how can client make request through proxyserver

[Helen Chen]

Hello there,

I'm new to restlet and I'm using restlet 1.0 now.

I'm trying to do a client request through the proxyserver, I tried the
following ways but they don't work.

  this is one thing I tried  (this kind of followed the sample from the
document restlet 1.0- First resource - the client application):
      Client client = new Client(Protocol.HTTP);
     System.setProperty("http.proxyHost","myhostname");
     System.setProperty("http.proxyPort","80");
      Reference itemsUri1 = new Reference( mytesturl);
      ...
      get(client, itemsUri1);
     

 and then I tried another way:
      Client client = new Client(Protocol.HTTP);
      client.getContext().getParameters().add("http.proxyHost" ,"myhostname");
      client.getContext().getParameters().add("http.proxyPort" ,"80");
      ....
      get(client, itemsUri1);


They don't work.   There must be something I missed.  Can anyone help me out? 
If I have to use the new release Version 1.1 M4, I can try it.

Thanks, Helen