/*

  * Copyright 2006 Tim Wood

  *

  * 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.

  */

 package com.lexicalscope.jewel.cli.validation;

 import java.util.ArrayList;

 import java.util.List;

 import java.util.Map;

 import com.lexicalscope.jewel.cli.specification.OptionsSpecification;

 import com.lexicalscope.jewel.cli.specification.ParsedOptionSpecification;

 class OptionCollectionImpl implements OptionCollection

 {

     private final OptionsSpecification<?> specification;

     private final Map<ParsedOptionSpecification, List<String>> arguments;

     private final List<String> unparsed;

     public OptionCollectionImpl(

             final OptionsSpecification<?> specification,

             final Map<ParsedOptionSpecification,

             List<String>> arguments,

             final List<String> unparsed)

     {

         this.specification = specification;

         this.arguments = arguments;

         this.unparsed = unparsed;

     }

     @Override public List<String> getUnparsed()

     {

         return new ArrayList<String>(unparsed);

     }

     @Override public Argument getArgument(final ParsedOptionSpecification option) {

         if (arguments.containsKey(option)) {

             return new ArgumentImpl(option, arguments.get(option));

         }

         return null;

     }

     @Override public List<String> getValues(final String... options)

     {

         for (final String option : options)

         {

             final ParsedOptionSpecification optionSpecification = specification.getSpecification(option);

             if (arguments.containsKey(optionSpecification))

             {

                 return arguments.get(optionSpecification);

             }

         }

         return null;

     }

 }