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/*
* ================================================================================
* Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*
*/
package org.onap.dcae.analytics.web.spring;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.onap.dcae.analytics.model.AnalyticsProfile;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.env.EnvironmentPostProcessor;
import org.springframework.core.Ordered;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.MapPropertySource;
import org.springframework.core.env.MutablePropertySources;
import org.springframework.core.env.PropertySource;
/**
* Disables mongo auto configuration if {@link AnalyticsProfile#MONGO_PROFILE_NAME} is not present
*
* @author Rajiv Singla
*/
public class MongoAutoConfigurationPostProcessor implements EnvironmentPostProcessor, Ordered {
private static final Logger logger = LoggerFactory.getLogger(MongoAutoConfigurationPostProcessor.class);
private static final String PROPERTY_SOURCE_NAME = "defaultProperties";
private static final String SPRING_AUTO_CONFIG_EXCLUDE_PROPERTY_KEY = "spring.autoconfigure.exclude";
private static final List<String> MONGO_AUTO_CONFIG_PROPERTIES = Arrays.asList(
"org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration",
"org.springframework.boot.autoconfigure.data.mongo.MongoDataAutoConfiguration",
"org.springframework.boot.autoconfigure.data.mongo.MongoRepositoriesAutoConfiguration");
@Override
public void postProcessEnvironment(final ConfigurableEnvironment environment, final SpringApplication application) {
final boolean isMongoProfileActive = Arrays.stream(environment.getActiveProfiles())
.anyMatch(profile -> profile.equalsIgnoreCase(AnalyticsProfile.MONGO_PROFILE_NAME));
// if mongo profile is not active disable mongo auto configuration
if (!isMongoProfileActive) {
logger.info("Mongo Profile is not active - disabling Mongo Auto Configuration");
final Map<String, Object> mongoExcludePropsMap = new HashMap<>();
mongoExcludePropsMap.put(SPRING_AUTO_CONFIG_EXCLUDE_PROPERTY_KEY, MONGO_AUTO_CONFIG_PROPERTIES);
addMongoPropertiesIfAbsent(environment.getPropertySources(), mongoExcludePropsMap);
}
}
private void addMongoPropertiesIfAbsent(final MutablePropertySources propertySources,
final Map<String, Object> mongoPropertiesMap) {
MapPropertySource target = null;
if (propertySources.contains(PROPERTY_SOURCE_NAME)) {
PropertySource<?> source = propertySources.get(PROPERTY_SOURCE_NAME);
if (source instanceof MapPropertySource) {
target = (MapPropertySource) source;
for (final Map.Entry<String, Object> entry : mongoPropertiesMap.entrySet()) {
if (!target.containsProperty(entry.getKey())) {
target.getSource().putIfAbsent(entry.getKey(), entry.getValue());
}
}
}
}
if (target == null) {
target = new MapPropertySource(PROPERTY_SOURCE_NAME, mongoPropertiesMap);
}
if (!propertySources.contains(PROPERTY_SOURCE_NAME)) {
propertySources.addLast(target);
}
}
@Override
public int getOrder() {
return Ordered.LOWEST_PRECEDENCE;
}
}
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