package org.lsst.ccs.command;
   
   import java.util.ArrayList;
   
   /**
    *
    * @author tonyj
    */
   class MethodBasedCommandDictionary extends ArrayList<DictionaryCommand> implements Dictionary {
  
      @Override
      public boolean containsCommand(BasicCommand tc) {
          return findCommand(tc) != null;
      }
  
      @Override
      public DictionaryCommand findCommand(BasicCommand tc) {
          return findCommand(tc.getCommand(), tc.getArgumentCount());
      }
  
      @Override
      public boolean containsCommand(String command, int argumentCount) {
          return findCommand(command, argumentCount) != null;
      }
  
      @Override
      public DictionaryCommand findCommand(String command, int argumentCount) {
          for (DictionaryCommand def : this) {
              if (def.getCommandName().equals(command) && (argumentCount == def.getArguments().length || (argumentCount >= def.getArguments().length-1 && def.isVarArgs()))) {
                  return def;
              }
              for (String alias : def.getAliases()) {
                  if (alias.equals(command) && (argumentCount == def.getArguments().length || (argumentCount >= def.getArguments().length-1 && def.isVarArgs()))) {
                      return def;
                  }
              }
          }
          return null;
      }
      
  }