Java tutorial
/** * Copyright 2002 Instituto Superior Tcnico * * This file is part of FenixEdu Core. * * FenixEdu Core is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * FenixEdu Core is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with FenixEdu Core. If not, see <http://www.gnu.org/licenses/>. */ package net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager; import java.util.Collections; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sourceforge.fenixedu.applicationTier.Servico.exceptions.FenixServiceException; import net.sourceforge.fenixedu.applicationTier.Servico.resourceAllocationManager.DeleteCourseLoad; import net.sourceforge.fenixedu.applicationTier.Servico.resourceAllocationManager.EditExecutionCourse; import net.sourceforge.fenixedu.applicationTier.Servico.resourceAllocationManager.ReadClassesByExecutionCourse; import net.sourceforge.fenixedu.dataTransferObject.InfoClass; import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionCourse; import net.sourceforge.fenixedu.dataTransferObject.resourceAllocationManager.CourseLoadBean; import net.sourceforge.fenixedu.domain.CourseLoad; import net.sourceforge.fenixedu.domain.ExecutionCourse; import net.sourceforge.fenixedu.domain.ShiftType; import net.sourceforge.fenixedu.domain.exceptions.DomainException; import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.base.FenixExecutionCourseAndExecutionDegreeAndCurricularYearContextDispatchAction; import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.PresentationConstants; import org.apache.commons.beanutils.BeanComparator; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import pt.ist.fenixWebFramework.renderers.utils.RenderUtils; import pt.ist.fenixWebFramework.struts.annotations.Forward; import pt.ist.fenixWebFramework.struts.annotations.Forwards; import pt.ist.fenixWebFramework.struts.annotations.Mapping; import pt.ist.fenixframework.FenixFramework; /** * @author Luis Cruz & Sara Ribeiro * */ @Mapping(path = "/manageExecutionCourse", module = "resourceAllocationManager", functionality = ManageExecutionCoursesDA.class) @Forwards(@Forward(name = "ManageExecutionCourse", path = "/resourceAllocationManager/manageExecutionCourse_bd.jsp")) public class ManageExecutionCourseDA extends FenixExecutionCourseAndExecutionDegreeAndCurricularYearContextDispatchAction { public ActionForward prepare(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { InfoExecutionCourse infoExecutionCourse = (InfoExecutionCourse) request .getAttribute(PresentationConstants.EXECUTION_COURSE); ExecutionCourse executionCourse = infoExecutionCourse.getExecutionCourse(); readAndSetExecutionCourseClasses(request, executionCourse); request.setAttribute("courseLoadBean", new CourseLoadBean(executionCourse)); return mapping.findForward("ManageExecutionCourse"); } public ActionForward preparePostBack(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { CourseLoadBean bean = getRenderedObject("courseLoadBeanID"); ShiftType type = bean.getType(); if (type != null) { CourseLoad courseLoad = bean.getExecutionCourse().getCourseLoadByShiftType(type); if (courseLoad != null) { bean.setUnitQuantity(courseLoad.getUnitQuantity()); bean.setTotalQuantity(courseLoad.getTotalQuantity()); } else { bean.setUnitQuantity(null); bean.setTotalQuantity(null); } } readAndSetExecutionCourseClasses(request, bean.getExecutionCourse()); RenderUtils.invalidateViewState("courseLoadBeanID"); request.setAttribute("courseLoadBean", bean); return mapping.findForward("ManageExecutionCourse"); } public ActionForward showCourseLoad(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { CourseLoadBean bean = getRenderedObject("courseLoadBeanID"); readAndSetExecutionCourseClasses(request, bean.getExecutionCourse()); request.setAttribute("courseLoadBean", bean); return mapping.findForward("ManageExecutionCourse"); } public ActionForward edit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { CourseLoadBean bean = getRenderedObject("courseLoadBeanID"); try { EditExecutionCourse.run(bean); } catch (DomainException e) { addActionMessage(request, e.getMessage()); readAndSetExecutionCourseClasses(request, bean.getExecutionCourse()); request.setAttribute("courseLoadBean", bean); return mapping.findForward("ManageExecutionCourse"); } bean.setType(null); bean.setUnitQuantity(null); bean.setTotalQuantity(null); readAndSetExecutionCourseClasses(request, bean.getExecutionCourse()); request.setAttribute("courseLoadBean", bean); return mapping.findForward("ManageExecutionCourse"); } public ActionForward deleteCourseLoad(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { CourseLoad courseLoad = getCourseLoadFromParameter(request); ExecutionCourse executionCourse = courseLoad.getExecutionCourse(); try { DeleteCourseLoad.run(courseLoad); } catch (DomainException e) { addActionMessage(request, e.getMessage()); } readAndSetExecutionCourseClasses(request, executionCourse); request.setAttribute("courseLoadBean", new CourseLoadBean(executionCourse)); return mapping.findForward("ManageExecutionCourse"); } private void readAndSetExecutionCourseClasses(HttpServletRequest request, ExecutionCourse executionCourse) throws FenixServiceException { List<InfoClass> infoClasses = ReadClassesByExecutionCourse.runReadClassesByExecutionCourse(executionCourse); if (infoClasses != null && !infoClasses.isEmpty()) { Collections.sort(infoClasses, new BeanComparator("nome")); request.setAttribute(PresentationConstants.LIST_INFOCLASS, infoClasses); } } private CourseLoad getCourseLoadFromParameter(final HttpServletRequest request) { final String idString = request.getParameterMap().containsKey("courseLoadID") ? request.getParameter("courseLoadID") : null; return FenixFramework.getDomainObject(idString); } }