manageclassesaction.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.ClassesForm;
import tarena.pojo.Classes;
import tarena.proxy.Business;
import tarena.util.ContextUtil;

public class ManageClassesAction extends LookupDispatchAction {

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

	public ActionForward update(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ClassesForm classesForm = (ClassesForm) form;
		Session session = (Session)request.getAttribute(ContextUtil.SESSION);		
		Classes classes = Business.findClasses(session, classesForm.getId());
		classesForm.setName(classes.getName());
		classesForm.setTypes(classes.getTypes());
		
		return mapping.findForward("update");
	}
	
	public ActionForward save(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ClassesForm classesForm = (ClassesForm) form;
		Classes classes = new Classes();
		classes.setId(classesForm.getId());
		classes.setName(classesForm.getName());
		classes.setTypes(classesForm.getTypes());
		ActionErrors errors = new ActionErrors();
		Session session = (Session)request.getAttribute(ContextUtil.SESSION);
		if (Business.updateClasses(session, classes)) {
			errors.add("info.updateclasses", new ActionMessage(
					"info.updateclasses"));
		} else {
			errors.add("error.updateclasses", new ActionMessage(
					"error.updateclasses"));
		}
		saveErrors(request.getSession(), errors);
		return mapping.findForward("return");
	}

	public ActionForward delete(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ClassesForm classesForm = (ClassesForm) form;
		Classes classes = new Classes();
		classes.setId(classesForm.getId());
		classes.setName(classesForm.getName());
		classes.setTypes(classesForm.getTypes());
		ActionErrors errors = new ActionErrors();
		Session session = (Session)request.getAttribute(ContextUtil.SESSION);
		if (Business.deleteClasses(session, classes)) {
			errors.add("info.deleteclasses", new ActionMessage(
					"info.deleteclasses"));
		} else {
			errors.add("error.deleteclasses", new ActionMessage(
					"error.deleteclasses"));
		}
		saveErrors(request.getSession(), errors);
		return mapping.findForward("return");
	}
}