(TAG, "body="+top.toString(1));

    int responseCode = conn.getResponseCode();

    if (responseCode == HttpsURLConnection.HTTP_OK) {
        // Our request to the server was successful - so we assume
        // that they accepted all the changes we sent up, and
        // that the response includes the contacts that we need
        // to update on our side...

        // TODO: Only uploading data for now ...

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

        //Log.i(TAG, "response="+response);
        /*
        final JSONArray serverContacts = new JSONArray(response);
        Log.d(TAG, response);
        for (int i = 0; i < serverContacts.length(); i++) {
        ADSampleFrame rawContact = ADSampleFrame.valueOf(serverContacts.getJSONObject(i));
        if (rawContact != null) {
            serverDirtyList.add(rawContact);
        }
        }
        */
    } else {
        if (responseCode == HttpsURLConnection.HTTP_UNAUTHORIZED) {
            Log.e(TAG, "Authentication exception in while uploading data");
            throw new AuthenticationException();
        } else {
            Log.e(TAG, "Server error in sending sample frames: " + responseCode);
            throw new IOException();
        }
    }

    return null;
}

From source file:com.fluidops.iwb.luxid.LuxidExtractor.java

public static String authenticate() throws Exception {
    String token = "";

    /* ***** Authentication ****** */
    String auth = "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" "
            + "xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"> <SOAP-ENV:Body> <ns1:authenticate xmlns:ns1=\"http://luxid.temis.com/ws/types\"> "
            + "<ns1:userName>" + Config.getConfig().getLuxidUserName() + "</ns1:userName> <ns1:userPassword>"
            + Config.getConfig().getLuxidPassword()
            + "</ns1:userPassword> </ns1:authenticate> </SOAP-ENV:Body> </SOAP-ENV:Envelope>";
    URL authURL = new URL(Config.getConfig().getLuxidServerURL());

    HttpURLConnection authconn = (HttpURLConnection) authURL.openConnection();
    authconn.setRequestMethod("POST");
    authconn.setDoOutput(true);/*from   w  w w. ja va 2 s  . c  o  m*/

    authconn.getOutputStream().write(auth.getBytes());

    if (authconn.getResponseCode() == HttpURLConnection.HTTP_OK) {
        InputStream stream = authconn.getInputStream();

        InputStreamReader read = new InputStreamReader(stream);
        BufferedReader rd = new BufferedReader(read);

        String line = "";

        if ((line = rd.readLine()) != null) {
            token = line.substring(line.indexOf("<token>") + "<token>".length(), line.indexOf("</token>"));
        }
        rd.close();
    }
    return token;
}

From source file:com.zf.util.Post_NetNew.java

/**
 * ?//from  ww w.j a v  a 2 s .  c om
 * 
 * @param pams
 * @param ip
 * @param port
 * @return
 * @throws Exception
 */
public static String pn(Map<String, String> pams, String ip, int port) throws Exception {
    if (null == pams) {
        return "";
    }
    InetSocketAddress addr = new InetSocketAddress(ip, port);
    Proxy proxy = new Proxy(Type.HTTP, addr);
    String strtmp = "url";
    URL url = new URL(pams.get(strtmp));
    pams.remove(strtmp);
    strtmp = "body";
    String body = pams.get(strtmp);
    pams.remove(strtmp);
    strtmp = "POST";
    if (StringUtils.isEmpty(body))
        strtmp = "GET";
    HttpURLConnection httpConn = (HttpURLConnection) url.openConnection(proxy);
    httpConn.setConnectTimeout(30000);
    httpConn.setReadTimeout(30000);
    httpConn.setUseCaches(false);
    httpConn.setRequestMethod(strtmp);
    for (String pam : pams.keySet()) {
        httpConn.setRequestProperty(pam, pams.get(pam));
    }
    if ("POST".equals(strtmp)) {
        httpConn.setDoOutput(true);
        httpConn.setDoInput(true);
        DataOutputStream dos = new DataOutputStream(httpConn.getOutputStream());
        dos.writeBytes(body);
        dos.flush();
    }
    int resultCode = httpConn.getResponseCode();
    StringBuilder sb = new StringBuilder();
    sb.append(resultCode).append("\n");
    String readLine;
    InputStream stream;
    try {
        stream = httpConn.getInputStream();
    } catch (Exception ignored) {
        stream = httpConn.getErrorStream();
    }
    try {
        BufferedReader responseReader = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
        while ((readLine = responseReader.readLine()) != null) {
            sb.append(readLine).append("\n");
        }
    } catch (Exception ignored) {
    }

    return sb.toString();
}

From source file:com.amazon.pay.impl.Util.java

/**
 * This method uses HttpURLConnection instance to make requests.
 *
 * @param method The HTTP method (GET,POST,PUT,etc.).
 * @param url The URL//from   w w  w . j  a v  a2s  . c  om
 * @param urlParameters URL Parameters
 * @param headers Header key-value pairs
 * @return ResponseData
 * @throws IOException
 */
public static ResponseData httpSendRequest(String method, String url, String urlParameters,
        Map<String, String> headers) throws IOException {
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();
    if (headers != null && !headers.isEmpty()) {
        for (String key : headers.keySet()) {
            con.setRequestProperty(key, headers.get(key));
        }
    }
    con.setDoOutput(true);
    con.setRequestMethod(method);
    if (urlParameters != null) {
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeBytes(urlParameters);
        wr.flush();
        wr.close();
    }
    int responseCode = con.getResponseCode();

    BufferedReader in;
    if (responseCode != 200) {
        in = new BufferedReader(new InputStreamReader(con.getErrorStream()));
    } else {
        in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    }
    String inputLine;
    StringBuffer response = new StringBuffer();
    while ((inputLine = in.readLine()) != null) {
        response.append(inputLine).append(LINE_SEPARATOR);
    }
    in.close();
    return new ResponseData(responseCode, response.toString());
}

From source file:edu.dartmouth.cs.dartcard.HttpUtilities.java

private static HttpURLConnection makeGetConnection(URL url, byte[] bytes) throws IOException {
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setDoOutput(true);/*from  ww  w.j  a  v a2 s  . co  m*/
    conn.setUseCaches(false);
    conn.setFixedLengthStreamingMode(bytes.length);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");

    OutputStream out = conn.getOutputStream();
    out.write(bytes);
    out.close();

    return conn;
}

From source file:net.daporkchop.porkselfbot.util.HTTPUtils.java

/**
 * Performs a POST request to the specified URL and returns the result.
 * <p />//w  ww  .j  a va  2 s. c  o  m
 * The POST data will be encoded in UTF-8 as the specified contentType. The response will be parsed as UTF-8.
 * If the server returns an error but still provides a body, the body will be returned as normal.
 * If the server returns an error without any body, a relevant {@link java.io.IOException} will be thrown.
 *
 * @param url URL to submit the POST request to
 * @param post POST data in the correct format to be submitted
 * @param contentType Content type of the POST data
 * @return Raw text response from the server
 * @throws IOException The request was not successful
 */
public static String performPostRequest(final URL url, final String post, final String contentType)
        throws IOException {
    Validate.notNull(url);
    Validate.notNull(post);
    Validate.notNull(contentType);
    final HttpURLConnection connection = createUrlConnection(url);
    final byte[] postAsBytes = post.getBytes(Charsets.UTF_8);

    connection.setRequestProperty("Content-Type", contentType + "; charset=utf-8");
    connection.setRequestProperty("Content-Length", "" + postAsBytes.length);
    connection.setDoOutput(true);

    OutputStream outputStream = null;
    try {
        outputStream = connection.getOutputStream();
        IOUtils.write(postAsBytes, outputStream);
    } finally {
        IOUtils.closeQuietly(outputStream);
    }

    InputStream inputStream = null;
    try {
        inputStream = connection.getInputStream();
        final String result = IOUtils.toString(inputStream, Charsets.UTF_8);
        return result;
    } catch (final IOException e) {
        IOUtils.closeQuietly(inputStream);
        inputStream = connection.getErrorStream();

        if (inputStream != null) {
            final String result = IOUtils.toString(inputStream, Charsets.UTF_8);
            return result;
        } else {
            throw e;
        }
    } finally {
        IOUtils.closeQuietly(inputStream);
    }
}

From source file:com.intellij.lang.jsgraphql.languageservice.JSGraphQLNodeLanguageServiceClient.java

private static <R> R executeRequest(Request request, Class<R> responseClass, @NotNull Project project,
        boolean setProjectDir) {

    URL url = getJSGraphQLNodeLanguageServiceInstance(project, setProjectDir);
    if (url == null) {
        return null;
    }/*from   ww  w . j a  v  a 2s .  c  o  m*/
    HttpURLConnection httpConnection = null;
    try {
        httpConnection = (HttpURLConnection) url.openConnection();
        httpConnection.setConnectTimeout(50);
        httpConnection.setReadTimeout(1000);
        httpConnection.setRequestMethod("POST");
        httpConnection.setDoOutput(true);
        httpConnection.setRequestProperty("Content-Type", "application/json");
        httpConnection.connect();
        try (OutputStreamWriter writer = new OutputStreamWriter(httpConnection.getOutputStream())) {
            final String jsonRequest = new Gson().toJson(request);
            writer.write(jsonRequest);
            writer.flush();
            writer.close();
        }
        if (httpConnection.getResponseCode() == 200) {
            if (responseClass == null) {
                return null;
            }
            try (InputStream inputStream = httpConnection.getInputStream()) {
                String jsonResponse = IOUtils.toString(inputStream, "UTF-8");
                R response = new Gson().fromJson(jsonResponse, responseClass);
                return response;
            }
        } else {
            log.warn("Got error from JS GraphQL Language Service: HTTP " + httpConnection.getResponseCode()
                    + ": " + httpConnection.getResponseMessage());
        }
    } catch (IOException e) {
        log.warn("Unable to connect to dev server", e);
    } finally {
        if (httpConnection != null) {
            httpConnection.disconnect();
        }
    }
    return null;
}

From source file:flow.visibility.tapping.OpenDaylightHelper.java

/** The function for inserting the flow */

public static boolean installFlow(JSONObject postData, String user, String password, String baseURL) {

    StringBuffer result = new StringBuffer();

    /** Check the connection to ODP REST API page */

    try {//  w w w . j  a  v  a2 s. c om

        if (!baseURL.contains("http")) {
            baseURL = "http://" + baseURL;
        }
        baseURL = baseURL + "/controller/nb/v2/flowprogrammer/default/node/OF/"
                + postData.getJSONObject("node").get("id") + "/staticFlow/" + postData.get("name");

        /** Create URL = base URL + container */
        URL url = new URL(baseURL);

        /** Create authentication string and encode it to Base64*/
        String authStr = user + ":" + password;
        String encodedAuthStr = Base64.encodeBase64String(authStr.getBytes());

        /** Create Http connection */
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();

        /** Set connection properties */
        connection.setRequestMethod("PUT");
        connection.setRequestProperty("Authorization", "Basic " + encodedAuthStr);
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setUseCaches(false);
        connection.setDoInput(true);
        connection.setDoOutput(true);

        /** Set JSON Post Data */
        OutputStream os = connection.getOutputStream();
        os.write(postData.toString().getBytes());
        os.close();

        /** Get the response from connection's inputStream */
        InputStream content = (InputStream) connection.getInputStream();
        BufferedReader in = new BufferedReader(new InputStreamReader(content));
        String line = "";
        while ((line = in.readLine()) != null) {
            result.append(line);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    /** checking the result of REST API connection */

    if ("success".equalsIgnoreCase(result.toString())) {
        return true;
    } else {
        return false;
    }
}

From source file:com.baasbox.service.push.providers.GCMServer.java

public static void validateApiKey(String apikey)
        throws MalformedURLException, IOException, PushInvalidApiKeyException {
    Message message = new Message.Builder().addData("message", "validateAPIKEY").build();
    Sender sender = new Sender(apikey);

    List<String> deviceid = new ArrayList<String>();
    deviceid.add("ABC");

    Map<Object, Object> jsonRequest = new HashMap<Object, Object>();
    jsonRequest.put(JSON_REGISTRATION_IDS, deviceid);
    Map<String, String> payload = message.getData();
    if (!payload.isEmpty()) {
        jsonRequest.put(JSON_PAYLOAD, payload);
    }/* ww  w.  ja  v  a  2 s .  com*/
    String requestBody = JSONValue.toJSONString(jsonRequest);

    String url = com.google.android.gcm.server.Constants.GCM_SEND_ENDPOINT;
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();

    byte[] bytes = requestBody.getBytes();

    conn.setDoOutput(true);
    conn.setUseCaches(false);
    conn.setFixedLengthStreamingMode(bytes.length);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/json");
    conn.setRequestProperty("Authorization", "key=" + apikey);
    OutputStream out = conn.getOutputStream();
    out.write(bytes);
    out.close();

    int status = conn.getResponseCode();
    if (status != 200) {
        if (status == 401) {
            throw new PushInvalidApiKeyException("Wrong api key");
        }
        if (status == 503) {
            throw new UnknownHostException();
        }
    }

}