inc/main/classes/resolver/command/image/class_ImageCommandResolver.php

   1 <?php
   2 // Own namespace
   3 namespace CoreFramework\Resolver\Command;
   4
   5 // Import framework stuff
   6 use CoreFramework\Manager\ManageableApplication;
   7
   8 /**
   9  * A command resolver for local (non-hubbed) image commands
  10  *
  11  * @author              Roland Haeder <webmaster@shipsimu.org>
  12  * @version             0.0.0
  13  * @copyright   Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2017 Core Developer Team
  14  * @license             GNU GPL 3.0 or any newer version
  15  * @link                http://www.shipsimu.org
  16  *
  17  * This program is free software: you can redistribute it and/or modify
  18  * it under the terms of the GNU General Public License as published by
  19  * the Free Software Foundation, either version 3 of the License, or
  20  * (at your option) any later version.
  21  *
  22  * This program is distributed in the hope that it will be useful,
  23  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  * GNU General Public License for more details.
  26  *
  27  * You should have received a copy of the GNU General Public License
  28  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  29  */
  30 class ImageCommandResolver extends BaseCommandResolver implements CommandResolver {
  31         /**
  32          * Last successfull resolved command
  33          */
  34         private $lastCommandInstance = NULL;
  35
  36         /**
  37          * Protected constructor
  38          *
  39          * @return      void
  40          */
  41         protected function __construct () {
  42                 // Call parent constructor
  43                 parent::__construct(__CLASS__);
  44
  45                 // Set prefix to "Image"
  46                 $this->setClassPrefix('image');
  47         }
  48
  49         /**
  50          * Creates an instance of a Image command resolver with a given default command
  51          *
  52          * @param       $commandName                            The default command we shall execute
  53          * @param       $applicationInstance            An instance of a manageable application helper class
  54          * @return      $resolverInstance                       The prepared command resolver instance
  55          * @throws      EmptyVariableException          Thrown if default command is not set
  56          * @throws      InvalidCommandException         Thrown if default command is invalid
  57          */
  58         public static final function createImageCommandResolver ($commandName, ManageableApplication $applicationInstance) {
  59                 // Create the new instance
  60                 $resolverInstance = new ImageCommandResolver();
  61
  62                 // Is the variable $commandName set and the command is valid?
  63                 if (empty($commandName)) {
  64                         // Then thrown an exception here
  65                         throw new EmptyVariableException(array($resolverInstance, 'commandName'), self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
  66                 } elseif ($resolverInstance->isCommandValid($commandName) === FALSE) {
  67                         // Invalid command found
  68                         throw new InvalidCommandException(array($resolverInstance, $commandName), self::EXCEPTION_INVALID_COMMAND);
  69                 }
  70
  71                 // Set the application instance
  72                 $resolverInstance->setApplicationInstance($applicationInstance);
  73
  74                 // Return the prepared instance
  75                 return $resolverInstance;
  76         }
  77
  78 }