jp.primecloud.auto.api.instance.ListInstance.java Source code

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Here is the source code for jp.primecloud.auto.api.instance.ListInstance.java

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/*
 * 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.instance;

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.instance.InstanceResponse;
import jp.primecloud.auto.api.response.instance.ListInstanceResponse;
import jp.primecloud.auto.entity.crud.Farm;
import jp.primecloud.auto.entity.crud.Instance;
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("/ListInstance")
public class ListInstance extends ApiSupport {

    /**
     *
     * ?? ???????
     *
     * @param farmNo ?
     *
     * @return ListInstanceResponse
     */
    @GET
    @Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
    public ListInstanceResponse listInstance(@QueryParam(PARAM_NAME_FARM_NO) String farmNo) {

        ListInstanceResponse response = new ListInstanceResponse();

        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<Instance> instances = instanceDao.readByFarmNo(Long.parseLong(farmNo));
            if (instances.isEmpty() == false) {
                //
                Collections.sort(instances, Comparators.COMPARATOR_INSTANCE);
            }

            for (Instance instance : instances) {
                if (BooleanUtils.isTrue(instance.getLoadBalancer())) {
                    // ?????
                    continue;
                }
                //
                response.addInstance(new InstanceResponse(instance));
            }

            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;
    }
}