Example usage for java.net URL URL

Introduction

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

Prototype

public URL(String spec) throws MalformedURLException

Source Link

Document

Creates a URL object from the String representation.

Usage

From source file:Main.java

public static void main(String args[]) throws Exception {
    URL url = new URL(args[0]);
    Reader reader = new InputStreamReader((InputStream) url.getContent());
    new ParserDelegator().parse(reader, new TextOnly(), false);
}

From source file:MainClass.java

public static void main(String args[]) {
    URL u;// ww  w .j av a 2 s .  com
    URLConnection uc;
    String header;

    try {
        u = new URL("http://www.java2s.com");
        uc = u.openConnection();
        for (int j = 1;; j++) {
            header = uc.getHeaderField(j);
            if (header == null)
                break;
            System.out.println(uc.getHeaderFieldKey(j) + " " + header);
        }
    } catch (MalformedURLException e) {
        System.err.println("not a URL I understand.");
    } catch (IOException e) {
        System.err.println(e);
    }
}

From source file:Main.java

public static void main(String[] args) throws IOException {
    URL[] urls = { new URL("http://yourserver/small.png") };
    for (URL url : urls) {
        ImageInputStream iis = ImageIO.createImageInputStream(url.openStream());
        Iterator<ImageReader> readers = ImageIO.getImageReaders(iis);

        System.out.println("url= " + url.getPath());
        while (readers.hasNext()) {
            ImageReader read = readers.next();
            System.out.println("format name = " + read.getFormatName());
        }/*from   ww  w.java2  s . c o m*/
        System.out.println();
    }
}

From source file:Main.java

public static void main(String[] args) throws IOException {
    URL url = new URL("http://www.java2s.com/style/download.png");

    InputStream inputStream = url.openStream();
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    byte[] buffer = new byte[1024];

    int n = 0;//from  w  ww.j  a v  a2s.c  o m
    while (-1 != (n = inputStream.read(buffer))) {
        output.write(buffer, 0, n);
    }
    inputStream.close();

    byte[] data = output.toByteArray();

    OutputStream out = new FileOutputStream("data.png");
    out.write(data);
    out.close();

    for (byte b : data) {
        System.out.printf("0x%x ", b);
    }
}

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    URL u = new URL("http://www.java2s.com");
    HttpURLConnection uc = (HttpURLConnection) u.openConnection();
    int code = uc.getResponseCode();
    String response = uc.getResponseMessage();
    System.out.println("HTTP/1.x " + code + " " + response);
    for (int j = 1;; j++) {
        String header = uc.getHeaderField(j);
        String key = uc.getHeaderFieldKey(j);
        if (header == null || key == null)
            break;
        System.out.println(uc.getHeaderFieldKey(j) + ": " + header);
    }/*  w  w w .ja  va2  s  . c  om*/
    InputStream in = new BufferedInputStream(uc.getInputStream());

    Reader r = new InputStreamReader(in);
    int c;
    while ((c = r.read()) != -1) {
        System.out.print((char) c);
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");
    final Image img = ImageIO.read(url);

    Runnable r = new Runnable() {

        @Override/*w  w  w  .j  a va2s.c om*/
        public void run() {
            JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(img)));
        }
    };
    SwingUtilities.invokeLater(r);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedImage master = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));
    BufferedImage gray = new BufferedImage(master.getWidth(), master.getHeight(), BufferedImage.TYPE_INT_ARGB);

    ColorConvertOp op = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
    op.filter(master, gray);/*from w w  w .  j  av  a2  s  . c o m*/

    // new JLabel(new ImageIcon(master));
    // new JLabel(new ImageIcon(gray));
    ImageIO.write(master, "png", new File("c:/Java_Dev/master.png"));
    ImageIO.write(gray, "png", new File("c:/Java_Dev/gray.png"));
}

From source file:Main.java

public static void main(String[] args) {
    try {//w  ww .  j  ava2s .  c  o m
        // get the java lang package
        Package pack = Package.getPackage("java.lang");

        // check if this package is sealed
        URL url = new URL("http://www.oracle.com");
        System.out.println("" + pack.isSealed(url));
    } catch (MalformedURLException ex) {
        ex.printStackTrace();
    }

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    // Read from a URL
    URL url = new URL("http://java.org/source.gif");
    Image image = ImageIO.read(url);

    JFrame frame = new JFrame();
    JLabel label = new JLabel(new ImageIcon(image));
    frame.getContentPane().add(label, BorderLayout.CENTER);
    frame.pack();//from w w w .j  av a  2  s .c  o  m
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URLConnection connection = new URL("http://api.androidhive.info/pizza/?format=xml").openConnection();
    InputStream inputStream = connection.getInputStream();
    XMLStreamReader streamReader = XMLInputFactory.newInstance().createXMLStreamReader(inputStream, "UTF-8");
    while (streamReader.hasNext())
        if (streamReader.next() == XMLStreamConstants.START_ELEMENT)
            System.out.println("START_ELEMENT " + streamReader.getName());
}