content: package act.apidoc;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2017 ActFramework
   * %%
   * 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.
   * #L%
   */
  
  import act.db.DbBind;
  import com.alibaba.fastjson.JSONArray;
  import com.alibaba.fastjson.JSONObject;
  import org.joda.time.ReadableInstant;
  import org.osgl.inject.BeanSpec;
  
  import java.lang.reflect.Type;
  import java.util.Collection;
  import java.util.Date;
  import java.util.List;
  import java.util.Map;
  
  class BeanSpecInterpreter {
      String interpret(BeanSpec beanSpec) {
          if (beanSpec.hasAnnotation(DbBind.class)) {
              return "String";
          }
          Class<?> rawType = beanSpec.rawType();
          if (Collection.class.isAssignableFrom(rawType)) {
              List<Type> types = beanSpec.typeParams();
              if (types.size() > 0) {
                  return interpret(BeanSpec.of(types.get(0), null, beanSpec.injector())) + "[]";
              }
              return "any[]";
          }
          if (Map.class.isAssignableFrom(rawType)) {
              List<Type> types = beanSpec.typeParams();
              if (types.size() > 1) {
                  Type key = types.get(0);
                  Type val = types.get(1);
                  String keyStr = interpret(BeanSpec.of(key, null, beanSpec.injector()));
                  String valStr = interpret(BeanSpec.of(val, null, beanSpec.injector()));
                  if ("String".equals(keyStr) && "Object".equals(valStr)) {
                      return "js object";
                  }
                  return "map of (" + keyStr + ", " + valStr + ")";
              }
          }
          if (JSONObject.class.isAssignableFrom(rawType)) {
              return "JSON object";
          }
          if (JSONArray.class.isAssignableFrom(rawType)) {
              return "JSON array";
          }
          if (Number.class.isAssignableFrom(rawType)) {
              return "number";
          }
          if (Date.class.isAssignableFrom(rawType)) {
              return "datetime";
          }
          if (ReadableInstant.class.isAssignableFrom(rawType)) {
              return "datetime";
          }
          if (rawType.getName().contains("ObjectId")) {
              return "id (String)";
          }
          return rawType.getSimpleName();
      }
  }
  