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:au.org.ala.fielddata.mobile.service.WebServiceClient.java

protected void close(HttpURLConnection connection) {
    if (connection != null) {
        try {/*from w  w  w.  j a v a  2  s .  c  o  m*/
            connection.disconnect();
        } catch (Exception e) {
            Log.e("WebServiceClient", "Error closing connection: ", e);
        }
    }
}

From source file:jmc.util.UtlFbComents.java

public static void getURLComentarios(String url, Long numComents) throws JMCException {

    File f = null;/*from w w w  .j  a v  a2 s  .  co  m*/

    try {
        Properties props = ConfigPropiedades.getProperties("props_config.properties");
        CookieHandler.setDefault(new CookieManager(null, CookiePolicy.ACCEPT_ALL));
        URL ur = new URL(
                "http://graph.facebook.com/comments?id=" + url + "&limit=" + numComents + "&filter=stream");
        HttpURLConnection cn = (HttpURLConnection) ur.openConnection();

        cn.setRequestProperty("user-agent", props.getProperty("navegador"));
        cn.setInstanceFollowRedirects(false);
        cn.setUseCaches(false);
        cn.connect();

        BufferedReader br = new BufferedReader(new InputStreamReader(cn.getInputStream()));
        String dirTempHtml = props.getProperty("archive_json") + "/";
        File fld = new File(dirTempHtml);

        boolean creado = fld.exists() ? true : fld.mkdir();

        if (creado) {
            String archFile = "archivo.json";
            String archivo = dirTempHtml + archFile;
            String linea = null;

            f = new File(archivo);
            BufferedWriter bw = new BufferedWriter(new FileWriter(f));
            while ((linea = br.readLine()) != null) {
                bw.append(linea);
            }
            bw.close();

            cn.disconnect();

            List<Fbcoment> lfb = Convertidor.getFbcomentObjects(1l, archivo);
            // Fbcoment.actComents(idContenido, lfb);

        } else {
            cn.disconnect();
        }

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

From source file:jmc.util.UtlFbComents.java

public static void getComentarios(Long idContenido, Long numComents) throws JMCException {

    File f = null;// w ww .  j a  va  2s  .c o m

    try {
        Properties props = ConfigPropiedades.getProperties("props_config.properties");
        CookieHandler.setDefault(new CookieManager(null, CookiePolicy.ACCEPT_ALL));
        URL ur = new URL("http://graph.facebook.com/comments?id="
                + Contenido.getContenido("Where cont_id = '" + idContenido + "'").get(0).getEnlaceURL()
                + "&limit=" + numComents + "&filter=stream");
        HttpURLConnection cn = (HttpURLConnection) ur.openConnection();

        cn.setRequestProperty("user-agent", props.getProperty("navegador"));
        cn.setInstanceFollowRedirects(false);
        cn.setUseCaches(false);
        cn.connect();

        BufferedReader br = new BufferedReader(new InputStreamReader(cn.getInputStream()));
        String dirTempHtml = props.getProperty("archive_json") + "/";
        File fld = new File(dirTempHtml);

        boolean creado = fld.exists() ? true : fld.mkdir();

        if (creado) {
            String archFile = idContenido + ".json";
            String archivo = dirTempHtml + archFile;
            String linea = null;

            f = new File(archivo);
            BufferedWriter bw = new BufferedWriter(new FileWriter(f));
            while ((linea = br.readLine()) != null) {
                bw.append(linea);
            }
            bw.close();

            cn.disconnect();

            List<Fbcoment> lfb = Convertidor.getFbcomentObjects(idContenido, archivo);
            Fbcoment.actComents(idContenido, lfb);

        } else {
            cn.disconnect();
        }

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

From source file:edu.dartmouth.cs.dartcard.HttpUtilities.java

public static String get(String endpoint) {
    URL url = null;/*from www  . j  a v  a 2  s  . c  o m*/
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        //Fail silently
    }

    HttpURLConnection conn;

    long backoff = BACKOFF_MILLI_SECONDS + random.nextInt(1000);
    for (int i = 1; i <= HttpUtilities.MAX_ATTEMPTS; i++) {
        try {
            conn = makeGetConnection(url);

            // handle the response
            int status = conn.getResponseCode();

            if (status == 200) {

                BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                StringBuilder sb = new StringBuilder();
                String line;
                while ((line = br.readLine()) != null) {
                    sb.append(line + "\n");
                }
                br.close();

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

                return sb.toString();
            }

            else if (500 > status) {
                if (null != conn) {
                    conn.disconnect();
                }
                return null;
            }
        } catch (IOException e) {
            try {
                Thread.sleep(backoff);
            } catch (InterruptedException e1) {
                // Activity finished before we complete - exit.
                Thread.currentThread().interrupt();
            }
            // increase backoff exponentially
            backoff *= 2;
        }
    }

    return null;
}

From source file:com.thomaskuenneth.openweathermapweather.WeatherUtils.java

public static String getFromServer(String url) throws MalformedURLException, IOException {
    StringBuilder sb = new StringBuilder();
    URL _url = new URL(url);
    HttpURLConnection httpURLConnection = (HttpURLConnection) _url.openConnection();
    String contentType = httpURLConnection.getContentType();
    String charSet = "ISO-8859-1";
    if (contentType != null) {
        Matcher m = PATTERN_CHARSET.matcher(contentType);
        if (m.matches()) {
            charSet = m.group(1);//from  w w w. ja v a  2  s .c  om
        }
    }
    final int responseCode = httpURLConnection.getResponseCode();
    if (responseCode == HttpURLConnection.HTTP_OK) {
        InputStreamReader inputStreamReader = new InputStreamReader(httpURLConnection.getInputStream(),
                charSet);
        BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
        String line;
        while ((line = bufferedReader.readLine()) != null) {
            sb.append(line);
        }
        try {
            bufferedReader.close();
        } catch (IOException ex) {
            LOGGER.log(Level.SEVERE, "getFromServer()", ex);
        }
    }
    httpURLConnection.disconnect();
    return sb.toString();
}

From source file:edu.dartmouth.cs.dartcard.HttpUtilities.java

public static String get(String endpoint, Map<String, String> params) {
    URL url = null;/*  w w  w . java  2 s . c o  m*/
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        //Fail silently
    }

    byte[] bytes = constructParams(params);

    HttpURLConnection conn;

    long backoff = BACKOFF_MILLI_SECONDS + random.nextInt(1000);
    for (int i = 1; i <= HttpUtilities.MAX_ATTEMPTS; i++) {
        try {
            conn = makeGetConnection(url, bytes);

            // handle the response
            int status = conn.getResponseCode();

            if (status == 200) {

                BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                StringBuilder sb = new StringBuilder();
                String line;
                while ((line = br.readLine()) != null) {
                    sb.append(line + "\n");
                }
                br.close();

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

                return sb.toString();
            }

            else if (500 > status) {
                if (null != conn) {
                    conn.disconnect();
                }
                return null;
            }
        } catch (IOException e) {
            try {
                Thread.sleep(backoff);
            } catch (InterruptedException e1) {
                // Activity finished before we complete - exit.
                Thread.currentThread().interrupt();
            }
            // increase backoff exponentially
            backoff *= 2;
        }
    }
    return null;
}

From source file:edu.dartmouth.cs.dartcard.HttpUtilities.java

/**
 * Issue a POST request to the server, and return the results from it as a string
 * //www  .  ja v  a  2 s  . com
 * @param endpoint
 *            POST address.
 * @param params
 *            request parameters.
 * 
 * @throws IOException
 *             propagated from POST.
 */
public static String postForResults(String endpoint, Map<String, String> params) {
    URL url = null;
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        //Fail silently
    }

    byte[] bytes = constructParams(params);

    HttpURLConnection conn;

    long backoff = BACKOFF_MILLI_SECONDS + random.nextInt(1000);
    for (int i = 1; i <= HttpUtilities.MAX_ATTEMPTS; i++) {
        try {
            conn = makePostConnection(url, bytes);

            // handle the response
            int status = conn.getResponseCode();

            if (status == 200) {

                BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                StringBuilder sb = new StringBuilder();
                String line;
                while ((line = br.readLine()) != null) {
                    sb.append(line + "\n");
                }
                br.close();

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

                return sb.toString();
            }

            else if (500 > status) {
                if (null != conn) {
                    conn.disconnect();
                }
                return null;
            }
        } catch (IOException e) {
            try {
                Thread.sleep(backoff);
            } catch (InterruptedException e1) {
                // Activity finished before we complete - exit.
                Thread.currentThread().interrupt();
            }
            // increase backoff exponentially
            backoff *= 2;
        }
    }

    return null;
}

From source file:com.memetix.mst.MicrosoftTranslatorAPI.java

/**
 * Forms an HTTP request, sends it using GET method and returns the result of the request as a String.
 * /*from www .java 2 s .c om*/
 * @param url The URL to query for a String response.
 * @return The translated String.
 * @throws Exception on error.
 */
private static String retrieveResponse(final URL url) throws Exception {
    if (clientId != null && clientSecret != null && System.currentTimeMillis() > tokenExpiration) {
        String tokenJson = getToken(clientId, clientSecret);
        Integer expiresIn = Integer
                .parseInt((String) ((JSONObject) JSONValue.parse(tokenJson)).get("expires_in"));
        tokenExpiration = System.currentTimeMillis() + ((expiresIn * 1000) - 1);
        token = "Bearer " + (String) ((JSONObject) JSONValue.parse(tokenJson)).get("access_token");
    }
    final HttpURLConnection uc = (HttpURLConnection) url.openConnection();
    if (referrer != null)
        uc.setRequestProperty("referer", referrer);
    uc.setRequestProperty("Content-Type", contentType + "; charset=" + ENCODING);
    uc.setRequestProperty("Accept-Charset", ENCODING);
    if (token != null) {
        uc.setRequestProperty("Authorization", token);
    }
    uc.setRequestMethod("GET");
    uc.setDoOutput(true);

    try {
        final int responseCode = uc.getResponseCode();
        final String result = inputStreamToString(uc.getInputStream());
        if (responseCode != 200) {
            throw new Exception("Error from Microsoft Translator API: " + result);
        }
        return result;
    } finally {
        if (uc != null) {
            uc.disconnect();
        }
    }
}

From source file:com.example.android.didyoufeelit.Utils.java

/**
 * Make an HTTP request to the given URL and return a String as the response.
 *///from  w  w  w  . j  a va2 s  .c om
private static String makeHttpRequest(URL url) throws IOException {
    String jsonResponse = "";

    // If the URL is null, then return early.
    if (url == null) {
        return jsonResponse;
    }

    HttpURLConnection urlConnection = null;
    InputStream inputStream = null;
    try {
        urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setReadTimeout(10000 /* milliseconds */);
        urlConnection.setConnectTimeout(15000 /* milliseconds */);
        urlConnection.setRequestMethod("GET");
        urlConnection.connect();

        // If the request was successful (response code 200),
        // then read the input stream and parse the response.
        if (urlConnection.getResponseCode() == 200) {
            inputStream = urlConnection.getInputStream();
            jsonResponse = readFromStream(inputStream);
        } else {
            Log.e(LOG_TAG, "Error response code: " + urlConnection.getResponseCode());
        }
    } catch (IOException e) {
        Log.e(LOG_TAG, "Problem retrieving the earthquake JSON results.", e);
    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
        if (inputStream != null) {
            inputStream.close();
        }
    }
    return jsonResponse;
}

From source file:com.appsimobile.appsii.module.weather.loader.YahooWeatherApiClient.java

@Nullable
public static CircularArray<WeatherData> getWeatherForWoeids(CircularArray<String> woeids, String unit)
        throws CantGetWeatherException {

    if (woeids == null || woeids.isEmpty())
        return null;

    HttpURLConnection connection = null;
    try {/*from   ww w . j  av a  2s . co m*/
        String url = buildWeatherQueryUrl(woeids, unit);
        if (BuildConfig.DEBUG)
            Log.d("YahooWeatherApiClient", "loading weather from: " + url);

        connection = Utils.openUrlConnection(url);

        CircularArray<WeatherData> result = new CircularArray<>();
        WeatherDataParser.parseWeatherData(result, connection.getInputStream(), woeids);

        return result;
    } catch (JSONException | ResponseParserException | ParseException | IOException | NumberFormatException e) {
        throw new CantGetWeatherException(true, R.string.no_weather_data, "Error parsing weather feed XML.", e);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
}