Java tutorial
/********************************************************************************** * $URL$ * $Id$ *********************************************************************************** * * Copyright (c) 2008, 2009, 2010, 2013, 2014 Etudes, Inc. * * Portions completed before September 1, 2008 * Copyright (c) 2007, 2008 The Regents of the University of Michigan & Foothill College, ETUDES Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * **********************************************************************************/ package org.etudes.mneme.tool; import java.io.IOException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.etudes.ambrosia.api.Context; import org.etudes.ambrosia.util.ControllerImpl; import org.etudes.mneme.api.Assessment; import org.etudes.mneme.api.AssessmentService; import org.etudes.mneme.api.Part; import org.sakaiproject.i18n.InternationalizedMessages; import org.sakaiproject.util.Web; /** * The /assessment_invalid view for the mneme tool. */ public class AssessmentInvalidView extends ControllerImpl { /** Our log. */ private static Log M_log = LogFactory.getLog(AssessmentInvalidView.class); /** * Format an invalid message as a * <ul> * for this assessment. * * @param assessment * The assessment. * @return The invalid display for this assessment. */ public static String formatInvalidDisplay(Assessment assessment, InternationalizedMessages msgs) { // what is invalid? StringBuilder msg = new StringBuilder(); msg.append("<ul>"); if (!assessment.getIsValid()) { // could be title if (assessment.getTitle().length() == 0) { msg.append("<li>" + msgs.getString("missing-title") + "</li>"); } // could be grading if (!assessment.getGrading().getIsValid()) { msg.append("<li>" + msgs.getString("invalid-grading") + "</li>"); } // could be dates if (!assessment.getDates().getIsValid()) { msg.append("<li>" + msgs.getString("invalid-dates") + "</li>"); } // could be parts if (!assessment.getParts().getIsValid()) { // if no parts if (assessment.getParts().getParts().isEmpty()) { msg.append("<li>" + msgs.getString("invalid-parts") + "</li>"); } // could be a specific part for (Part part : assessment.getParts().getParts()) { if (!part.getIsValid()) { msg.append("<li>" + part.getInvalidMessage() + "</li>"); } } // try parts overall String partsMsg = assessment.getParts().getInvalidMessage(); if (partsMsg != null) { msg.append("<li>" + partsMsg + "</li>"); } } // could be points if (!assessment.getIsPointsValid()) { msg.append("<li>" + msgs.getString("invalid-points") + "</li>"); } // could be formal course evaluation if (assessment.getFormalCourseEval()) { if (assessment.getResultsEmail() == null) { msg.append("<li>" + msgs.getString("formal-needs-email") + "</li>"); } } if (assessment.getFormalCourseEval() && assessment.getNotifyEval() && assessment.getDates().getOpenDate() == null) { msg.append("<li>" + msgs.getString("notify-no-open") + "</li>"); } // could be missing dates with auto-send if (assessment.getResultsEmail() != null) { if (assessment.getResultsEmail().length() > 255) { msg.append("<li>" + msgs.getString("email-toolong") + "</li>"); } if (!assessment.isEmailValid(assessment.getResultsEmail())) { msg.append("<li>" + msgs.getString("email-toolong-invalid") + "</li>"); } if ((assessment.getDates().getDueDate() == null) && (assessment.getDates().getAcceptUntilDate() == null)) { msg.append("<li>" + msgs.getString("email-results-needs-dates") + "</li>"); } } } msg.append("</ul>"); return msg.toString(); } /** Assessment service. */ protected AssessmentService assessmentService = null; /** * Shutdown. */ public void destroy() { M_log.info("destroy()"); } /** * {@inheritDoc} */ public void get(HttpServletRequest req, HttpServletResponse res, Context context, String[] params) throws IOException { // sort code, aid if (params.length != 4) { throw new IllegalArgumentException(); } String sortCode = params[2]; String assessmentId = params[3]; Assessment assessment = assessmentService.getAssessment(assessmentId); if (assessment == null) { // redirect to error res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.invalid))); return; } // security check if (!assessmentService.allowEditAssessment(assessment)) { // redirect to error res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, "/error/" + Errors.unauthorized))); return; } context.put("message", formatInvalidDisplay(assessment, this.messages)); context.put("assessment", assessment); context.put("sortcode", sortCode); // render uiService.render(ui, context); } /** * Final initialization, once all dependencies are set. */ public void init() { super.init(); M_log.info("init()"); } /** * {@inheritDoc} */ public void post(HttpServletRequest req, HttpServletResponse res, Context context, String[] params) throws IOException { if (params.length != 4) { throw new IllegalArgumentException(); } // read the form String destination = uiService.decode(req, context); // redirect to the next destination res.sendRedirect(res.encodeRedirectURL(Web.returnUrl(req, destination))); } /** * Set the AssessmentService. * * @param service * The AssessmentService. */ public void setAssessmentService(AssessmentService service) { this.assessmentService = service; } }