org.eclipse.hono.adapter.kura.Config.java Source code

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Here is the source code for org.eclipse.hono.adapter.kura.Config.java

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/**
 * Copyright (c) 2017, 2018 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 1.0 which is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * SPDX-License-Identifier: EPL-1.0
 */

package org.eclipse.hono.adapter.kura;

import org.eclipse.hono.client.RequestResponseClientConfigProperties;
import org.eclipse.hono.config.ApplicationConfigProperties;
import org.eclipse.hono.config.ClientConfigProperties;
import org.eclipse.hono.service.AbstractAdapterConfig;
import org.springframework.beans.factory.config.ObjectFactoryCreatingFactoryBean;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;

/**
 * Spring Boot configuration for the Eclipse Kura protocol adapter.
 */
@Configuration
public class Config extends AbstractAdapterConfig {

    private static final String CONTAINER_ID_KURA_ADAPTER = "Kura Adapter";
    private static final String BEAN_NAME_KURA_PROTOCOL_ADAPTER = "kuraProtocolAdapter";

    /**
     * Creates a new MQTT protocol adapter instance.
     * 
     * @return The new instance.
     */
    @Bean(name = BEAN_NAME_KURA_PROTOCOL_ADAPTER)
    @Scope("prototype")
    public KuraProtocolAdapter kuraProtocolAdapter() {
        return new KuraProtocolAdapter();
    }

    @Override
    protected void customizeMessagingClientConfig(final ClientConfigProperties props) {
        if (props.getName() == null) {
            props.setName(CONTAINER_ID_KURA_ADAPTER);
        }
    }

    @Override
    protected void customizeRegistrationServiceClientConfig(final RequestResponseClientConfigProperties props) {
        if (props.getName() == null) {
            props.setName(CONTAINER_ID_KURA_ADAPTER);
        }
    }

    @Override
    protected void customizeCredentialsServiceClientConfig(final RequestResponseClientConfigProperties props) {
        if (props.getName() == null) {
            props.setName(CONTAINER_ID_KURA_ADAPTER);
        }
    }

    /**
     * Exposes properties for configuring the application properties as a Spring bean.
     *
     * @return The application configuration properties.
     */
    @Bean
    @ConfigurationProperties(prefix = "hono.app")
    public ApplicationConfigProperties applicationConfigProperties() {
        return new ApplicationConfigProperties();
    }

    /**
     * Exposes the Kura adapter's configuration properties as a Spring bean.
     * 
     * @return The configuration properties.
     */
    @Bean
    @ConfigurationProperties(prefix = "hono.kura")
    public KuraAdapterProperties adapterProperties() {
        return new KuraAdapterProperties();
    }

    /**
     * Exposes a factory for creating MQTT adapter instances.
     * 
     * @return The factory bean.
     */
    @Bean
    public ObjectFactoryCreatingFactoryBean serviceFactory() {
        final ObjectFactoryCreatingFactoryBean factory = new ObjectFactoryCreatingFactoryBean();
        factory.setTargetBeanName(BEAN_NAME_KURA_PROTOCOL_ADAPTER);
        return factory;
    }
}