Scripts: Scripts: Java :: using java.net tools :: Library Article #3

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Read a Webpage using Java
By: Erobo Team Member

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Learn to read the contents of a webpage using the java.net tools.

In this article we will be looking at one of the most important java.net components: the URL object. When we instantiate an object of type URL, we can create a stream using the URL.openStream() method. This in turn will allow us to use an InputStreamReader object to read the contents of the script into a Buffer Reader.

Example:

 Code Snippet 1

import java.net.*;
import java.io.*;

public class readSite {

  public static void main(String args[]) {
  
  try
  {
   //read the contents of http://www.internet.com
   //and output them to the console window
    URL siteUrl = new URL("http://www.internet.com");
    BufferedReader in = new BufferedReader(
                                        new InputStreamReader(
                                        siteUrl.openStream()));

    String inputLine;

    while ((inputLine = in.readLine()) != null)
        System.out.println(inputLine);

    in.close();

  }
  catch(MalformedURLException e)
  {
   System.out.println("The Url doesn't exist");
  }
  catch(IOException e)
  {
   System.out.println("an Exception has occured");
  }

  }
  

  }


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