Example usage for java.net URL openConnection

List of usage examples for java.net URL openConnection

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Introduction

In this page you can find the example usage for java.net URL openConnection.

Prototype

public URLConnection openConnection() throws java.io.IOException

Source Link

Document

Returns a java.net.URLConnection URLConnection instance that represents a connection to the remote object referred to by the URL .

Usage

From source file:com.wishlist.Utility.java

public static Bitmap getBitmap(String url) {
    Bitmap bm = null;//w  ww .  j  a  va  2  s . c om
    try {

        URL aURL = new URL(url);
        URLConnection conn = aURL.openConnection();
        conn.connect();
        InputStream is = conn.getInputStream();
        BufferedInputStream bis = new BufferedInputStream(is);
        bm = BitmapFactory.decodeStream(new FlushedInputStream(is));
        bis.close();
        is.close();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (httpclient != null) {
            httpclient.close();
        }
    }
    return bm;
}

From source file:Main.java

public static Bitmap getImageFromURL(URL url) {

    Bitmap bitmap = null;//from w ww .ja v  a 2s .c o m

    HttpURLConnection connection = null;

    try {

        connection = (HttpURLConnection) url.openConnection();

        if (connection.getResponseCode() != 200) {
            return null;
        }
        if (!CONTENT_TYPE_IMAGE.equalsIgnoreCase(connection.getContentType().substring(0, 5))) {
            return null;
        }

        bitmap = BitmapFactory.decodeStream(connection.getInputStream());

    } catch (IOException e) {

        e.printStackTrace();

    }

    if (connection != null) {

        connection.disconnect();

    }

    return bitmap;

}

From source file:eionet.cr.util.FileUtil.java

/**
 * Downloads the contents of the given URL into the given file and closes the file.
 *
 * @param urlString downloadable url/*  ww w .  java2s.c  om*/
 * @param toFile output file location
 * @throws IOException if input of output fails
 */
public static void downloadUrlToFile(final String urlString, final File toFile) throws IOException {

    URLConnection urlConnection = null;
    InputStream inputStream = null;
    try {
        URL url = new URL(urlString == null ? urlString : StringUtils.replace(urlString, " ", "%20"));
        urlConnection = url.openConnection();
        urlConnection.setRequestProperty("Connection", "close");
        inputStream = urlConnection.getInputStream();
        FileUtil.streamToFile(inputStream, toFile);
    } finally {
        IOUtils.closeQuietly(inputStream);
        URLUtil.disconnect(urlConnection);
    }
}

From source file:ilearnrw.utils.ServerHelperClass.java

public static String sendGet(String link) throws Exception {
    String url = baseUrl + link;//from   w  w w. ja  va 2 s .c  o  m
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();
    // optional default is GET
    con.setRequestMethod("GET");
    con.setRequestProperty("Authorization", userNamePasswordBase64("api", "api"));
    //con.setRequestProperty("User-Agent", USER_AGENT);

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
    String inputLine;
    StringBuffer response = new StringBuffer();

    while ((inputLine = in.readLine()) != null) {
        response.append(inputLine);
    }
    in.close();
    return response.toString();
}

From source file:org.cytoscape.app.internal.net.server.CyHttpdImplTest.java

private static HttpURLConnection connectToURL(String urlString, String method) throws Exception {
    final URL url = new URL(urlString);
    final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setRequestMethod(method);
    connection.setDoOutput(true);/*  w  w w .jav a 2s  .  c o m*/
    connection.connect();
    return connection;
}

From source file:dataflow.feed.api.Weather.java

/**
 * Method which builds the string of the URL to call
 * @param myURL the URL which must become a callURL
 * @return //from   www.j a va  2 s.c o  m
 */
public static String callURL(String myURL) {
    //System.out.println("Requested URL:" + myURL);
    StringBuilder sb = new StringBuilder();
    URLConnection urlConn = null;
    InputStreamReader in = null;
    try {
        URL url = new URL(myURL);
        urlConn = url.openConnection();
        if (urlConn != null)
            urlConn.setReadTimeout(60 * 1000);
        if (urlConn != null && urlConn.getInputStream() != null) {
            in = new InputStreamReader(urlConn.getInputStream(), Charset.defaultCharset());
            BufferedReader bufferedReader = new BufferedReader(in);
            if (bufferedReader != null) {
                int cp;
                while ((cp = bufferedReader.read()) != -1) {
                    sb.append((char) cp);
                }
                bufferedReader.close();
            }
        }
        in.close();
    } catch (Exception e) {
        throw new RuntimeException("Exception while calling URL:" + myURL, e);
    }

    return sb.toString();
}

From source file:it.isti.cnr.hpc.europeana.hackthon.domain.FreebaseMapper.java

public static Freebase getInstanceFromQuery(String query)
        throws IOException, EntityException, NoResultException {
    KeyGenerator kg = new KeyGenerator();
    Integer key = kg.getKey(query);
    if (cache.containsKey(key))
        return cache.get(key);

    String uri = SuggestionProperties.getInstance().getProperty("freebase.query.api");
    uri += query;/*from   w  w w. j ava 2  s  . com*/

    try {
        uri = URIUtil.encodeQuery(uri);
    } catch (URIException e) {
        logger.error("Error producing the enconded query for {}", uri);
        return null;
    }
    try {
        URL u = new URL(uri);
        URLConnection uc = u.openConnection();

        InputStream is = uc.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        Freebase fb = parseFromJson(br);
        cache.put(key, fb);
        return fb;

    } catch (IOException e) {
        throw new IOException("error retrieving the query from freebase");

    }

}

From source file:gov.nist.healthcare.ttt.webapp.common.controller.GetCCDADocumentsController.java

public static JSONObject getHTML(String urlToRead) throws Exception {
    StringBuilder result = new StringBuilder();
    URL url = new URL(urlToRead);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("GET");
    BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    String line;//from   ww  w. j ava 2 s  . c  o m
    while ((line = rd.readLine()) != null) {
        result.append(line);
    }
    rd.close();
    return new JSONObject(result.toString());
}

From source file:com.melchor629.musicote.Utils.java

/**
 * HostTest//from  ww  w.  ja  v a2  s . c  om
 * Sirve para comprobar si est encendido el PC
 * Nothing to see here...
 *
 * @param host HOST IP
 * @return int response
 */
public static int HostTest(String host) {
    int response = 0;

    try {
        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
        StrictMode.setThreadPolicy(policy);
        URL urlhttp = new URL("http://" + host);
        HttpURLConnection http = (HttpURLConnection) urlhttp.openConnection();
        http.setReadTimeout(1000);
        response = http.getResponseCode();
        http.disconnect();
    } catch (Exception e) {
        Log.e("Comprobando", "Excepcin HTTPURL: " + e.toString() + " " + host);
    }

    return response;
}

From source file:com.example.facebook_photo.Utility.java

public static Bitmap getBitmap(String url) {
    Bitmap bm = null;/*from w  w w  . j  a v a 2  s  . c  o m*/
    try {
        URL aURL = new URL(url);
        URLConnection conn = aURL.openConnection();
        conn.connect();
        InputStream is = conn.getInputStream();
        BufferedInputStream bis = new BufferedInputStream(is);
        bm = BitmapFactory.decodeStream(new FlushedInputStream(is));
        bis.close();
        is.close();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (httpclient != null) {
            httpclient.close();
        }
    }
    return bm;
}