org.springframework.boot.context.config.StandardConfigDataLoader Maven / Gradle / Ivy
/*
* Copyright 2012-2021 the original author or authors.
*
* 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
*
* https://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.springframework.boot.context.config;
import java.io.IOException;
import java.util.List;
import org.springframework.boot.context.config.ConfigData.Option;
import org.springframework.boot.context.config.ConfigData.PropertySourceOptions;
import org.springframework.boot.origin.Origin;
import org.springframework.boot.origin.OriginTrackedResource;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.Resource;
/**
* {@link ConfigDataLoader} for {@link Resource} backed locations.
*
* @author Phillip Webb
* @author Madhura Bhave
* @since 2.4.0
*/
public class StandardConfigDataLoader implements ConfigDataLoader {
private static final PropertySourceOptions PROFILE_SPECIFIC = PropertySourceOptions.always(Option.PROFILE_SPECIFIC);
private static final PropertySourceOptions NON_PROFILE_SPECIFIC = PropertySourceOptions.ALWAYS_NONE;
@Override
public ConfigData load(ConfigDataLoaderContext context, StandardConfigDataResource resource)
throws IOException, ConfigDataNotFoundException {
if (resource.isEmptyDirectory()) {
return ConfigData.EMPTY;
}
ConfigDataResourceNotFoundException.throwIfDoesNotExist(resource, resource.getResource());
StandardConfigDataReference reference = resource.getReference();
Resource originTrackedResource = OriginTrackedResource.of(resource.getResource(),
Origin.from(reference.getConfigDataLocation()));
String name = String.format("Config resource '%s' via location '%s'", resource,
reference.getConfigDataLocation());
List> propertySources = reference.getPropertySourceLoader().load(name, originTrackedResource);
PropertySourceOptions options = (resource.getProfile() != null) ? PROFILE_SPECIFIC : NON_PROFILE_SPECIFIC;
return new ConfigData(propertySources, options);
}
}