Here you can find the source of addClassMapping(String className, Class> clazz)
public static void addClassMapping(String className, Class<?> clazz)
//package com.java2s; /*/* w ww . j a v a 2 s. c o m*/ * Copyright 1999-2101 Alibaba Group. * * 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 * * http://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. */ import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentMap; public class Main { private static ConcurrentMap<String, Class<?>> mappings = new ConcurrentHashMap<String, Class<?>>(); public static void addClassMapping(String className, Class<?> clazz) { if (className == null) { className = clazz.getName(); } mappings.put(className, clazz); } }