| /* |
| * 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.apache.dubbo.spring.boot.context.event; |
| |
| import org.apache.dubbo.common.utils.ConfigUtils; |
| import org.apache.dubbo.config.AbstractConfig; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent; |
| import org.springframework.context.ApplicationListener; |
| import org.springframework.core.annotation.Order; |
| import org.springframework.core.env.ConfigurableEnvironment; |
| import org.springframework.core.env.Environment; |
| |
| import java.util.SortedMap; |
| |
| import static org.apache.dubbo.spring.boot.util.DubboUtils.DEFAULT_OVERRIDE_CONFIG_PROPERTY_VALUE; |
| import static org.apache.dubbo.spring.boot.util.DubboUtils.OVERRIDE_CONFIG_FULL_PROPERTY_NAME; |
| import static org.apache.dubbo.spring.boot.util.DubboUtils.filterDubboProperties; |
| |
| /** |
| * {@link ApplicationListener} to override the dubbo properties from {@link Environment}into |
| * {@link ConfigUtils#getProperties() Dubbo Config}. |
| * {@link AbstractConfig Dubbo Config} on {@link ApplicationEnvironmentPreparedEvent}. |
| * <p> |
| * |
| * @see ConfigUtils |
| * @since 2.7.0 |
| */ |
| @Order // LOWEST_PRECEDENCE Make sure last execution |
| public class OverrideDubboConfigApplicationListener implements ApplicationListener<ApplicationEnvironmentPreparedEvent> { |
| |
| @Override |
| public void onApplicationEvent(ApplicationEnvironmentPreparedEvent event) { |
| |
| /** |
| * Gets Logger After LoggingSystem configuration ready |
| * @see LoggingApplicationListener |
| */ |
| final Logger logger = LoggerFactory.getLogger(getClass()); |
| |
| ConfigurableEnvironment environment = event.getEnvironment(); |
| |
| boolean override = environment.getProperty(OVERRIDE_CONFIG_FULL_PROPERTY_NAME, boolean.class, |
| DEFAULT_OVERRIDE_CONFIG_PROPERTY_VALUE); |
| |
| if (override) { |
| |
| SortedMap<String, Object> dubboProperties = filterDubboProperties(environment); |
| |
| ConfigUtils.getProperties().putAll(dubboProperties); |
| |
| if (logger.isInfoEnabled()) { |
| logger.info("Dubbo Config was overridden by externalized configuration {}", dubboProperties); |
| } |
| } else { |
| if (logger.isInfoEnabled()) { |
| logger.info("Disable override Dubbo Config caused by property {} = {}", OVERRIDE_CONFIG_FULL_PROPERTY_NAME, override); |
| } |
| } |
| |
| } |
| |
| } |