Example usage for java.net HttpURLConnection getOutputStream

List of usage examples for java.net HttpURLConnection getOutputStream

  1. HOME
  2. Java
  3. java
  4. java.net.*
  5. HttpURLConnection
  6. 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.opensesame.opensesamedoor.GCMSender.GcmSender.java

@Override
protected Long doInBackground(String... params) {
    String message = params[0];/*from w  w w  .j a  va2s  . c o m*/
    String deviceToken = params[1];
    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.trim());
        // Where to send GCM message.
        if (deviceToken != null) {
            jGcmData.put("to", deviceToken.trim());
        } else {
            jGcmData.put("to", "/topics/global");
        }
        // What to send in GCM message.
        jGcmData.put("data", jData);

        // Create connection to send GCM Message request.
        URL url = new URL("https://android.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);

        // Send GCM message content.
        OutputStream outputStream = conn.getOutputStream();
        outputStream.write(jGcmData.toString().getBytes());

        // Read GCM response.
        InputStream inputStream = conn.getInputStream();
        String resp = IOUtils.toString(inputStream);
        System.out.println(resp);
        System.out.println("Check your device/emulator for notification or logcat for "
                + "confirmation of the receipt of the GCM message.");
    } catch (IOException e) {
        System.out.println("Unable to send GCM message.");
        System.out.println("Please ensure that API_KEY has been replaced by the server "
                + "API key, and that the device's registration token is correct (if specified).");
        e.printStackTrace();
    } catch (JSONException e) {
        e.printStackTrace();
    }
    return 1L;
}

From source file:com.youTransactor.uCube.mdm.task.SendLogsTask.java

@Override
protected void start() {
    HttpURLConnection urlConnection = null;

    try {/*from   w ww  . j a  v  a  2  s . co m*/
        urlConnection = MDMManager.getInstance().initRequest(SEND_LOGS_WS + deviceInfos.getPartNumber() + '/'
                + deviceInfos.getSerial() + "?type=" + fileType, MDMManager.POST_METHOD);

        urlConnection.setRequestProperty("Content-Type", "application/octet-stream");

        OutputStream output = urlConnection.getOutputStream();
        IOUtils.copy(in, output);

        HTTPResponseCode = urlConnection.getResponseCode();

        if (HTTPResponseCode == 200) {
            notifyMonitor(TaskEvent.SUCCESS);
            return;
        }

        LogManager.debug(GetConfigTask.class.getSimpleName(), "send logs WS error: " + HTTPResponseCode);

    } catch (Exception e) {
        LogManager.debug(GetConfigTask.class.getSimpleName(), "\"send logs WS error", e);

    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
    }

    notifyMonitor(TaskEvent.FAILED, this);
}

From source file:com.cacacan.sender.GcmSenderRunnable.java

@Override
public void run() {
    LOGGER.info("Started sender thread");
    try {/*from   w w w  .  jav  a2  s  .c om*/
        // Prepare JSON containing the GCM message content. What to send and
        // where to send.
        final JSONObject jGcmData = new JSONObject();
        final JSONObject jData = new JSONObject();
        jData.put("message", message.trim());
        // Where to send GCM message.
        jGcmData.put("to", "/topics/global");

        // What to send in GCM message.
        jGcmData.put("data", jData);

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

        // Send GCM message content.
        final OutputStream outputStream = conn.getOutputStream();
        outputStream.write(jGcmData.toString().getBytes());
        LOGGER.info("Sent message via GCM: " + message);
        // Read GCM response.
        final InputStream inputStream = conn.getInputStream();
        final String resp = IOUtils.toString(inputStream);
        LOGGER.info(resp);
    } catch (IOException | JSONException e) {
        LOGGER.error(
                "Unable to send GCM message.\n" + "Please ensure that API_KEY has been replaced by the server "
                        + "API key, and that the device's registration token is correct (if specified).");
    }
}

From source file:com.example.appengine.java8.LaunchDataflowTemplate.java

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {

    String project = "YOUR_PROJECT_NAME";
    String bucket = "gs://YOUR_BUCKET_NAME";

    ArrayList<String> scopes = new ArrayList<String>();
    scopes.add("https://www.googleapis.com/auth/cloud-platform");
    final AppIdentityService appIdentity = AppIdentityServiceFactory.getAppIdentityService();
    final AppIdentityService.GetAccessTokenResult accessToken = appIdentity.getAccessToken(scopes);

    JSONObject jsonObj = null;/*from  w  ww.  ja  v  a2  s  .  co m*/
    try {
        JSONObject parameters = new JSONObject().put("datastoreReadGqlQuery", "SELECT * FROM Entries")
                .put("datastoreReadProjectId", project).put("textWritePrefix", bucket + "/output/");
        JSONObject environment = new JSONObject().put("tempLocation", bucket + "/tmp/")
                .put("bypassTempDirValidation", false);
        jsonObj = new JSONObject().put("jobName", "template-" + UUID.randomUUID().toString())
                .put("parameters", parameters).put("environment", environment);
    } catch (JSONException e) {
        e.printStackTrace();
    }

    URL url = new URL(String.format("https://dataflow.googleapis.com/v1b3/projects/%s/templates"
            + ":launch?gcs_path=gs://dataflow-templates/latest/Datastore_to_GCS_Text", project));
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setDoOutput(true);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Authorization", "Bearer " + accessToken.getAccessToken());
    conn.setRequestProperty("Content-Type", "application/json");

    OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
    jsonObj.write(writer);
    writer.close();

    int respCode = conn.getResponseCode();
    if (respCode == HttpURLConnection.HTTP_OK) {
        response.setContentType("application/json");
        String line;
        BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        while ((line = reader.readLine()) != null) {
            response.getWriter().println(line);
        }
        reader.close();

    } else {
        StringWriter w = new StringWriter();
        IOUtils.copy(conn.getErrorStream(), w, "UTF-8");
        response.getWriter().println(w.toString());
    }
}

From source file:de.thingweb.discovery.TDRepository.java

/**
 * Update existing TD/*from   w w w.  jav a  2 s.c  o  m*/
 * 
 * @param key in repository (/td/{id})
 * @param content JSON-LD
 * @throws Exception in case of error
 */
public void updateTD(String key, byte[] content) throws Exception {
    URL url = new URL("http://" + repository_uri + key);
    HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
    httpCon.setDoOutput(true);
    httpCon.setRequestProperty("content-type", "application/ld+json");
    httpCon.setRequestMethod("PUT");
    OutputStream out = httpCon.getOutputStream();
    out.write(content);
    out.close();

    //      InputStream is = httpCon.getInputStream();
    //      ByteArrayOutputStream baos = new ByteArrayOutputStream();
    //      int b;
    //      while ((b = is.read()) != -1) {
    //         baos.write(b);
    //      }

    int responseCode = httpCon.getResponseCode();

    httpCon.disconnect();

    if (responseCode != 200) {
        // error
        throw new RuntimeException("ResponseCodeError: " + responseCode);
    }
}

From source file:com.googlecode.jsonrpc4j.JsonRpcHttpClient.java

/**
 * Invokes the given method with the given arguments and returns
 * an object of the given type, or null if void.
 *
 * @see JsonRpcClient#writeRequest(String, Object, java.io.OutputStream, String)
 * @param methodName the name of the method to invoke
 * @param arguments the arguments to the method
 * @param returnType the return type/* w w  w . j  a v a 2  s.c  o  m*/
 * @param extraHeaders extra headers to add to the request
 * @return the return value
 * @throws Throwable on error
 */
public Object invoke(String methodName, Object argument, Type returnType, Map<String, String> extraHeaders)
        throws Throwable {

    // create URLConnection
    HttpURLConnection con = prepareConnection(extraHeaders);
    con.connect();

    // invoke it
    OutputStream ops = con.getOutputStream();
    try {
        super.invoke(methodName, argument, ops);
    } finally {
        ops.close();
    }

    // read and return value
    try {
        InputStream ips = con.getInputStream();
        try {
            // in case of http error try to read response body and return it in exception
            return super.readResponse(returnType, ips);
        } finally {
            ips.close();
        }
    } catch (IOException e) {
        throw new HttpException(readString(con.getErrorStream()), e);
    }
}

From source file:com.gmail.ferusgrim.util.UuidGrabber.java

public Map<String, UUID> call() throws Exception {
    JSONParser jsonParser = new JSONParser();
    Map<String, UUID> responseMap = new HashMap<String, UUID>();

    URL url = new URL("https://api.mojang.com/profiles/minecraft");
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-Type", "application/json");
    connection.setUseCaches(false);//from  w  w  w  .  j  av a2s  .  c o m
    connection.setDoInput(true);
    connection.setDoOutput(true);

    String body = JSONArray.toJSONString(this.namesToLookup);

    OutputStream stream = connection.getOutputStream();
    stream.write(body.getBytes());
    stream.flush();
    stream.close();

    JSONArray array = (JSONArray) jsonParser.parse(new InputStreamReader(connection.getInputStream()));

    for (Object profile : array) {
        JSONObject jsonProfile = (JSONObject) profile;
        String id = (String) jsonProfile.get("id");
        String name = (String) jsonProfile.get("name");
        UUID uuid = Grab.uuidFromResult(id);
        responseMap.put(name, uuid);
    }

    return responseMap;
}

From source file:com.mnxfst.stream.listener.webtrends.WebtrendsTokenRequest.java

private String httpPost(Map<String, String> requestParams) throws Exception {
    final URL url = new URL(authUrl);

    final StringBuilder data = new StringBuilder();
    for (String key : requestParams.keySet())
        data.append(String.format("%s=%s&", key, requestParams.get(key)));

    final String dataString = data.toString();
    final String formData = dataString.substring(0, dataString.length() - 1);

    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod("POST");
    connection.setRequestProperty("Content-type", "application/x-www-form-urlencoded");
    connection.setDoOutput(true);//from   w  w w  . j  ava  2  s. c o  m

    final OutputStream outputStream = connection.getOutputStream();
    final OutputStreamWriter outputStreamWriter = new OutputStreamWriter(outputStream);
    outputStreamWriter.write(formData);
    outputStreamWriter.flush();

    InputStream is = connection.getResponseCode() != 400 ? connection.getInputStream()
            : connection.getErrorStream();

    final BufferedReader rd = new BufferedReader(new InputStreamReader(is));
    final StringBuffer stringBuffer = new StringBuffer();
    String line;
    while ((line = rd.readLine()) != null)
        stringBuffer.append(line);

    outputStreamWriter.close();
    rd.close();

    if (connection.getResponseCode() == 400)
        throw new Exception("error: " + stringBuffer.toString());

    return stringBuffer.toString();
}

From source file:com.dnastack.ga4gh.impl.BeaconizeVariantImpl.java

/**
 * Queries the Variant API implementation for variants at the given position
 *
 * @param reference The reference (or chromosome)
 * @param position  Position on the reference
 * @param alt       The alternate allele to match against (currently not supported by GASearchVariantsRequest)
 * @return A JSON Object containing a GASearchVariantsResponse
 * @throws IOException    Problems contacting API
 * @throws ParseException Problems parsing response
 *//*w w  w .j  a  va2s .c o  m*/
private JSONObject submitVariantSearchRequest(String reference, long position, String alt)
        throws IOException, ParseException {
    JSONObject obj = new JSONObject();

    JSONArray list = new JSONArray();
    list.addAll(Arrays.asList(variantSetIds));

    obj.put("variantSetIds", list);
    obj.put("referenceName", reference);
    obj.put("start", position);
    obj.put("end", (position + 1));

    String json = obj.toJSONString();

    URL url = new URL(fullVariantSearchURL);

    StringBuilder postData = new StringBuilder();
    postData.append(json);

    byte[] postDataBytes = postData.toString().getBytes("UTF-8");

    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/json");
    conn.setRequestProperty("Content-Length", String.valueOf(postDataBytes.length));
    conn.setDoOutput(true);
    conn.getOutputStream().write(postDataBytes);

    StringBuilder sb = new StringBuilder();

    Reader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
    for (int c; (c = in.read()) >= 0;) {
        sb.append((char) c);
    }

    String jsonString = sb.toString();

    return (JSONObject) JSONValue.parseWithException(jsonString);
}

From source file:de.thingweb.discovery.TDRepository.java

/**
 * Adds a ThingDescription to Repository
 * //ww w  . j a v  a2 s  .c  o  m
 * @param content JSON-LD
 * @return key of entry in repository
 * @throws Exception in case of error
 */
public String addTD(byte[] content) throws Exception {
    URL url = new URL("http://" + repository_uri + "/td");
    HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();
    httpCon.setDoOutput(true);
    httpCon.setRequestProperty("content-type", "application/ld+json");
    httpCon.setRequestMethod("POST");
    OutputStream out = httpCon.getOutputStream();
    out.write(content);
    out.close();

    InputStream is = httpCon.getInputStream();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    int b;
    while ((b = is.read()) != -1) {
        baos.write(b);
    }

    int responseCode = httpCon.getResponseCode();

    httpCon.disconnect();

    String key = ""; // new String(baos.toByteArray());

    if (responseCode != 201) {
        // error
        throw new RuntimeException("ResponseCodeError: " + responseCode);
    } else {
        Map<String, List<String>> hf = httpCon.getHeaderFields();
        List<String> los = hf.get("Location");
        if (los != null && los.size() > 0) {
            key = los.get(0);
        }
    }

    return key;
}