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.appsimobile.appsii.module.weather.loader.YahooWeatherApiClient.java

public static LocationInfo getLocationInfo(Location location) throws CantGetWeatherException {
    LocationInfo li = new LocationInfo();

    // first=tagname (admin1, locality3) second=woeid

    HttpURLConnection connection = null;
    try {//w  w  w  .  j av a2 s .co  m
        connection = Utils.openUrlConnection(buildPlaceSearchUrl(location));

        InputStream inputStream = connection.getInputStream();
        return parseLocationInfo(li, inputStream);

    } catch (IOException | XmlPullParserException e) {
        throw new CantGetWeatherException(true, R.string.no_weather_data, "Error parsing place search XML", e);
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
}

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From source file:com.evrythng.java.wrapper.util.FileUtils.java

private static void validateConnectionAfterUpload(final HttpURLConnection connection) throws IOException {

    int responseCode = connection.getResponseCode();
    if (responseCode == 200) {
        try (final InputStream is = connection.getInputStream()) {
            while (is.read() > 0) {
                // consume
            }// w  w  w  .  ja v a 2 s. c  o m
        }
    } else {
        try (final InputStream is = connection.getErrorStream()) {
            final String error = IOUtils.toString(is);
            throw new IOException(String.format("Unable to upload file. Got error %d %s: %s", responseCode,
                    connection.getResponseMessage(), error));
        }
    }
    connection.disconnect();
}

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From source file:net.doubledoordev.cmd.CurseModpackDownloader.java

public static String getFinalURL(String url) throws IOException {
    while (true) {
        HttpURLConnection con = null;
        try {//from   w ww .  j  a  v  a2  s. co  m
            con = (HttpURLConnection) new URL(url).openConnection();
            con.setInstanceFollowRedirects(false);
            con.connect();
            if (con.getHeaderField("Location") == null)
                return url;
            url = con.getHeaderField("Location");
        } catch (IOException e) {
            return url;
        } finally {
            if (con != null)
                con.disconnect();
        }
    }
}

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

public static void getTask(Task t) throws JsonParseException, JsonMappingException, IOException {
    // Server URL setup
    String _url = getBaseUri().appendPath(t.getID()).build().toString();
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.GET);
    addRequestHeader(conn, false);//www  .j ava  2s .c o m

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

    // Initialize ObjectMapper
    // List<Task> taskList = new ArrayList<Task>();
    final JsonNode taskNode = MAPPER.readTree(response);

    // if(taskArray.isArray()){
    // for(final JsonNode taskNode : taskArray){
    parseTask(taskNode, t);

    // if(t!=null){
    // taskList.add(t);
    // }
    // }
    // }
    conn.disconnect();
    // return void;

}

---

From source file:com.google.android.gcm.demo.app.ServerUtilities.java

/**
 * Issue a POST request to the server./*  w w w .j  ava2s  . c om*/
 *
 * @param endpoint POST address.
 * @param params request parameters.
 *
 * @throws IOException propagated from POST.
 */
private static void post(String endpoint, Map<String, String> params) throws IOException {
    URL url;
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }
    JSONObject jsonObj = new JSONObject(params);
    String body = jsonObj.toString();
    Log.v(TAG, "Posting '" + body + "' to " + url);
    byte[] bytes = body.getBytes();
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setFixedLengthStreamingMode(bytes.length);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response
        int status = conn.getResponseCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

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From source file:com.ibuildapp.romanblack.CataloguePlugin.utils.Utils.java

public static String downloadFileAsString(String url) {
    final int CONNECTION_TIMEOUT = 30000;
    final int READ_TIMEOUT = 30000;

    try {//from   w  ww.  j  a v a  2 s .co m
        for (int i = 0; i < 3; i++) {
            URL fileUrl = new URL(URLDecoder.decode(url));
            HttpURLConnection connection = (HttpURLConnection) fileUrl.openConnection();
            connection.setConnectTimeout(CONNECTION_TIMEOUT);
            connection.setReadTimeout(READ_TIMEOUT);
            connection.connect();

            int status = connection.getResponseCode();

            if (status >= HttpStatus.SC_BAD_REQUEST) {
                connection.disconnect();

                continue;
            }

            BufferedReader bufferedReader = new BufferedReader(
                    new InputStreamReader(connection.getInputStream()));
            StringBuilder stringBuilder = new StringBuilder();
            String line;

            while ((line = bufferedReader.readLine()) != null)
                stringBuilder.append(line);

            bufferedReader.close();

            return stringBuilder.toString();
        }
    } catch (Exception e) {
        e.printStackTrace();

        return null;
    }

    return null;
}

---

From source file:Main.java

private static void post(String endpoint, Map<String, String> params) throws IOException {

    URL url;/*from  ww  w. j av a  2 s.  co  m*/
    try {
        url = new URL(endpoint);
    } catch (MalformedURLException e) {
        throw new IllegalArgumentException("invalid url: " + endpoint);
    }
    StringBuilder bodyBuilder = new StringBuilder();
    Iterator<Map.Entry<String, String>> iterator = params.entrySet().iterator();
    // constructs the POST body using the parameters
    while (iterator.hasNext()) {
        Map.Entry<String, String> param = iterator.next();
        bodyBuilder.append(param.getKey()).append('=').append(param.getValue());
        if (iterator.hasNext()) {
            bodyBuilder.append('&');
        }
    }
    String body = bodyBuilder.toString();
    Log.v(TAG, "Posting '" + body + "' to " + url);
    byte[] bytes = body.getBytes();
    HttpURLConnection conn = null;
    try {
        Log.e("URL", "> " + url);
        conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setUseCaches(false);
        conn.setFixedLengthStreamingMode(bytes.length);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
        // post the request
        OutputStream out = conn.getOutputStream();
        out.write(bytes);
        out.close();
        // handle the response
        int status = conn.getResponseCode();
        if (status != 200) {
            throw new IOException("Post failed with error code " + status);
        }
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

---

From source file:outfox.dict.contest.util.FileUtils.java

/**
 * ??//from  w w w. j  a va 2  s  .c  o  m
 * @param downloadUrl
 * @return
 */
public static byte[] getbytesFromURL(String downloadUrl) {
    HttpURLConnection httpUrl = null;
    ByteArrayOutputStream out = null;
    byte[] byteArray = null;
    InputStream in = null;
    try {
        // 
        URL url = new URL(downloadUrl);
        httpUrl = (HttpURLConnection) url.openConnection();
        // ?
        httpUrl.connect();
        // ??
        in = httpUrl.getInputStream();

        out = new ByteArrayOutputStream();
        byte[] b = new byte[4096];
        int n;
        while ((n = in.read(b)) != -1) {
            out.write(b, 0, n);
        }
        byteArray = out.toByteArray();
        in.close();
        out.close();
        httpUrl.disconnect();
    } catch (Exception e) {
        LOG.error("FileUtils.getBytesFromURL error...", e);
    }
    return byteArray;
}

---

From source file:Main.java

static String downloadHtml(String urlString) {
    StringBuffer buffer = new StringBuffer();

    try {/*from  ww w  .jav a 2 s. c o m*/
        URL url = new URL(urlString);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        HttpURLConnection.setFollowRedirects(true);
        conn.setRequestProperty("Accept-Encoding", "gzip, deflate");
        String encoding = conn.getContentEncoding();
        InputStream inStr = null;

        if (encoding != null && encoding.equalsIgnoreCase("gzip")) {
            inStr = new GZIPInputStream(conn.getInputStream());
        } else if (encoding != null && encoding.equalsIgnoreCase("deflate")) {
            inStr = new InflaterInputStream(conn.getInputStream(), new Inflater(true));
        } else {
            inStr = conn.getInputStream();
        }
        int ptr = 0;
        InputStreamReader inStrReader = new InputStreamReader(inStr, Charset.forName("GB2312"));

        while ((ptr = inStrReader.read()) != -1) {
            buffer.append((char) ptr);
        }
        inStrReader.close();
        conn.disconnect();
        inStr.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return buffer.toString();
}

---

From source file:com.sungtech.goodTeacher.action.TeacherInfoAction.java

public static String httpUrlRequest(String requestURL, String json) {
    URL url;//  www. j  a v  a 2 s.  c o  m
    String response = "";
    HttpURLConnection connection = null;
    InputStream is = null;
    try {
        url = new URL(requestURL);

        connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(true);
        connection.setRequestMethod("POST");
        connection.getOutputStream().write(json.getBytes());
        connection.getOutputStream().flush();
        connection.getOutputStream().close();
        int code = connection.getResponseCode();
        System.out.println("code" + code);

    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        connection.disconnect();
    }
    return response;
}

---

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