/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.stratos.cloud.controller.statistics.publisher;

import org.apache.stratos.common.constants.StratosConstants;
import org.apache.stratos.common.exception.InvalidStatisticsPublisherTypeException;
import org.apache.stratos.common.statistics.publisher.StatisticsPublisherType;

/**
 * Creating MemberInformationPublisher.
 */
public class CloudControllerPublisherFactory {
    /**
     * Create member information publisher
     *
     * @return MemberInformationPublisher
     */
    public static MemberInformationPublisher createMemberInformationPublisher() {
        String typeValue = System.getProperty(StratosConstants.STATS_PUBLISHER_TYPE_KEY,
                StatisticsPublisherType.JDBC.toString());
        StatisticsPublisherType type = StatisticsPublisherType.getType(typeValue);
        if (type == StatisticsPublisherType.WSO2DAS) {
            return DASMemberInformationPublisher.getInstance();
        } else if (type == StatisticsPublisherType.JDBC) {
            return JDBCMemberInformationPublisher.getInstance();
        } else {
            throw new InvalidStatisticsPublisherTypeException("Invalid statistics publisher type is used to create " +
                    "publisher.");
        }
    }

    /**
     * Create member status publisher
     *
     * @return MemberStatusPublisher
     */
    public static MemberStatusPublisher createMemberStatusPublisher() {
        String typeValue = System.getProperty(StratosConstants.STATS_PUBLISHER_TYPE_KEY,
                StatisticsPublisherType.JDBC.toString());
        StatisticsPublisherType type = StatisticsPublisherType.getType(typeValue);
        if (type == StatisticsPublisherType.WSO2DAS) {
            return DASMemberStatusPublisher.getInstance();
        } else if (type == StatisticsPublisherType.JDBC) {
            return JDBCMemberStatusPublisher.getInstance();
        } else {
            throw new InvalidStatisticsPublisherTypeException("Invalid statistics publisher type is used to create " +
                    "publisher.");
        }
    }
}
