content: package act.view;
  
  /*-
   * #%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.app.ActionContext;
  import act.mail.MailerContext;
  
  import java.lang.annotation.ElementType;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.lang.annotation.Target;
  
  /**
   * A Template represents a resource that can be merged with {@link ActionContext application context}
   * and output the result
   */
  public interface Template {
  
      /**
       * Notify framework not to cache template for this handler method.
       *
       * If developer can change template path in the logic of handler method,
       * caching template could cause trouble (i.e. it uses the template of first run).
       * In this case developer must annotate the handler method with `@Template.NoCache`
       * annotation
       */
      @Retention(RetentionPolicy.RUNTIME)
      @Target(ElementType.METHOD)
      @interface NoCache {
      }
  
      void merge(ActionContext context);
  
      String render(ActionContext context);
  
      String render(MailerContext context);
  
      boolean supportCache();
  
  }
  