spring PropertySourceOrigin 源码
springboot PropertySourceOrigin 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/origin/PropertySourceOrigin.java
/*
* Copyright 2012-2019 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.origin;
import org.springframework.core.env.PropertySource;
import org.springframework.util.Assert;
/**
* {@link Origin} from a {@link PropertySource}.
*
* @author Phillip Webb
* @since 2.0.0
*/
public class PropertySourceOrigin implements Origin {
private final PropertySource<?> propertySource;
private final String propertyName;
/**
* Create a new {@link PropertySourceOrigin} instance.
* @param propertySource the property source
* @param propertyName the name from the property source
*/
public PropertySourceOrigin(PropertySource<?> propertySource, String propertyName) {
Assert.notNull(propertySource, "PropertySource must not be null");
Assert.hasLength(propertyName, "PropertyName must not be empty");
this.propertySource = propertySource;
this.propertyName = propertyName;
}
/**
* Return the origin {@link PropertySource}.
* @return the origin property source
*/
public PropertySource<?> getPropertySource() {
return this.propertySource;
}
/**
* Return the property name that was used when obtaining the original value from the
* {@link #getPropertySource() property source}.
* @return the origin property name
*/
public String getPropertyName() {
return this.propertyName;
}
@Override
public String toString() {
return "\"" + this.propertyName + "\" from property source \"" + this.propertySource.getName() + "\"";
}
/**
* Get an {@link Origin} for the given {@link PropertySource} and
* {@code propertyName}. Will either return an {@link OriginLookup} result or a
* {@link PropertySourceOrigin}.
* @param propertySource the origin property source
* @param name the property name
* @return the property origin
*/
public static Origin get(PropertySource<?> propertySource, String name) {
Origin origin = OriginLookup.getOrigin(propertySource, name);
return (origin != null) ? origin : new PropertySourceOrigin(propertySource, name);
}
}
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- 所属分类： 后端技术
- 本文标签： Spring Boot Java Spring
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