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[SCB-2786]remove EnableServiceComb annotation (#3975)
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core/src/main/java/org/apache/servicecomb/core/ConfigurationSpringBootInitializer.java
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| /* | ||
| * 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.servicecomb.core; | ||
|
|
||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
|
|
||
| import org.apache.servicecomb.config.ConfigMapping; | ||
| import org.apache.servicecomb.config.YAMLUtil; | ||
| import org.apache.servicecomb.config.file.MicroserviceConfigLoader; | ||
| import org.apache.servicecomb.foundation.bootstrap.BootStrapService; | ||
| import org.apache.servicecomb.foundation.common.utils.SPIServiceUtils; | ||
| import org.springframework.boot.SpringApplication; | ||
| import org.springframework.boot.env.EnvironmentPostProcessor; | ||
| import org.springframework.context.annotation.Conditional; | ||
| import org.springframework.core.env.ConfigurableEnvironment; | ||
| import org.springframework.core.env.EnumerablePropertySource; | ||
| import org.springframework.core.env.Environment; | ||
| import org.springframework.core.env.MapPropertySource; | ||
| import org.springframework.core.env.MutablePropertySources; | ||
|
|
||
| /** | ||
| * Add microservice.yaml to Environment earlier<br> | ||
| * to affect {@link Conditional}<br> | ||
| */ | ||
| public class ConfigurationSpringBootInitializer implements EnvironmentPostProcessor { | ||
| public static final String MICROSERVICE_PROPERTY_SOURCE_NAME = "microservice.yaml"; | ||
|
|
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| public static final String MAPPING_PROPERTY_SOURCE_NAME = "mapping.yaml"; | ||
|
|
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| private final List<BootStrapService> bootStrapServices = SPIServiceUtils.getSortedService(BootStrapService.class); | ||
|
|
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| @Override | ||
| public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) { | ||
| addMicroserviceDefinitions(environment); | ||
| startupBootStrapService(environment); | ||
| } | ||
|
|
||
| public static void addMicroserviceDefinitions(Environment environment) { | ||
| addMicroserviceYAMLToSpring(environment); | ||
| addMappingToSpring(environment); | ||
| } | ||
|
|
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| private void startupBootStrapService(Environment environment) { | ||
| bootStrapServices.forEach(bootStrapService -> bootStrapService.startup(environment)); | ||
| } | ||
|
|
||
| /** | ||
| * make springboot have a change to add microservice.yaml source earlier<br> | ||
| * to affect {@link Conditional} | ||
| * @param environment environment | ||
| */ | ||
| private static void addMicroserviceYAMLToSpring(Environment environment) { | ||
| if (!(environment instanceof ConfigurableEnvironment)) { | ||
| return; | ||
| } | ||
|
|
||
| MutablePropertySources propertySources = ((ConfigurableEnvironment) environment).getPropertySources(); | ||
| if (propertySources.contains(MICROSERVICE_PROPERTY_SOURCE_NAME)) { | ||
| return; | ||
| } | ||
|
|
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| propertySources.addLast(new EnumerablePropertySource<MicroserviceConfigLoader>(MICROSERVICE_PROPERTY_SOURCE_NAME) { | ||
| private final Map<String, Object> values = new HashMap<>(); | ||
|
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| private final String[] propertyNames; | ||
|
|
||
| { | ||
| MicroserviceConfigLoader loader = new MicroserviceConfigLoader(); | ||
| loader.loadAndSort(); | ||
|
|
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| loader.getConfigModels() | ||
| .forEach(configModel -> values.putAll(YAMLUtil.retrieveItems("", configModel.getConfig()))); | ||
|
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| propertyNames = values.keySet().toArray(new String[0]); | ||
| } | ||
|
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| @Override | ||
| public String[] getPropertyNames() { | ||
| return propertyNames; | ||
| } | ||
|
|
||
| @SuppressWarnings("unchecked") | ||
| @Override | ||
| public Object getProperty(String name) { | ||
| Object value = this.values.get(name); | ||
|
|
||
| // spring will not resolve nested placeholder of list, so try to fix the problem | ||
| if (value instanceof List) { | ||
| value = ((List<Object>) value).stream() | ||
| .filter(item -> item instanceof String) | ||
| .map(item -> environment.resolvePlaceholders((String) item)) | ||
| .collect(Collectors.toList()); | ||
| } | ||
| return value; | ||
| } | ||
| }); | ||
| } | ||
|
|
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| private static void addMappingToSpring(Environment environment) { | ||
| if (!(environment instanceof ConfigurableEnvironment)) { | ||
| return; | ||
| } | ||
|
|
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| MutablePropertySources propertySources = ((ConfigurableEnvironment) environment).getPropertySources(); | ||
| if (propertySources.contains(MAPPING_PROPERTY_SOURCE_NAME)) { | ||
| return; | ||
| } | ||
|
|
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| Map<String, Object> mappings = ConfigMapping.getConvertedMap(environment); | ||
| propertySources.addFirst(new MapPropertySource(MAPPING_PROPERTY_SOURCE_NAME, mappings)); | ||
| } | ||
| } |
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