u01csubjectaction.java

持久层hibernate技术使用的一个例子

package cn.hope.mana.action;

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

import org.apache.log4j.Logger;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.actions.DispatchAction;
import org.apache.struts.validator.DynaValidatorForm;

import cn.hope.mana.bo.U01CSubjectBO;
import cn.hope.mana.pojo.CSubject;

public class U01CSubjectAction extends DispatchAction {
	Logger log = Logger.getLogger(U01CSubjectAction.class.getName());
	
	private U01CSubjectBO subjectBO = new U01CSubjectBO();
	public ActionForward search(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionMessages errors = new ActionMessages();
		String dIdStr = request.getParameter("subjectId");
		DynaValidatorForm subjectForm = (DynaValidatorForm) form;
		try {
			if (dIdStr != null) {
				Integer dId = Integer.valueOf(dIdStr.trim());
				CSubject subject = subjectBO.search(dId);
				request.getSession().setAttribute("subject",subject);
				return mapping.findForward("update");
			}
			request.getSession().setAttribute("subjectList",subjectBO.search());
			subjectForm.set("cSubject",new CSubject());
			return mapping.findForward("success");
		}catch (Exception e) {
			log.error(e);
			e.printStackTrace();
			ActionMessage am = new ActionMessage(e.toString());
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"errors.u07exception"));
			errors.add(ActionMessages.GLOBAL_MESSAGE, am);
			saveErrors(request, errors);
			return mapping.findForward("errorPage");
		}
	}
	
	public ActionForward insert(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionMessages errors = new ActionMessages();
		DynaValidatorForm subjectForm = (DynaValidatorForm) form;
		CSubject cSubject = (CSubject)subjectForm.get("cSubject");
		try {
			if (!subjectBO.insert(cSubject)) {
				errors.add("error",new ActionMessage(
						"errors.U01CSubjectForm.SSbname.haved"));
				saveErrors(request,errors);
				return mapping.findForward("error");
			}
		}catch (Exception e) {
			log.error(e);
			e.printStackTrace();
			ActionMessage am = new ActionMessage(e.toString());
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"errors.u07exception"));
			errors.add(ActionMessages.GLOBAL_MESSAGE, am);
			saveErrors(request, errors);
			return mapping.findForward("errorPage");			
		}
		return mapping.findForward("success");
	}
	
	public ActionForward update(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionMessages errors = new ActionMessages();
		String subjectId = request.getParameter("SSid");
		DynaValidatorForm subjectForm = (DynaValidatorForm) form;
		CSubject cSubject = (CSubject)subjectForm.get("cSubject");
		cSubject.setSSid(Integer.valueOf(subjectId));
		try {
			if (!subjectBO.update(cSubject)) {
				errors.add("error",new ActionMessage(
						"errors.U01CSubjectForm.SSbname.haved"));
				saveErrors(request,errors);
				return mapping.findForward("error");
			}
		}catch (Exception e) {
			log.error(e);
			e.printStackTrace();
			ActionMessage am = new ActionMessage(e.toString());
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"errors.u07exception"));
			errors.add(ActionMessages.GLOBAL_MESSAGE, am);
			saveErrors(request, errors);
			return mapping.findForward("errorPage");			
		}
		return mapping.findForward("success");
	}
	
	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response)
			throws Exception {
		ActionMessages errors = new ActionMessages();
		DynaValidatorForm subjectForm = (DynaValidatorForm) form;
		CSubject cSubject = (CSubject)subjectForm.get("cSubject");
		try {
			if (!subjectBO.delete(cSubject)) {
				errors.add("error",new ActionMessage(
						"errors.U01CSubjectForm.sub.error"));
				saveErrors(request,errors);
				return mapping.findForward("error");
			}
		}catch (Exception e) {
			log.error(e);
			e.printStackTrace();
			ActionMessage am = new ActionMessage(e.toString());
			errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage(
					"errors.u07exception"));
			errors.add(ActionMessages.GLOBAL_MESSAGE, am);
			saveErrors(request, errors);
			return mapping.findForward("errorPage");			
		}
		return mapping.findForward("success");
	}
}