org.springframework.core.env.PropertyResolverExtensions.kt Maven / Gradle / Ivy
/*
* Copyright 2002-2019 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.
*/
@file:Suppress("EXTENSION_SHADOWED_BY_MEMBER")
package org.springframework.core.env
/**
* Extension for [PropertyResolver.getProperty] providing Array like getter returning a
* nullable [String].
*
* ```kotlin
* val name = env["name"] ?: "Seb"
* ```
*
* @author Sebastien Deleuze
* @since 5.0
*/
operator fun PropertyResolver.get(key: String) : String? = getProperty(key)
/**
* Extension for [PropertyResolver.getProperty] providing a `getProperty(...)`
* variant returning a nullable `Foo`.
*
* @author Sebastien Deleuze
* @since 5.1
*/
inline fun PropertyResolver.getProperty(key: String) : T? =
getProperty(key, T::class.java)
/**
* Extension for [PropertyResolver.getRequiredProperty] providing a
* `getRequiredProperty(...)` variant.
*
* @author Sebastien Deleuze
* @since 5.1
*/
inline fun PropertyResolver.getRequiredProperty(key: String) : T =
getRequiredProperty(key, T::class.java)