managecourseaction.java

近几年来

package tarena.action;

import java.util.HashMap;
import java.util.Map;

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

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 org.apache.struts.action.ActionMessage;
import org.apache.struts.actions.LookupDispatchAction;
import org.hibernate.Session;

import tarena.form.CourseForm;
import tarena.pojo.Course;
import tarena.proxy.Business;
import tarena.util.ContextUtil;

public class ManageCourseAction extends LookupDispatchAction {

	protected Map getKeyMethodMap() {
		Map map = new HashMap();
		map.put("info.button.update", "update");
		map.put("info.button.delete", "delete");
		return map;
	}

	public ActionForward update(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		CourseForm courseForm = (CourseForm) form;
		Course course = new Course();
		course.setId(courseForm.getId());
		course.setName(courseForm.getName());
		course.setDescription(courseForm.getDescription());
		ActionErrors errors = new ActionErrors();
		Session session = (Session)request.getAttribute(ContextUtil.SESSION);
		if (Business.updateCourse(session, course)) {
			errors.add("info.updatecourse", new ActionMessage(
					"info.updatecourse"));
		} else {
			errors.add("error.updatecourse", new ActionMessage(
					"error.updatecourse"));
		}
		saveErrors(request.getSession(), errors);
		return mapping.findForward("return");
	}

	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		CourseForm courseForm = (CourseForm) form;
		Course course = new Course();
		course.setId(courseForm.getId());
		course.setName(courseForm.getName());
		course.setDescription(courseForm.getDescription());
		ActionErrors errors = new ActionErrors();
		Session session = (Session)request.getAttribute(ContextUtil.SESSION);
		if (Business.deleteCourse(session, course)) {
			errors.add("info.deletecourse", new ActionMessage(
					"info.deletecourse"));
		} else {
			errors.add("error.deletecourse", new ActionMessage(
					"error.deletecourse"));
		}
		saveErrors(request.getSession(), errors);
		return mapping.findForward("return");
	}
}