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:gribbit.util.RequestBuilder.java

/**
 * Make a GET or POST request, handling up to 6 redirects, and return the response. If isBinaryResponse is true,
 * returns a byte[] array, otherwise returns the response as a String.
 *///from w w  w. ja v  a2 s .  c o m
private static Object makeRequest(String url, String[] keyValuePairs, boolean isGET, boolean isBinaryResponse,
        int redirDepth) {
    if (redirDepth > 6) {
        throw new IllegalArgumentException("Too many redirects");
    }
    HttpURLConnection connection = null;
    try {
        // Add the URL query params if this is a GET request
        String reqURL = isGET ? url + "?" + WebUtils.buildQueryString(keyValuePairs) : url;
        connection = (HttpURLConnection) new URL(reqURL).openConnection();
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.setInstanceFollowRedirects(false);
        connection.setRequestMethod(isGET ? "GET" : "POST");
        connection.setUseCaches(false);
        connection.setRequestProperty("User-Agent",
                "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) "
                        + "Chrome/43.0.2357.125 Safari/537.36");
        if (!isGET) {
            // Send the body if this is a POST request
            connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            connection.setRequestProperty("charset", "utf-8");
            String params = WebUtils.buildQueryString(keyValuePairs);
            connection.setRequestProperty("Content-Length", Integer.toString(params.length()));
            try (DataOutputStream w = new DataOutputStream(connection.getOutputStream())) {
                w.writeBytes(params);
                w.flush();
            }
        }
        if (connection.getResponseCode() == HttpResponseStatus.FOUND.code()) {
            // Follow a redirect. For safety, the params are not passed on, and the method is forced to GET.
            return makeRequest(connection.getHeaderField("Location"), /* keyValuePairs = */null, /* isGET = */
                    true, isBinaryResponse, redirDepth + 1);
        } else if (connection.getResponseCode() == HttpResponseStatus.OK.code()) {
            // For 200 OK, return the text of the response
            if (isBinaryResponse) {
                ByteArrayOutputStream output = new ByteArrayOutputStream(32768);
                IOUtils.copy(connection.getInputStream(), output);
                return output.toByteArray();
            } else {
                StringWriter writer = new StringWriter(1024);
                IOUtils.copy(connection.getInputStream(), writer, "UTF-8");
                return writer.toString();
            }
        } else {
            throw new IllegalArgumentException(
                    "Got non-OK HTTP response code: " + connection.getResponseCode());
        }
    } catch (Exception e) {
        throw new IllegalArgumentException(
                "Exception during " + (isGET ? "GET" : "POST") + " request: " + e.getMessage(), e);
    } finally {
        if (connection != null) {
            try {
                connection.disconnect();
            } catch (Exception e) {
            }
        }
    }
}

---

From source file:com.ibm.stocator.fs.swift.auth.PasswordScopeAccessProvider.java

/**
 * Authentication logic/* w w w.j  a  v a  2  s.  c  o  m*/
 *
 * @return Access JOSS access object
 * @throws IOException if failed to parse the response
 */
public Access passwordScopeAuth() throws IOException {
    InputStreamReader reader = null;
    BufferedReader bufReader = null;
    try {
        JSONObject user = new JSONObject();
        user.put("id", mUserId);
        user.put("password", mPassword);
        JSONObject password = new JSONObject();
        password.put("user", user);
        JSONArray methods = new JSONArray();
        methods.add("password");
        JSONObject identity = new JSONObject();
        identity.put("methods", methods);
        identity.put("password", password);
        JSONObject project = new JSONObject();
        project.put("id", mProjectId);
        JSONObject scope = new JSONObject();
        scope.put("project", project);
        JSONObject auth = new JSONObject();
        auth.put("identity", identity);
        auth.put("scope", scope);
        JSONObject requestBody = new JSONObject();
        requestBody.put("auth", auth);
        HttpURLConnection connection = (HttpURLConnection) new URL(mAuthUrl).openConnection();
        connection.setDoOutput(true);
        connection.setRequestProperty("Accept", "application/json");
        connection.setRequestProperty("Content-Type", "application/json");
        OutputStream output = connection.getOutputStream();
        output.write(requestBody.toString().getBytes());
        int status = connection.getResponseCode();
        if (status != 201) {
            return null;
        }
        reader = new InputStreamReader(connection.getInputStream());
        bufReader = new BufferedReader(reader);
        String res = bufReader.readLine();
        JSONParser parser = new JSONParser();
        JSONObject jsonResponse = (JSONObject) parser.parse(res);

        String token = connection.getHeaderField("X-Subject-Token");
        PasswordScopeAccess access = new PasswordScopeAccess(jsonResponse, token, mPrefferedRegion);
        bufReader.close();
        reader.close();
        connection.disconnect();
        return access;

    } catch (Exception e) {
        if (bufReader != null) {
            bufReader.close();
        }
        if (reader != null) {
            reader.close();
        }
        throw new IOException(e);
    }
}

---

From source file:com.orange.oidc.secproxy_service.HttpOpenidConnect.java

public static boolean logout(String server_url) {

    if (isEmpty(server_url)) {
        Logd(TAG, "revokSite no server url");
        return false;
    }/*from  w  w  w . j  a  v  a 2  s .co  m*/

    if (!server_url.endsWith("/"))
        server_url += "/";

    // get end session endpoint
    String end_session_endpoint = getEndpointFromConfigOidc("end_session_endpoint", server_url);
    if (isEmpty(end_session_endpoint)) {
        Logd(TAG, "logout : could not get end_session_endpoint on server : " + server_url);
        return false;
    }

    // set up connection
    HttpURLConnection huc = getHUC(end_session_endpoint);

    // TAZTAG test
    // huc.setInstanceFollowRedirects(false);
    huc.setInstanceFollowRedirects(true);
    // result : follows redirection is ok for taztag

    huc.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    huc.setDoOutput(true);
    huc.setChunkedStreamingMode(0);
    // prepare parameters
    List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1);

    try {
        // write parameters to http connection
        OutputStream os = huc.getOutputStream();
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(os, "UTF-8"));
        // get URL encoded string from list of key value pairs
        String postParam = getQuery(nameValuePairs);
        Logd("Logout", "url: " + end_session_endpoint);
        Logd("Logout", "POST: " + postParam);
        writer.write(postParam);
        writer.flush();
        writer.close();
        os.close();

        // try to connect
        huc.connect();
        // connexion status
        int responseCode = huc.getResponseCode();
        Logd(TAG, "Logout response: " + responseCode);
        // if 200 - OK
        if (responseCode == 200) {
            return true;
        }
        huc.disconnect();
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }

    return false;
}

---

From source file:net.terryyiu.emailservice.providers.AbstractEmailServiceProvider.java

@Override
public boolean send(Email email) throws IOException {
    HttpURLConnection connection = createConnection();

    // Create a Map from an email object, which can be translated to JSON which
    // the specific email service provider understands.
    Map<String, Object> map = getRequestPostData(email);

    ObjectMapper mapper = new ObjectMapper();
    String json = mapper.writeValueAsString(map);

    DataOutputStream dos = new DataOutputStream(connection.getOutputStream());
    dos.writeBytes(json);//from w w w  .j  a va 2  s. c  o  m
    dos.flush();
    dos.close();

    int responseCode = connection.getResponseCode();
    System.out.println("\nSending 'POST' request to URL : " + getServiceUrl());
    System.out.println("JSON: " + json);
    System.out.println("Response Code : " + responseCode);

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

    while ((inputLine = in.readLine()) != null) {
        response.append(inputLine);
    }
    in.close();

    connection.disconnect();
    return false;
}

---

From source file:com.cloudbees.mtslaves.client.RemoteReference.java

protected HttpURLConnection postJson(HttpURLConnection con, JSONObject json) throws IOException {
    try {/*from  w w w.  j  av  a2  s.c o  m*/
        token.authorizeRequest(con);
        con.setDoOutput(true);
        con.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
        con.connect();

        // send JSON
        OutputStreamWriter w = new OutputStreamWriter(con.getOutputStream(), "UTF-8");
        json.write(w);
        w.close();

        return con;
    } catch (IOException e) {
        throw (IOException) new IOException("Failed to POST to " + url).initCause(e);
    }
}

---

From source file:crow.weibo.util.WeiboUtil.java

public static String multipartPost(HttpURLConnection conn, List<PostParameter> params) throws IOException {
    OutputStream os;// w w w.ja  v a 2 s  .  c o  m
    List<PostParameter> dataparams = new ArrayList<PostParameter>();
    for (PostParameter key : params) {
        if (key.isFile()) {
            dataparams.add(key);
        }
    }

    String BOUNDARY = Util.md5(String.valueOf(System.currentTimeMillis()));

    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setUseCaches(false);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Connection", "Keep-Alive");
    conn.setRequestProperty("Charsert", "UTF-8");

    conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + BOUNDARY);

    ByteArrayBuffer buff = new ByteArrayBuffer(1000);

    for (PostParameter p : params) {
        byte[] arr = p.toMultipartByte(BOUNDARY, "UTF-8");
        buff.append(arr, 0, arr.length);
    }
    String end = "--" + BOUNDARY + "--" + "\r\n";
    byte[] endArr = end.getBytes();
    buff.append(endArr, 0, endArr.length);

    conn.setRequestProperty("Content-Length", buff.length() + "");
    conn.connect();
    os = new BufferedOutputStream(conn.getOutputStream());
    os.write(buff.toByteArray());
    buff.clear();
    os.flush();
    String response = "";
    response = Util.inputStreamToString(conn.getInputStream());
    return response;
}

---

From source file:blueprint.sdk.google.gcm.GcmSender.java

private GcmResponse send(String json) throws IOException {
    HttpURLConnection http = (HttpURLConnection) new URL(GCM_URL).openConnection();
    http.setRequestMethod("POST");
    http.addRequestProperty("Authorization", "key=" + apiKey);
    http.addRequestProperty("Content-Type", "application/json");

    http.setDoOutput(true);/* w  w w . jav  a2s.co  m*/
    OutputStream os = http.getOutputStream();
    os.write(json.getBytes());
    os.close();

    http.connect();

    return decodeResponse(http);
}

---

From source file:com.yahoo.druid.hadoop.DruidHelper.java

protected List<DataSegment> getSegmentsToLoad(String dataSource, Interval interval, String overlordUrl) {
    String urlStr = "http://" + overlordUrl + "/druid/indexer/v1/action";
    logger.info("Sending request to overlord at " + urlStr);

    String requestJson = getSegmentListUsedActionJson(dataSource, interval.toString());
    logger.info("request json is " + requestJson);

    int numTries = 3; //TODO: should be configurable?
    for (int trial = 0; trial < numTries; trial++) {
        try {//from   w  ww .  j a v a 2s .c  om
            logger.info("attempt number {} to get list of segments from overlord", trial);
            URL url = new URL(urlStr);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("POST");
            conn.setRequestProperty("content-type", "application/json");
            conn.setUseCaches(false);
            conn.setDoOutput(true);
            conn.setConnectTimeout(60000); //TODO: 60 secs, shud be configurable?
            OutputStream out = conn.getOutputStream();
            out.write(requestJson.getBytes());
            out.close();
            int responseCode = conn.getResponseCode();
            if (responseCode == 200) {
                ObjectMapper mapper = DruidInitialization.getInstance().getObjectMapper();
                Map<String, Object> obj = mapper.readValue(conn.getInputStream(),
                        new TypeReference<Map<String, Object>>() {
                        });
                return mapper.convertValue(obj.get("result"), new TypeReference<List<DataSegment>>() {
                });
            } else {
                logger.warn(
                        "Attempt Failed to get list of segments from overlord. response code {} , response {}",
                        responseCode, IOUtils.toString(conn.getInputStream()));
            }
        } catch (Exception ex) {
            logger.warn("Exception in getting list of segments from overlord", ex);
        }

        try {
            Thread.sleep(5000); //wait before next trial
        } catch (InterruptedException ex) {
            Throwables.propagate(ex);
        }
    }

    throw new RuntimeException(
            String.format("failed to find list of segments, dataSource[%s], interval[%s], overlord[%s]",
                    dataSource, interval, overlordUrl));
}

---

From source file:org.yawlfoundation.yawl.engine.interfce.Interface_Client.java

/**
 * Submits data on a HTTP connection//from   w  w w .  j a  v a 2s .  c  om
 * @param connection a valid, open HTTP connection
 * @param data the data to submit
 * @throws IOException when there's some kind of communication problem
 */
private void sendData(HttpURLConnection connection, String data) throws IOException {
    OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream(), "UTF-8");
    out.write(data);
    out.close();
}

---

From source file:ai.api.RequestTask.java

@Override
protected String doInBackground(final String... params) {
    final String payload = params[0];
    if (TextUtils.isEmpty(payload)) {
        throw new IllegalArgumentException("payload argument should not be empty");
    }//from w w  w. j  a v a  2  s. c o  m

    String response = null;
    HttpURLConnection connection = null;

    try {
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setDoOutput(true);
        connection.addRequestProperty("Authorization", "Bearer " + accessToken);

        connection.connect();

        final BufferedOutputStream outputStream = new BufferedOutputStream(connection.getOutputStream());
        IOUtils.write(payload, outputStream, Charsets.UTF_8);
        outputStream.close();

        final InputStream inputStream = new BufferedInputStream(connection.getInputStream());
        response = IOUtils.toString(inputStream, Charsets.UTF_8);
        inputStream.close();

        return response;

    } catch (final IOException e) {
        Log.e(TAG,
                "Can't make request to the Speaktoit AI service. Please, check connection settings and API access token.",
                e);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }

    return null;
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »