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.coordinator; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.HashSet; import java.util.List; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import net.sourceforge.fenixedu.dataTransferObject.coordinator.SearchDegreeLogBean; import net.sourceforge.fenixedu.domain.Degree; import net.sourceforge.fenixedu.domain.DegreeCurricularPlan; import net.sourceforge.fenixedu.domain.DegreeLog; import net.sourceforge.fenixedu.domain.DegreeLog.DegreeLogTypes; import net.sourceforge.fenixedu.domain.ExecutionDegree; import net.sourceforge.fenixedu.presentationTier.Action.base.FenixDispatchAction; 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 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; import pt.utl.ist.fenix.tools.predicates.Predicate; import pt.utl.ist.fenix.tools.util.CollectionPager; @Mapping(module = "coordinator", path = "/searchDLog", functionality = DegreeCoordinatorIndex.class) @Forwards(value = { @Forward(name = "search", path = "/coordinator/viewLogSearch.jsp") }) public class SearchDegreeLogAction extends FenixDispatchAction { @Override public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response) throws Exception { DegreeCoordinatorIndex.setCoordinatorContext(request); return super.execute(mapping, actionForm, request, response); } public ActionForward prepareInit(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { final String degreeCurricularPlanOID = newFindDegreeCurricularPlanID(request); request.setAttribute("degreeCurricularPlanID", degreeCurricularPlanOID); final DegreeCurricularPlan degreeCurricularPlan = FenixFramework.getDomainObject(degreeCurricularPlanOID); final ExecutionDegree executionDegree = degreeCurricularPlan.getMostRecentExecutionDegree(); Degree degree = executionDegree.getDegree(); // Degree degree = getDomainObject(request, "degreeCurricularPlanID"); SearchDegreeLogBean sdlb = new SearchDegreeLogBean(degree); sdlb.setDegreeLogTypes(new ArrayList<DegreeLogTypes>()); request.setAttribute("searchBean", sdlb); request.setAttribute("degree", sdlb.getDegree()); // final InfoExecutionDegree infoExecutionDegree = // InfoExecutionDegree.newInfoFromDomain(executionDegree); // request.setAttribute(PresentationConstants.MASTER_DEGREE, degree); return mapping.findForward("search"); } public ActionForward prepare(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { DegreeCurricularPlan dcp = getDomainObject(request, "degreeCurricularPlanID"); SearchDegreeLogBean sdlb = readSearchBean(request, dcp.getDegree()); searchLogs(sdlb); request.setAttribute("searchBean", sdlb); request.setAttribute("degree", sdlb.getDegree()); prepareAttendsCollectionPages(request, sdlb, sdlb.getDegree()); return mapping.findForward("search"); } private SearchDegreeLogBean readSearchBean(HttpServletRequest request, Degree degree) { String degreeID = request.getParameter("degree"); if (degreeID != null) { SearchDegreeLogBean sdlb = new SearchDegreeLogBean((Degree) FenixFramework.getDomainObject(degreeID)); String viewPhoto = request.getParameter("viewPhoto"); if (viewPhoto != null && viewPhoto.equalsIgnoreCase("true")) { sdlb.setViewPhoto(true); } else { sdlb.setViewPhoto(false); } String logTypes = request.getParameter("degreeLogTypes"); if (logTypes != null) { List<DegreeLogTypes> list = new ArrayList<DegreeLogTypes>(); for (String logType : logTypes.split(":")) { list.add(DegreeLogTypes.valueOf(logType)); } sdlb.setDegreeLogTypes(list); } return sdlb; } else { return new SearchDegreeLogBean(degree); } } private void prepareAttendsCollectionPages(HttpServletRequest request, SearchDegreeLogBean seclb, Degree degree) { Collection<DegreeLog> dLogs = seclb.getDegreeLogs(); List<DegreeLog> listDLogs = new ArrayList<DegreeLog>(dLogs); Collections.sort(listDLogs, DegreeLog.COMPARATOR_BY_WHEN_DATETIME); int entriesPerPage = 20; final CollectionPager<DegreeLog> pager = new CollectionPager<DegreeLog>(listDLogs, entriesPerPage); request.setAttribute("numberOfPages", (listDLogs.size() / entriesPerPage) + 1); final String pageParameter = request.getParameter("pageNumber"); final Integer page = StringUtils.isEmpty(pageParameter) ? Integer.valueOf(1) : Integer.valueOf(pageParameter); request.setAttribute("pageNumber", page); SearchDegreeLogBean logPagesBean = new SearchDegreeLogBean(degree); searchLogs(logPagesBean); logPagesBean.setDegreeLogs(pager.getPage(page)); if (seclb.getViewPhoto()) { logPagesBean.setViewPhoto(true); } request.setAttribute("logPagesBean", logPagesBean); } private void searchLogs(SearchDegreeLogBean bean) { final Predicate<DegreeLog> filter = bean.getFilters(); final Collection<DegreeLog> validLogs = new HashSet<DegreeLog>(); for (final DegreeLog log : bean.getDegree().getDegreeLogsSet()) { if (filter.eval(log)) { validLogs.add(log); } } bean.setDegreeLogs(validLogs); } public ActionForward search(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) { request.setAttribute("degreeCurricularPlanID", request.getAttribute("degreeCurricularPlanID")); SearchDegreeLogBean bean = getRenderedObject(); RenderUtils.invalidateViewState(); searchLogs(bean); request.setAttribute("searchBean", bean); request.setAttribute("degree", bean.getDegree()); prepareAttendsCollectionPages(request, bean, bean.getDegree()); return mapping.findForward("search"); } private static String newFindDegreeCurricularPlanID(HttpServletRequest request) { String degreeCurricularPlanID = request.getParameter("degreeCurricularPlanID"); if (degreeCurricularPlanID == null) { degreeCurricularPlanID = (String) request.getAttribute("degreeCurricularPlanID"); } return degreeCurricularPlanID; } }