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 resource
   * that is loaded from path specified.
   *
   * @see act.util.HeaderMapping
   */
  @LoadValue(ResourceLoader.class)
  @Retention(RetentionPolicy.RUNTIME)
  @Target({ElementType.PARAMETER, ElementType.FIELD})
  @ParamBindingAnnotation
  @InjectTag
  public @interface LoadResource {
      /**
       * Specify the resource path.
       *
       * The resource will be loaded by calling
       *
       * ```java
       * Act.app().classLoader().getResource(value);
       * ```
       *
       * By default the leading slash in the `value` will be removed, i.e.
       * `@LoadResource("/folder/file.txt")` is the same as
       * `@LoadResource("folder/file.txt")`. This behavior can be turned
       * off by specifying {@link #skipTrimLeadingSlash()} to `false`:
       *
       * ```java
       * {@literal @}LoadResource(value: "/folder/file.txt", skipTrimLeadingSlash: false);
       * ```
       *
       * @return the resource path
       */
      String value();
  
      /**
       * By default it will remove the leading `/` from the
       * {@link #value()}. Setting this option to `true` can
       * turn off the behavior.
       *
       * Default value is `false`
       *
       * @return `true` if it shall skip removing the leading
       * slash from {@link #value()}
       */
      boolean skipTrimLeadingSlash() default false;
  }
  