Java tutorial
package com.devicehive.service; /* * #%L * DeviceHive Java Server Common business logic * %% * Copyright (C) 2016 DataArt * %% * 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. * #L% */ import com.devicehive.configuration.Messages; import com.devicehive.dao.IdentityProviderDao; import com.devicehive.exceptions.IllegalParametersException; import com.devicehive.util.HiveValidator; import com.devicehive.vo.IdentityProviderVO; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import javax.validation.constraints.NotNull; /** * Created by tmatvienko on 11/17/14. */ @Component public class IdentityProviderService { @Autowired private HiveValidator hiveValidator; @Autowired private IdentityProviderDao identityProviderDao; @Transactional(propagation = Propagation.SUPPORTS) public IdentityProviderVO find(@NotNull String name) { return identityProviderDao.getByName(name); } @Transactional(propagation = Propagation.REQUIRED) public boolean delete(@NotNull String name) { return identityProviderDao.deleteById(name); } @Transactional(propagation = Propagation.REQUIRED) public IdentityProviderVO update(@NotNull String providerName, IdentityProviderVO identityProvider) { if (!StringUtils.equals(providerName, identityProvider.getName())) { throw new IllegalParametersException(String.format(Messages.IDENTITY_PROVIDER_NAME_CHANGE_NOT_ALLOWED, providerName, identityProvider.getName())); } IdentityProviderVO existing = find(providerName); if (existing == null) { throw new IllegalParametersException(String.format(Messages.IDENTITY_PROVIDER_NOT_FOUND, providerName)); } if (identityProvider.getName() != null) { existing.setName(identityProvider.getName()); } if (identityProvider.getApiEndpoint() != null) { existing.setApiEndpoint(identityProvider.getApiEndpoint()); } hiveValidator.validate(existing); return identityProviderDao.merge(existing); } }