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:Main.java

public static boolean selectServer() {
    boolean status = false;
    for (String host : host_arr) {
        String str = host + Servlet_phone;
        HttpURLConnection conn = null;
        try {//from  w w  w.ja  va2s .c om
            conn = (HttpURLConnection) new URL(str).openConnection();
            conn.setConnectTimeout(4000);
            int result = conn.getResponseCode();
            if (result == HttpURLConnection.HTTP_OK) {
                HOST = str;//
                HOST_PORT = host;
                status = true;
                break;
            } else {
            }
        } catch (MalformedURLException e) {
        } catch (IOException e) {
        } finally {
            if (conn != null) {
                conn.disconnect();
                conn = null;
            }
        }
    }
    return status;
}

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From source file:com.example.admin.processingboilerplate.JsonIO.java

public static StringBuilder load(HttpURLConnection con) {
    StringBuilder sb = new StringBuilder();
    BufferedReader br = null;/*from w ww.ja  v a 2  s .  c  om*/
    try {
        br = new BufferedReader(new InputStreamReader(con.getInputStream(), "UTF-8"));
        String s;
        while ((s = br.readLine()) != null)
            sb.append(s).append('\n');
    } catch (IOException e) {
        Log.e("loadJson", e.getMessage(), e);
    } finally {
        try {
            if (br != null)
                br.close();
            con.disconnect();
        } catch (IOException e) {
            Log.e("loadJson", e.getMessage(), e);
        }
    }
    return sb;
}

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From source file:com.mopaas_mobile.http.BaseHttpRequester.java

public static String doGET(String urlstr, List<BasicNameValuePair> params) throws IOException {
    String result = null;//from w  w w.j  a  v  a2 s . c  om
    String content = "";
    for (int i = 0; i < params.size(); i++) {
        content = content + "&" + URLEncoder.encode(((NameValuePair) params.get(i)).getName(), "UTF-8") + "="
                + URLEncoder.encode(((NameValuePair) params.get(i)).getValue(), "UTF-8");
    }
    URL url = new URL(urlstr + "?" + content.substring(1));
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoInput(true);
    connection.setRequestMethod("GET");
    connection.setUseCaches(false);
    connection.connect();
    InputStream is = connection.getInputStream();
    BufferedReader br = new BufferedReader(new InputStreamReader(is, "UTF-8"));

    StringBuffer b = new StringBuffer();
    int ch;
    while ((ch = br.read()) != -1) {
        b.append((char) ch);
    }
    result = b.toString().trim();
    connection.disconnect();
    return result;
}

---

From source file:Main.java

/**
 * This method fetches data from a given url
 *
 * @param strUrl Url from which the data will be fetched
 * @return A String representing the resource obtained in the connection
 * @throws IOException If something went wrong with the connection
 *//* w w  w .j  av  a2s. co  m*/
public static String getDataFromUrl(String strUrl) throws IOException {
    InputStream iStream;
    HttpURLConnection urlConnection;
    URL url = new URL(strUrl);

    // Creating an http connection to communicate with url
    urlConnection = (HttpURLConnection) url.openConnection();

    // Connecting to url
    urlConnection.connect();

    // Reading data from url
    iStream = urlConnection.getInputStream();

    BufferedReader br = new BufferedReader(new InputStreamReader(iStream));

    StringBuilder sb = new StringBuilder();

    String line;
    while ((line = br.readLine()) != null) {
        sb.append(line);
    }
    br.close();
    iStream.close();
    urlConnection.disconnect();
    return sb.toString();
}

---

From source file:com.andrious.btc.data.jsonUtils.java

private static boolean handleResponse(int response, HttpURLConnection conn) {

    if (response == HttpURLConnection.HTTP_OK) {

        return true;
    }//from   w  w  w  .j a  v a2s . c om

    if (response == HttpURLConnection.HTTP_MOVED_TEMP || response == HttpURLConnection.HTTP_MOVED_PERM
            || response == HttpURLConnection.HTTP_SEE_OTHER) {

        String newURL = conn.getHeaderField("Location");

        conn.disconnect();

        try {

            // get redirect url from "location" header field and open a new connection again
            conn = urlConnect(newURL);

            return true;

        } catch (IOException ex) {

            throw new RuntimeException(ex);
        }
    }

    // Nothing to be done. Can't go any further.
    return false;
}

---

From source file:com.socialize.util.ImageUtils.java

public static Bitmap getBitmapFromURL(String src) {
    Bitmap myBitmap = null;//  w w  w.  j  a  va  2s. c  o m
    HttpURLConnection connection = null;

    try {
        URL url = new URL(src);
        connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.connect();
        InputStream input = connection.getInputStream();
        myBitmap = BitmapFactory.decodeStream(input);
    } catch (IOException e) {
        e.printStackTrace();
        myBitmap = null;
    } finally {
        try {
            connection.disconnect();
        } catch (Exception ignored) {
        }
    }

    return myBitmap;
}

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From source file:com.uk_postcodes.api.Postcode.java

/**
 * Get the postcode closest to the location.
 * @param location The device's location
 * @return the closest postcode/*from  w  ww . j  a va2  s.  c  o  m*/
 * @throws Exception
 */
public static String forLocation(Location location) throws Exception {
    String address = String.format(CALL, location.getLatitude(), location.getLongitude());

    Log.d("Postcode", "Calling: " + address);

    URL callUrl = new URL(address);
    HttpURLConnection callConnection = (HttpURLConnection) callUrl.openConnection();
    // The ten-second rule:
    // If there's no data in 10s (or TIMEOUT), assume the worst.
    callConnection.setReadTimeout(10000);
    // Set the request method to GET.
    callConnection.setRequestMethod("GET");
    int code = callConnection.getResponseCode();
    if (code != HttpURLConnection.HTTP_OK) {
        throw new Exception("A non-200 code was returned: " + code);
    }

    String responseStr;
    responseStr = IOUtils.toString(callConnection.getInputStream());
    callConnection.disconnect();

    JsonParser jp = new JsonParser();
    JsonElement response = jp.parse(responseStr);
    return response.getAsJsonObject().get("postcode").getAsString();
}

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From source file:info.dc585.hpt.NetworkUtilities.java

/**
 * Download the avatar image from the server.
 *
 * @param avatarUrl the URL pointing to the avatar image
 * @return a byte array with the raw JPEG avatar image
 *//*  w ww .  ja va  2  s .com*/
public static Bitmap downloadBitmap(final String avatarUrl) {

    // If there is no avatar, we're done
    if (TextUtils.isEmpty(avatarUrl)) {
        return null;
    }

    try {
        //Log.v(TAG, "Downloading avatar: " + avatarUrl);
        // Request the avatar image from the server, and create a bitmap
        // object from the stream we get back.
        URL url = new URL(avatarUrl);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.connect();
        try {
            final BitmapFactory.Options options = new BitmapFactory.Options();
            final Bitmap avatar = BitmapFactory.decodeStream(connection.getInputStream(), null, options);

            return avatar;

        } finally {
            connection.disconnect();
        }
    } catch (MalformedURLException muex) {
        // A bad URL - nothing we can really do about it here...
        Log.e(TAG, "Malformed avatar URL: " + avatarUrl, muex);
    } catch (IOException ioex) {
        // If we're unable to download the avatar, it's a bummer but not the
        // end of the world. We'll try to get it next time we sync.
        Log.e(TAG, "Failed to download user avatar: " + avatarUrl, ioex);
    }
    return null;
}

---

From source file:com.arthurpitman.common.HttpUtils.java

/**
 * Downloads a file from a URL and saves it to the local file system.
 * @param url the URL to connect to.// w w w .j a v a2 s  .  co  m
 * @param requestProperties optional request properties, <code>null</code> if not required.
 * @param outputFile local file to write to.
 * @throws IOException
 */
public static void downloadFile(final String url, final RequestProperty[] requestProperties,
        final File outputFile) throws IOException {
    for (int i = 0;; i++) {
        HttpURLConnection connection = null;
        try {
            connection = connectGet(url, requestProperties);
            StreamUtils.readStreamIntoFile(connection.getInputStream(), outputFile, BUFFER_SIZE, true);
            return;
        } catch (IOException e) {
            if (i == CONNECTION_RETRIES) {
                throw e;
            }
        } finally {
            // always close the connection
            if (connection != null) {
                connection.disconnect();
            }
        }

        // allow recovery time
        try {
            Thread.sleep(CONNECTION_RETRY_SLEEP);
        } catch (InterruptedException e) {
        }
    }
}

---

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

public static List<Contact> deleteContact(String relationID) throws IOException {

    String _url = getBaseUri().appendPath("Relations").appendPath(relationID).build().toString();
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod(IRequest.DELETE);

    addRequestHeader(conn, false);/*w w  w . jav  a  2  s.c o m*/
    int responseCode = conn.getResponseCode();
    String response = getServerResponse(conn);

    boolean result = false;
    JsonNode tree = MAPPER.readTree(response);
    if (!response.isEmpty()) {
        if (!tree.has(Keys.DELETED)) {
            result = true;
        } else {
            logError(TAG, tree);
        }
    }

    conn.disconnect();
    SessionManager session = SessionManager.getInstance();
    List<Contact> contacts = getContacts(session.getUserID());
    return contacts;
}

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