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Java - Opening a url in new window from an applet
Posted on: April 14, 2007 at 12:00 AM

In this example you will learn how to open a new window from an applet. You can use the code given in this program to open any url by replacing the value of url.

Java - Opening a url in new window from an applet

Introduction

In this example you will learn how to open a new window from an applet. You can use the code given in this program to open any url by replacing the value of url.

In this example our applet will open new browser window and then show you the web page. Opening a new window from applet is rather very simple task as all the necessary functions are already available.

When you click the button "google" button on the applet, new browser window will open displaying the specified url, in our case url is http://www.google.com. This is accomplished by specifying the target as " _blank" while calling getAppletContext.showDocument(url, target) function.

Here is the code of the program :


import java.applet.*;

import java.awt.*;

import java.net.*;

import java.awt.event.*;



public class testURL_NewWindow extends Applet implements ActionListener{



  public void init(){

  String link_Text = "google";

  Button b = new Button(link_Text);

  b.addActionListener(this);

  add(b);

  }



  public void actionPerformed(ActionEvent ae){

  //get the button label

  Button source = (Button)ae.getSource();

  String link = "http://www."+source.getLabel()+".com";

  try

  {

  AppletContext a = getAppletContext();

  URL url = new URL(link);

  a.showDocument(url,"_blank");

//  a.showDocument(url,"_self");

//  _self to open page in same window  

  }

  catch (MalformedURLException e){

  System.out.println(e.getMessage());

  }

  }

}

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