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[] argv) throws Exception {
    HttpURLConnection.setFollowRedirects(false);
    HttpURLConnection con = (HttpURLConnection) new URL("http://www.google.coom").openConnection();
    con.setRequestMethod("HEAD");
    System.out.println(con.getResponseCode() == HttpURLConnection.HTTP_PARTIAL);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    HttpURLConnection.setFollowRedirects(false);
    HttpURLConnection con = (HttpURLConnection) new URL("http://www.google.coom").openConnection();
    con.setRequestMethod("HEAD");
    System.out.println(con.getResponseCode() == HttpURLConnection.HTTP_MOVED_TEMP);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    HttpURLConnection.setFollowRedirects(false);
    HttpURLConnection con = (HttpURLConnection) new URL("http://www.google.coom").openConnection();
    con.setRequestMethod("HEAD");
    System.out.println(con.getResponseCode() == HttpURLConnection.HTTP_NOT_AUTHORITATIVE);
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    URL hp = new URL("http://www.java2s.com");
    System.out.println("Protocol: " + hp.getProtocol());
    System.out.println("Port: " + hp.getPort());
    System.out.println("Host: " + hp.getHost());
    System.out.println("File: " + hp.getFile());
    System.out.println("Ext:" + hp.toExternalForm());
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String baseURLStr = "http://www.ietf.org/rfc/rfc3986.txt";
    String relativeURLStr = "rfc2732.txt";
    URL baseURL = new URL(baseURLStr);
    URL resolvedRelativeURL = new URL(baseURL, relativeURLStr);
    System.out.println("Base URL:" + baseURL);
    System.out.println("Relative URL  String:" + relativeURLStr);
    System.out.println("Resolved Relative URL:" + resolvedRelativeURL);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.google.com/index.html");
    URLConnection connection = url.openConnection();

    Map responseMap = connection.getHeaderFields();
    for (Iterator iterator = responseMap.keySet().iterator(); iterator.hasNext();) {
        String key = (String) iterator.next();
        System.out.println(key + " = ");

        List values = (List) responseMap.get(key);
        for (int i = 0; i < values.size(); i++) {
            Object o = values.get(i);
            System.out.println(o + ", ");
        }/*from ww w  . j a v a 2 s  .  c om*/
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://localhost:8080/postedresults.jsp");
    URLConnection conn = url.openConnection();
    conn.setDoInput(true);/*  ww w . j ava 2  s  .c  o m*/
    conn.setDoOutput(true);
    conn.setUseCaches(false);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

    DataOutputStream out = new DataOutputStream(conn.getOutputStream());
    String content = "CONTENT=HELLO JSP !&ONEMORECONTENT =HELLO POST !";

    out.writeBytes(content);
    out.flush();
    out.close();

    DataInputStream in = new DataInputStream(conn.getInputStream());
    String str;
    while (null != ((str = in.readUTF()))) {
        System.out.println(str);
    }
    in.close();
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    HttpURLConnection.setFollowRedirects(false);

    URL url = new URL("http://hostname:80");
    URLConnection conn = url.openConnection();

    HttpURLConnection httpConn = (HttpURLConnection) conn;
    httpConn.setInstanceFollowRedirects(false);

    conn.connect();/*from w  w w . j  ava  2 s .  c  o  m*/
}

From source file:URLGet.java

public static void main(String[] args) {
    BufferedReader in = null;//from   w w w. ja  v  a 2  s  .c o m
    if (args.length == 1) {
        try {
            URL url = new URL(args[0]);
            in = new BufferedReader(new InputStreamReader(url.openStream()));
            String line = null;
            while ((line = in.readLine()) != null)
                System.out.println(line);
        } catch (MalformedURLException ex) {
            System.err.println(ex);
        } catch (FileNotFoundException ex) {
            System.err.println("Failed to open stream to URL: " + ex);
        } catch (IOException ex) {
            System.err.println("Error reading URL content: " + ex);
        }
        if (in != null)
            try {
                in.close();
            } catch (IOException ex) {
            }
    } else
        System.err.println("Usage: URLGet URL");
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL u = new URL("http://www.google.com");
    InputStream in = u.openStream();
    MessageDigest sha = MessageDigest.getInstance("SHA");
    byte[] data = new byte[1024];
    int bytesRead = -1;
    while ((bytesRead = in.read(data)) >= 0) {
        sha.update(data, 0, bytesRead);//from  ww w. jav a  2  s  .c  o m
    }
    byte[] result = sha.digest();
    System.out.println(Arrays.toString(result));
    System.out.println(new BigInteger(result));
}