Java tutorial
/** * Copyright (c) 2007-2017 The Apereo Foundation * * Licensed under the Educational Community 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://opensource.org/licenses/ecl2 * * 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. */ /* * Licensed to The Apereo Foundation under one or more contributor license * agreements. See the NOTICE file distributed with this work for * additional information regarding copyright ownership. * * The Apereo Foundation licenses this file to you under the Educational * Community 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://opensource.org/licenses/ecl2.txt * * 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.sakaiproject.signup.tool.downloadEvents; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import lombok.Getter; import lombok.Setter; import lombok.extern.slf4j.Slf4j; import org.apache.poi.common.usermodel.HyperlinkType; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.CellStyle; import org.apache.poi.ss.usermodel.CreationHelper; import org.apache.poi.ss.usermodel.Hyperlink; import org.apache.poi.ss.usermodel.PrintSetup; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.ss.util.CellRangeAddress; import org.apache.poi.xssf.usermodel.XSSFWorkbook; import org.sakaiproject.exception.IdUnusedException; import org.sakaiproject.signup.logic.SakaiFacade; import org.sakaiproject.signup.logic.SignupMeetingService; import org.sakaiproject.signup.model.MeetingTypes; import org.sakaiproject.signup.model.SignupAttachment; import org.sakaiproject.signup.model.SignupAttendee; import org.sakaiproject.signup.model.SignupGroup; import org.sakaiproject.signup.model.SignupMeeting; import org.sakaiproject.signup.model.SignupSite; import org.sakaiproject.signup.model.SignupTimeslot; import org.sakaiproject.signup.tool.jsf.SignupMeetingWrapper; import org.sakaiproject.signup.tool.util.SignupBeanConstants; import org.sakaiproject.site.api.Site; import org.sakaiproject.time.api.Time; import org.sakaiproject.user.api.User; import org.sakaiproject.util.ResourceLoader; import org.apache.commons.lang3.StringUtils; /* * <p> This class will provides formatting data to Excel style functionality. * </P> * * @author Peter Liu */ @Slf4j public class EventWorksheet implements MeetingTypes, SignupBeanConstants { private static final int COLUMNS_NOT_GROUPING_BY_SLOT = 8; private static final int COLUMNS_GROUPING_BY_SLOT = 7; private ResourceLoader rb = new ResourceLoader("messages"); private String[] tabTitles_Organizor; private String[] tabTitles_Participant; private String[] tabTitles_shortVersion; private Workbook wb = null; private String currentTabTitles[]; private static int rowHigh = 15; private SimpleDateFormat dateFormat; Map<String, CellStyle> styles = null; CreationHelper createHelper = null; private SakaiFacade sakaiFacade; @Getter @Setter private SignupMeetingService signupMeetingService; /** * Constructor * * @param sakaiFacade - * a SakaiFacade Object */ public EventWorksheet(SakaiFacade sakaiFacade) { this.sakaiFacade = sakaiFacade; wb = new XSSFWorkbook(); styles = WorksheetStyleClass.createStyles(wb); dateFormat = new SimpleDateFormat("", rb.getLocale()); dateFormat.setTimeZone(sakaiFacade.getTimeService().getLocalTimeZone()); initTableThRow(); createHelper = wb.getCreationHelper(); } /** * Obtain the created excel workbook with various worksheets according to * the downlaod type * * @param meetingWrappers - * a list of SignupMeetingWrapper objects * @param downloadType - * a download type string * @return a Workbook object */ public Workbook getEventWorkbook(List<SignupMeetingWrapper> meetingWrappers, String downloadType) { if (meetingWrappers != null) { /* case 1: participant's download without data sheet */ if (FULL_VERSION.equals(downloadType)) { /* event overview version */ if (meetingWrappers.size() > 1) { createShortVersonWorksheet(meetingWrappers); } int serialNum = 1; boolean hasSerialNum = meetingWrappers.size() > 1; for (SignupMeetingWrapper smWrapper : meetingWrappers) { if (smWrapper.isToDownload()) { createWorksheet(smWrapper, serialNum, hasSerialNum); serialNum++; } } /* case 2: organizer's version with data sheet */ } else if (FULL_DATA_BOTH_VERSION.equals(downloadType)) { List<SignupMeetingWrapper> dataWrappers = new ArrayList<SignupMeetingWrapper>(); for (SignupMeetingWrapper smWrapper : meetingWrappers) { // filter out unselected ones if (smWrapper.isToDownload()) { dataWrappers.add(smWrapper); } } int serialNum = 1; boolean hasSerialNum = meetingWrappers.size() > 1; if (dataWrappers.size() > 1) { // data version comes first since only one sheet createAttendeeDataWorksheet(dataWrappers); /* print version */ /* event overview version */ createShortVersonWorksheet(meetingWrappers); for (SignupMeetingWrapper smWrapper : dataWrappers) { createWorksheet(smWrapper, serialNum, hasSerialNum); serialNum++; } //Attendance data, in the gradebook import format if (isAttendanceOn(dataWrappers)) { createAttendanceDataWorksheet(dataWrappers); } } else {/* one record only */ for (SignupMeetingWrapper smWrapper : dataWrappers) { createWorksheet(smWrapper, serialNum, false); } createAttendeeDataWorksheet(dataWrappers); //Attendance data, in the gradebook import format if (isAttendanceOn(dataWrappers)) { createAttendanceDataWorksheet(dataWrappers); } } } } // CreateCellReference(); return wb; } /** * Create a data excel worksheet for attendee's informaiton */ private Workbook createAttendeeDataWorksheet(List<SignupMeetingWrapper> wrappers) { String eventTitle = rb.getString("sheet_name_Attendee_schedules", "Attendees' Schedules"); Sheet sheet = wb.createSheet(eventTitle); PrintSetup printSetup = sheet.getPrintSetup(); printSetup.setLandscape(true); sheet.setFitToPage(true); sheet.setHorizontallyCenter(true); /* Define column numbers and width here */ int numberOfColumn = 13; sheet.setColumnWidth(0, 25 * 256);// event title sheet.setColumnWidth(1, 20 * 256);// attendee display name sheet.setColumnWidth(2, 20 * 256);// attendee user id sheet.setColumnWidth(3, 25 * 256);// attendee user email sheet.setColumnWidth(4, 25 * 256);// site name sheet.setColumnWidth(5, 20 * 256);// appointment start time sheet.setColumnWidth(6, 16 * 256);// duration sheet.setColumnWidth(7, 22 * 256);// #num of attendees sheet.setColumnWidth(8, 25 * 256);// #user comment sheet.setColumnWidth(9, 20 * 256);// event owner sheet.setColumnWidth(10, 20 * 256);// event location sheet.setColumnWidth(11, 20 * 256);// event category sheet.setColumnWidth(12, 20 * 256);// event start time sheet.setColumnWidth(13, 20 * 256);// duration if (wrappers == null) return wb; int rowNum = 0; Cell cell = null; Row titleRow = sheet.createRow(rowNum++); titleRow.setHeightInPoints(rowHigh); for (int i = 0; i <= numberOfColumn; i++) { titleRow.createCell(i).setCellStyle(styles.get("item_leftBold")); } int cellNum = 0; titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_meeting_name", "Event Name")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_user_name", "Attendee Name")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_user_id", "Attendee User Id")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_user_email", "Email")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_site_name", "Site Title")); titleRow.getCell(cellNum++) .setCellValue(rb.getString("wksheet_appointment_start_time", "Appointment Time")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_appointment_duration", "Duration (min)")); titleRow.getCell(cellNum++) .setCellValue(rb.getString("wksheet_num_of_attendees", "#Num Attendees in Slot")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_user_comment", "User Comment")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_organizer", "Organizer")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_location", "Location")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_category", "Category")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_meeting_start_time", "Event Start Time")); titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_meeting_duration", "Event Duration (min)")); for (SignupMeetingWrapper wrp : wrappers) { List<SignupTimeslot> tsItems = wrp.getMeeting().getSignupTimeSlots(); if (tsItems != null) { for (SignupTimeslot tsItem : tsItems) { /*strange thing happen for hibernate, tsItem can be null for mySql 4.x*/ List<SignupAttendee> attendees = tsItem == null ? null : getValidAttendees(tsItem.getAttendees()); if (attendees != null) { // JIRA Signup-204: do we need to do the sorting here for data sheet? //it may affect downstream data decoding by other system. for (SignupAttendee s : attendees) { s.setDisplayName(sakaiFacade.getUserDisplayLastFirstName(s.getAttendeeUserId())); } //Sorting by last-first name JIRA Signup-204 Collections.sort(attendees); for (SignupAttendee att : attendees) { Row row = sheet.createRow(rowNum++); for (int i = 0; i <= numberOfColumn; i++) { row.createCell(i).setCellStyle(styles.get("item_left")); } User attendee = sakaiFacade.getUser(att.getAttendeeUserId()); /* reset */ cellNum = 0; /* meeting title */ cell = row.getCell(cellNum++); cell.setCellValue(wrp.getMeeting().getTitle()); /* attendee name */ cell = row.getCell(cellNum++); //cell.setCellValue(attendee ==null? "--" :attendee.getDisplayName()); cell.setCellValue(attendee == null ? "--" : att.getDisplayName()); cell = row.getCell(cellNum++); cell.setCellValue(attendee == null ? "--" : attendee.getDisplayId()); cell = row.getCell(cellNum++); cell.setCellValue(attendee == null ? "--" : attendee.getEmail()); cell = row.getCell(cellNum++); cell.setCellValue(getSiteTitle(att.getSignupSiteId())); cell = row.getCell(cellNum++); cell.setCellValue(sakaiFacade.getTimeService().newTime(tsItem.getStartTime().getTime()) .toStringLocalFull()); cell = row.getCell(cellNum++); cell.setCellValue(getDurationLength(tsItem.getEndTime(), tsItem.getStartTime()));// minutes cell = row.getCell(cellNum++); cell.setCellValue(getValidAttendees(tsItem.getAttendees()).size()); cell = row.getCell(cellNum++); cell.setCellValue(att.getComments()); cell = row.getCell(cellNum++); cell.setCellValue(sakaiFacade.getUserDisplayName(wrp.getMeeting().getCreatorUserId())); cell = row.getCell(cellNum++); cell.setCellValue(wrp.getMeeting().getLocation()); cell = row.getCell(cellNum++); cell.setCellValue(wrp.getMeeting().getCategory()); cell = row.getCell(cellNum++); cell.setCellValue(sakaiFacade.getTimeService() .newTime(wrp.getMeeting().getStartTime().getTime()).toStringLocalFull()); cell = row.getCell(cellNum++); cell.setCellValue(getDurationLength(wrp.getMeeting().getEndTime(), wrp.getMeeting().getStartTime())); } } } } } return wb; } /** * Create a short version excel worksheet */ private Workbook createShortVersonWorksheet(List<SignupMeetingWrapper> wrappers) { String eventTitle = rb.getString("event_overview", "Events Overview"); Sheet sheet = wb.createSheet(eventTitle); PrintSetup printSetup = sheet.getPrintSetup(); printSetup.setLandscape(true); sheet.setFitToPage(true); sheet.setHorizontallyCenter(true); sheet.setColumnWidth(0, 20 * 256); sheet.setColumnWidth(1, 15 * 256); sheet.setColumnWidth(2, 16 * 256); sheet.setColumnWidth(3, 15 * 256); sheet.setColumnWidth(4, 25 * 256); sheet.setColumnWidth(5, 19 * 256); // title row Row titleRow = sheet.createRow(0); titleRow.setHeightInPoints(35); for (int i = 0; i <= 6; i++) { titleRow.createCell(i).setCellStyle(styles.get("title")); } Cell titleCell = titleRow.getCell(0); titleCell.setCellValue(eventTitle); sheet.addMergedRegion(CellRangeAddress.valueOf("$A$1:$F$1")); // Cureent viewer row Row row = sheet.createRow(2); row.setHeightInPoints(rowHigh); Cell cell = row.createCell(0); cell.setCellValue(rb.getString("event_viewer", "Viewer:")); cell.setCellStyle(styles.get("item_leftBold")); cell = row.createCell(1); cell.setCellStyle(styles.get("item_left")); cell.setCellValue(getCurrentUserName()); // site title row row = sheet.createRow(3); row.setHeightInPoints(rowHigh); cell = row.createCell(0); cell.setCellValue(rb.getString("event_site_title", "Site Title:")); cell.setCellStyle(styles.get("item_leftBold")); cell = row.createCell(1); cell.setCellStyle(styles.get("item_left")); cell.setCellValue(getCurrentSiteTitle()); // Table titles th row row = sheet.createRow(5); row.setHeightInPoints(rowHigh); for (int i = 0; i <= 6; i++) { row.createCell(i).setCellStyle(styles.get("tabColNames")); } cell = row.getCell(0); cell.setCellValue(tabTitles_shortVersion[0]); cell = row.getCell(1); cell.setCellValue(tabTitles_shortVersion[1]); cell = row.getCell(2); cell.setCellValue(tabTitles_shortVersion[2]); cell = row.getCell(3); cell.setCellValue(tabTitles_shortVersion[3]); cell = row.getCell(4); cell.setCellValue(tabTitles_shortVersion[4]); cell = row.getCell(5); cell.setCellValue(tabTitles_shortVersion[5]); cell = row.getCell(6); cell.setCellValue(tabTitles_shortVersion[6]); /* table row data */ int rowNum = 6; int seqNum = 1; for (SignupMeetingWrapper wrp : wrappers) { if (wrp.isToDownload()) { row = sheet.createRow(rowNum); rowNum++; for (int i = 0; i <= 6; i++) { row.createCell(i).setCellStyle(styles.get("tabItem_fields")); } // event ttile cell = row.getCell(0); cell.setCellStyle(styles.get("item_left_wrap")); cell.setCellValue(wrp.getMeeting().getTitle()); Hyperlink sheetLink = createHelper.createHyperlink(HyperlinkType.DOCUMENT); String validSheetName = CreateValidWorksheetName(wrp.getMeeting().getTitle(), seqNum, true); String hlinkAddr = "'" + validSheetName + "'" + "!A1"; sheetLink.setAddress(hlinkAddr); cell.setHyperlink(sheetLink); cell.setCellStyle(styles.get("hyperLink")); seqNum++; // event owner cell = row.getCell(1); cell.setCellValue(wrp.getCreator()); // event location cell = row.getCell(2); cell.setCellValue(wrp.getMeeting().getLocation()); // event category cell = row.getCell(3); cell.setCellValue(wrp.getMeeting().getCategory()); // event Date cell = row.getCell(4); cell.setCellValue(getShortWeekDayName(wrp.getStartTime()) + ", " + getTime(wrp.getStartTime()).toStringLocalShortDate()); // event time period cell = row.getCell(5); cell.setCellValue(getMeetingPeriodShortVersion(wrp)); // event status cell = row.getCell(6); cell.setCellValue( ExcelPlainTextFormat.convertFormattedHtmlTextToExcelPlaintext(wrp.getAvailableStatus())); } } // end of table line row = sheet.createRow(rowNum); for (int i = 0; i <= 6; i++) { row.createCell(i).setCellStyle(styles.get("tab_endline")); } return wb; } /** * Create a full version excel worksheet */ private void createWorksheet(SignupMeetingWrapper wrapper, int serialNum, boolean hasSerialNum) { final String validSheetName = CreateValidWorksheetName(wrapper.getMeeting().getTitle(), serialNum, hasSerialNum); final Sheet sheet = wb.createSheet(validSheetName); sheet.getPrintSetup().setLandscape(true); sheet.setFitToPage(true); sheet.setHorizontallyCenter(true); // title row final Row titleRow = sheet.createRow(0); titleRow.setHeightInPoints(35); for (int i = 1; i <= 6; i++) { titleRow.createCell(i).setCellStyle(styles.get("title")); } final Cell titleCell = titleRow.getCell(2); titleCell.setCellValue(wrapper.getMeeting().getTitle()); sheet.addMergedRegion(CellRangeAddress.valueOf("$C$1:$H$1")); // timezone row final Row timezoneRow = sheet.createRow(1); timezoneRow.setHeightInPoints(16); log.info("timezoneRow"); for (int i = 1; i <= 6; i++) { log.info("timezone: " + i); timezoneRow.createCell(i).setCellStyle(styles.get("tabItem_fields")); } final Cell timezoneCell = timezoneRow.getCell(2); timezoneCell.setCellValue("(" + rb.getString("event_timezone") + " " + sakaiFacade.getTimeService().getLocalTimeZone().getID() + ")"); sheet.addMergedRegion(CellRangeAddress.valueOf("$C$2:$H$2")); // owner row Row row = sheet.createRow(2); row.setHeightInPoints(rowHigh); Cell cell = row.createCell(2); cell.setCellValue(rb.getString("event_owner")); cell.setCellStyle(styles.get("item_leftBold")); cell = row.createCell(3); cell.setCellStyle(styles.get("item_left")); cell.setCellValue(wrapper.getCreator()); // meeting Date row row = sheet.createRow(3); row.setHeightInPoints(rowHigh); cell = row.createCell(2); cell.setCellValue(rb.getString("event_date")); cell.setCellStyle(styles.get("item_leftBold")); cell = row.createCell(3); cell.setCellStyle(styles.get("item_left")); cell.setCellValue(getTime(wrapper.getStartTime()).toStringLocalDate()); // Time Period row row = sheet.createRow(4); row.setHeightInPoints(rowHigh); cell = row.createCell(2); cell.setCellValue(rb.getString("event_time_period")); cell.setCellStyle(styles.get("item_leftBold")); cell = row.createCell(3); cell.setCellStyle(styles.get("item_left")); cell.setCellValue(getMeetingPeriod(wrapper.getMeeting())); // Sign-up Begins row row = sheet.createRow(5); row.setHeightInPoints(rowHigh); cell = row.createCell(2); cell.setCellValue(rb.getString("event_signup_start")); cell.setCellStyle(styles.get("item_leftBold")); cell = row.createCell(3); cell.setCellStyle(styles.get("item_left")); cell.setCellValue(getTime(wrapper.getMeeting().getSignupBegins()).toStringLocalDate() + ", " + getTime(wrapper.getMeeting().getSignupBegins()).toStringLocalTime()); // Sign-up Ends row row = sheet.createRow(6); row.setHeightInPoints(rowHigh); cell = row.createCell(2); cell.setCellValue(rb.getString("event_signup_deadline")); cell.setCellStyle(styles.get("item_leftBold")); cell = row.createCell(3); cell.setCellStyle(styles.get("item_left")); cell.setCellValue(getTime(wrapper.getMeeting().getSignupDeadline()).toStringLocalDate() + ", " + getTime(wrapper.getMeeting().getSignupDeadline()).toStringLocalTime()); // Available To row row = sheet.createRow(7); for (int i = 1; i <= 5; i++) { row.createCell(i); } cell = row.getCell(2); cell.setCellValue(rb.getString("event_publish_to")); cell.setCellStyle(styles.get("item_leftBold")); cell = row.getCell(3); cell.setCellStyle(styles.get("item_left_wrap")); String availSitesGroups = getAvailableSitesGroups(wrapper.getMeeting()); cell.setCellValue(availSitesGroups); int rownum = getNumRows(availSitesGroups); row.setHeightInPoints(rowHigh * rownum); sheet.addMergedRegion(CellRangeAddress.valueOf("$D$8:$F$8")); // Description row row = sheet.createRow(8); for (int i = 1; i <= 7; i++) { row.createCell(i);// setCellStyle(styles.get("description")); } // cell = row.createCell(2); cell = row.getCell(2); cell.setCellValue(rb.getString("event_description")); cell.setCellStyle(styles.get("item_leftBold")); cell = row.getCell(3); cell.setCellStyle(styles.get("item_left_wrap_top")); String description = wrapper.getMeeting().getDescription(); if (description != null && description.length() > 0) { description = ExcelPlainTextFormat.convertFormattedHtmlTextToExcelPlaintext(description); row.setHeightInPoints(rowHigh * getDescRowNum(description)); } cell.setCellValue(description); sheet.addMergedRegion(CellRangeAddress.valueOf("$D$9:$H$9")); /* add attachment links */ int cur_rowNum = 9; row = sheet.createRow(cur_rowNum); for (int i = 1; i <= 5; i++) { row.createCell(i); } row.setHeightInPoints(rowHigh); cell = row.getCell(2); cell.setCellValue(rb.getString("attachments")); cell.setCellStyle(styles.get("item_leftBold")); List<SignupAttachment> attachs = wrapper.getEventMainAttachments(); if (attachs != null && !attachs.isEmpty()) { for (int i = 0; i < attachs.size(); i++) { SignupAttachment attach = attachs.get(i); if (i > 0) {// start with second attachment cur_rowNum++; row = sheet.createRow(cur_rowNum);// create next // attachment row row.setHeightInPoints(rowHigh); for (int j = 1; j <= 5; j++) { row.createCell(j); } } cell = row.getCell(3); cell.setCellStyle(styles.get("hyperLink")); cell.setCellValue(attach.getFilename()); cell.setHyperlink(setAttachmentURLLinks(attach)); } } else { cell = row.getCell(3); cell.setCellStyle(styles.get("item_left_wrap")); cell.setCellValue(rb.getString("event_no_attachment")); } /* Case: for announcement event */ if (ANNOUNCEMENT.equals(wrapper.getMeeting().getMeetingType())) { row = sheet.createRow(cur_rowNum + 3); row.setHeightInPoints(rowHigh); cell = row.createCell(3); cell.setCellValue(rb.getString("event_is_open_session", "This is an open session meeting. No sign-up is necessary.")); cell.setCellStyle(styles.get("item_leftBold")); return; } int numberOfColumns = 0; boolean groupBySlot = sakaiFacade.getServerConfigurationService() .getBoolean("signup.export.group.participants.by.slot", true); if (groupBySlot) { numberOfColumns = COLUMNS_GROUPING_BY_SLOT; } else { numberOfColumns = COLUMNS_NOT_GROUPING_BY_SLOT; } /* Case: for group and individual events */ // Table titles row cur_rowNum = cur_rowNum + 2; row = sheet.createRow(cur_rowNum); row.setHeightInPoints(rowHigh); for (int i = 2; i <= numberOfColumns; i++) { row.createCell(i).setCellStyle(styles.get("tabColNames")); } cell = row.getCell(2); currentTabTitles = isOrganizer(wrapper.getMeeting()) ? tabTitles_Organizor : tabTitles_Participant; cell.setCellValue(currentTabTitles[0]); sheet.addMergedRegion(CellRangeAddress.valueOf("$C$" + (cur_rowNum + 1) + ":$D$" + (cur_rowNum + 1))); for (int i = 4; i <= numberOfColumns && (i - 3 < currentTabTitles.length); i++) { cell = row.getCell(i); cell.setCellValue(currentTabTitles[i - 3]); } // Table schedule Info int rowNum = cur_rowNum; final List<SignupTimeslot> tsItems = wrapper.getMeeting().getSignupTimeSlots(); if (groupBySlot) { rowNum = getTableScheduleInfoStudentsGroupBySlot(wrapper, sheet, rowNum, tsItems); } else { rowNum = getTableScheduleInfoOneStudentPerRow(wrapper, sheet, rowNum, tsItems); } // end of table line row = sheet.createRow(rowNum); for (int i = 2; i <= numberOfColumns; i++) { row.createCell(i).setCellStyle(styles.get("tab_endline")); } /* process attendee's comments */ rowNum = rowNum + 2; // Comment Title row Row commentsRow = sheet.createRow(rowNum); commentsRow.setHeightInPoints(25); for (int i = 1; i <= numberOfColumns; i++) { commentsRow.createCell(i).setCellStyle(styles.get("commentTitle")); } Cell commentsCell = commentsRow.getCell(2); commentsCell.setCellValue(rb.getString("event_comments_title", "Participant's Comments")); sheet.addMergedRegion(CellRangeAddress.valueOf("$C$" + (rowNum + 1) + ":$H$" + (rowNum + 1))); // separate line rowNum++; row = sheet.createRow(rowNum); for (int i = 2; i <= 4; i++) { row.createCell(i).setCellStyle(styles.get("tab_endline")); } rowNum++; boolean hasComment = false; if (tsItems != null) { for (SignupTimeslot ts : tsItems) { /*strange thing happen for hibernate, it can be null for mySql 4.x*/ List<SignupAttendee> attendees = ts != null ? getValidAttendees(ts.getAttendees()) : null; if (attendees != null) { for (SignupAttendee att : attendees) { if (isOrganizer(wrapper.getMeeting()) || isViewerSelf(att)) { String comment = att.getComments(); if (comment != null && comment.trim().length() > 0) { row = sheet.createRow(rowNum++); for (int i = 1; i <= numberOfColumns; i++) { row.createCell(i); } cell = row.getCell(2); cell.setCellValue(sakaiFacade.getUserDisplayName(att.getAttendeeUserId()) + ":"); cell.setCellStyle(styles.get("item_leftBold")); cell = row.getCell(3); cell.setCellStyle(styles.get("item_left_wrap_top")); comment = ExcelPlainTextFormat.convertFormattedHtmlTextToExcelPlaintext(comment); row.setHeightInPoints(rowHigh * getDescRowNum(comment)); cell.setCellValue(comment); sheet.addMergedRegion(CellRangeAddress.valueOf("$D$" + rowNum + ":$H$" + rowNum)); rowNum++;// one row space between comment hasComment = true; } } } } } } if (!hasComment) { row = sheet.createRow(rowNum); row.createCell(2); cell = row.getCell(2); cell.setCellValue(rb.getString("event_no_comments", "There is no comments written by participants.")); cell.setCellStyle(styles.get("item_leftBold")); } sheet.setColumnWidth(0, 3 * 256); sheet.setColumnWidth(1, 3 * 256); for (int i = 2; i <= numberOfColumns; i++) { sheet.autoSizeColumn(i); } } private int getTableScheduleInfoStudentsGroupBySlot(SignupMeetingWrapper wrapper, final Sheet sheet, int rowNumParameter, List<SignupTimeslot> tsItems) { int rowNum = rowNumParameter; if (tsItems != null) { rowNum++; for (SignupTimeslot tsItem : tsItems) { /* strange thing happen for hibernate, it can be null for mySql 4.x */ if (tsItem == null) { continue; } Row row = sheet.createRow(rowNum); int rowHighNum = 1; rowNum++; for (int i = 1; i <= 7; i++) { row.createCell(i).setCellStyle(styles.get("tabItem_fields")); } // timeslot period Cell cell = row.getCell(2); cell.setCellValue(getTimeSlotPeriod(tsItem, wrapper.getMeeting().isMeetingCrossDays())); sheet.addMergedRegion(CellRangeAddress.valueOf("$C$" + rowNum + ":$D$" + rowNum));// "$C$11:$D$11" // Max # of participants cell = row.getCell(4); if (tsItem.isUnlimitedAttendee()) cell.setCellValue(rb.getString("event_unlimited")); else if (isOrganizer(wrapper.getMeeting())) { cell.setCellValue(tsItem.getMaxNoOfAttendees()); } else { int availableSpots = getValidAttendees(tsItem.getAttendees()) != null ? tsItem.getMaxNoOfAttendees() - getValidAttendees(tsItem.getAttendees()).size() : tsItem.getMaxNoOfAttendees(); availableSpots = availableSpots < 1 ? 0 : availableSpots; String value = String.valueOf(availableSpots); if (tsItem.isLocked()) value = rb.getString("event_is_locked"); else if (tsItem.isCanceled()) value = rb.getString("event_is_canceled"); cell.setCellValue(value); } List<SignupAttendee> attendees = getValidAttendees(tsItem.getAttendees()); // attendee names cell = row.getCell(5); String aNames = rb.getString("event_show_no_attendee_info"); if (isDisplayNames(wrapper.getMeeting())) { if (attendees != null && attendees.size() > rowHighNum) { rowHighNum = attendees.size(); } aNames = getNames(attendees, true); } if (tsItem.isCanceled() && isOrganizer(wrapper.getMeeting())) { aNames = rb.getString("event_is_canceled"); } cell.setCellValue(aNames); cell.setCellStyle(styles.get("attendee_layout")); // attendee userids // without completely reformatting the way the table is constructed, this gives // the userids in a separate column cell = row.getCell(6); String aIds = rb.getString("event_show_no_attendee_info"); if (isDisplayNames(wrapper.getMeeting())) { if (attendees != null && attendees.size() > rowHighNum) { rowHighNum = attendees.size(); } aIds = getIds(attendees); } if (tsItem.isCanceled() && isOrganizer(wrapper.getMeeting())) { aIds = rb.getString("event_is_canceled"); } cell.setCellValue(aIds); cell.setCellStyle(styles.get("attendee_layout")); // waiters cell = row.getCell(7); String fieldValue = ""; if (isOrganizer(wrapper.getMeeting())) { List<SignupAttendee> waiters = tsItem.getWaitingList(); if (waiters != null && waiters.size() > rowHighNum) { rowHighNum = waiters.size(); } fieldValue = getNames(waiters, false); } else { fieldValue = getYourStatus(tsItem); } cell.setCellValue(fieldValue); cell.setCellStyle(styles.get("attendee_layout")); // set row high row.setHeightInPoints(rowHigh * rowHighNum); } } return rowNum; } private int getTableScheduleInfoOneStudentPerRow(SignupMeetingWrapper wrapper, final Sheet sheet, int rowNumParameter, List<SignupTimeslot> tsItems) { int rowNum = rowNumParameter; if (tsItems != null) { for (SignupTimeslot tsItem : tsItems) { /*strange thing happen for hibernate, it can be null for mySql 4.x*/ if (tsItem == null) { continue; } final List<SignupAttendee> attendees = getValidAttendees(tsItem.getAttendees()); for (SignupAttendee signupAttendee : attendees) { rowNum++; fillAttendeeRow(wrapper, sheet, rowNum, tsItem, attendees, signupAttendee, false); } final List<SignupAttendee> waiters = tsItem.getWaitingList(); for (SignupAttendee waiter : waiters) { rowNum++; fillAttendeeRow(wrapper, sheet, rowNum, tsItem, attendees, waiter, true); } if (attendees.isEmpty() && waiters.isEmpty()) { rowNum++; fillAttendeeRow(wrapper, sheet, rowNum, tsItem, attendees, null, true); } } } rowNum++; return rowNum; } private void fillAttendeeRow(final SignupMeetingWrapper wrapper, final Sheet sheet, int rowNum, final SignupTimeslot tsItem, final List<SignupAttendee> attendees, final SignupAttendee signupAttendee, boolean isWaiting) { final Row row = sheet.createRow(rowNum); for (int i = 1; i <= COLUMNS_NOT_GROUPING_BY_SLOT; i++) { row.createCell(i).setCellStyle(styles.get("tabItem_fields")); } // timeslot period Cell cell = row.getCell(2); cell.setCellValue(getTimeSlotPeriod(tsItem, wrapper.getMeeting().isMeetingCrossDays())); sheet.addMergedRegion(CellRangeAddress.valueOf("$C$" + (rowNum + 1) + ":$D$" + (rowNum + 1)));// "$C$11:$D$11" // Max # of participants cell = row.getCell(4); if (tsItem.isUnlimitedAttendee()) cell.setCellValue(rb.getString("event_unlimited")); else if (isOrganizer(wrapper.getMeeting())) { cell.setCellValue(tsItem.getMaxNoOfAttendees()); } else { int availableSpots = getValidAttendees(tsItem.getAttendees()) != null ? tsItem.getMaxNoOfAttendees() - getValidAttendees(tsItem.getAttendees()).size() : tsItem.getMaxNoOfAttendees(); availableSpots = availableSpots < 1 ? 0 : availableSpots; String value = String.valueOf(availableSpots); if (tsItem.isLocked()) value = rb.getString("event_is_locked"); else if (tsItem.isCanceled()) value = rb.getString("event_is_canceled"); cell.setCellValue(value); } int rowHighNum = 1; if (signupAttendee != null) { // attendee names cell = row.getCell(5); String aNames = rb.getString("event_show_no_attendee_info"); if (isDisplayNames(wrapper.getMeeting())) { if (attendees != null && attendees.size() > rowHighNum) { rowHighNum = attendees.size(); } aNames = sakaiFacade.getUserDisplayLastFirstName(signupAttendee.getAttendeeUserId()); } if (tsItem.isCanceled() && isOrganizer(wrapper.getMeeting())) { aNames = rb.getString("event_is_canceled"); } cell.setCellValue(aNames); cell.setCellStyle(styles.get("attendee_layout")); // attendee userids // without completely reformatting the way the table is constructed, this gives // the userids in a separate column cell = row.getCell(6); String aIds = rb.getString("event_show_no_attendee_info"); if (isDisplayNames(wrapper.getMeeting())) { if (attendees != null && attendees.size() > rowHighNum) { rowHighNum = attendees.size(); } aIds = sakaiFacade.getUser(signupAttendee.getAttendeeUserId()).getDisplayId(); } if (tsItem.isCanceled() && isOrganizer(wrapper.getMeeting())) { aIds = rb.getString("event_is_canceled"); } cell.setCellValue(aIds); cell.setCellStyle(styles.get("attendee_layout")); // waiters if (isWaiting) { cell = row.getCell(7); String fieldValue = "X"; cell.setCellValue(fieldValue); cell.setCellStyle(styles.get("attendee_layout")); } // Inscription date and time cell = row.getCell(8); String fieldValue = signupMeetingService .getUsersLocalDateTimeString(signupAttendee.getInscriptionTime()); cell.setCellValue(fieldValue); cell.setCellStyle(styles.get("attendee_layout")); } // set row high row.setHeightInPoints(rowHigh * rowHighNum); } /** * This will convert the Java date object to a Sakai's Time object, which * provides all the useful methods for output. * * @param date * a Java Date object. * @return a Sakai's Time object. */ private Time getTime(Date date) { Time time = sakaiFacade.getTimeService().newTime(date.getTime()); return time; } private String getTimeSlotPeriod(SignupTimeslot ts, boolean isCrossDay) { StringBuffer sb = new StringBuffer(); sb.append(getTime(ts.getStartTime()).toStringLocalTime()); if (isCrossDay) sb.append(", " + getShortWeekDayName(ts.getStartTime())); sb.append(" - "); sb.append(getTime(ts.getEndTime()).toStringLocalTime()); if (isCrossDay) { sb.append(", " + getShortWeekDayName(ts.getEndTime())); sb.append(", " + getTime(ts.getEndTime()).toStringLocalShortDate()); } return sb.toString(); } private String getMeetingPeriod(SignupMeeting sm) { StringBuffer sb = new StringBuffer(); sb.append(getTime(sm.getStartTime()).toStringLocalTime()); if (sm.isMeetingCrossDays()) sb.append(", " + getShortWeekDayName(sm.getStartTime())); sb.append(" - "); sb.append(getTime(sm.getEndTime()).toStringLocalTime()); if (sm.isMeetingCrossDays()) { sb.append(", " + getShortWeekDayName(sm.getEndTime()) + ", "); sb.append(getTime(sm.getEndTime()).toStringLocalDate()); } return sb.toString(); } private String getMeetingPeriodShortVersion(SignupMeetingWrapper wrp) { StringBuffer sb = new StringBuffer(); sb.append(getTime(wrp.getStartTime()).toStringLocalTime()); if (wrp.getMeeting().isMeetingCrossDays()) sb.append(", " + getShortWeekDayName(wrp.getStartTime())); sb.append(" - "); sb.append(getTime(wrp.getEndTime()).toStringLocalTime()); if (wrp.getMeeting().isMeetingCrossDays()) { sb.append(", " + getShortWeekDayName(wrp.getEndTime()) + ", "); sb.append(getTime(wrp.getEndTime()).toStringLocalDate()); } return sb.toString(); } private String getNames(List<SignupAttendee> attendees, boolean needSorting) { if (attendees == null) return ""; StringBuffer sb = new StringBuffer(); for (SignupAttendee s : attendees) { s.setDisplayName(sakaiFacade.getUserDisplayLastFirstName(s.getAttendeeUserId())); } //sorting by last name Jira: Signup-204 if (needSorting) Collections.sort(attendees); for (SignupAttendee att : attendees) { sb.append(att.getDisplayName()); final String dateInscription = signupMeetingService .getUsersLocalDateTimeString(att.getInscriptionTime()); if (StringUtils.isNotEmpty(dateInscription)) { sb.append(" - " + dateInscription); } sb.append("\n"); } /* remove the last'\n' one */ return sb.length() > 1 ? sb.substring(0, sb.length() - 1) : ""; } private String getIds(List<SignupAttendee> attendees) { if (attendees == null) return ""; StringBuffer sb = new StringBuffer(); for (SignupAttendee att : attendees) { sb.append(sakaiFacade.getUser(att.getAttendeeUserId()).getDisplayId()); sb.append("\n"); } /* remove the last'\n' one */ return sb.length() > 1 ? sb.substring(0, sb.length() - 1) : ""; } private String getAvailableSitesGroups(SignupMeeting sm) { StringBuffer sb = new StringBuffer(); List<SignupSite> sites = sm.getSignupSites(); for (SignupSite site : sites) { sb.append(site.getTitle()); if (site.isSiteScope()) { sb.append(" " + rb.getString("event_site_level")); sb.append("\n"); continue; } sb.append(" " + rb.getString("event_group_level")); sb.append("\n"); List<SignupGroup> groups = site.getSignupGroups(); if (groups != null) { for (SignupGroup grp : groups) { sb.append(" - " + grp.getTitle()); sb.append("\n"); } } } /* remove the last'\n' one */ return sb.length() > 1 ? sb.substring(0, sb.length() - 1) : ""; } private int getNumRows(String s) { int num = 1; int pos = -1; if (s != null) { while (pos < s.length()) { pos = s.indexOf("\n", pos + 1); if (pos > 0) num++; else break; } } return num; } private int getDescRowNum(String description) { if (description == null) return 1; int size = description.length(); int descRows = size / 100; if (descRows < 1) descRows = 1; int newLineNum = getNumRows(description); if (newLineNum > descRows) descRows = newLineNum; return descRows; } private boolean isOrganizer(SignupMeeting sm) { return sm.getPermission().isUpdate() || sm.getPermission().isDelete(); } private boolean isViewerSelf(SignupAttendee att) { if (this.sakaiFacade.getCurrentUserId().equals(att.getAttendeeUserId())) return true; return false; } private boolean isDisplayNames(SignupMeeting sm) { boolean display = false; if (sm.getPermission().isUpdate() || sm.getPermission().isDelete()) display = true; else { if (sm.getSignupTimeSlots() != null && sm.getSignupTimeSlots().get(0).isDisplayAttendees()) display = true; } return display; } private double getDurationLength(Date endTime, Date startTime) { double duration = 0; duration = endTime.getTime() - startTime.getTime(); duration = duration / (1000 * 60);// minutes return duration; } private String getYourStatus(SignupTimeslot ts) { List<SignupAttendee> atts = ts.getAttendees(); if (atts != null) { for (SignupAttendee a : atts) { if (a.getAttendeeUserId().equals(sakaiFacade.getCurrentUserId())) return rb.getString("event_you_signed_up"); } } List<SignupAttendee> waiters = ts.getWaitingList(); if (waiters != null) { for (SignupAttendee w : waiters) { if (w.getAttendeeUserId().equals(sakaiFacade.getCurrentUserId())) return rb.getString("event_you_on_wait_list", "on waiting list"); } } return ""; } private String getShortWeekDayName(Date date) { dateFormat.applyLocalizedPattern("EEE"); return dateFormat.format(date); } private String getCurrentUserName() { return sakaiFacade.getUserDisplayName(sakaiFacade.getCurrentUserId()); } private String getCurrentSiteTitle() { String siteId = sakaiFacade.getCurrentLocationId(); return getSiteTitle(siteId); } private String getSiteTitle(String siteId) { Site site; try { site = sakaiFacade.getSiteService().getSite(siteId); } catch (IdUnusedException e) { return ""; } String title = site.getTitle();// + ": " + site.getShortDescription(); return title; } private Hyperlink setAttachmentURLLinks(SignupAttachment attach) { Hyperlink hsHyperlink = wb.getCreationHelper().createHyperlink(HyperlinkType.URL); String link = this.sakaiFacade.getServerConfigurationService().getServerUrl() + attach.getLocation(); hsHyperlink.setAddress(link); hsHyperlink.setLabel(attach.getFilename()); return hsHyperlink; } private void initTableThRow() { tabTitles_Organizor = new String[6]; tabTitles_Organizor[0] = rb.getString("tab_time_slot", "Time Slot"); tabTitles_Organizor[1] = rb.getString("tab_max_attendee", "Max # of Participants"); tabTitles_Organizor[2] = rb.getString("tab_attendees", "Participants"); tabTitles_Organizor[3] = rb.getString("tab_attendees_eids", "Participants User IDs"); tabTitles_Organizor[4] = rb.getString("tab_waiting_list", "Wait List"); tabTitles_Organizor[5] = rb.getString("tab_date_inscription", "Date of Inscription"); tabTitles_Participant = new String[5]; tabTitles_Participant[0] = rb.getString("tab_time_slot", "Time Slot"); tabTitles_Participant[1] = rb.getString("tab_event_available_slots", "Available Slots"); tabTitles_Participant[2] = rb.getString("tab_attendees", "Participants"); tabTitles_Participant[3] = rb.getString("tab_attendees_eids", "Participants User IDs"); tabTitles_Participant[4] = rb.getString("tab_event_your_status", "Your Status"); tabTitles_shortVersion = new String[7]; tabTitles_shortVersion[0] = rb.getString("tab_event_name", "Meeting Title"); tabTitles_shortVersion[1] = rb.getString("tab_event_owner", "Organizer"); tabTitles_shortVersion[2] = rb.getString("tab_event_location", "Location"); tabTitles_shortVersion[3] = rb.getString("tab_event_category", "Category"); tabTitles_shortVersion[4] = rb.getString("tab_event_date", "Date"); tabTitles_shortVersion[5] = rb.getString("tab_event_time", "Time"); tabTitles_shortVersion[6] = rb.getString("tab_event_availability", "Status"); } static private String CreateValidWorksheetName(String name, int serialNum, boolean hasSerialNum) { // Worksheet name cannot be longer than 31 characters. if (name == null || name.trim().length() < 1) { name = "sheet"; } String suffix = ""; if (hasSerialNum) suffix = " (" + serialNum + ")"; StringBuilder escapedString = new StringBuilder(); name = name.trim(); for (int i = 0; i < name.length(); i++) { char escapedStringCur_char = name.charAt(i); /*Strip out the first single quote, which is not allowed by Excel*/ if (i == 0 && escapedStringCur_char == '\'') continue; if (escapedStringCur_char == ':' || escapedStringCur_char == '\\' || escapedStringCur_char == '/' || escapedStringCur_char == '?' || escapedStringCur_char == '*' || escapedStringCur_char == '[' || escapedStringCur_char == ']') { escapedString.append('_'); } else { escapedString.append(escapedStringCur_char); } } /* * there will be another 6 serial number characters: ' (xxx)' appending * and add together to 31 characters (Excel sheet name limit) */ String validSheetName = escapedString.toString().length() <= 31 - suffix.length() ? escapedString.toString() : escapedString.substring(0, 31 - suffix.length()); validSheetName = validSheetName + suffix; return validSheetName; } /** * Create a data excel worksheet for attendee's informaiton, which is in the gradebook import format */ private Workbook createAttendanceDataWorksheet(List<SignupMeetingWrapper> wrappers) { String eventTitle = rb.getString("sheet_name_Attendance_data", "Attendance"); Sheet sheet = wb.createSheet(eventTitle); PrintSetup printSetup = sheet.getPrintSetup(); printSetup.setLandscape(true); sheet.setFitToPage(true); sheet.setHorizontallyCenter(true); //Map to store all data Map<String, List<Integer>> m = new HashMap<String, List<Integer>>(); if (wrappers == null) return wb; /* Define column numbers and width here */ int numberOfColumn = wrappers.size() + 1; sheet.setColumnWidth(0, 25 * 256);// event title int rowNum = 0; Cell cell = null; Row titleRow = sheet.createRow(rowNum++); titleRow.setHeightInPoints(rowHigh); for (int i = 0; i <= numberOfColumn; i++) { titleRow.createCell(i).setCellStyle(styles.get("item_leftBold")); } int cellNum = 0; titleRow.getCell(cellNum++).setCellValue(rb.getString("wksheet_attendance_UserID", "UserID")); int index = -1; for (SignupMeetingWrapper wrp : wrappers) { if (wrp.getMeeting().isAllowAttendance()) { index++; titleRow.getCell(cellNum++).setCellValue(wrp.getMeeting().getTitle()); List<SignupTimeslot> tsItems = wrp.getMeeting().getSignupTimeSlots(); if (tsItems != null) { for (SignupTimeslot tsItem : tsItems) { /*strange thing happen for hibernate, tsItem can be null for mySql 4.x*/ List<SignupAttendee> attendees = tsItem == null ? null : getValidAttendees(tsItem.getAttendees()); if (attendees != null) { for (SignupAttendee att : attendees) { //If attended then score is 1 else 0 Integer attended = 0; if (att.isAttended()) { attended = 1; } User attendee = sakaiFacade.getUser(att.getAttendeeUserId()); String attendeeEID = attendee.getEid(); if (m.containsKey(attendeeEID)) { //Integer value=m.get(attendeeEID).get(index); List<Integer> attendanceList = m.get(attendeeEID); if (attendanceList.get(index) != null) { attendanceList.set(index, attendanceList.get(index) + attended); } else { attendanceList.set(index, attended); } } else { List<Integer> newList = Arrays.asList(new Integer[wrappers.size()]); newList.set(index, attended); m.put(attendeeEID, newList); } } } //Recording attendance for waitlisted user Signup-106 List<SignupAttendee> waitingList = tsItem == null ? null : tsItem.getWaitingList(); if (waitingList != null) { //For waitlisted user, if added it is scored, if not ignored Integer attended = 1; for (SignupAttendee wt : waitingList) { if (wt.isAttended()) { User attendee = sakaiFacade.getUser(wt.getAttendeeUserId()); String attendeeEID = attendee.getEid(); if (m.containsKey(attendeeEID)) { //Integer value=m.get(attendeeEID).get(index); List<Integer> attendanceList = m.get(attendeeEID); if (attendanceList.get(index) != null) { attendanceList.set(index, attendanceList.get(index) + attended); } else { attendanceList.set(index, attended); } } else { List<Integer> newList = Arrays.asList(new Integer[wrappers.size()]); newList.set(index, attended); m.put(attendeeEID, newList); } } } } } } } } //populate the map into workbook Iterator it = m.entrySet().iterator(); while (it.hasNext()) { //key value pair of Map Map.Entry pairs = (Map.Entry) it.next(); //create new row Row row = sheet.createRow(rowNum++); for (int i = 0; i <= numberOfColumn; i++) { row.createCell(i).setCellStyle(styles.get("item_left")); } cellNum = 0; row.getCell(cellNum++).setCellValue((String) pairs.getKey()); List<Integer> attendanceList = (List) pairs.getValue(); for (int i = 0; i < attendanceList.size(); i++) { if (attendanceList.get(i) != null) { row.getCell(cellNum++).setCellValue(attendanceList.get(i)); } else { //empty value if null row.getCell(cellNum++).setCellValue(""); } } } return wb; } /** * @return true if sakai property signup.enableAttendance is true and meeting have attendance enabled */ public boolean isAttendanceOn(List<SignupMeetingWrapper> wrappers) { if (sakaiFacade.getServerConfigurationService().getBoolean("signup.enableAttendance", false)) { for (SignupMeetingWrapper wrp : wrappers) { if (wrp.getMeeting().isAllowAttendance()) { return true; } } return false; } else { return false; } } /** * Clean the list of attendees by checking that each user is valid. This is a duplicate of the SignupUIBaseBean method. * @param attendees List of attendees to be cleaned * @return the cleaned list */ public List<SignupAttendee> getValidAttendees(List<SignupAttendee> attendees) { List<SignupAttendee> cleanedList = new ArrayList<SignupAttendee>(); for (SignupAttendee attendee : attendees) { if (sakaiFacade.checkForUser(attendee.getAttendeeUserId())) { cleanedList.add(attendee); } } return cleanedList; } }