Source code: Freenet/ListenerFactory.java

   package Freenet;
   
   import java.lang.reflect.*;
   import java.net.*;
   
   public class ListenerFactory
   {
     static public Listener listen(String str) throws BindException
     {
      return listen(new ListeningAddress(str));
    }
  
    static public Listener listen(ListeningAddress address) throws BindException
    {
      try
      {
        Class c=Class.forName("Freenet."+address.protocol+"Listener");
        Class[] carr={Class.forName("Freenet."+address.protocol+"ListeningAddress")};
        Constructor con=c.getConstructor(carr);
        Object[] aar={address.address};
        return (Listener)con.newInstance(aar);
      }
      catch(InvocationTargetException e)
      {
    if (e.getTargetException() instanceof BindException)
        throw (BindException) e.getTargetException();
        e.getTargetException().printStackTrace();
        return null;
      }
      catch(Exception e) { e.printStackTrace(); return null; }
    }
  }