content: /*
   * Copyright (c) 2016-2017 Daniel Ennis (Aikar) - MIT License
   *
   *  Permission is hereby granted, free of charge, to any person obtaining
   *  a copy of this software and associated documentation files (the
   *  "Software"), to deal in the Software without restriction, including
   *  without limitation the rights to use, copy, modify, merge, publish,
   *  distribute, sublicense, and/or sell copies of the Software, and to
   *  permit persons to whom the Software is furnished to do so, subject to
   *  the following conditions:
   *
   *  The above copyright notice and this permission notice shall be
   *  included in all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
   *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
   *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
   *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  
  package co.aikar.commands.contexts;
  
  import co.aikar.commands.CommandExecutionContext;
  import co.aikar.commands.CommandIssuer;
  import co.aikar.commands.InvalidCommandArgument;
  
  /**
   * This defines a context resolver, which parses {@link T} from {@link C}.
   *
   * @param <T>
   *         The type to be parsed.
   * @param <C>
   *         The type of the context which the resolver would get its data from.
   */
  @FunctionalInterface
  public interface ContextResolver <T, C extends CommandExecutionContext<?, ? extends CommandIssuer>> {
      /**
       * Parses the context of type {@link C} into {@link T}, or throws an exception.
       *
       * @param c
       *         The context to parse from.
       *
       * @return The parsed instance of the wanted type.
       *
       * @throws InvalidCommandArgument
       *         In case the context contains any discrepancies, it will throw this exception.
       */
      T getContext(C c) throws InvalidCommandArgument;
  }
  