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.acfexample;
  
  import co.aikar.commands.BukkitCommandExecutionContext;
  import co.aikar.commands.InvalidCommandArgument;
  import co.aikar.commands.MessageKeys;
  import co.aikar.commands.contexts.ContextResolver;
  
  public abstract class SomeObject {
      private final Integer thisValue;
  
      SomeObject(Integer thisValue) {
          this.thisValue = thisValue;
      }
  
      public Integer getValue() {
          return this.thisValue;
      }
  
      // Dynamically returns up to 3 different objects based on the users input.
      // A command signature using SomeObject doesn't care about all this logic, its defined once
      // And it knows it will receive SomeObject
      public static ContextResolver<SomeObject, BukkitCommandExecutionContext> getContextResolver() {
          return (c) -> {
              String first = c.popFirstArg();
              if ("1".equals(first)) {
                  return new Test1();
              } else if ("2".equals(first)) {
                  return new Test2();
              } else {
                  try {
                      return new TestOther(Integer.parseInt(first));
                  } catch (NumberFormatException ignored) {
                      // User didn't type a number, show error!
                      throw new InvalidCommandArgument(MessageKeys.MUST_BE_A_NUMBER);
                  }
              }
          };
      }
  
      public static class Test1 extends SomeObject {
          Test1() {
              super(1);
          }
      }
      public static class Test2 extends SomeObject {
          Test2() {
              super(2);
          }
      }
      public static class TestOther extends SomeObject {
          TestOther(Integer other) {
              super(other);
          }
      }
  }
  