001/*
002 * Copyright 2012-2017 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.boot.web.server;
018
019import java.lang.annotation.Documented;
020import java.lang.annotation.ElementType;
021import java.lang.annotation.Retention;
022import java.lang.annotation.RetentionPolicy;
023import java.lang.annotation.Target;
024
025import org.springframework.beans.factory.annotation.Value;
026
027/**
028 * Annotation at the field or method/constructor parameter level that injects the HTTP
029 * port that got allocated at runtime. Provides a convenient alternative for
030 * <code>&#064;Value(&quot;${local.server.port}&quot;)</code>.
031 *
032 * @author Anand Shah
033 * @author Stephane Nicoll
034 * @since 2.0.0
035 */
036@Target({ ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER,
037                ElementType.ANNOTATION_TYPE })
038@Retention(RetentionPolicy.RUNTIME)
039@Documented
040@Value("${local.server.port}")
041public @interface LocalServerPort {
042
043}