// Reading a WWW page and using a try with more than one catch clause
// Barry Cornelius, 23rd November 1999
import java.io.   BufferedReader;
import java.io.   InputStream;
import java.io.   InputStreamReader;
import java.io.   IOException;
import java.net.  MalformedURLException;
import java.util. Properties;
import java.net.  URL;
public class WWWManyCatchClauses
{
   public static void main(final String[] pArgs)
   {
      // you will need to uncomment the following three statements
      // if your access to the WWW is through a proxy machine
      // you will have to replace proxymachine.sitename.com
      // and 8080 with appropriate values for your site
      // final Properties tProperties = System.getProperties();
      // tProperties.put("http.proxyHost", "proxymachine.sitename.com");
      // tProperties.put("http.proxyPort", "8080");
      final BufferedReader tKeyboard = 
            new BufferedReader(new InputStreamReader(System.in));
      System.out.print("URL? ");
      String tUrlString = null;
      URL tUrl = null;
      InputStream tInputStream = null;
      try
      {
         tUrlString = tKeyboard.readLine();
         tUrl = new URL(tUrlString);
         tInputStream = tUrl.openStream();
      }
      catch(MalformedURLException pMalformedURLException)
      {
         System.out.println("MalformedURLException occurred");
         System.exit(1);
      }
      catch(IOException pIOException)
      {
         System.out.println("IOException occurred");
         System.exit(2);
      }
      final BufferedReader tWebPage = 
            new BufferedReader(new InputStreamReader(tInputStream));
      try
      {
         while (true)
         {
            String tLine = tWebPage.readLine();
            if ( tLine == null )
            {
               break;
            }
            System.out.println(tLine);
         }
      }
      catch(IOException pIOException)
      {
         System.out.println("IOException occurred later");
         System.exit(3);
      }
   }
}