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 void main(String[] argv) throws Exception {
    URL url = new URL("jar:file:/c://my.jar!/");
    JarURLConnection conn = (JarURLConnection) url.openConnection();

    Attributes attrs = conn.getMainAttributes();
    System.out.println(attrs.isEmpty());
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    URL url = new URL("jar:file:/c://my.jar!/");
    JarURLConnection conn = (JarURLConnection) url.openConnection();

    Manifest manifest = conn.getManifest();
    System.out.println(manifest);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    URL url = new URL("jar:file:/c://my.jar!/");
    JarURLConnection conn = (JarURLConnection) url.openConnection();

    JarEntry jarEntry = conn.getJarEntry();
    System.out.println(jarEntry.getName());
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    URL url = new URL("jar:file:/c://my.jar!/");
    JarURLConnection conn = (JarURLConnection) url.openConnection();

    Attributes attrs = conn.getAttributes();

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com");
    URLConnection conn = url.openConnection();
    conn.setDoOutput(true);/*from w  w  w .  j a  va  2  s  . c o  m*/
    OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());

    writer.write("value=1&anotherValue=1");
    writer.flush();
    String line;
    BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    while ((line = reader.readLine()) != null) {
        System.out.println(line);
    }
    writer.close();
    reader.close();

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    URL url = new URL("jar:file:/c://my.jar!/");
    JarURLConnection conn = (JarURLConnection) url.openConnection();

    conn = (JarURLConnection) url.openConnection();
    JarFile jarfile = conn.getJarFile();
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {

    URL u = new URL("http://www.java2s.com");
    HttpURLConnection http = (HttpURLConnection) u.openConnection();
    http.setRequestMethod("HEAD");
    System.out.println(u + "was last modified at " + new Date(http.getLastModified()));
}

From source file:Main.java

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

    System.out.println("Response code is " + httpCon.getResponseCode());
}

From source file:MainClass.java

public static void main(String args[]) throws Exception {
    int c;//from   www  .  j  a v  a 2s. com
    URL hp = new URL("http", "www.java2s.com", 80, "/");
    URLConnection hpCon = hp.openConnection();
    System.out.println("Date: " + hpCon.getDate());
    System.out.println("Type: " + hpCon.getContentType());
    System.out.println("Exp: " + hpCon.getExpiration());
    System.out.println("Last M: " + hpCon.getLastModified());
    System.out.println("Length: " + hpCon.getContentLength());
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    URL url = new URL("jar:file:/c://my.jar!/");
    JarURLConnection conn = (JarURLConnection) url.openConnection();

    Attributes attrs = conn.getAttributes();
    Certificate[] certs = conn.getCertificates();

}