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.academicAdministration.executionCourseManagement; import java.util.ArrayList; 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.manager.DeleteExecutionCourses; import net.sourceforge.fenixedu.applicationTier.Servico.manager.executionCourseManagement.EditExecutionCourseInfo; import net.sourceforge.fenixedu.applicationTier.Servico.manager.executionCourseManagement.ReadInfoExecutionCourseByOID; import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionCourse; import net.sourceforge.fenixedu.dataTransferObject.InfoExecutionCourseEditor; import net.sourceforge.fenixedu.dataTransferObject.resourceAllocationManager.CourseLoadBean; import net.sourceforge.fenixedu.domain.CurricularYear; import net.sourceforge.fenixedu.domain.EntryPhase; import net.sourceforge.fenixedu.domain.ExecutionCourse; import net.sourceforge.fenixedu.domain.ExecutionDegree; import net.sourceforge.fenixedu.domain.ExecutionSemester; import net.sourceforge.fenixedu.domain.exceptions.DomainException; import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction; import net.sourceforge.fenixedu.presentationTier.Action.exceptions.FenixActionException; import net.sourceforge.fenixedu.presentationTier.Action.resourceAllocationManager.utils.PresentationConstants; import net.sourceforge.fenixedu.presentationTier.Action.utils.RequestUtils; import org.apache.commons.lang.StringUtils; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.DynaActionForm; import org.apache.struts.util.LabelValueBean; import org.apache.struts.validator.DynaValidatorForm; import org.slf4j.Logger; import org.slf4j.LoggerFactory; 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 Fernanda Quitrio 19/Dez/2003 * */ @Mapping(path = "/editExecutionCourse", module = "academicAdministration", input = "/editExecutionCourse.do?method=prepareEditECChooseExecDegreeAndCurYear&page=0", formBean = "executionCourseForm", functionality = EditExecutionCourseDA.class) @Forwards({ @Forward(name = "editExecutionCourse", path = "/academicAdministration/executionCourseManagement/editExecutionCourse.jsp"), @Forward(name = "viewExecutionCourse", path = "/academicAdministration/executionCourseManagement/viewExecutionCourse.jsp"), @Forward(name = "listExecutionCourseActions", path = "/academicAdministration/executionCourseManagement/listExecutionCourseActions.jsp") }) public class EditExecutionCourseDispatchAction extends FenixDispatchAction { private static final Logger logger = LoggerFactory.getLogger(EditExecutionCourseDispatchAction.class); public ActionForward editExecutionCourse(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws FenixActionException { String executionCourseId = RequestUtils.getAndSetStringToRequest(request, "executionCourseId"); InfoExecutionCourse infoExecutionCourse; try { infoExecutionCourse = ReadInfoExecutionCourseByOID.run(executionCourseId); } catch (FenixServiceException e) { throw new FenixActionException(e); } request.setAttribute(PresentationConstants.EXECUTION_COURSE, infoExecutionCourse); fillForm(form, infoExecutionCourse, request); List<LabelValueBean> entryPhases = new ArrayList<LabelValueBean>(); for (EntryPhase entryPhase : EntryPhase.values()) { LabelValueBean labelValueBean = new LabelValueBean(entryPhase.getLocalizedName(), entryPhase.getName()); entryPhases.add(labelValueBean); } request.setAttribute("entryPhases", entryPhases); DynaActionForm executionCourseForm = prepareReturnAttributes(form, request); prepareReturnSessionBean(request, (Boolean) executionCourseForm.get("executionCoursesNotLinked"), executionCourseId); return mapping.findForward("editExecutionCourse"); } public ActionForward updateExecutionCourse(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { final InfoExecutionCourseEditor infoExecutionCourseEditor = fillInfoExecutionCourseFromForm(actionForm, request); InfoExecutionCourse infoExecutionCourse = null; try { infoExecutionCourse = EditExecutionCourseInfo.run(infoExecutionCourseEditor); } catch (FenixServiceException e) { logger.error(e.getMessage(), e); throw new FenixActionException(e.getMessage()); } catch (DomainException ex) { addActionMessage("error", request, ex.getMessage(), ex.getArgs()); return editExecutionCourse(mapping, actionForm, request, response); } request.setAttribute(PresentationConstants.EXECUTION_COURSE, infoExecutionCourse); String executionCourseId = RequestUtils.getAndSetStringToRequest(request, "executionCourseId"); DynaActionForm executionCourseForm = prepareReturnAttributes(actionForm, request); prepareReturnSessionBean(request, (Boolean) executionCourseForm.get("executionCoursesNotLinked"), executionCourseId); return mapping.findForward("viewExecutionCourse"); } public ActionForward deleteExecutionCourse(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws FenixActionException { String executionCourseId = RequestUtils.getAndSetStringToRequest(request, "executionCourseId"); DynaActionForm executionCourseForm = prepareReturnAttributes(form, request); List<String> internalIds = new ArrayList<String>(); internalIds.add(executionCourseId); List<String> errorCodes = new ArrayList<String>(); ExecutionCourse executionCourseToBeDeleted = FenixFramework.getDomainObject(executionCourseId); String executionCourseName = executionCourseToBeDeleted.getNome(); String executionCourseSigla = executionCourseToBeDeleted.getSigla(); try { errorCodes = DeleteExecutionCourses.run(internalIds); } catch (FenixServiceException fenixServiceException) { throw new FenixActionException(fenixServiceException.getMessage()); } if (!errorCodes.isEmpty()) { for (String errorCode : errorCodes) { addActionMessage("error", request, "errors.invalid.delete.not.empty.execution.course", errorCode); } } else { addActionMessage("success", request, "message.manager.executionCourseManagement.deleteExecutionCourse.success", executionCourseName, executionCourseSigla); } prepareReturnSessionBean(request, (Boolean) executionCourseForm.get("executionCoursesNotLinked"), null); return mapping.findForward("listExecutionCourseActions"); } private void fillForm(ActionForm form, InfoExecutionCourse infoExecutionCourse, HttpServletRequest request) { DynaActionForm executionCourseForm = (DynaActionForm) form; executionCourseForm.set("name", infoExecutionCourse.getNome()); executionCourseForm.set("code", infoExecutionCourse.getSigla()); executionCourseForm.set("comment", infoExecutionCourse.getComment()); executionCourseForm.set("entryPhase", infoExecutionCourse.getEntryPhase().getName()); if (infoExecutionCourse.getAvailableGradeSubmission() != null) { executionCourseForm.set("availableGradeSubmission", infoExecutionCourse.getAvailableGradeSubmission().toString()); } request.setAttribute("courseLoadBean", new CourseLoadBean(infoExecutionCourse.getExecutionCourse())); } protected DynaActionForm prepareReturnAttributes(ActionForm form, HttpServletRequest request) { separateLabel(form, request, "executionPeriod", "executionPeriodId", "executionPeriodName"); String executionCoursesNotLinked = RequestUtils.getAndSetStringToRequest(request, "executionCoursesNotLinked"); DynaActionForm executionCourseForm = (DynaValidatorForm) form; Boolean chooseNotLinked = null; if (executionCoursesNotLinked == null || executionCoursesNotLinked.equals("null") || executionCoursesNotLinked.equals(Boolean.FALSE.toString())) { separateLabel(form, request, "executionDegree", "executionDegreeId", "executionDegreeName"); separateLabel(form, request, "curYear", "curYearId", "curYearName"); String curYear = (String) request.getAttribute("curYear"); executionCourseForm.set("curYear", curYear); chooseNotLinked = new Boolean(false); } else { chooseNotLinked = new Boolean(executionCoursesNotLinked); executionCourseForm.set("executionCoursesNotLinked", chooseNotLinked); } return executionCourseForm; } protected void prepareReturnSessionBean(HttpServletRequest request, Boolean chooseNotLinked, String executionCourseId) { // Preparing sessionBean for the EditExecutionCourseDA.list...Actions... String executionPeriodId = (String) request.getAttribute("executionPeriodId"); ExecutionCourse executionCourse = null; if (!org.apache.commons.lang.StringUtils.isEmpty(executionCourseId)) { executionCourse = FenixFramework.getDomainObject(executionCourseId); } ExecutionSemester executionPeriod = FenixFramework.getDomainObject(executionPeriodId); ExecutionCourseBean sessionBean = new ExecutionCourseBean(); sessionBean.setSourceExecutionCourse(executionCourse); sessionBean.setExecutionSemester(executionPeriod); sessionBean.setChooseNotLinked(chooseNotLinked); if (!chooseNotLinked) { String executionDegreeId = (String) request.getAttribute("executionDegreeId"); String curricularYearId = (String) request.getAttribute("curYearId"); ExecutionDegree executionDegree = FenixFramework.getDomainObject(executionDegreeId); CurricularYear curYear = FenixFramework.getDomainObject(curricularYearId); sessionBean.setExecutionDegree(executionDegree); sessionBean.setCurricularYear(curYear); } request.setAttribute("sessionBean", sessionBean); } private InfoExecutionCourseEditor fillInfoExecutionCourseFromForm(ActionForm actionForm, HttpServletRequest request) { InfoExecutionCourseEditor infoExecutionCourse = new InfoExecutionCourseEditor(); DynaActionForm editExecutionCourseForm = (DynaActionForm) actionForm; try { infoExecutionCourse.setExternalId((String) editExecutionCourseForm.get("executionCourseId")); infoExecutionCourse.setNome((String) editExecutionCourseForm.get("name")); infoExecutionCourse.setSigla((String) editExecutionCourseForm.get("code")); infoExecutionCourse.setComment((String) editExecutionCourseForm.get("comment")); infoExecutionCourse.setAvailableGradeSubmission( Boolean.valueOf(editExecutionCourseForm.getString("availableGradeSubmission"))); infoExecutionCourse.setEntryPhase(EntryPhase.valueOf(editExecutionCourseForm.getString("entryPhase"))); } catch (Exception e) { logger.error(e.getMessage(), e); } return infoExecutionCourse; } protected String separateLabel(ActionForm form, HttpServletRequest request, String property, String id, String name) { DynaActionForm executionCourseForm = (DynaActionForm) form; // the value returned to action is a string name~externalId String object = (String) executionCourseForm.get(property); if (object == null || object.length() <= 0) { object = (String) request.getAttribute(property); if (object == null) { object = request.getParameter(property); } } String objectId = null; String objectName = null; if (object != null && object.length() > 0 && object.indexOf("~") > 0) { executionCourseForm.set(property, object); request.setAttribute(property, object); objectId = StringUtils.substringAfter(object, "~"); objectName = object.substring(0, object.indexOf("~")); request.setAttribute(name, objectName); request.setAttribute(id, objectId); } return objectId; } }