interface/modules/zend_modules/library/Zend/Console/Prompt/AbstractPrompt.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Console\Prompt;
  11
  12 use ReflectionClass;
  13 use Zend\Console\Adapter\AdapterInterface as ConsoleAdapter;
  14 use Zend\Console\Console;
  15 use Zend\Console\Exception;
  16
  17 abstract class AbstractPrompt implements PromptInterface
  18 {
  19     /**
  20      * @var ConsoleAdapter
  21      */
  22     protected $console;
  23
  24     /**
  25      * @var mixed
  26      */
  27     protected $lastResponse;
  28
  29     /**
  30      * Return last answer to this prompt.
  31      *
  32      * @return mixed
  33      */
  34     public function getLastResponse()
  35     {
  36         return $this->lastResponse;
  37     }
  38
  39     /**
  40      * Return console adapter to use when showing prompt.
  41      *
  42      * @return ConsoleAdapter
  43      */
  44     public function getConsole()
  45     {
  46         if (!$this->console) {
  47             $this->console = Console::getInstance();
  48         }
  49
  50         return $this->console;
  51     }
  52
  53     /**
  54      * Set console adapter to use when showing prompt.
  55      *
  56      * @param ConsoleAdapter $adapter
  57      */
  58     public function setConsole(ConsoleAdapter $adapter)
  59     {
  60         $this->console = $adapter;
  61     }
  62
  63     /**
  64      * Create an instance of this prompt, show it and return response.
  65      *
  66      * This is a convenience method for creating statically creating prompts, i.e.:
  67      *
  68      *      $name = Zend\Console\Prompt\Line::prompt("Enter your name: ");
  69      *
  70      * @return mixed
  71      * @throws Exception\BadMethodCallException
  72      */
  73     public static function prompt()
  74     {
  75         if (get_called_class() === __CLASS__) {
  76             throw new Exception\BadMethodCallException(
  77                 'Cannot call prompt() on AbstractPrompt class. Use one of the Zend\Console\Prompt\ subclasses.'
  78             );
  79         }
  80
  81         $refl     = new ReflectionClass(get_called_class());
  82         $instance = $refl->newInstanceArgs(func_get_args());
  83         return $instance->show();
  84     }
  85 }