content: package act.controller.meta;
  
  /*-
   * #%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 org.osgl.mvc.annotation.After;
  import org.osgl.mvc.annotation.Before;
  import org.osgl.mvc.annotation.Catch;
  import org.osgl.mvc.annotation.Finally;
  import org.osgl.util.C;
  import org.osgl.util.E;
  
  import java.lang.annotation.Annotation;
  import java.util.Map;
  
  public enum InterceptorType {
      BEFORE() {
          @Override
          void addToGroup(InterceptorMethodMetaInfo info, GroupInterceptorMetaInfo group) {
              group.addBefore(info);
          }
      }, AFTER() {
          @Override
          void addToGroup(InterceptorMethodMetaInfo info, GroupInterceptorMetaInfo group) {
              group.addAfter(info);
          }
      }, CATCH() {
          @Override
          void addToGroup(InterceptorMethodMetaInfo info, GroupInterceptorMetaInfo group) {
              group.addCatch((CatchMethodMetaInfo) info);
          }
  
          @Override
          public InterceptorMethodMetaInfo createMetaInfo(ControllerClassMetaInfo clsInfo) {
              return new CatchMethodMetaInfo(clsInfo);
          }
      }, FINALLY() {
          @Override
          void addToGroup(InterceptorMethodMetaInfo info, GroupInterceptorMetaInfo group) {
              group.addFinally(info);
          }
      };
  
      abstract void addToGroup(InterceptorMethodMetaInfo info, GroupInterceptorMetaInfo group);
  
      public InterceptorMethodMetaInfo createMetaInfo(ControllerClassMetaInfo clsInfo) {
          return new InterceptorMethodMetaInfo(clsInfo);
      }
  
      private static Map<Class<? extends Annotation>, InterceptorType> map = C.Map(
              Before.class, BEFORE, After.class, AFTER,
              Catch.class, CATCH, Finally.class, FINALLY);
  
      public static InterceptorType of(Class<? extends Annotation> clz) {
          InterceptorType type = map.get(clz);
          E.illegalArgumentIf(null == type, "Not an interceptor annotation: %s", clz);
          return type;
      }
  }
  