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 org.openregistry.core.service; import org.apache.commons.lang.StringUtils; import org.openregistry.core.domain.IdentifierType; import org.openregistry.core.domain.Identifier; import org.openregistry.core.domain.Person; import org.openregistry.core.repository.PersonRepository; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import javax.inject.Inject; import javax.inject.Named; import java.util.Date; import java.util.Map; import static java.lang.String.format; /** * Default implementation of <code>IdentifierChangeService</code> * @since 1.0 */ @Named("identifierChangeService") public class DefaultIdentifierChangeService implements IdentifierChangeService { protected final Logger logger = LoggerFactory.getLogger(getClass()); @Inject private PersonRepository personRepository; @Transactional(propagation = Propagation.REQUIRED, noRollbackFor = IllegalArgumentException.class) public boolean change(Identifier internalId, String changedId) { //check if both identifier are of the same type if (internalId == null || StringUtils.isEmpty(changedId)) { throw new IllegalArgumentException("new or old identifer couldn't be null"); } if (internalId.getValue().equals(changedId)) { logger.debug("new identifier is the same no need to change existing identifier"); return false; } final Person person = this.findPersonByIdentifier(internalId.getType().getName(), internalId.getValue()); if (person == null) throw new IllegalArgumentException( format("The person with the provided identifier [%s] does not exist", internalId.getValue())); final Person person2 = this.findPersonByIdentifier(internalId.getType().getName(), changedId); if (person2 != null && person.getId() != person2.getId()) { throw new IllegalArgumentException( format("The person with the proposed new identifier [%s] already exists.", changedId)); } Map<String, Identifier> primaryIds = person.getPrimaryIdentifiersByType(); Identifier currId = primaryIds.get(internalId.getType().getName()); if (currId == null) throw new IllegalStateException("Provided Id doesnt exist as primary identifier "); if (currId.getValue().equals(changedId)) { logger.debug( format("The provided new primary identifier [%s] already assigned to the person.", changedId)); } else if (!currId.getValue().equals(internalId.getValue())) { throw new IllegalArgumentException( format("The provided primary identifier [%s] does not match the current primary identifier", internalId.getValue())); } //check if the provided new identifier is already there, and if so, do the update, otherwise - do the insert. Identifier providedId = person.findIdentifierByValue(internalId.getType().getName(), changedId); if (providedId == null) { providedId = person.addIdentifier(internalId.getType(), changedId); } providedId.setPrimary(true); providedId.setDeleted(false); currId.setPrimary(false); currId.setDeleted(true); return true; } public Person findPersonByIdentifier(final String identifierType, final String identifierValue) { try { return this.personRepository.findByIdentifier(identifierType, identifierValue); } catch (final Exception e) { return null; } } @Transactional(propagation = Propagation.REQUIRED, noRollbackFor = IllegalArgumentException.class) public void updateChangeable(final Identifier identifierToUpdate, boolean changeable) { final Person person = this.findPersonByIdentifier(identifierToUpdate.getType().getName(), identifierToUpdate.getValue()); if (person == null) throw new IllegalArgumentException(format("The person with the provided identifier [%s] does not exist", identifierToUpdate.getValue())); Identifier identifier = person.findIdentifierByValue(identifierToUpdate.getType().getName(), identifierToUpdate.getValue()); identifier.setChangeable(changeable); } @Transactional(propagation = Propagation.REQUIRED, noRollbackFor = IllegalArgumentException.class) public void updateChangeExpDate(final Identifier identifierToUpdate, final Date changeExpDate) { final Person person = this.findPersonByIdentifier(identifierToUpdate.getType().getName(), identifierToUpdate.getValue()); if (person == null) throw new IllegalArgumentException(format("The person with the provided identifier [%s] does not exist", identifierToUpdate.getValue())); Identifier identifier = person.findIdentifierByValue(identifierToUpdate.getType().getName(), identifierToUpdate.getValue()); identifier.setChangeExpirationDate(changeExpDate); } }