org.springframework.context.annotation.PropertySourceRegistry Maven / Gradle / Ivy
/*
* Copyright 2002-2022 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.context.annotation;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.io.support.PropertySourceDescriptor;
import org.springframework.core.io.support.PropertySourceFactory;
import org.springframework.core.io.support.PropertySourceProcessor;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
/**
* Registry of {@link PropertySource} processed on configuration classes.
*
* @author Stephane Nicoll
* @since 6.0
* @see PropertySourceDescriptor
*/
class PropertySourceRegistry {
private final PropertySourceProcessor propertySourceProcessor;
private final List descriptors;
public PropertySourceRegistry(PropertySourceProcessor propertySourceProcessor) {
this.propertySourceProcessor = propertySourceProcessor;
this.descriptors = new ArrayList<>();
}
public List getDescriptors() {
return Collections.unmodifiableList(this.descriptors);
}
/**
* Process the given @PropertySource annotation metadata.
* @param propertySource metadata for the @PropertySource annotation found
* @throws IOException if loading a property source failed
*/
void processPropertySource(AnnotationAttributes propertySource) throws IOException {
String name = propertySource.getString("name");
if (!StringUtils.hasLength(name)) {
name = null;
}
String encoding = propertySource.getString("encoding");
if (!StringUtils.hasLength(encoding)) {
encoding = null;
}
String[] locations = propertySource.getStringArray("value");
Assert.isTrue(locations.length > 0, "At least one @PropertySource(value) location is required");
boolean ignoreResourceNotFound = propertySource.getBoolean("ignoreResourceNotFound");
Class factoryClass = propertySource.getClass("factory");
Class factorClassToUse =
(factoryClass != PropertySourceFactory.class ? factoryClass : null);
PropertySourceDescriptor descriptor = new PropertySourceDescriptor(Arrays.asList(locations), ignoreResourceNotFound, name,
factorClassToUse, encoding);
this.propertySourceProcessor.processPropertySource(descriptor);
this.descriptors.add(descriptor);
}
}