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Micro Distribution of the Payara Project

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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) [2020] Payara Foundation and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/master/LICENSE.txt
 * See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
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 * exception as provided by the Payara Foundation in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
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package fish.payara.nucleus.microprofile.config.source.extension;

import org.glassfish.config.support.GlassFishStubBean;
import org.jvnet.hk2.annotations.Contract;

import fish.payara.nucleus.microprofile.config.spi.ConfigSourceConfiguration;

/**
 * A config source that is backed by a configuration in the domain.xml
 * 
 * @param  the configuration class for the config course
 */
@Contract
public abstract class ConfiguredExtensionConfigSource implements ExtensionConfigSource {

    private final Class configClass;

    protected C configuration;

    public ConfiguredExtensionConfigSource() {
        this.configClass = ConfigSourceExtensions.getConfigurationClass(getClass());
    }

    public final void setConfiguration(C configuration) {
        if (configuration != null) {
            this.configuration = GlassFishStubBean.cloneBean(configuration, configClass);
        }
    }

    public final C getConfiguration() {
        return configuration;
    }

}