Example usage for java.net URL openConnection

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:Main.java

public static String jsonGetRequest(String urlQueryString) {
    String json = null;/*from   w w  w  .j  ava 2 s. c om*/
    try {
        URL url = new URL(urlQueryString);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(true);
        connection.setInstanceFollowRedirects(false);
        connection.setRequestMethod("GET");
        connection.setRequestProperty("Content-Type", "application/json");
        connection.setRequestProperty("charset", "utf-8");
        connection.connect();
        InputStream inStream = connection.getInputStream();
        json = streamToString(inStream); // input stream to string
    } catch (IOException ex) {
        ex.printStackTrace();
    }
    return json;
}

From source file:Main.java

public static Drawable GetUrlDrawable(String url) {
    try {/*from w  w w  .j a va  2  s.  c o  m*/
        URL aryURI = new URL(url);
        URLConnection conn = aryURI.openConnection();
        InputStream is = conn.getInputStream();
        Bitmap bmp = BitmapFactory.decodeStream(is);
        return new BitmapDrawable(bmp);
    } catch (Exception e) {
        Log.e("ERROR", "urlImage2Drawable failed with image url at " + url, e);
        return null;
    }
}

From source file:Main.java

public static String getJsonString(String urlString) throws Exception {
    InputStream is = null;//from w  w  w  . j av  a  2  s  .c o  m
    Reader reader = null;
    StringBuilder str = new StringBuilder();
    URL url = new URL(urlString);
    URLConnection URLConn = url.openConnection();
    URLConn.setRequestProperty("User-agent", "IE/6.0");
    is = URLConn.getInputStream();
    reader = new InputStreamReader(is, "UTF-8");
    char[] buffer = new char[1];
    while (reader.read(buffer) != -1) {
        str.append(new String(buffer));
    }
    return str.toString();
}

From source file:Main.java

protected static InputStream getInputStream(String path) throws IOException {
    URL url = new URL(path);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    return connection.getInputStream();
}

From source file:Main.java

private static InputStream OpenHttpConnection(String strURL, Boolean cache) throws IOException {
    InputStream inputStream = null;

    try {/*from   ww w . j  av a2 s .  com*/
        URL url = new URL(strURL);
        URLConnection conn = url.openConnection();
        conn.setUseCaches(cache);
        HttpURLConnection httpConn = (HttpURLConnection) conn;
        httpConn.setRequestMethod("GET");
        httpConn.connect();

        if (httpConn.getResponseCode() == HttpURLConnection.HTTP_OK)
            inputStream = httpConn.getInputStream();

    } catch (Exception ex) {
    }
    return inputStream;
}

From source file:Main.java

public static DataInputStream getStream(String filePath) throws Exception {
    URL url1 = new URL(filePath);
    HttpURLConnection conn = (HttpURLConnection) url1.openConnection();
    DataInputStream in = new DataInputStream(conn.getInputStream());
    return in;/* w w  w .j  av a 2 s. com*/
}

From source file:Main.java

public static boolean delete(String murl) throws Exception {
    URL url = new URL(murl);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("DELETE");
    conn.setConnectTimeout(5000);/* w  w w  . ja va 2 s. co m*/
    if (conn.getResponseCode() == 204) {
        return true;
    }
    return false;
}

From source file:Main.java

public static Drawable getDrawable(String urlpath) {
    Drawable d = null;//  w w  w. j  a  va2 s  .  c o  m
    try {
        URL url = new URL(urlpath);
        URLConnection conn = url.openConnection();
        conn.connect();
        InputStream in;
        in = conn.getInputStream();
        d = Drawable.createFromStream(in, "background.jpg");
        // TODO Auto-generated catch block
    } catch (IOException e) {
        e.printStackTrace();
    }
    return d;
}

From source file:Main.java

private static HttpURLConnection getHttpURLConnection(String strURL) throws IOException {
    URL url = new URL(strURL);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setConnectTimeout(10000);//w  w w .j  a va2s.co  m
    conn.setReadTimeout(15000);
    return conn;
}

From source file:Main.java

public static Bitmap getBitmap(String biturl) {

    Bitmap bitmap = null;//from   ww w  . j a  va 2s  .co  m

    try {

        URL url = new URL(biturl);
        URLConnection conn = url.openConnection();
        InputStream in = conn.getInputStream();
        bitmap = BitmapFactory.decodeStream(new BufferedInputStream(in));

    } catch (Exception e) {

        e.printStackTrace();
    }
    return bitmap;

}