spring OriginTrackedMapPropertySource 源码
springboot OriginTrackedMapPropertySource 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/env/OriginTrackedMapPropertySource.java
/*
* Copyright 2012-2022 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.boot.env;
import java.util.Map;
import org.springframework.boot.origin.Origin;
import org.springframework.boot.origin.OriginLookup;
import org.springframework.boot.origin.OriginTrackedValue;
import org.springframework.core.env.MapPropertySource;
/**
* {@link OriginLookup} backed by a {@link Map} containing {@link OriginTrackedValue
* OriginTrackedValues}.
*
* @author Madhura Bhave
* @author Phillip Webb
* @since 2.0.0
* @see OriginTrackedValue
*/
public final class OriginTrackedMapPropertySource extends MapPropertySource implements OriginLookup<String> {
private final boolean immutable;
/**
* Create a new {@link OriginTrackedMapPropertySource} instance.
* @param name the property source name
* @param source the underlying map source
*/
@SuppressWarnings("rawtypes")
public OriginTrackedMapPropertySource(String name, Map source) {
this(name, source, false);
}
/**
* Create a new {@link OriginTrackedMapPropertySource} instance.
* @param name the property source name
* @param source the underlying map source
* @param immutable if the underlying source is immutable and guaranteed not to change
* @since 2.2.0
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public OriginTrackedMapPropertySource(String name, Map source, boolean immutable) {
super(name, source);
this.immutable = immutable;
}
@Override
public Object getProperty(String name) {
Object value = super.getProperty(name);
if (value instanceof OriginTrackedValue originTrackedValue) {
return originTrackedValue.getValue();
}
return value;
}
@Override
public Origin getOrigin(String name) {
Object value = super.getProperty(name);
if (value instanceof OriginTrackedValue originTrackedValue) {
return originTrackedValue.getOrigin();
}
return null;
}
@Override
public boolean isImmutable() {
return this.immutable;
}
}
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- 本文标签： Spring Boot Spring Java
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