Java tutorial
/* * ProActive Parallel Suite(TM): * The Open Source library for parallel and distributed * Workflows & Scheduling, Orchestration, Cloud Automation * and Big Data Analysis on Enterprise Grids & Clouds. * * Copyright (c) 2007 - 2017 ActiveEon * Contact: contact@activeeon.com * * This library is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation: version 3 of * the License. * * This program 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * If needed, contact us to obtain a release under GPL Version 2 or 3 * or a different license than the AGPL. */ package org.ow2.proactive.connector.iaas.service; import java.util.AbstractMap.SimpleImmutableEntry; import java.util.Optional; import javax.ws.rs.NotFoundException; import org.ow2.proactive.connector.iaas.cloud.CloudManager; import org.ow2.proactive.connector.iaas.model.Instance; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; /** * @author ActiveEon Team * @since 07/09/17 */ @Service public class KeyPairService { @Autowired private InfrastructureService infrastructureService; @Autowired private CloudManager cloudManager; public SimpleImmutableEntry<String, String> createKeyPair(String infrastructureId, Instance instance) { return Optional.ofNullable(infrastructureService.getInfrastructure(infrastructureId)) .map(infrastructure -> cloudManager.createKeyPair(infrastructure, instance)) .orElseThrow(() -> new NotFoundException( "infrastructure id : " + infrastructureId + " does not exists")); } }