TSA504.pages.UpdateExisting - Step 06

Main changes are in green colour:


package org.example.TSA504.pages;

import org.apache.tapestry.annotations.ApplicationState;
import org.apache.tapestry.annotations.Inject;
import org.example.TSA504.beans.TUser;
import org.example.TSA504.services.interfaces.UserAuthenticator;
/* BeanEditForm usage example from the ScreenCast#4 - http://tapestry.apache.org/tapestry5/screencast.html
* To get more details - http://elozovan.blogspot.com
* */

public class UpdateExisting {
@ApplicationState
private TUser _tUser; //TUser bean.
private String _tUserName;
@Inject
private UserAuthenticator _authenticator;
/* @Component //for future...
private BeanEditForm _form;*/

String onSuccess() {
if (_tUser==null){ return null;}

if (!(_authenticator.addNewTUser(_tUser))){
//_form.recordError("Sorry, a error has occured upon adding the user"); // For some reason BeanEditForm
hasn't recordError() (inspite of JavaDoc).
return null;
}
_tUser = null;
return "Start";
}
/*See for theory: http://tapestry.apache.org/tapestry5/tapestry-core/guide/pagenav.html
*onActivate()+ onPassivate() are used for getting TUser fields values upon selecting on the Home page. */
void onActivate(String userName)
{
_tUserName = userName;
_tUser = _authenticator.getTUserByUserName(_tUserName);
}
String onPassivate() { return _tUserName; }
/**
* @return the (TUser)_tUser object.
*/
public TUser getTUser() {
return _tUser;
}
}