| /* |
| * 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.tamaya.core.internal; |
| |
| import org.apache.tamaya.Configuration; |
| import org.apache.tamaya.spi.ConfigurationContext; |
| import org.apache.tamaya.spi.ConfigurationBuilder; |
| import org.apache.tamaya.spi.ConfigurationProviderSpi; |
| import org.osgi.service.component.annotations.Component; |
| |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.logging.Logger; |
| |
| /** |
| * Implementation of the Configuration API. This class uses the current {@link org.apache.tamaya.spi.ConfigurationContext} to evaluate the |
| * chain of {@link org.apache.tamaya.spi.PropertySource} and {@link org.apache.tamaya.spi.PropertyFilter} |
| * instance to evaluate the current Configuration. |
| */ |
| @Component(service = ConfigurationProviderSpi.class) |
| public class CoreConfigurationProvider implements ConfigurationProviderSpi { |
| |
| private static final Logger LOG = Logger.getLogger(CoreConfigurationProvider.class.getName()); |
| |
| private final Map<ClassLoader, Configuration> configurations = new ConcurrentHashMap<>(); |
| |
| public CoreConfigurationProvider(){ |
| Configuration defaultConfig = new CoreConfigurationBuilder() |
| .setClassLoader(getClass().getClassLoader()) |
| .addDefaultPropertyConverters() |
| .addDefaultPropertyFilters() |
| .addDefaultPropertySources() |
| .build(); |
| configurations.put(getClass().getClassLoader(), defaultConfig); |
| String bannerConfig = defaultConfig.getOrDefault("tamaya.banner", "OFF"); |
| BannerManager bm = new BannerManager(bannerConfig); |
| bm.outputBanner(); |
| } |
| |
| |
| |
| @Override |
| public Configuration getConfiguration(ClassLoader classLoader) { |
| return configurations.computeIfAbsent(classLoader, cl -> new CoreConfigurationBuilder() |
| .setClassLoader(classLoader) |
| .addDefaultPropertyConverters() |
| .addDefaultPropertyFilters() |
| .addDefaultPropertySources() |
| .build() |
| ); |
| } |
| |
| @Override |
| public Configuration createConfiguration(ConfigurationContext context) { |
| return new CoreConfiguration(context); |
| } |
| |
| @Override |
| public ConfigurationBuilder getConfigurationBuilder() { |
| return new CoreConfigurationBuilder(); |
| } |
| |
| @Override |
| public void setConfiguration(Configuration config, ClassLoader classLoader) { |
| Objects.requireNonNull(config.getContext()); |
| Configuration old = this.configurations.put(classLoader, Objects.requireNonNull(config)); |
| if(old != null){ |
| LOG.warning(String.format("Replaced config %S with %S for classloader %S", old, config, classLoader)); |
| } |
| } |
| |
| @Override |
| public Configuration releaseConfiguration(ClassLoader classloader) { |
| LOG.info("Releasing config for classloader: " + classloader); |
| return this.configurations.remove(classloader); |
| } |
| |
| @Override |
| public boolean isConfigurationSettable(ClassLoader classLoader) { |
| return true; |
| } |
| |
| } |