Example usage for java.net HttpURLConnection disconnect

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:com.meetingninja.csse.database.UserDatabaseAdapter.java

public static List<Meeting> getMeetings(String userID)
        throws JsonParseException, JsonMappingException, IOException {
    // Server URL setup
    String _url = getBaseUri().appendPath("Meetings").appendPath(userID).build().toString();

    // establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod("GET");
    addRequestHeader(conn, false);//w  w w  .  j  a  v  a2 s .  co m

    // Get server response
    int responseCode = conn.getResponseCode();
    String response = getServerResponse(conn);

    // Initialize ObjectMapper
    List<Meeting> meetingsList = new ArrayList<Meeting>();
    List<String> meetingIDList = new ArrayList<String>();
    JsonNode responseNode = MAPPER.readTree(response);
    final JsonNode meetingsArray = responseNode.get(Keys.Meeting.LIST);

    if (meetingsArray != null && meetingsArray.isArray()) {
        for (final JsonNode meetingNode : meetingsArray) {
            String _id = meetingNode.get(Keys._ID).asText();
            if (!meetingNode.get("type").asText().equals("MADE_MEETING")) {
                meetingIDList.add(_id);
            }
        }
    } else {
        logError(TAG, responseNode);
    }

    conn.disconnect();
    for (String id : meetingIDList) {
        meetingsList.add(MeetingDatabaseAdapter.getMeetingInfo(id));
    }
    return meetingsList;
}

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From source file:com.example.android.tvleanback.data.VideoDbBuilder.java

/**
 * Fetch JSON object from a given URL./*from w  w w  .  j  a  v a 2 s. co m*/
 *
 * @return the JSONObject representation of the response
 * @throws JSONException
 * @throws IOException
 */
private JSONObject fetchJSON(String urlString) throws JSONException, IOException {
    BufferedReader reader = null;
    java.net.URL url = new java.net.URL(urlString);
    HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
    try {
        reader = new BufferedReader(new InputStreamReader(urlConnection.getInputStream(), "utf-8"));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = reader.readLine()) != null) {
            sb.append(line);
        }
        String json = sb.toString();
        return new JSONObject(json);
    } finally {
        urlConnection.disconnect();
        if (null != reader) {
            try {
                reader.close();
            } catch (IOException e) {
                Log.e(TAG, "JSON feed closed", e);
            }
        }
    }
}

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From source file:it.polito.tellmefirst.web.rest.apimanager.RestManager.java

public String getStringFromAPI(String urlStr) {
    LOG.debug("[getStringFromAPI] - BEGIN");
    String result = "";
    try {//w  ww.j  ava2 s.  c  o  m
        URL url = new URL(urlStr);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        if (conn.getResponseCode() != 200) {
            System.out.println(conn.getResponseCode() + "***********************************");
            throw new IOException(conn.getResponseMessage());
        }
        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            sb.append(line);
        }
        rd.close();
        conn.disconnect();
        result = sb.toString();
    } catch (Exception e) {
        LOG.error("[getStringFromAPI] - EXCEPTION: ", e);
    }
    LOG.debug("[getStringFromAPI] - END");
    return result;
}

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From source file:org.devnexus.aerogear.HttpRestProvider.java

/**
 * {@inheritDoc}// ww w .j ava  2  s.c  om
 */
@Override
public HeaderAndBody get() throws HttpException {
    HttpURLConnection urlConnection = null;
    try {
        urlConnection = prepareConnection();
        return getHeaderAndBody(urlConnection);

    } catch (IOException e) {
        Log.e(TAG, "Error on GET of " + url, e);
        throw new RuntimeException(e);
    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
    }
}

---

From source file:org.exoplatform.utils.image.ExoPicassoDownloader.java

@Override
public Response load(Uri uri, int networkPolicy) throws IOException {
    // TODO use networkPolicy as in com.squareup.picasso.UrlConnectionDownloader
    // https://github.com/square/picasso/blob/picasso-parent-2.5.2/picasso/src/main/java/com/squareup/picasso/UrlConnectionDownloader.java
    HttpURLConnection connection = connection(uri);
    connection.setInstanceFollowRedirects(true);
    connection.setUseCaches(true);/*from w w  w.  j  av a  2s  .  c om*/

    int responseCode = connection.getResponseCode();
    // Handle HTTP redirections that are not managed by HttpURLConnection
    // automatically, e.g. HTTP -> HTTPS
    // TODO consider using OkHttp instead
    if (responseCode >= 300 && responseCode < 400) {
        String location = connection.getHeaderField("Location");
        connection.disconnect();
        connection = connection(Uri.parse(location));
        connection.setInstanceFollowRedirects(true);
        connection.setUseCaches(true);
        responseCode = connection.getResponseCode();
    }
    // Either the original or the new request have failed -> error
    if (responseCode >= 300) {
        connection.disconnect();
        throw new ResponseException(responseCode + " " + connection.getResponseMessage(), networkPolicy,
                responseCode);
    }

    long contentLength = connection.getHeaderFieldInt("Content-Length", -1);
    // boolean fromCache =
    // parseResponseSourceHeader(connection.getHeaderField(RESPONSE_SOURCE));
    boolean fromCache = false;

    return new Response(connection.getInputStream(), fromCache, contentLength);
}

---

From source file:org.softcatala.traductor.ServerTranslation.java

protected String sendJson(final String langCode, final String text) {
    HttpClient client = new DefaultHttpClient();
    HttpConnectionParams.setConnectionTimeout(client.getParams(), 10000); //Timeout Limit 
    HttpURLConnection uc = null;

    try {//w ww  . j av a 2  s. co m
        String url = BuildURL(langCode, text);
        uc = (HttpURLConnection) new URL(url).openConnection();

        InputStream is = uc.getInputStream();
        String result = toString(is);
        JSONObject json = new JSONObject(result);
        return ((JSONObject) json.get("responseData")).getString("translatedText");
    } catch (Exception e) {
        String msg = _context.getString(R.string.ServerError);
        if (uc != null) {
            uc.disconnect();
        }

        String exceptionMessage = "";

        if (e instanceof UnknownHostException) {
            exceptionMessage = _context.getString(R.string.UnkownHostExceptionMessage);
        } else {
            exceptionMessage = e.toString();
        }

        return String.format(msg, exceptionMessage);
    }
}

---

From source file:com.wisc.cs407project.ImageLoader.ImageLoader.java

private Bitmap getBitmap(String url) {
    File f = fileCache.getFile(url);
    Bitmap b = decodeFile(f);/*from   w ww  .ja v  a  2 s . c  o m*/

    //from Local Directory
    BufferedReader in = null;
    UrlValidator validator = new UrlValidator();
    if (new File(url).exists()) {
        b = decodeFile(new File(url));
        if (b != null)
            return b;
    }

    //from web
    try {
        //check SD cache first
        if (b != null)
            return b;

        Bitmap bitmap = null;
        URL imageUrl = new URL(url);
        HttpURLConnection conn = (HttpURLConnection) imageUrl.openConnection();
        conn.setConnectTimeout(30000);
        conn.setReadTimeout(30000);
        conn.setInstanceFollowRedirects(true);
        InputStream is = conn.getInputStream();
        OutputStream os = new FileOutputStream(f);
        Utils.CopyStream(is, os);
        os.close();
        conn.disconnect();
        bitmap = decodeFile(f);
        return bitmap;
    } catch (Throwable ex) {
        ex.printStackTrace();
        if (ex instanceof OutOfMemoryError)
            memoryCache.clear();
        return null;
    }
}

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From source file:eu.inmite.apps.smsjizdenka.service.UpdateService.java

private InputStream getIS(int addr, boolean online) throws IOException {
    if (!online || LOCAL_DEFINITION_TESTING) {
        if (addr == URL_VERSION_ID) {
            return getResources().getAssets().open(URL_VERSION);
        } else if (addr == URL_TICKETS_ID) {
            return getResources().getAssets().open(URL_TICKETS);
        } else {//from   www  . j a v  a 2 s  .  co m
            throw new IOException("requested addr " + addr + " not found");
        }
    } else {
        URL url;

        if (addr == URL_VERSION_ID) {
            url = new URL(Constants.DATA_URL_BASE + URL_VERSION);
        } else if (addr == URL_TICKETS_ID) {
            url = new URL(Constants.DATA_URL_BASE + URL_TICKETS);
        } else {
            throw new IOException("requested addr " + addr + " not found");
        }

        try {
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setReadTimeout(30000);
            connection.setRequestMethod("GET");
            connection.setDoInput(true);
            connection.setDoOutput(false);

            if (connection.getResponseCode() != 200) {
                connection.disconnect();

                throw new IOException("status " + connection.getResponseCode() + " received");
            }

            if (addr == URL_VERSION_ID) {
                DebugLog.i("Downloading definition version info...");
            } else if (addr == URL_TICKETS_ID) {
                DebugLog.i("Downloading new tickets definition...");
            }

            return connection.getInputStream();
        } catch (SecurityException e) {
            throw new IOException("Internet access denied");
        }
    }
}

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From source file:com.atinternet.tracker.TVTrackingPlugin.java

@Override
protected void execute(Tracker tracker) {
    this.tracker = tracker;
    try {//  w w w.j  ava  2  s.  c om
        if (sessionIsExpired()) {
            setDirectCampaignToRemanent();

            URL url = new URL(tracker.TVTracking().getCampaignURL());
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setReadTimeout(TIMEOUT);
            connection.setConnectTimeout(TIMEOUT);
            connection.setDoInput(true);
            connection.connect();
            response = getTvTrackingResponse(stringifyTvTResponse(connection), connection);
            connection.disconnect();
        } else {
            response = getTvTrackingResponse(
                    Tracker.getPreferences().getString(TrackerConfigurationKeys.DIRECT_CAMPAIGN_SAVED, null),
                    null);
        }
        Tool.executeCallback(tracker.getListener(), Tool.CallbackType.partner, "TV Tracking : " + response);
        Tracker.getPreferences().edit()
                .putLong(TrackerConfigurationKeys.LAST_TVT_EXECUTE_TIME, System.currentTimeMillis()).apply();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:com.reactivetechnologies.jaxrs.RestServerTest.java

static String sendPost(String url, String content) throws IOException {

    StringBuilder response = new StringBuilder();
    HttpURLConnection con = null;
    BufferedReader in = null;/*from   w w w  . j  a v a 2s.  c o m*/
    try {
        URL obj = new URL(url);
        con = (HttpURLConnection) obj.openConnection();

        // optional default is GET
        con.setRequestMethod("POST");

        //add request header
        con.setRequestProperty("User-Agent", "Mozilla/5.0");
        con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

        // Send post request
        con.setDoOutput(true);
        DataOutputStream wr = new DataOutputStream(con.getOutputStream());
        wr.writeUTF(content);
        wr.flush();
        wr.close();

        int responseCode = con.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {
            in = new BufferedReader(new InputStreamReader(con.getInputStream()));
            String inputLine;
            while ((inputLine = in.readLine()) != null) {
                response.append(inputLine);
            }
        } else {
            throw new IOException("Response Code: " + responseCode);
        }

        return response.toString();
    } catch (IOException e) {
        throw e;
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException e) {

            }
        }
        if (con != null) {
            con.disconnect();
        }
    }

}

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