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:com.matthewmitchell.nubits_android_wallet.ExchangeRatesProvider.java

private static String getURLResult(URL url, final String userAgent) {

    HttpURLConnection connection = null;
    Reader reader = null;//from  w ww  .  ja  v  a 2 s  . c o  m

    try {
        connection = (HttpURLConnection) url.openConnection();

        connection.setInstanceFollowRedirects(false);
        connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.addRequestProperty("User-Agent", userAgent);
        connection.connect();

        final int responseCode = connection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {

            InputStream is = new BufferedInputStream(connection.getInputStream(), 1024);

            reader = new InputStreamReader(is, Constants.UTF_8);
            final StringBuilder content = new StringBuilder();

            Io.copy(reader, content);
            return content.toString();

        } else {
            log.warn("http status {} when fetching exchange rates from {}", responseCode, url);
        }
    } catch (final Exception x) {
        log.warn("problem fetching exchange rates from " + url, x);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (final IOException x) {
                // swallow
            }
        }

        if (connection != null)
            connection.disconnect();
    }

    return null;

}

From source file:com.versobit.weatherdoge.WeatherUtil.java

private static WeatherResult getWeatherFromOWM(double latitude, double longitude, String location) {
    try {//from   w w  w  . ja v  a2 s .  c  o m
        String query;
        if (latitude == Double.MIN_VALUE && longitude == Double.MIN_VALUE) {
            if (location == null) {
                return new WeatherResult(null, WeatherResult.ERROR_THROWABLE, "No valid location parameters.",
                        new IllegalArgumentException());
            }
            query = "q=" + URLEncoder.encode(location, "UTF-8");
        } else {
            query = "lat=" + URLEncoder.encode(String.valueOf(latitude), "UTF-8") + "&lon="
                    + URLEncoder.encode(String.valueOf(longitude), "UTF-8");
        }
        query += "&APPID=" + URLEncoder.encode(BuildConfig.OWM_APPID, "UTF-8");
        URL url = new URL("http://api.openweathermap.org/data/2.5/weather?" + query);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        try {
            JSONObject response = new JSONObject(IOUtils.toString(connection.getInputStream()));
            if (response.getInt("cod") != HttpURLConnection.HTTP_OK) {
                // OWM has HTTP error codes that are passed through an API field, the actual HTTP
                // error code is always 200...
                return new WeatherResult(null, WeatherResult.ERROR_API,
                        response.getString("cod") + ": " + response.getString("message"), null);
            }

            JSONObject weather = response.getJSONArray("weather").getJSONObject(0);
            JSONObject main = response.getJSONObject("main");

            double temp = main.getDouble("temp") - 273.15d;
            String condition = WordUtils.capitalize(weather.getString("description").trim());
            String image = weather.getString("icon");

            if (location == null || location.isEmpty()) {
                location = response.getString("name");
            }

            return new WeatherResult(new WeatherData(temp, condition, image, latitude, longitude, location,
                    new Date(), Source.OPEN_WEATHER_MAP), WeatherResult.ERROR_NONE, null, null);
        } finally {
            connection.disconnect();
        }
    } catch (Exception ex) {
        return new WeatherResult(null, WeatherResult.ERROR_THROWABLE, ex.getMessage(), ex);
    }
}

From source file:com.vaguehope.onosendai.util.HttpHelper.java

private static <R> R fetchWithFollowRedirects(final Method method, final URL url,
        final HttpStreamHandler<R> streamHandler, final int redirectCount)
        throws IOException, URISyntaxException {
    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    try {//from  ww w  . j  ava 2 s  . co m
        connection.setRequestMethod(method.toString());
        connection.setInstanceFollowRedirects(false);
        connection.setConnectTimeout((int) TimeUnit.SECONDS.toMillis(HTTP_CONNECT_TIMEOUT_SECONDS));
        connection.setReadTimeout((int) TimeUnit.SECONDS.toMillis(HTTP_READ_TIMEOUT_SECONDS));
        connection.setRequestProperty("User-Agent", "curl/1"); // Make it really clear this is not a browser.
        //connection.setRequestProperty("Accept-Encoding", "identity"); This fixes missing Content-Length headers but feels wrong.
        connection.connect();

        InputStream is = null;
        try {
            final int responseCode = connection.getResponseCode();

            // For some reason some devices do not follow redirects. :(
            if (responseCode == 301 || responseCode == 302 || responseCode == 303 || responseCode == 307) { // NOSONAR not magic numbers.  Its HTTP spec.
                if (redirectCount >= MAX_REDIRECTS)
                    throw new TooManyRedirectsException(responseCode, url, MAX_REDIRECTS);
                final String locationHeader = connection.getHeaderField("Location");
                if (locationHeader == null)
                    throw new HttpResponseException(responseCode,
                            "Location header missing.  Headers present: " + connection.getHeaderFields() + ".");
                connection.disconnect();

                final URL locationUrl;
                if (locationHeader.toLowerCase(Locale.ENGLISH).startsWith("http")) {
                    locationUrl = new URL(locationHeader);
                } else {
                    locationUrl = url.toURI().resolve(locationHeader).toURL();
                }
                return fetchWithFollowRedirects(method, locationUrl, streamHandler, redirectCount + 1);
            }

            if (responseCode < 200 || responseCode >= 300) { // NOSONAR not magic numbers.  Its HTTP spec.
                throw new NotOkResponseException(responseCode, connection, url);
            }

            is = connection.getInputStream();
            final int contentLength = connection.getContentLength();
            if (contentLength < 1)
                LOG.w("Content-Length=%s for %s.", contentLength, url);
            return streamHandler.handleStream(connection, is, contentLength);
        } finally {
            IoHelper.closeQuietly(is);
        }
    } finally {
        connection.disconnect();
    }
}

From source file:com.bushstar.htmlcoin_android_wallet.ExchangeRatesProvider.java

private static String getURLResult(URL url, final String userAgent) {

    HttpURLConnection connection = null;
    Reader reader = null;/*  w  ww.  ja  v a2  s . c o  m*/

    try {
        connection = (HttpURLConnection) url.openConnection();

        connection.setInstanceFollowRedirects(false);
        connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.addRequestProperty("User-Agent", userAgent);
        connection.connect();

        final int responseCode = connection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {

            InputStream is = new BufferedInputStream(connection.getInputStream(), 1024);

            reader = new InputStreamReader(is, Constants.UTF_8);
            final StringBuilder content = new StringBuilder();

            Io.copy(reader, content);
            return content.toString();

        } else {
            log.warn("http status {} when fetching exchange rates from {}", responseCode, BTCE_URL);
        }
    } catch (final Exception x) {
        log.warn("problem fetching exchange rates from " + BTCE_URL, x);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (final IOException x) {
                // swallow
            }
        }

        if (connection != null)
            connection.disconnect();
    }

    return null;

}

From source file:com.PAB.ibeaconreference.AppEngineSpatial.java

public void delete(URL uri, Map<String, List<String>> headers) {

    //   DELETE delete = new DELETE(uri, headers);
    HttpURLConnection httpURLConnection = null;
    try {//from ww w  .j ava2s .c om
        httpURLConnection = (HttpURLConnection) uri.openConnection();
        httpURLConnection.setRequestMethod("DELETE");
        //httpURLConnection.connect();
        int s = httpURLConnection.getResponseCode();

    } catch (IOException exception) {
        exception.printStackTrace();
    } finally {
        if (httpURLConnection != null) {
            httpURLConnection.disconnect();
        }
    }
}

From source file:com.spoiledmilk.ibikecph.util.HttpUtils.java

public static JsonResult readLink(String url_string, String method) {
    JsonResult result = new JsonResult();
    if (url_string == null) {
        return result;
    }/*from w  w w .ja v a2 s.c o m*/
    URL url = null;
    HttpURLConnection httpget = null;
    try {
        LOG.d("HttpUtils readlink() " + url_string);
        url = new URL(url_string);
        httpget = (HttpURLConnection) url.openConnection();
        httpget.setDoInput(true);
        httpget.setRequestMethod(method);
        httpget.setRequestProperty("Accept", "application/json");
        httpget.setRequestProperty("Content-type", "application/json");
        httpget.setConnectTimeout(CONNECTON_TIMEOUT);
        httpget.setReadTimeout(CONNECTON_TIMEOUT);
        JsonNode root = null;
        root = Util.getJsonObjectMapper().readValue(httpget.getInputStream(), JsonNode.class);
        if (root != null) {
            result.setNode(root);
        }
    } catch (JsonParseException e) {
        LOG.w("HttpUtils readLink() JsonParseException ", e);
        result.error = JsonResult.ErrorCode.APIError;
    } catch (MalformedURLException e) {
        LOG.w("HttpUtils readLink() MalformedURLException", e);
        result.error = JsonResult.ErrorCode.APIError;
    } catch (FileNotFoundException e) {
        LOG.w("HttpUtils readLink() FileNotFoundException", e);
        result.error = JsonResult.ErrorCode.NotFound;
    } catch (IOException e) {
        LOG.w("HttpUtils readLink() IOException", e);
        result.error = JsonResult.ErrorCode.ConnectionError;
    } finally {
        if (httpget != null) {
            httpget.disconnect();
        }
    }
    LOG.d("HttpUtils readLink() "
            + (result != null && result.error == JsonResult.ErrorCode.Success ? "succeeded" : "failed"));
    return result;
}

From source file:com.ardnezar.lookapp.RoomParametersFetcher.java

private LinkedList<PeerConnection.IceServer> requestTurnServers(String url) throws IOException, JSONException {
    LinkedList<PeerConnection.IceServer> turnServers = new LinkedList<PeerConnection.IceServer>();
    Log.d(TAG, "Request TURN from: " + url);
    HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
    connection.setConnectTimeout(TURN_HTTP_TIMEOUT_MS);
    connection.setReadTimeout(TURN_HTTP_TIMEOUT_MS);
    int responseCode = connection.getResponseCode();
    if (responseCode != 200) {
        throw new IOException("Non-200 response when requesting TURN server from " + url + " : "
                + connection.getHeaderField(null));
    }/*from ww w . ja  va  2 s  .c om*/
    InputStream responseStream = connection.getInputStream();
    String response = drainStream(responseStream);
    connection.disconnect();
    Log.d(TAG, "TURN response: " + response);
    JSONObject responseJSON = new JSONObject(response);
    String username = responseJSON.getString("username");
    String password = responseJSON.getString("password");
    JSONArray turnUris = responseJSON.getJSONArray("uris");
    for (int i = 0; i < turnUris.length(); i++) {
        String uri = turnUris.getString(i);
        turnServers.add(new PeerConnection.IceServer(uri, username, password));
    }
    return turnServers;
}

From source file:com.example.android.ennis.barrett.popularmovies.asynchronous.TMDbSyncUtil.java

private static String fetch(Uri uri) {
    HttpURLConnection connection = null;
    BufferedReader reader = null;
    String rawJSON = "";

    Log.d(TAG, uri.toString());/*w ww . j ava  2  s.c o  m*/
    try {
        URL url = new URL(uri.toString()); //java.net Malformed uri exception

        connection = (HttpURLConnection) url.openConnection(); //java.io.  IO exception
        connection.setRequestMethod("GET"); //java.net.ProtocolException && unnecessary
        connection.connect(); //java.io.IOExecption

        InputStream inputStream = connection.getInputStream(); // java.io.IOException
        StringBuffer stringBuffer = new StringBuffer();

        if (inputStream == null) {
            return rawJSON;
        }
        reader = new BufferedReader(new InputStreamReader(inputStream));

        //Make the string more readable
        String line;
        while ((line = reader.readLine()) != null) {
            stringBuffer.append(line + "\n");
        }

        rawJSON = stringBuffer.toString();
        Log.d(TAG + "doInBackground", rawJSON);

    } catch (IOException e) {
        Log.e(TAG, "Error ", e);
        e.printStackTrace();
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
        if (reader != null) {
            try {
                reader.close();
            } catch (final IOException e) {
                Log.e(TAG, "Error closing stream", e);
            }
        }
    }

    return rawJSON;
}

From source file:org.esupportail.nfctagdroid.requestasync.CsnHttpRequestAsync.java

protected String doInBackground(String... params) {

    CsnMessageBean nfcMsg = new CsnMessageBean();
    nfcMsg.setNumeroId(LocalStorage.getValue("numeroId"));
    nfcMsg.setCsn(params[0]);/*  w  w  w  .  j  a  v a 2s  .  co m*/
    ObjectMapper mapper = new ObjectMapper();
    String jsonInString = null;
    try {
        jsonInString = mapper.writeValueAsString(nfcMsg);
        URL url = new URL(NfcTacDroidActivity.ESUP_NFC_TAG_SERVER_URL + "/csn-ws");
        log.info("Will call csn-ws on : " + url);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json;charset=utf-8");
        conn.connect();
        Writer writer = new BufferedWriter(new OutputStreamWriter(conn.getOutputStream(), "UTF-8"));
        writer.write(jsonInString);
        writer.close();
        InputStream inputStream = conn.getInputStream();
        String response = "";
        String line;
        BufferedReader br = new BufferedReader(new InputStreamReader(inputStream));
        while ((line = br.readLine()) != null) {
            response += line;
        }
        conn.disconnect();
        return response;
    } catch (Exception e) {
        throw new NfcTagDroidException(e);
    }
}

From source file:com.rimbit.android_wallet.ExchangeRatesProvider.java

private static String getURLResult(URL url, final String userAgent) {

    HttpURLConnection connection = null;
    Reader reader = null;//from ww  w  .  j a v a2s. c o  m

    try {
        connection = (HttpURLConnection) url.openConnection();

        connection.setInstanceFollowRedirects(false);
        connection.setConnectTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.setReadTimeout(Constants.HTTP_TIMEOUT_MS);
        connection.addRequestProperty("User-Agent", userAgent);
        connection.connect();

        final int responseCode = connection.getResponseCode();
        if (responseCode == HttpURLConnection.HTTP_OK) {

            InputStream is = new BufferedInputStream(connection.getInputStream(), 1024);

            reader = new InputStreamReader(is, Constants.UTF_8);
            final StringBuilder content = new StringBuilder();

            Io.copy(reader, content);
            return content.toString();

        } else {
            log.warn("http status {} when fetching exchange rates from {}", responseCode, RIMBIT_EXPLORER_URL);
        }
    } catch (final Exception x) {
        log.warn("problem fetching exchange rates from " + RIMBIT_EXPLORER_URL, x);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (final IOException x) {
                // swallow
            }
        }

        if (connection != null)
            connection.disconnect();
    }

    return null;

}