| /* |
| * 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.util; |
| |
| import org.springframework.core.env.CompositePropertySource; |
| import org.springframework.core.env.ConfigurableEnvironment; |
| import org.springframework.core.env.EnumerablePropertySource; |
| import org.springframework.core.env.Environment; |
| import org.springframework.core.env.MutablePropertySources; |
| import org.springframework.core.env.PropertySource; |
| import org.springframework.util.ObjectUtils; |
| |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| |
| /** |
| * The utilities class for {@link Environment} |
| * |
| * @see Environment |
| * @since 2.7.0 |
| */ |
| public abstract class EnvironmentUtils { |
| |
| /** |
| * Extras The properties from {@link ConfigurableEnvironment} |
| * |
| * @param environment {@link ConfigurableEnvironment} |
| * @return Read-only Map |
| */ |
| public static Map<String, Object> extractProperties(ConfigurableEnvironment environment) { |
| return Collections.unmodifiableMap(doExtraProperties(environment)); |
| } |
| |
| // /** |
| // * Gets {@link PropertySource} Map , the {@link PropertySource#getName()} as key |
| // * |
| // * @param environment {@link ConfigurableEnvironment} |
| // * @return Read-only Map |
| // */ |
| // public static Map<String, PropertySource<?>> getPropertySources(ConfigurableEnvironment environment) { |
| // return Collections.unmodifiableMap(doGetPropertySources(environment)); |
| // } |
| |
| private static Map<String, Object> doExtraProperties(ConfigurableEnvironment environment) { |
| |
| Map<String, Object> properties = new LinkedHashMap<>(); // orderly |
| |
| Map<String, PropertySource<?>> map = doGetPropertySources(environment); |
| |
| for (PropertySource<?> source : map.values()) { |
| |
| if (source instanceof EnumerablePropertySource) { |
| |
| EnumerablePropertySource propertySource = (EnumerablePropertySource) source; |
| |
| String[] propertyNames = propertySource.getPropertyNames(); |
| |
| if (ObjectUtils.isEmpty(propertyNames)) { |
| continue; |
| } |
| |
| for (String propertyName : propertyNames) { |
| |
| if (!properties.containsKey(propertyName)) { // put If absent |
| properties.put(propertyName, propertySource.getProperty(propertyName)); |
| } |
| |
| } |
| |
| } |
| |
| } |
| |
| return properties; |
| |
| } |
| |
| private static Map<String, PropertySource<?>> doGetPropertySources(ConfigurableEnvironment environment) { |
| Map<String, PropertySource<?>> map = new LinkedHashMap<String, PropertySource<?>>(); |
| MutablePropertySources sources = environment.getPropertySources(); |
| for (PropertySource<?> source : sources) { |
| extract("", map, source); |
| } |
| return map; |
| } |
| |
| private static void extract(String root, Map<String, PropertySource<?>> map, |
| PropertySource<?> source) { |
| if (source instanceof CompositePropertySource) { |
| for (PropertySource<?> nest : ((CompositePropertySource) source) |
| .getPropertySources()) { |
| extract(source.getName() + ":", map, nest); |
| } |
| } else { |
| map.put(root + source.getName(), source); |
| } |
| } |
| |
| } |