001/* 002 * Copyright 2002-2019 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 * https://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.web.servlet.mvc.method; 018 019import org.springframework.web.method.HandlerMethod; 020import org.springframework.web.servlet.handler.HandlerMethodMappingNamingStrategy; 021 022/** 023 * A {@link org.springframework.web.servlet.handler.HandlerMethodMappingNamingStrategy 024 * HandlerMethodMappingNamingStrategy} for {@code RequestMappingInfo}-based handler 025 * method mappings. 026 * 027 * If the {@code RequestMappingInfo} name attribute is set, its value is used. 028 * Otherwise the name is based on the capital letters of the class name, 029 * followed by "#" as a separator, and the method name. For example "TC#getFoo" 030 * for a class named TestController with method getFoo. 031 * 032 * @author Rossen Stoyanchev 033 * @since 4.1 034 */ 035public class RequestMappingInfoHandlerMethodMappingNamingStrategy 036 implements HandlerMethodMappingNamingStrategy<RequestMappingInfo> { 037 038 /** Separator between the type and method-level parts of a HandlerMethod mapping name */ 039 public static final String SEPARATOR = "#"; 040 041 042 @Override 043 public String getName(HandlerMethod handlerMethod, RequestMappingInfo mapping) { 044 if (mapping.getName() != null) { 045 return mapping.getName(); 046 } 047 StringBuilder sb = new StringBuilder(); 048 String simpleTypeName = handlerMethod.getBeanType().getSimpleName(); 049 for (int i = 0; i < simpleTypeName.length(); i++) { 050 if (Character.isUpperCase(simpleTypeName.charAt(i))) { 051 sb.append(simpleTypeName.charAt(i)); 052 } 053 } 054 sb.append(SEPARATOR).append(handlerMethod.getMethod().getName()); 055 return sb.toString(); 056 } 057 058}