org.springframework.boot.env.ReflectionEnvironmentPostProcessorsFactory Maven / Gradle / Ivy
/*
* Copyright 2012-2020 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.env;
import java.util.Arrays;
import java.util.List;
import org.apache.commons.logging.Log;
import org.springframework.boot.BootstrapContext;
import org.springframework.boot.BootstrapRegistry;
import org.springframework.boot.ConfigurableBootstrapContext;
import org.springframework.boot.logging.DeferredLogFactory;
import org.springframework.boot.util.Instantiator;
/**
* {@link EnvironmentPostProcessorsFactory} implementation that uses reflection to create
* instances.
*
* @author Phillip Webb
*/
class ReflectionEnvironmentPostProcessorsFactory implements EnvironmentPostProcessorsFactory {
private final List classNames;
ReflectionEnvironmentPostProcessorsFactory(Class... classes) {
this(Arrays.stream(classes).map(Class::getName).toArray(String[]::new));
}
ReflectionEnvironmentPostProcessorsFactory(String... classNames) {
this(Arrays.asList(classNames));
}
ReflectionEnvironmentPostProcessorsFactory(List classNames) {
this.classNames = classNames;
}
@Override
public List getEnvironmentPostProcessors(DeferredLogFactory logFactory,
ConfigurableBootstrapContext bootstrapContext) {
Instantiator instantiator = new Instantiator<>(EnvironmentPostProcessor.class,
(parameters) -> {
parameters.add(DeferredLogFactory.class, logFactory);
parameters.add(Log.class, logFactory::getLog);
parameters.add(ConfigurableBootstrapContext.class, bootstrapContext);
parameters.add(BootstrapContext.class, bootstrapContext);
parameters.add(BootstrapRegistry.class, bootstrapContext);
});
return instantiator.instantiate(this.classNames);
}
}