Java tutorial
/* * Licensed to Jasig under one or more contributor license * agreements. See the NOTICE file distributed with this work * for additional information regarding copyright ownership. * Jasig licenses this file to you 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 edu.wisc.hr.demo; import edu.wisc.hr.dao.bnsemail.BusinessEmailUpdateDao; import edu.wisc.hr.dao.bnsemail.BusinessEmailUpdateNotifier; import edu.wisc.hr.dao.person.ContactInfoDao; import edu.wisc.hr.dm.bnsemail.PreferredEmail; import edu.wisc.hr.dm.person.PersonInformation; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Repository; import java.util.HashMap; import java.util.Map; /** * Implementation of BusinessEmailUpdateDao defaults preferred email addresses to emplId@domain * but remembers in-memory updates to preferred email. * * This implementation makes no attempt to be thread-safe (it's a demo!). * * It depends on a ContactInfoDao (defaulting to the random data implementation) so as to provide consistent person * names for emplIds. This is intended to be autowired such that this uses the same contact DAO as other HRS portlet * functionality. */ @Repository public class InMemoryBusinessEmailUpdateDao implements BusinessEmailUpdateDao { private static final String DEMO_DOMAIN = "entropy.edu"; private BusinessEmailUpdateNotifier businessEmailUpdateNotifier = new LoggingBusinessEmailUpdateNotifier(); private ContactInfoDao contactInfoDao = new RandomContactInfoDao(); /** * Map from emplId to preferred email address for exceptions to default. */ private Map idToEmail = new HashMap<String, String>(); @Override public PreferredEmail getPreferedEmail(String emplId) { if (emplId == null) { throw new IllegalArgumentException( "Cannot get the preferred email of a user identified by a null emplId"); } String preferredEmailAddress = emplId.concat("@").concat(DEMO_DOMAIN); if (idToEmail.containsKey(emplId)) { preferredEmailAddress = (String) idToEmail.get(emplId); } PreferredEmail preferredEmail = new PreferredEmail(); preferredEmail.setEmail(preferredEmailAddress); preferredEmail.setEmplid(emplId); PersonInformation personalData = contactInfoDao.getPersonalData(emplId); preferredEmail.setName(personalData.getName()); preferredEmail.setMessage("Rain in Spain falls mainly on the plain."); return preferredEmail; } @Override public void updatePreferedEmail(String emplId, String newAddress) { if (newAddress == null) { throw new IllegalArgumentException("Cannot set preferred email address to null."); } if (emplId == null) { throw new IllegalArgumentException( "Cannot update the preferred email address of " + "a user identified by a null emplId"); } String defaultAddress = emplId.concat(DEMO_DOMAIN); String oldAddress = defaultAddress; if (idToEmail.containsKey(emplId)) { oldAddress = (String) idToEmail.get(emplId); } if (newAddress.equals(defaultAddress)) { // setting preferred email to the default; simply drop any remembered mapping for this user idToEmail.remove(emplId); } idToEmail.put(emplId, newAddress); this.businessEmailUpdateNotifier.notifyEmailUpdated(oldAddress, newAddress); } public ContactInfoDao getContactInfoDao() { return contactInfoDao; } @Autowired public void setContactInfoDao(ContactInfoDao contactInfoDao) { this.contactInfoDao = contactInfoDao; } }