content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * 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.
   */
  package com.alibaba.csp.sentinel.adapter.dubbo;
  
  import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DefaultDubboFallback;
  import com.alibaba.csp.sentinel.adapter.dubbo.fallback.DubboFallback;
  import com.alibaba.csp.sentinel.adapter.dubbo.origin.DefaultDubboOriginParser;
  import com.alibaba.csp.sentinel.adapter.dubbo.origin.DubboOriginParser;
  import com.alibaba.csp.sentinel.config.SentinelConfig;
  import com.alibaba.csp.sentinel.util.AssertUtil;
  import com.alibaba.csp.sentinel.util.StringUtil;
  
  /**
   * <p>Global config and callback registry of Dubbo legacy adapter.</p>
   *
   * @author lianglin
   * @author Eric Zhao
   * @since 1.7.0
   */
  public final class DubboAdapterGlobalConfig {
  
      private static final String TRUE_STR = "true";
  
      public static final String DUBBO_RES_NAME_WITH_PREFIX_KEY = "csp.sentinel.dubbo.resource.use.prefix";
      public static final String DUBBO_PROVIDER_RES_NAME_PREFIX_KEY = "csp.sentinel.dubbo.resource.provider.prefix";
      public static final String DUBBO_CONSUMER_RES_NAME_PREFIX_KEY = "csp.sentinel.dubbo.resource.consumer.prefix";
  
      private static final String DEFAULT_DUBBO_PROVIDER_PREFIX = "dubbo:provider:";
      private static final String DEFAULT_DUBBO_CONSUMER_PREFIX = "dubbo:consumer:";
  
      private static volatile DubboFallback consumerFallback = new DefaultDubboFallback();
      private static volatile DubboFallback providerFallback = new DefaultDubboFallback();
      private static volatile DubboOriginParser originParser = new DefaultDubboOriginParser();
  
      public static boolean isUsePrefix() {
          return TRUE_STR.equalsIgnoreCase(SentinelConfig.getConfig(DUBBO_RES_NAME_WITH_PREFIX_KEY));
      }
  
      public static String getDubboProviderPrefix() {
          if (isUsePrefix()) {
              String config = SentinelConfig.getConfig(DUBBO_PROVIDER_RES_NAME_PREFIX_KEY);
              return StringUtil.isNotBlank(config) ? config : DEFAULT_DUBBO_PROVIDER_PREFIX;
          }
          return null;
      }
  
      public static String getDubboConsumerPrefix() {
          if (isUsePrefix()) {
              String config = SentinelConfig.getConfig(DUBBO_CONSUMER_RES_NAME_PREFIX_KEY);
              return StringUtil.isNotBlank(config) ? config : DEFAULT_DUBBO_CONSUMER_PREFIX;
          }
          return null;
      }
  
      public static DubboFallback getConsumerFallback() {
          return consumerFallback;
      }
  
      public static void setConsumerFallback(DubboFallback consumerFallback) {
          AssertUtil.notNull(consumerFallback, "consumerFallback cannot be null");
          DubboAdapterGlobalConfig.consumerFallback = consumerFallback;
      }
  
      public static DubboFallback getProviderFallback() {
          return providerFallback;
      }
  
      public static void setProviderFallback(DubboFallback providerFallback) {
          AssertUtil.notNull(providerFallback, "providerFallback cannot be null");
          DubboAdapterGlobalConfig.providerFallback = providerFallback;
      }
  
      /**
       * Get the origin parser of Dubbo adapter.
       *
       * @return the origin parser
       * @since 1.8.0
       */
      public static DubboOriginParser getOriginParser() {
          return originParser;
      }
  
      /**
       * Set the origin parser of Dubbo adapter.
       *
       * @param originParser the origin parser
       * @since 1.8.0
       */
      public static void setOriginParser(DubboOriginParser originParser) {
          AssertUtil.notNull(originParser, "originParser cannot be null");
          DubboAdapterGlobalConfig.originParser = originParser;
      }
  
      private DubboAdapterGlobalConfig() {}
  }
  