package org.apache.maven.wrapper.cli;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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.
   */
  
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  /**
   * Command line option. 
   */
  public class CommandLineOption
  {
      private final Set<String> options = new HashSet<String>();
  
      private Class<?> argumentType = Void.TYPE;
  
      private String description;
  
      private String subcommand;
  
      private String deprecationWarning;
  
      private boolean incubating;
  
      public CommandLineOption( Iterable<String> options )
      {
          for ( String option : options )
          {
              this.options.add( option );
          }
      }
  
      public Set<String> getOptions()
      {
          return options;
      }
  
      public CommandLineOption hasArgument()
      {
          argumentType = String.class;
          return this;
      }
  
      public CommandLineOption hasArguments()
      {
          argumentType = List.class;
          return this;
      }
  
      public String getSubcommand()
      {
          return subcommand;
      }
  
      public CommandLineOption mapsToSubcommand( String command )
      {
          this.subcommand = command;
          return this;
      }
  
      public String getDescription()
      {
          StringBuilder result = new StringBuilder();
          if ( description != null )
          {
              result.append( description );
          }
          if ( deprecationWarning != null )
          {
              if ( result.length() > 0 )
              {
                  result.append( ' ' );
              }
              result.append( "[deprecated - " );
              result.append( deprecationWarning );
              result.append( "]" );
          }
          if ( incubating )
          {
              if ( result.length() > 0 )
              {
                 result.append( ' ' );
             }
             result.append( "[incubating]" );
         }
         return result.toString();
     }
 
     public CommandLineOption hasDescription( String description )
     {
         this.description = description;
         return this;
     }
 
     public boolean getAllowsArguments()
     {
         return argumentType != Void.TYPE;
     }
 
     public boolean getAllowsMultipleArguments()
     {
         return argumentType == List.class;
     }
 
     public CommandLineOption deprecated( String deprecationWarning )
     {
         this.deprecationWarning = deprecationWarning;
         return this;
     }
 
     public CommandLineOption incubating()
     {
         incubating = true;
         return this;
     }
 
     public String getDeprecationWarning()
     {
         return deprecationWarning;
     }
 }