content: /*
   * Copyright 2013-2023 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.
   */
  
  package com.alibaba.cloud.sentinel.custom;
  
  import java.lang.reflect.Method;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  
  import com.alibaba.csp.sentinel.util.StringUtil;
  
  /**
   * @author fangjian
   */
  final class BlockClassRegistry {
  
  	private BlockClassRegistry() {
  
  	}
  
  	private static final Map<String, Method> FALLBACK_MAP = new ConcurrentHashMap<>();
  
  	private static final Map<String, Method> BLOCK_HANDLER_MAP = new ConcurrentHashMap<>();
  
  	private static final Map<String, Method> URL_CLEANER_MAP = new ConcurrentHashMap<>();
  
  	static Method lookupFallback(Class<?> clazz, String name) {
  		return FALLBACK_MAP.get(getKey(clazz, name));
  	}
  
  	static Method lookupBlockHandler(Class<?> clazz, String name) {
  		return BLOCK_HANDLER_MAP.get(getKey(clazz, name));
  	}
  
  	static Method lookupUrlCleaner(Class<?> clazz, String name) {
  		return URL_CLEANER_MAP.get(getKey(clazz, name));
  	}
  
  	static void updateFallbackFor(Class<?> clazz, String name, Method method) {
  		if (clazz == null || StringUtil.isBlank(name)) {
  			throw new IllegalArgumentException("Bad argument");
  		}
  		FALLBACK_MAP.put(getKey(clazz, name), method);
  	}
  
  	static void updateBlockHandlerFor(Class<?> clazz, String name, Method method) {
  		if (clazz == null || StringUtil.isBlank(name)) {
  			throw new IllegalArgumentException("Bad argument");
  		}
  		BLOCK_HANDLER_MAP.put(getKey(clazz, name), method);
  	}
  
  	static void updateUrlCleanerFor(Class<?> clazz, String name, Method method) {
  		if (clazz == null || StringUtil.isBlank(name)) {
  			throw new IllegalArgumentException("Bad argument");
  		}
  		URL_CLEANER_MAP.put(getKey(clazz, name), method);
  	}
  
  	private static String getKey(Class<?> clazz, String name) {
  		return String.format("%s:%s", clazz.getCanonicalName(), name);
  	}
  
  }
  