Java tutorial
/** * Copyright 2013 Instituto Superior Tcnico * * This file is part of FenixEdu IST Integration. * * FenixEdu IST Integration 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 IST Integration 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 IST Integration. If not, see <http://www.gnu.org/licenses/>. */ package pt.ist.fenixedu.integration.task.exportData.parking; import java.io.ByteArrayOutputStream; import java.io.PrintStream; import java.util.Properties; import java.util.Set; import java.util.stream.Collectors; import java.util.stream.Stream; import javax.activation.DataHandler; import javax.activation.DataSource; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Multipart; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; import javax.mail.util.ByteArrayDataSource; import org.apache.commons.lang.WordUtils; import org.fenixedu.academic.FenixEduAcademicConfiguration; import org.fenixedu.academic.domain.Person; import org.fenixedu.academic.domain.exceptions.DomainException; import org.fenixedu.academic.domain.util.email.Sender; import org.fenixedu.bennu.core.domain.Bennu; import org.fenixedu.bennu.core.domain.User; import org.fenixedu.bennu.scheduler.annotation.Task; import org.fenixedu.bennu.scheduler.custom.CustomTask; import org.fenixedu.commons.StringNormalizer; import org.fenixedu.idcards.domain.SantanderCardInformation; import org.joda.time.DateTime; import pt.ist.fenixedu.parking.domain.ParkingGroup; import pt.ist.fenixedu.parking.domain.ParkingParty; @Task(englishTitle = "Send car park users to remote car park") public class ExportCarParkUsers extends CustomTask { private static final String EMAIL_ADDRESSES_TO_SEND_DATA = "arcodocego@empark.pt, mamede@empark.pt, aneves@empark.es, luis.cruz@tecnico.pt, lena@tecnico.ulisboa.pt"; @Override public void runTask() throws Exception { final Set<ParkingGroup> allowedGroups = Bennu.getInstance().getParkingGroupsSet().stream() .filter(this::isMemberOfGroup).collect(Collectors.toSet()); final ByteArrayOutputStream stream = new ByteArrayOutputStream(); final PrintStream printStream = new PrintStream(stream, true); printStream.print("[Clientes]\r\n"); Bennu.getInstance().getUserSet().stream() .filter(u -> u.getPerson() != null && isCarParkUser(u, allowedGroups)) .forEach(u -> appendUserInfo(printStream, u)); appendTestUserInfo(printStream); final String filename = "utents_ist.ini"; final byte[] byteArray = stream.toByteArray(); output(filename, byteArray); sendParkingInfoToRemoteCarPark(filename, byteArray); } private void appendTestUserInfo(PrintStream printStream) { printStream.print(invert("4f86bb68")); printStream.print("=a"); printStream.print(truncate(20, WordUtils.capitalizeFully(StringNormalizer.normalize("Utilizador Teste")))); printStream.print(date(new DateTime(2015, 2, 27, 0, 0, 0))); printStream.print(date(new DateTime(2015, 4, 1, 0, 0, 0))); printStream.print("\r\n"); } private void appendUserInfo(final PrintStream printStream, final User user) { final String rfid = getUserRFID(user); if (rfid != null) { printStream.print(toHex(rfid.trim())); printStream.print("=a"); printStream.print(truncate(20, WordUtils.capitalizeFully(StringNormalizer.normalize(user.getProfile().getDisplayName())))); printStream.print(date(getStartDate(user))); printStream.print(date(getEndDate(user))); printStream.print("\r\n"); } } private String toHex(final String rfid) { return invert(makeStringLeftBlock(Long.toHexString(Long.parseLong(rfid)), 8)); } private String date(DateTime dt) { return dt.toString("dd/MM/yyyy"); } private String truncate(final int i, final String s) { return makeStringBlock(s.substring(0, Math.min(s.length(), i)), i); } private String makeStringBlock(String content, int size) { int fillerLength = size - content.length(); if (fillerLength < 0) { throw new DomainException("Content is bigger than string block."); } StringBuilder blockBuilder = new StringBuilder(size); blockBuilder.append(content); for (int i = 0; i < fillerLength; i++) { blockBuilder.append(" "); } return blockBuilder.toString(); } private String makeStringLeftBlock(String content, int size) { int fillerLength = size - content.length(); if (fillerLength < 0) { throw new DomainException("Content is bigger than string block.", content); } StringBuilder blockBuilder = new StringBuilder(size); for (int i = 0; content.length() + i < size; i++) { blockBuilder.append("0"); } blockBuilder.append(content); return blockBuilder.toString(); } private String getUserRFID(final User user) { final Person person = user.getPerson(); final ParkingParty parkingParty = person.getParkingParty(); final Long cn = parkingParty.getCardNumber(); return cn == null ? getLastMifareSerialNumber(person) : cn.toString(); } private String invert(final String rfid) { final StringBuilder builder = new StringBuilder(); for (int i = 0; i < rfid.length(); i++, i++) { final int offset = rfid.length() - i; builder.append(rfid.substring(offset - 2, offset)); } return builder.toString(); } private DateTime getStartDate(final User user) { final Person person = user.getPerson(); final ParkingParty parkingParty = person.getParkingParty(); return parkingParty != null && parkingParty.getCardStartDate() != null ? parkingParty.getCardStartDate() : new DateTime(); } private DateTime getEndDate(final User user) { final Person person = user.getPerson(); final ParkingParty parkingParty = person.getParkingParty(); return parkingParty != null && parkingParty.getCardEndDate() != null ? parkingParty.getCardEndDate() : new DateTime().plusYears(1); } private boolean isCarParkUser(final User user, final Set<ParkingGroup> allowedGroups) { final Person person = user.getPerson(); final ParkingParty parkingParty = person.getParkingParty(); return isActive(parkingParty, allowedGroups); } private static String getLastMifareSerialNumber(final Person person) { final Stream<SantanderCardInformation> infos = person.getSantanderCardsInformationSet().stream(); final String line = infos.map(i -> i.getDchpRegisteLine()).max(ExportCarParkUsers::compareDHCPLines) .orElse(null); return line == null ? null : getMifareSerialNumber(line); } private static String getMifareSerialNumber(String line) { final int offset = line.length() - 550 - 1; return line.substring(offset - 10, offset); } private static int compareDHCPLines(final String l1, String l2) { return l1.substring(1, 9).compareTo(l2.substring(1, 9)); } private boolean isActive(final ParkingParty pp, final Set<ParkingGroup> allowedGroups) { return pp != null && pp.getCardStartDate() != null && pp.getCardStartDate().isBeforeNow() && (pp.getCardEndDate() == null || pp.getCardEndDate().isAfterNow()) && allowedGroups.contains(pp.getParkingGroup()); } private boolean isMemberOfGroup(final ParkingGroup pg) { final String name = pg.getGroupName(); return name.equals("Jubilados") || name.equals("IPSFL") || name.equals("3 ciclo") || name.equals("Investigadores") || name.equals("Bolseiros") || name.equals("Especiais") || name.equals("No Docentes") || name.equals("Docentes") || name.equals("ADIST - Informtica") || name.equals("2 ciclo") // || name.equals("Limitados") // || name.equals("Limitados1") // || name.equals("Limitados2") // || name.equals("Limitados3") // || name.equals("Limitados4") // || name.equals("Limitados5") ; } private void sendParkingInfoToRemoteCarPark(String filename, byte[] byteArray) throws AddressException, MessagingException { final Properties properties = new Properties(); properties.put("mail.smtp.host", FenixEduAcademicConfiguration.getConfiguration().getMailSmtpHost()); properties.put("mail.smtp.name", FenixEduAcademicConfiguration.getConfiguration().getMailSmtpName()); properties.put("mailSender.max.recipients", FenixEduAcademicConfiguration.getConfiguration().getMailSenderMaxRecipients()); properties.put("mail.debug", "false"); final Session session = Session.getDefaultInstance(properties, null); final Sender sender = Bennu.getInstance().getSystemSender(); final Message message = new MimeMessage(session); message.setFrom(new InternetAddress(sender.getFromAddress())); message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(EMAIL_ADDRESSES_TO_SEND_DATA)); message.setSubject("Utentes IST - Atualizao"); message.setText("Listagem atualizada de utentes do IST: " + new DateTime().toString("yyyy-MM-dd HH:mm")); MimeBodyPart messageBodyPart = new MimeBodyPart(); Multipart multipart = new MimeMultipart(); messageBodyPart = new MimeBodyPart(); DataSource source = new ByteArrayDataSource(byteArray, "text/plain"); messageBodyPart.setDataHandler(new DataHandler(source)); messageBodyPart.setFileName(filename); multipart.addBodyPart(messageBodyPart); message.setContent(multipart); Transport.send(message); } }