spring ConditionalOnJndi 源码
springboot ConditionalOnJndi 代码
文件路径：/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/ConditionalOnJndi.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.autoconfigure.condition;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import javax.naming.InitialContext;
import org.springframework.context.annotation.Conditional;
/**
* {@link Conditional @Conditional} that matches based on the availability of a JNDI
* {@link InitialContext} and the ability to lookup specific locations.
*
* @author Phillip Webb
* @since 1.2.0
*/
@Target({ ElementType.TYPE, ElementType.METHOD })
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Conditional(OnJndiCondition.class)
public @interface ConditionalOnJndi {
/**
* JNDI Locations, one of which must exist. If no locations are specific the condition
* matches solely based on the presence of an {@link InitialContext}.
* @return the JNDI locations
*/
String[] value() default {};
}
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- 本文标签： Java Spring Spring Boot
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