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.publico.scientificalArea; import java.util.ArrayList; import java.util.Collections; import java.util.Hashtable; import java.util.List; import java.util.Map; import java.util.SortedSet; import java.util.TreeSet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sourceforge.fenixedu.domain.Employee; import net.sourceforge.fenixedu.domain.Person; import net.sourceforge.fenixedu.domain.Teacher; import net.sourceforge.fenixedu.domain.organizationalStructure.Party; import net.sourceforge.fenixedu.domain.organizationalStructure.ScientificAreaUnit; import net.sourceforge.fenixedu.domain.personnelSection.contracts.ProfessionalCategory; import net.sourceforge.fenixedu.presentationTier.Action.publico.UnitSiteVisualizationDA; 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 org.joda.time.YearMonthDay; import pt.ist.fenixWebFramework.struts.annotations.Forward; import pt.ist.fenixWebFramework.struts.annotations.Forwards; import pt.ist.fenixWebFramework.struts.annotations.Mapping; @Mapping(module = "publico", path = "/scientificArea/viewSite", scope = "session", parameter = "method") @Forwards(value = { @Forward(name = "announcementsAction", path = "/scientificArea/announcements.do"), @Forward(name = "view-teachers", path = "scientific-area-site-teachers"), @Forward(name = "view-courses", path = "scientific-area-site-courses"), @Forward(name = "frontPage-INTRO_BANNER", path = "basicUnit-site-front-page-intro-banner"), @Forward(name = "eventsAction", path = "/scientificArea/events.do"), @Forward(name = "frontPage-BANNER_INTRO", path = "basicUnit-site-front-page-banner-intro"), @Forward(name = "unit-subunits", path = "basicUnit-subunits"), @Forward(name = "view-employees", path = "scientific-area-site-employees"), @Forward(name = "site-section-adviseLogin", path = "basicUnit-section-adviseLogin"), @Forward(name = "frontPage-BANNER_INTRO_COLLAPSED", path = "basicUnit-site-front-page-intro-float"), @Forward(name = "site-section", path = "basicUnit-section"), @Forward(name = "site-item", path = "basicUnit-item"), @Forward(name = "eventsRSSAction", path = "/scientificArea/eventsRSS.do"), @Forward(name = "site-item-deny", path = "basicUnit-item-deny"), @Forward(name = "site-item-adviseLogin", path = "basicUnit-item-adviseLogin"), @Forward(name = "announcementsRSSAction", path = "/scientificArea/announcementsRSS.do"), @Forward(name = "unit-organization", path = "scientific-area-organization"), @Forward(name = "site-section-deny", path = "basicUnit-section-deny") }) public class PublicScientificAreaSiteDA extends UnitSiteVisualizationDA { @Override protected ActionForward getSiteDefaultView(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { return presentation(mapping, form, request, response); } public ActionForward viewTeachers(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { ScientificAreaUnit scientificArea = (ScientificAreaUnit) getUnit(request); YearMonthDay today = new YearMonthDay(); YearMonthDay tomorrow = today.plusDays(1); SortedSet<ProfessionalCategory> categories = new TreeSet<ProfessionalCategory>(); Map<String, SortedSet<Person>> teachers = new Hashtable<String, SortedSet<Person>>(); for (Teacher teacher : scientificArea.getDepartmentUnit().getDepartment().getAllTeachers(today, tomorrow)) { if (teacher.getCurrentSectionOrScientificArea() == scientificArea) { ProfessionalCategory professionalCategory = teacher.getCategory(); if (professionalCategory != null) { String category = professionalCategory.getExternalId(); categories.add(professionalCategory); addListTeacher(teachers, category, teacher); } } } request.setAttribute("categories", categories); request.setAttribute("teachers", teachers); return mapping.findForward("view-teachers"); } public ActionForward viewEmployees(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { ScientificAreaUnit scientificArea = (ScientificAreaUnit) getUnit(request); List<Person> employees = new ArrayList<Person>(); for (Employee employee : scientificArea.getAllCurrentNonTeacherEmployees()) { employees.add(employee.getPerson()); } Collections.sort(employees, Party.COMPARATOR_BY_NAME_AND_ID); request.setAttribute("employees", employees); return mapping.findForward("view-employees"); } public ActionForward viewCourses(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { ScientificAreaUnit scientificArea = (ScientificAreaUnit) getUnit(request); request.setAttribute("courseGroupUnits", scientificArea.getCompetenceCourseGroupUnits()); return mapping.findForward("view-courses"); } private void addListTeacher(Map<String, SortedSet<Person>> teachersMap, String key, Teacher teacher) { SortedSet<Person> teachers = teachersMap.get(key); if (teachers == null) { teachers = new TreeSet<Person>( new BeanComparator("teacher", Teacher.TEACHER_COMPARATOR_BY_CATEGORY_AND_NUMBER)); teachersMap.put(key, teachers); } teachers.add(teacher.getPerson()); } }