Example usage for java.net HttpURLConnection connect

List of usage examples for java.net HttpURLConnection connect

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Introduction

In this page you can find the example usage for java.net HttpURLConnection connect.

Prototype

public abstract void connect() throws IOException;

Source Link

Document

Opens a communications link to the resource referenced by this URL, if such a connection has not already been established.

Usage

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  w  w . j  a v  a2 s .co  m*/
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:fr.free.movierenamer.utils.URIRequest.java

public static int getResponseCode(URL url, RequestProperty... properties) {
    try {/*ww  w  . ja  v a 2  s  . com*/
        HttpURLConnection huc = (HttpURLConnection) openConnection(url.toURI(), properties);
        huc.setRequestMethod("GET");
        huc.connect();
        return huc.getResponseCode();
    } catch (Exception ex) {
        return 0;
    }
}

From source file:jmc.util.UtlFbComents.java

public static String getJSONComentarios(String url, Long numComents) throws JMCException {
    String linea = "";
    String buf = "";

    try {//from   w  ww.  j  a  v a2  s . c  om
        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()));

        while ((linea = br.readLine()) != null) {
            buf.concat(linea);
        }
        cn.disconnect();

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

From source file:com.wx.kernel.util.HttpKit.java

/**
 * Send POST request// w w w.j a  v  a  2  s.com
 */
public static String post(String url, Map<String, String> queryParas, String data,
        Map<String, String> headers) {
    HttpURLConnection conn = null;
    try {
        conn = getHttpConnection(buildUrlWithQueryString(url, queryParas), POST, headers);
        conn.connect();

        OutputStream out = conn.getOutputStream();
        out.write(data.getBytes(CHARSET));
        out.flush();
        out.close();

        return readResponseString(conn);
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }
}

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

public static Bitmap getBitmapFromURL(String src) {
    Bitmap myBitmap = null;//from w  w  w.ja  v  a 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;
}

From source file:com.linkedin.pinot.controller.helix.ControllerTest.java

public static String sendDeleteRequest(String urlString) throws IOException {
    final long start = System.currentTimeMillis();

    final URL url = new URL(urlString);
    final HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setDoOutput(true);//from  www.  ja  va  2 s .c  o  m
    conn.setRequestMethod("DELETE");
    conn.connect();

    final BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));

    final StringBuilder sb = new StringBuilder();
    String line = null;
    while ((line = reader.readLine()) != null) {
        sb.append(line);
    }

    final long stop = System.currentTimeMillis();

    LOGGER.info(" Time take for Request : " + urlString + " in ms:" + (stop - start));

    return sb.toString();
}

From source file:jmc.util.UtlFbComents.java

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

    File f = null;/*  ww  w  .java2 s. 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=" + 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:Main.java

public static String readTextFromURL(String urlString) throws IOException {

    HttpURLConnection urlConnection = null;

    URL url = new URL(urlString);

    urlConnection = (HttpURLConnection) url.openConnection();

    urlConnection.setRequestMethod("GET");
    urlConnection.setReadTimeout(10000 /* milliseconds */);
    urlConnection.setConnectTimeout(15000 /* milliseconds */);

    urlConnection.setDoOutput(true);//from   w  w  w . jav a2  s  .c om

    urlConnection.connect();

    BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));

    char[] buffer = new char[1024];

    String jsonString = new String();

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

    return sb.toString();
}

From source file:com.mytwitter.Network.NetworkHelper.java

/**
 * Verifies that the handset is connected to the Internet.
 *
 * @return//from  w  w  w . ja v a  2 s . co m
 */
public static boolean connectedToInternet(Context context) throws IOException {

    if (!connectedToNetwork(getConnectivityManager(context)))
        return false;

    URL googleUrl = new URL(WEBADDRESS_GOOGLE_COM_URL);
    HttpURLConnection connection = (HttpURLConnection) googleUrl.openConnection();
    connection.setConnectTimeout(NETWORK_CONNECTION_CONNECT_TIMEOUT);
    connection.connect();

    if (connection.getResponseCode() == HttpStatus.SC_OK)
        return true;

    return false;

    /**
     *  Alternative way (NOT TESTED):
     *
     boolean result = false;
            
     URL url;
     HttpURLConnection connection = null;
            
     try {
     url = new URL(WEBADDRESS_ANDROID_COM_URL);
            
     connection = (HttpURLConnection) url.openConnection();
     connection.setConnectTimeout(NETWORK_CONNECTION_CONNECT_TIMEOUT);
     connection.setReadTimeout(NETWORK_CONNECTION_READ_TIMEOUT);
            
     InetAddress address = InetAddress.getByName(WEBADDRESS_ANDROID_COM_IP);
            
     result = address.isReachable(NETWORK_CONNECTION_CONNECT_TIMEOUT);
            
     // Redirect check is valid only after the response headers have been received
     // InputStream in = new BufferedInputStream(connection.getInputStream());
            
     //            if (url.getHost().equals(connection.getURL().getHost()))
     //                result = true;
            
     } catch (Exception e) {
     e.printStackTrace();
     } finally {
     connection.disconnect();
     }
            
     return result;
     */
}

From source file:jmc.util.UtlFbComents.java

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

    File f = null;// www  .j  av a  2 s. com

    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);
    }
}