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>@Value("${local.server.port}")</code>. 031 * 032 * @author Anand Shah 033 * @author Stephane Nicoll 034 * @since 2.0.0 035 */ 036@Target({ ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER, 037 ElementType.ANNOTATION_TYPE }) 038@Retention(RetentionPolicy.RUNTIME) 039@Documented 040@Value("${local.server.port}") 041public @interface LocalServerPort { 042 043}