Example usage for java.net HttpURLConnection disconnect

List of usage examples for java.net HttpURLConnection disconnect

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Introduction

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

Prototype

public abstract void disconnect();

Source Link

Document

Indicates that other requests to the server are unlikely in the near future.

Usage

From source file:edu.umn.cs.spatialHadoop.nasa.HTTPInputStream.java

private long getContentLength() throws IOException {
    if (length < 0) {
        int retries = Math.max(1, HTTPFileSystem.retries);
        HttpURLConnection localConn = null;
        while (localConn == null && retries-- > 0) {
            try {
                localConn = (HttpURLConnection) url.openConnection();
            } catch (java.net.SocketException e) {
                if (retries == 0)
                    throw e;
                LOG.info("Error accessing file '" + url + "'. Trials left: " + retries);
            } catch (java.net.UnknownHostException e) {
                if (retries == 0)
                    throw e;
                LOG.info("Error accessing file '" + url + "'. Trials left: " + retries);
            }/*  www  . j  a va2 s.c om*/
        }
        length = localConn.getContentLength();
        localConn.disconnect();
    }
    return length;
}

From source file:eu.creatingfuture.propeller.webLoader.servlets.WebRequestServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.addHeader("Access-Control-Allow-Origin", "*");
    String getUrl = req.getParameter("get");
    if (getUrl == null) {
        resp.sendError(400);//from   w ww . j  av  a 2  s . c o  m
        return;
    }
    logger.info(getUrl);
    URL url;
    HttpURLConnection connection = null;
    try {
        url = new URL(getUrl);
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        connection.setUseCaches(false);

        resp.setContentType(connection.getContentType());
        resp.setContentLengthLong(connection.getContentLengthLong());
        logger.log(Level.INFO, "Content length: {0} response code: {1} content type: {2}", new Object[] {
                connection.getContentLengthLong(), connection.getResponseCode(), connection.getContentType() });
        resp.setStatus(connection.getResponseCode());
        IOUtils.copy(connection.getInputStream(), resp.getOutputStream());
    } catch (IOException ioe) {
        resp.sendError(500, ioe.getMessage());
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
}

From source file:com.kinvey.business_logic.collection_access.MongoRequest.java

private HttpResponse makeRequest() throws CollectionAccessException {
    KinveyAuthCredentials authCredentials = KinveyAuthCredentials.getInstance();

    try {//  ww  w  . j  a  v a  2  s . co  m
        String encodedUrl = this.protocol + "://" + this.baseUrl + "/" + authCredentials.getAppId() + "/"
                + this.collection.collectionName + "/" + this.collectionOperation.getEndPoint();

        String userPass = authCredentials.getAppId() + ":" + authCredentials.getMasterSecret();
        String authString = "Basic " + new String(Base64.encode(userPass), "UTF-8");

        URL url = new URL(encodedUrl);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");
        conn.setRequestProperty("Authorization", authString);

        String input = buildBody();

        OutputStream os = conn.getOutputStream();
        os.write(input.getBytes());
        os.flush();

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));

        String tmpOutput;
        String contentBody = "";
        while ((tmpOutput = br.readLine()) != null) {
            contentBody += tmpOutput;
        }
        conn.disconnect();

        HttpResponse response = new HttpResponse(contentBody);

        return response;

    } catch (IOException e) {
        throw new CollectionAccessException(e);
    }
}

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

/**
 * Sends a string via POST to a given url.
 * // w  w w  .ja v  a  2 s .  com
 * @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:org.runnerup.export.EndomondoSynchronizer.java

@Override
public Status getFeed(FeedUpdater feedUpdater) {
    Status s;//from  ww  w. ja v a2  s.com
    if ((s = connect()) != Status.OK) {
        return s;
    }

    StringBuilder url = new StringBuilder();
    url.append(FEED_URL).append("?authToken=").append(authToken);
    url.append("&maxResults=25");

    HttpURLConnection conn = null;
    Exception ex = null;
    try {
        conn = (HttpURLConnection) new URL(url.toString()).openConnection();
        conn.setRequestMethod(RequestMethod.GET.name());
        final InputStream in = new BufferedInputStream(conn.getInputStream());
        final JSONObject reply = SyncHelper.parse(in);
        int responseCode = conn.getResponseCode();
        String amsg = conn.getResponseMessage();

        conn.disconnect();

        if (responseCode == HttpStatus.SC_OK) {
            parseFeed(feedUpdater, reply);
            return Status.OK;
        }
        ex = new Exception(amsg);
    } catch (IOException e) {
        ex = e;
    } catch (JSONException e) {
        ex = e;
    }

    s = Synchronizer.Status.ERROR;
    s.ex = ex;
    if (ex != null) {
        ex.printStackTrace();
    }
    return s;
}

From source file:eu.semlibproject.annotationserver.restapis.ServicesAPI.java

/**
 * Implement a simple proxy//from  w  w  w. ja v  a2  s.  c o  m
 *
 * @param requestedURL the requested URL
 * @param req the HttpServletRequest
 * @return
 */
@GET
@Path("proxy")
public Response proxy(@QueryParam(SemlibConstants.URL_PARAM) String requestedURL,
        @Context HttpServletRequest req) {

    BufferedReader in = null;

    try {
        URL url = new URL(requestedURL);
        URLConnection urlConnection = url.openConnection();

        int proxyConnectionTimeout = ConfigManager.getInstance().getProxyAPITimeout();

        // Set base properties
        urlConnection.setUseCaches(false);
        urlConnection.setConnectTimeout(proxyConnectionTimeout * 1000); // set max response timeout 15 sec

        String acceptedDataFormat = req.getHeader(SemlibConstants.HTTP_HEADER_ACCEPT);
        if (StringUtils.isNotBlank(acceptedDataFormat)) {
            urlConnection.addRequestProperty(SemlibConstants.HTTP_HEADER_ACCEPT, acceptedDataFormat);
        }

        // Open the connection
        urlConnection.connect();

        if (urlConnection instanceof HttpURLConnection) {
            HttpURLConnection httpConnection = (HttpURLConnection) urlConnection;

            int statusCode = httpConnection.getResponseCode();
            if (statusCode == HttpURLConnection.HTTP_MOVED_TEMP
                    || statusCode == HttpURLConnection.HTTP_MOVED_PERM) {
                // Follow the redirect
                String newLocation = httpConnection.getHeaderField(SemlibConstants.HTTP_HEADER_LOCATION);
                httpConnection.disconnect();

                if (StringUtils.isNotBlank(newLocation)) {
                    return this.proxy(newLocation, req);
                } else {
                    return Response.status(statusCode).build();
                }
            } else if (statusCode == HttpURLConnection.HTTP_OK) {

                // Send the response
                StringBuilder sbf = new StringBuilder();

                // Check if the contentType is supported
                boolean contentTypeSupported = false;
                String contentType = httpConnection.getHeaderField(SemlibConstants.HTTP_HEADER_CONTENT_TYPE);
                List<String> supportedMimeTypes = ConfigManager.getInstance().getProxySupportedMimeTypes();
                if (contentType != null) {
                    for (String cMime : supportedMimeTypes) {
                        if (contentType.equals(cMime) || contentType.contains(cMime)) {
                            contentTypeSupported = true;
                            break;
                        }
                    }
                }

                if (!contentTypeSupported) {
                    httpConnection.disconnect();
                    return Response.status(Status.NOT_ACCEPTABLE).build();
                }

                String contentEncoding = httpConnection.getContentEncoding();
                if (StringUtils.isBlank(contentEncoding)) {
                    contentEncoding = "UTF-8";
                }

                InputStreamReader inStrem = new InputStreamReader((InputStream) httpConnection.getContent(),
                        Charset.forName(contentEncoding));
                in = new BufferedReader(inStrem);

                String inputLine;
                while ((inputLine = in.readLine()) != null) {
                    sbf.append(inputLine);
                    sbf.append("\r\n");
                }

                in.close();
                httpConnection.disconnect();

                return Response.status(statusCode).header(SemlibConstants.HTTP_HEADER_CONTENT_TYPE, contentType)
                        .entity(sbf.toString()).build();

            } else {
                httpConnection.disconnect();
                return Response.status(statusCode).build();
            }
        }

        return Response.status(Status.BAD_REQUEST).build();

    } catch (MalformedURLException ex) {
        logger.log(Level.SEVERE, null, ex);
        return Response.status(Status.BAD_REQUEST).build();
    } catch (IOException ex) {
        logger.log(Level.SEVERE, null, ex);
        return Response.status(Status.INTERNAL_SERVER_ERROR).build();
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ex) {
                logger.log(Level.SEVERE, null, ex);
                return Response.status(Status.INTERNAL_SERVER_ERROR).build();
            }
        }
    }
}

From source file:export.NikePlus.java

JSONObject makeGetRequest(String url) throws MalformedURLException, IOException, JSONException {
    HttpURLConnection conn = null;
    try {/*from ww  w  .  j av a2s  . c  om*/
        conn = (HttpURLConnection) new URL(url).openConnection();
        conn.setRequestMethod("GET");
        conn.addRequestProperty("Accept", "application/json");
        conn.addRequestProperty("User-Agent", USER_AGENT);
        conn.addRequestProperty("appid", APP_ID);
        final InputStream in = new BufferedInputStream(conn.getInputStream());
        final JSONObject reply = parse(in);
        final int code = conn.getResponseCode();
        conn.disconnect();
        if (code == 200)
            return reply;
    } finally {
        if (conn != null)
            conn.disconnect();
    }
    return new JSONObject();
}

From source file:com.meetingninja.csse.database.ContactDatabaseAdapter.java

public static List<Contact> addContact(String contactUserID) throws IOException {

    String _url = getBaseUri().build().toString();
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod(IRequest.PUT);
    addRequestHeader(conn, false);//from w w  w.  ja  v a2  s.c o m
    SessionManager session = SessionManager.getInstance();
    String userID = session.getUserID();
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);
    // Build JSON Object for Title
    jgen.writeStartObject();
    jgen.writeStringField(Keys.User.ID, userID);
    jgen.writeArrayFieldStart(Keys.User.CONTACTS);
    jgen.writeStartObject();
    jgen.writeStringField(Keys.User.CONTACTID, contactUserID);
    jgen.writeEndObject();
    jgen.writeEndArray();
    jgen.writeEndObject();
    jgen.close();
    String payload = json.toString("UTF8");
    ps.close();

    sendPostPayload(conn, payload);
    String response = getServerResponse(conn);

    // TODO: put add useful check here
    // User userContact=null;
    // String relationID=null;
    // String result = new String();
    // if (!response.isEmpty()) {
    // JsonNode contactNode = MAPPER.readTree(response);
    // if (!contactNode.has(Keys.User.ID)) {
    // result = "invalid";
    // } else {
    // result = contactNode.get(Keys.User.ID).asText();
    // userContact = getUserInfo(result);
    // relationID = contactNode.get(Keys.User.RELATIONID).asText();
    // }
    // }

    // if (!result.equalsIgnoreCase("invalid"))
    // g.setID(result);
    conn.disconnect();

    // Contact contact = new Contact(userContact,relationID);
    List<Contact> contacts = new ArrayList<Contact>();
    contacts = getContacts(userID);
    return contacts;
}

From source file:com.github.hipchat.api.HipChat.java

public Room getRoom(String roomId) {
    String query = String.format(HipChatConstants.ROOMS_SHOW_QUERY_FORMAT, roomId, HipChatConstants.JSON_FORMAT,
            authToken);//from ww w . j  av a  2s  .  c o  m

    InputStream input = null;
    Room result = null;
    HttpURLConnection connection = null;

    try {
        URL requestUrl = getRequestUrl(HipChatConstants.API_BASE, HipChatConstants.ROOMS_SHOW, query);
        connection = getGetConnection(requestUrl);
        input = connection.getInputStream();
        result = RoomParser.parseRoom(this, input);
    } catch (IOException e) {
        LogMF.error(logger, "IO Exception: {0}", new Object[] { e.getMessage() });
    } finally {
        IOUtils.closeQuietly(input);
        connection.disconnect();
    }

    return result;
}