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.component; import java.util.Collections; import java.util.List; 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 org.apache.commons.lang.BooleanUtils; import jp.primecloud.auto.api.response.component.ComponentResponse; import jp.primecloud.auto.api.response.component.ListComponentResponse; import jp.primecloud.auto.common.status.ComponentInstanceStatus; import jp.primecloud.auto.entity.crud.Component; import jp.primecloud.auto.entity.crud.ComponentInstance; import jp.primecloud.auto.entity.crud.Farm; import jp.primecloud.auto.entity.crud.LoadBalancer; import jp.primecloud.auto.exception.AutoApplicationException; import jp.primecloud.auto.exception.AutoException; import jp.primecloud.auto.service.impl.Comparators; import jp.primecloud.auto.util.MessageUtils; @Path("/ListComponent") public class ListComponent extends ApiSupport { /** * * ? ????? * * @param farmNo ? * * @return ListComponentResponse */ @GET @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML }) public ListComponentResponse listComponent(@QueryParam(PARAM_NAME_FARM_NO) String farmNo) { ListComponentResponse response = new ListComponentResponse(); try { // ? // FarmNo ApiValidate.validateFarmNo(farmNo); // ? Farm farm = farmDao.read(Long.parseLong(farmNo)); if (farm == null) { // ???? throw new AutoApplicationException("EAPI-100000", "Farm", PARAM_NAME_FARM_NO, farmNo); } // ??? List<Component> components = componentDao.readByFarmNo(Long.valueOf(farmNo)); if (components.isEmpty() == false) { // Collections.sort(components, Comparators.COMPARATOR_COMPONENT); } for (Component component : components) { if (BooleanUtils.isTrue(component.getLoadBalancer())) { //?????? continue; } //?? ComponentResponse componentResponse = new ComponentResponse(component); //??? List<ComponentInstance> componentInstances = componentInstanceDao .readByComponentNo(component.getComponentNo()); if (componentInstances.isEmpty() == false) { // Collections.sort(componentInstances, Comparators.COMPARATOR_COMPONENT_INSTANCE); Integer instanceCount = 0; for (ComponentInstance componentInstance : componentInstances) { // ????????? if (BooleanUtils.isNotTrue(componentInstance.getAssociate())) { ComponentInstanceStatus status = ComponentInstanceStatus .fromStatus(componentInstance.getStatus()); if (status == ComponentInstanceStatus.STOPPED) { continue; } } instanceCount++; } // componentResponse.setInstanceCount(instanceCount); } //?? LoadBalancer loadBalancer = null; List<LoadBalancer> loadBalancers = loadBalancerDao.readByComponentNo(component.getComponentNo()); if (loadBalancers.isEmpty() == false) { // Collections.sort(loadBalancers, Comparators.COMPARATOR_LOAD_BALANCER); //???1? loadBalancer = loadBalancers.get(0); //??? componentResponse.setLoadBalancerName(loadBalancer.getLoadBalancerName()); } response.addComponents(componentResponse); } 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; } }