DescribeComponent.java

/*
 * 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 jp.primecloud.auto.api.response.component.ComponentInstanceResponse;
import jp.primecloud.auto.api.response.component.ComponentLoadBalancerResponse;
import jp.primecloud.auto.api.response.component.ComponentResponse;
import jp.primecloud.auto.api.response.component.DescribeComponentResponse;
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.LoadBalancer;
import jp.primecloud.auto.service.impl.Comparators;

import org.apache.commons.lang.BooleanUtils;

@Path("/DescribeComponent")
public class DescribeComponent extends ApiSupport {

    /**
     * サービス情報取得
     *
     * @param componentNo コンポーネント番号
     * @return DescribeComponentResponse
     */
    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public DescribeComponentResponse describeComponent(@QueryParam(PARAM_NAME_COMPONENT_NO) String componentNo) {

        // 入力チェック
        // ComponentNo
        ApiValidate.validateComponentNo(componentNo);

        // コンポーネント取得
        Component component = getComponent(Long.parseLong(componentNo));

        // 権限チェック
        checkAndGetUser(component);

        //コンポーネント情報設定
        ComponentResponse componentResponse = new ComponentResponse(component);

        List<ComponentInstance> componentInstances = componentInstanceDao
                .readByComponentNo(Long.parseLong(componentNo));
        if (componentInstances.isEmpty() == false) {
            //ソート
            Collections.sort(componentInstances, Comparators.COMPARATOR_COMPONENT_INSTANCE);
            for (ComponentInstance componentInstance : componentInstances) {
                // 関連付けが無効で停止している場合は除外
                if (BooleanUtils.isNotTrue(componentInstance.getAssociate())) {
                    ComponentInstanceStatus status = ComponentInstanceStatus.fromStatus(componentInstance.getStatus());
                    if (status == ComponentInstanceStatus.STOPPED) {
                        continue;
                    }
                }
                //コンポーネントインスタンス情報設定
                componentResponse.getInstances().add(new ComponentInstanceResponse(componentInstance));
            }
        }

        //ロードバランサ取得
        List<LoadBalancer> loadBalancers = loadBalancerDao.readByComponentNo(component.getComponentNo());
        if (loadBalancers.isEmpty() == false) {
            //ソート
            Collections.sort(loadBalancers, Comparators.COMPARATOR_LOAD_BALANCER);

            for (LoadBalancer loadBalancer : loadBalancers) {
                componentResponse.getLoadBalancers().add(new ComponentLoadBalancerResponse(loadBalancer));
            }
        }

        DescribeComponentResponse response = new DescribeComponentResponse(componentResponse);

        return response;
    }

}