content: package act.inject.util;
  
  /*-
   * #%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.data.annotation.ParamBindingAnnotation;
  import org.osgl.inject.annotation.InjectTag;
  import org.osgl.inject.annotation.LoadValue;
  
  import java.lang.annotation.ElementType;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  import java.lang.annotation.Target;
  
  /**
   * The annotation specify a field or parameter should be a config file
   * that is loaded from path specified.
   *
   * The difference between `@LoadConfig` and `@LoadResource` is
   * specified at https://github.com/actframework/actframework/issues/420
   */
  @LoadValue(ConfigResourceLoader.class)
  @Retention(RetentionPolicy.RUNTIME)
  @Target({ElementType.PARAMETER, ElementType.FIELD})
  @ParamBindingAnnotation
  @InjectTag
  public @interface LoadConfig {
      /**
       * Specify the config resource name.
       *
       * @return the config resource name
       */
      String value();
  }
  