Java tutorial
/* * Copyright 2014 by SCSK Corporation. * * This file is part of PrimeCloud Controller(TM). * * PrimeCloud Controller(TM) is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * PrimeCloud Controller(TM) 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with PrimeCloud Controller(TM). If not, see <http://www.gnu.org/licenses/>. */ package jp.primecloud.auto.api.lb; import javax.ws.rs.GET; import javax.ws.rs.Path; import javax.ws.rs.Produces; import javax.ws.rs.QueryParam; import javax.ws.rs.core.MediaType; import jp.primecloud.auto.api.ApiSupport; import jp.primecloud.auto.api.ApiValidate; import jp.primecloud.auto.api.response.lb.CreateLoadBalancerResponse; import jp.primecloud.auto.entity.crud.Component; import jp.primecloud.auto.entity.crud.Platform; import jp.primecloud.auto.entity.crud.PlatformAws; import jp.primecloud.auto.entity.crud.User; import jp.primecloud.auto.exception.AutoApplicationException; import jp.primecloud.auto.exception.AutoException; import jp.primecloud.auto.util.MessageUtils; import org.apache.commons.lang.BooleanUtils; @Path("/CreateLoadBalancer") public class CreateLoadBalancer extends ApiSupport { /** * * ?? * * @param userName ?? * @param farmNo ? * @param loadBalancerName ?? * @param platformNo ? * @param loadBalancerType ?(aws or ultramonkey) * @param componentNo ??? * @param comment * * @return CreateLoadBalancerResponse */ @GET @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML }) public CreateLoadBalancerResponse createLoadBalancer(@QueryParam(PARAM_NAME_USER) String userName, @QueryParam(PARAM_NAME_FARM_NO) String farmNo, @QueryParam(PARAM_NAME_LOAD_BALANCER_NAME) String loadBalancerName, @QueryParam(PARAM_NAME_PLATFORM_NO) String platformNo, @QueryParam(PARAM_NAME_LOAD_BALANCER_TYPE) String loadBalancerType, @QueryParam(PARAM_NAME_COMPONENT_NO) String componentNo, @QueryParam(PARAM_NAME_COMMENT) String comment, @QueryParam(PARAM_NAME_IS_INTERNAL) String isInternal) { CreateLoadBalancerResponse response = new CreateLoadBalancerResponse(); try { User user = userDao.readByUsername(userName); // ? // Key(??) ApiValidate.validateUser(userName); // FarmNo ApiValidate.validateFarmNo(farmNo); // LoadBalancerName ApiValidate.validateLoadBalancerName(loadBalancerName); // PlatformNo ApiValidate.validatePlatformNo(platformNo); Platform platform = platformDao.read(Long.parseLong(platformNo)); if (platform == null) { //???? throw new AutoApplicationException("EAPI-100000", "Platform", PARAM_NAME_PLATFORM_NO, platformNo); } if (!platformService.isUseablePlatforms(user.getUserNo(), platform) || BooleanUtils.isNotTrue(platform.getSelectable())) { //????? or ???? throw new AutoApplicationException("EAPI-000020", "Platform", PARAM_NAME_PLATFORM_NO, platformNo); } // LoadBalancerType ApiValidate.validateLoadBalancerType(loadBalancerType); PlatformAws platformAws = platformAwsDao.read(Long.parseLong(platformNo)); if (LB_TYPE_ELB.equals(loadBalancerType) && (PLATFORM_TYPE_AWS.equals(platform.getPlatformType()) == false || platformAws.getEuca())) { //loadBalancerType=ELB?=EC2?? //EC2?? ELB(Elastic Load Balancing)?? throw new AutoApplicationException("EAPI-000015", platform.getPlatformNo(), loadBalancerType); } // ComponentNo ApiValidate.validateComponentNo(componentNo); // Comment ApiValidate.validateComment(comment); // isInternal boolean internal = false; if (isInternal != null) { ApiValidate.validateIsInternal(isInternal); internal = Boolean.parseBoolean(isInternal); } if (!LB_TYPE_ELB.equals(loadBalancerType) || !platformAws.getVpc()) { if (BooleanUtils.isTrue(internal)) { // ELB ???VPC?????? throw new AutoApplicationException("EAPI -100041", loadBalancerName); } } // ??? Component component = componentDao.read(Long.parseLong(componentNo)); if (component == null) { // ?????? throw new AutoApplicationException("EAPI-100000", "Component", PARAM_NAME_COMPONENT_NO, componentNo); } if (BooleanUtils.isFalse(component.getFarmNo().equals(Long.parseLong(farmNo)))) { //??????? throw new AutoApplicationException("EAPI-100022", "Component", farmNo, PARAM_NAME_COMPONENT_NO, componentNo); } // ?? Long newLoadBalancerNo = null; if (LB_TYPE_ELB.equals(loadBalancerType)) { //AWS ELB(Elastic Load Balancing) newLoadBalancerNo = loadBalancerService.createAwsLoadBalancer(Long.parseLong(farmNo), loadBalancerName, comment, Long.parseLong(platformNo), Long.parseLong(componentNo), internal); } else if (LB_TYPE_ULTRA_MONKEY.equals(loadBalancerType)) { //ultraMonkey newLoadBalancerNo = loadBalancerService.createUltraMonkeyLoadBalancer(Long.parseLong(farmNo), loadBalancerName, comment, Long.parseLong(platformNo), Long.parseLong(componentNo)); } else if (LB_TYPE_CLOUDSTACK.equals(loadBalancerType)) { //cloudstack newLoadBalancerNo = loadBalancerService.createCloudstackLoadBalancer(Long.parseLong(farmNo), loadBalancerName, comment, Long.parseLong(platformNo), Long.parseLong(componentNo)); } response.setLoadBalancerNo(newLoadBalancerNo); response.setSuccess(true); } catch (Throwable e) { String message = ""; if (e instanceof AutoException || e instanceof AutoApplicationException) { message = e.getMessage(); } else { message = MessageUtils.getMessage("EAPI-000000"); } log.error(message, e); response.setMessage(message); response.setSuccess(false); } return response; } }