package com.lexicalscope.jewel.cli;

 import static java.util.Arrays.asList;

 import java.util.ArrayList;

 import java.util.List;

 import com.lexicalscope.fluentreflection.FluentClass;

 import com.lexicalscope.fluentreflection.FluentMethod;

 /*

  * Copyright 2011 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.

  */

 class OptionAnnotationAdapter extends AbstractOptionAdapter {

     private final Option option;

     OptionAnnotationAdapter(

             final FluentClass<?> klass,

             final FluentMethod method) {

         super(klass, method);

         this.option = method.annotation(Option.class);

     }

     @Override public String description() {

         return option.description().trim();

     }

     @Override public String pattern() {

         return option.pattern();

     }

     @Override public boolean defaultToNull() {

         return option.defaultToNull();

     }

     @Override public String[] defaultValue() {

         return option.defaultValue();

     }

     public List<String> shortName() {

         final List<String> shortNames = new ArrayList<String>();

         for (final String element : option.shortName()) {

             final String shortName = element.trim();

             if (shortName.length() > 0) {

                 shortNames.add(element.substring(0, 1));

             }

         }

         return shortNames;

     }

     public List<String> longName() {

         return option.longName().length == 0

                 ? asList(method.property())

                 : asList(option.longName());

     }

     public boolean helpRequest() {

         return option.helpRequest();

     }

     @Override public boolean isHidden() {

         return option.hidden();

     }

     @Override public int minimum() {

         return option.minimum();

     }

     @Override public int exactly() {

         return option.exactly();

     }

     @Override public int maximum() {

         return option.maximum();

     }

 }