content: package act.inject.param;
  
  /*-
   * #%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.cli.CliContext;
  import act.cli.util.CommandLineParser;
  
  import java.util.List;
  
  abstract class CliParamValueLoader extends ParamValueLoader.Cacheable {
  
      final String optionValue(String lead1, String lead2, CliContext ctx) {
          return parser(ctx).getString(lead1, lead2);
      }
  
      final boolean multipleParams(CliContext context) {
          return context.parsingContext().hasMultipleOptionArguments();
      }
  
      protected final Object sessionVal(String bindName, CliContext context) {
          return context.attribute(bindName);
      }
  
      protected final String getFirstArgument(CliContext context) {
          List<String> list = arguments(context);
          return list.isEmpty() ? null : list.get(0);
      }
  
      protected final List<String> arguments(CliContext context) {
          return context.arguments();
      }
  
      private CommandLineParser parser(CliContext ctx) {
          return ctx.commandLine();
      }
  
  }
  