abstractformpage.java

采用tapestry的简单OA系统

package com.ejsun.entapps.presentation.pages.simpleoa;

import org.apache.tapestry.event.PageEvent;
import org.apache.tapestry.event.PageRenderListener;

import com.ejsun.entapps.domain.simpleoa.Form;
import com.ejsun.entapps.presentation.pages.Protected;
import com.ejsun.entapps.service.simpleoa.FormService;

/**
 * @author	Quake Wang
 * @since	2004-5-26
 * @version $Revision: 1.1 $
 * 
 **/
public abstract class AbstractFormPage extends Protected implements PageRenderListener {
	public abstract long getFormId();
	public abstract Form getForm();
	public abstract FormService getFormService();
	public abstract void setFormId(long id);	
	public abstract void setForm(Form form);
	
	public void pageBeginRender(PageEvent event){
		if(getForm() == null) {
			setForm(getFormService().loadFormById(getFormId()));
		}
	}
}