getinfoobjectsaction.java

java shh架构的例程 对初学者有较好的指导作用

/*
 * 创建日期 2005-6-28
 *
 */
package com.ibm.sample.web.actions;

import org.apache.commons.beanutils.BeanUtils;
import org.apache.jetspeed.portlet.PortletRequest;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.ibm.sample.bo.InfoObject;
import com.ibm.sample.service.IInfoObjectService;
import com.ibm.sample.web.forms.InfoObjectForm;

/**
 * @author rayguo  mail:[e-mail]
 * 
 */
public class GetInfoObjectsAction extends BaseAction{

	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		PortletRequest request)
		throws Exception {
		
		InfoObjectForm infoObjectForm = (InfoObjectForm) form;
		String infoId = request.getParameter("id");
		
		String actionFlag = infoObjectForm.getActionFlag();
		
		
		
		IInfoObjectService iio = (IInfoObjectService)getBean("infoObjectService");
		
		InfoObject info = null;
		if (infoId!=null&&!"".equals(infoId.trim())) 
			info = iio.findInfoObjectById(new Long(infoId));
		
		
		if ("delete".equals(actionFlag)){
			iio.removeInfoObject(info.getInfoId());
			return mapping.findForward("listInfos");
		}
		else if ("view".equals(actionFlag)){
			
			BeanUtils.copyProperties(infoObjectForm,info);
			request.setAttribute("info",info);
			return mapping.findForward("viewInfo");
		}
		else if ("edit".equals(actionFlag)){
			
			BeanUtils.copyProperties(infoObjectForm,info);
			request.setAttribute("info",info);
			return mapping.findForward("editInfo");
		}
		else if ("new".equals(actionFlag)){
			
			info = new InfoObject();
			BeanUtils.copyProperties(infoObjectForm,info);
			request.setAttribute("info",info);
			return mapping.findForward("editInfo");
		}		
		else{
			return null;
		}

	}
}