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1   /*
2    * Copyright 2007 Tim Wood
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
7    *
8    * Unless required by applicable law or agreed to in writing, software
9    * distributed under the License is distributed on an "AS IS" BASIS,
10   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11   * See the License for the specific language governing permissions and
12   * limitations under the License.
13   */
14  package com.lexicalscope.jewel.cli;
15  
16  import static ch.lambdaj.Lambda.convert;
17  import static com.lexicalscope.fluentreflection.ReflectionMatchers.*;
18  
19  import com.lexicalscope.fluentreflection.FluentClass;
20  import com.lexicalscope.jewel.cli.specification.OptionsSpecification;
21  
22  class InstanceOptionsSpecificationParser<O> {
23      private final FluentClass<O> klass;
24  
25      InstanceOptionsSpecificationParser(final FluentClass<O> klass) {
26          this.klass = klass;
27      }
28  
29      OptionsSpecification<O> buildOptionsSpecification() {
30          return new OptionsSpecificationImpl<O>(klass,
31                  convert(
32                          klass.methods(isMutator().and(annotatedWith(Option.class))),
33                          new ConvertSetterMethodToParsedOptionSpecification(klass)),
34                  convert(
35                          klass.methods(isMutator().and(annotatedWith(Unparsed.class))),
36                          new ConvertUnparsedSetterMethodToUnparsedOptionSpecification(klass)));
37      }
38  
39      static <O> OptionsSpecification<O> createOptionsSpecificationImpl(final FluentClass<O> klass) {
40          return new InstanceOptionsSpecificationParser<O>(klass).buildOptionsSpecification();
41      }
42  }