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.nacos.api.config;
  
  import com.alibaba.nacos.api.utils.StringUtils;
  
  import java.util.HashMap;
  import java.util.Map;
  
  /**
   * Config data type.
   *
   * @author liaochuntao
   **/
  public enum ConfigType {
      
      /**
       * config type is "properties".
       */
      PROPERTIES("properties"),
      
      /**
       * config type is "xml".
       */
      XML("xml"),
      
      /**
       * config type is "json".
       */
      JSON("json"),
      
      /**
       * config type is "text".
       */
      TEXT("text"),
      
      /**
       * config type is "html".
       */
      HTML("html"),
      
      /**
       * config type is "yaml".
       */
      YAML("yaml"),
      
      /**
       * config type is "toml".
       */
      TOML("toml"),
      
      /**
       * not a real type.
       */
      UNSET("unset");
      
      private final String type;
      
      private static final Map<String, ConfigType> LOCAL_MAP = new HashMap<>();
      
      static {
          for (ConfigType configType : values()) {
              LOCAL_MAP.put(configType.getType(), configType);
          }
      }
      
      ConfigType(String type) {
          this.type = type;
      }
      
      public String getType() {
          return type;
      }
      
      public static ConfigType getDefaultType() {
          return TEXT;
      }
      
      /**
       * check input type is valid.
       *
       * @param type config type
       * @return it the type valid
       */
      public static Boolean isValidType(String type) {
          if (StringUtils.isBlank(type)) {
              return false;
          }
          return null != LOCAL_MAP.get(type);
      }
  }
  