/*
 * 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
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package org.springframework.boot.context.properties.bind;

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;

Annotation that can be used to specify the default value when binding to an immutable property. This annotation can also be used with nested properties to indicate that a value should always be bound (rather than binding null).
Author:Madhura Bhave
Since:2.2.0
/** * Annotation that can be used to specify the default value when binding to an immutable * property. This annotation can also be used with nested properties to indicate that a * value should always be bound (rather than binding {@code null}). * * @author Madhura Bhave * @since 2.2.0 */
@Retention(RetentionPolicy.RUNTIME) @Target({ ElementType.PARAMETER }) @Documented public @interface DefaultValue {
The default value of the property. Can be an array of values for collection or array-based properties.
Returns:the default value of the property.
/** * The default value of the property. Can be an array of values for collection or * array-based properties. * @return the default value of the property. */
String[] value() default {}; }