/*

  * Copyright 2009 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;

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

 import java.util.ArrayList;

 import java.util.List;

 class ParsedOptionSpecificationImpl extends AbstractOptionSpecification implements ParsedOptionSpecification {

     private final OptionAnnotationAdapter optionAnnotation;

     ParsedOptionSpecificationImpl(final OptionAnnotationAdapter annotation) {

         super(annotation);

         optionAnnotation = annotation;

         for (final String longName : annotation.longName()) {

             if (longName.trim().isEmpty())

             {

                 throw new InvalidOptionSpecificationException(String.format(

                         "option %s long name cannot be blank",

                         getMethod()));

             }

         }

     }

     @Override public List<String> getLongName() {

         return optionAnnotation.longName();

     }

     @Override public List<String> getShortNames() {

         return optionAnnotation.shortName();

     }

     @Override public List<String> getNames() {

         final List<String> result = new ArrayList<String>(getShortNames());

         result.addAll(getLongName());

         return result;

     }

     @Override public boolean hasShortName() {

         return !getShortNames().isEmpty();

     }

     @Override public boolean isHelpOption() {

         return optionAnnotation.helpRequest();

     }

     @Override public String getPattern() {

         return annotation.pattern();

     }

     @Override public boolean hasValue() {

         return !isBoolean();

     }

     @Override public final boolean isBoolean() {

         return getType().isAssignableFrom(Boolean.class) || getType().isAssignableFrom(boolean.class);

     }

     @Override public String toString() {

         return new ParsedOptionSummary(this).toString();

     }

     @Override public boolean allowedValue(final String value) {

         return value.matches(getPattern());

     }

     @Override public void reportMissingTo(final ValidationErrorBuilder validationErrorBuilder) {

        validationErrorBuilder.missingOption(this);

     }

 }