/*
 * Copyright (c) 2021, WSO2 Inc. (http://www.wso2.com).
 *
 * WSO2 Inc. 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.wso2.carbon.identity.api.server.userstore.common.factory;

import org.springframework.beans.factory.config.AbstractFactoryBean;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import org.wso2.carbon.identity.claim.metadata.mgt.ClaimMetadataManagementService;

/**
 * Factory Beans serves as a factory for creating other beans within the IOC container. This factory bean is used to
 * instantiate the ClaimMetadataManagementService type of object inside the container.
 */
public class ClaimMetadataManagementServiceFactory extends AbstractFactoryBean<ClaimMetadataManagementService> {

    private ClaimMetadataManagementService claimMetadataManagementService;

    @Override
    public Class<ClaimMetadataManagementService> getObjectType() {

        return ClaimMetadataManagementService.class;
    }

    @Override
    protected ClaimMetadataManagementService createInstance() throws Exception {

        if (this.claimMetadataManagementService != null) {
            return this.claimMetadataManagementService;
        }

        ClaimMetadataManagementService claimMetadataManagementService = (ClaimMetadataManagementService)
                    PrivilegedCarbonContext.getThreadLocalCarbonContext()
                            .getOSGiService(ClaimMetadataManagementService.class, null);
        if (claimMetadataManagementService != null) {
            this.claimMetadataManagementService = claimMetadataManagementService;
            return this.claimMetadataManagementService;
        }
        throw new Exception("Unable to retrieve Claim Metadata Management Service.");
    }
}
