customertypefindbyprimarykeyaction.java

由于跟踪客户的购物意向

package com.relationinfo.customertrace.struts.actions;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.relationinfo.customertrace.dao.CustomerTypeDao;
import com.relationinfo.customertrace.dto.CustomerType;
import com.relationinfo.customertrace.factory.CustomerTypeDaoFactory;
import com.relationinfo.customertrace.struts.forms.CustomerTypeForm;

public class CustomerTypeFindByPrimaryKeyAction extends Action
{
	/**
	 * Method 'execute'
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @throws Exception
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception
	{
		try {
			// 解析参数
			java.lang.String _customertypecode = request.getParameter("customertypecode");
		
			//创建Dao类
			CustomerTypeDao dao = CustomerTypeDaoFactory.create();
		
			// 执行查询
			CustomerType dto = dao.findByPrimaryKey(_customertypecode);
		
			// 检测是否查到记录
			if (dto == null) {
				throw new RuntimeException( "Finder did not return any data" );
			}
		
			String crudMethod = request.getParameter("crudMethod");
			if (crudMethod == null) {
				crudMethod = "view";
			}
		
			// populate a struts form
			CustomerTypeForm customerTypeForm = new CustomerTypeForm();
			customerTypeForm.setCrudMethod( request.getParameter("crudMethod") );
			customerTypeForm.setCustomertypecode(dto.getCustomertypecode());
			customerTypeForm.setCustomertypename(dto.getCustomertypename());
			// 存储结果
			request.getSession().setAttribute( "CustomerType", customerTypeForm );
		
			return mapping.findForward( crudMethod );
		}
		catch (Exception e) {
			ActionErrors _errors = new ActionErrors();
			_errors.add( ActionErrors.GLOBAL_MESSAGE, new ActionMessage("internal.error", e.getClass().getName() + ": " + e.getMessage() ) );
			saveErrors( request, _errors );
			return mapping.findForward( "failure" );
		}
		
	}

}