package zti;

import java.io.*;
import javax.security.auth.*;
import javax.security.auth.callback.*;

public class MyCallbackHandler implements CallbackHandler {
	private String name;

	public MyCallbackHandler(String name)
	{
		this.name = name;
	}

    public void handle(Callback callbacks[]) throws IOException, UnsupportedCallbackException {
	    for(int i=0;i<callbacks.length;i++) {
	      if(callbacks[i] instanceof NameCallback) {
	        NameCallback nc = (NameCallback) callbacks[i];
	        nc.setName(name);
	      } else {
	        throw(new UnsupportedCallbackException(callbacks[i], "not supported!"));
	      }
	    }
  }
}