connectors/examples/petstore-connector/src/main/java/org/foo/connector/springboot/PetStoreConnectorAutoConfiguration.java

/**
 * 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.foo.connector.springboot;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.Generated;
import javax.annotation.PostConstruct;
import org.apache.camel.CamelContext;
import org.apache.camel.component.connector.ConnectorCustomizer;
import org.apache.camel.spi.HasId;
import org.apache.camel.spring.boot.util.CamelPropertiesHelper;
import org.apache.camel.spring.boot.util.HierarchicalPropertiesEvaluator;
import org.apache.camel.util.IntrospectionSupport;
import org.apache.camel.util.ObjectHelper;
import org.foo.connector.PetStoreComponent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;

/**
 * Generated by camel-connector-maven-plugin - do not edit this file!
 */
@Generated("org.apache.camel.maven.connector.SpringBootAutoConfigurationMojo")
@Configuration
@ConditionalOnBean(type = "org.apache.camel.spring.boot.CamelAutoConfiguration")
@AutoConfigureAfter(name = "org.apache.camel.spring.boot.CamelAutoConfiguration")
@EnableConfigurationProperties(PetStoreConnectorConfiguration.class)
public class PetStoreConnectorAutoConfiguration {

    private static final Logger LOGGER = LoggerFactory
            .getLogger(PetStoreConnectorAutoConfiguration.class);
    @Autowired
    private ApplicationContext applicationContext;
    @Autowired
    private CamelContext camelContext;
    @Autowired
    private PetStoreConnectorConfiguration configuration;
    @Autowired(required = false)
    private List<ConnectorCustomizer<PetStoreComponent>> customizers;

    @Lazy
    @Bean(name = "petstore-component")
    @ConditionalOnClass(CamelContext.class)
    @ConditionalOnMissingBean
    public PetStoreComponent configurePetStoreComponent() throws Exception {
        PetStoreComponent connector = new PetStoreComponent();
        connector.setCamelContext(camelContext);
        Map<String, Object> parameters = new HashMap<>();
        IntrospectionSupport.getProperties(configuration, parameters, null,
                false);
        CamelPropertiesHelper.setCamelProperties(camelContext, connector,
                parameters, false);
        connector.setOptions(parameters);
        if (ObjectHelper.isNotEmpty(customizers)) {
            for (ConnectorCustomizer<PetStoreComponent> customizer : customizers) {
                boolean useCustomizer = (customizer instanceof HasId)
                        ? HierarchicalPropertiesEvaluator.evaluate(
                                applicationContext.getEnvironment(),
                                "camel.connector.customizer",
                                "camel.connector.petstore.customizer",
                                ((HasId) customizer).getId())
                        : HierarchicalPropertiesEvaluator.evaluate(
                                applicationContext.getEnvironment(),
                                "camel.connector.customizer",
                                "camel.connector.petstore.customizer");
                if (useCustomizer) {
                    LOGGER.debug("Configure connector {}, with customizer {}",
                            connector, customizer);
                    customizer.customize(connector);
                }
            }
        }
        return connector;
    }

    @PostConstruct
    public void postConstructPetStoreComponent() {
        Map<String, Object> parameters = new HashMap<>();
        for (Map.Entry<String, PetStoreConnectorConfigurationCommon> entry : configuration
                .getConfigurations().entrySet()) {
            parameters.clear();
            PetStoreComponent connector = new PetStoreComponent(entry.getKey());
            connector.setCamelContext(camelContext);
            try {
                IntrospectionSupport.getProperties(entry.getValue(),
                        parameters, null, false);
                CamelPropertiesHelper.setCamelProperties(camelContext,
                        connector, parameters, false);
                connector.setOptions(parameters);
                if (ObjectHelper.isNotEmpty(customizers)) {
                    for (ConnectorCustomizer<PetStoreComponent> customizer : customizers) {
                        boolean useCustomizer = (customizer instanceof HasId)
                                ? HierarchicalPropertiesEvaluator.evaluate(
                                        applicationContext.getEnvironment(),
                                        "camel.connector.customizer",
                                        "camel.connector.petstore."
                                                + entry.getKey()
                                                + ".customizer",
                                        ((HasId) customizer).getId())
                                : HierarchicalPropertiesEvaluator.evaluate(
                                        applicationContext.getEnvironment(),
                                        "camel.connector.customizer",
                                        "camel.connector.petstore."
                                                + entry.getKey()
                                                + ".customizer");
                        if (useCustomizer) {
                            LOGGER.debug(
                                    "Configure connector {}, with customizer {}",
                                    connector, customizer);
                            customizer.customize(connector);
                        }
                    }
                }
                camelContext.addComponent(entry.getKey(), connector);
            } catch (Exception e) {
                throw new BeanCreationException(entry.getKey(), e.getMessage(),
                        e);
            }
        }
    }
}