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   1  <?php
   2  /*
   3   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   4   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   5   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   6   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   7   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   8   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   9   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  10   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  11   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  12   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  13   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14   *
  15   * This software consists of voluntary contributions made by many individuals
  16   * and is licensed under the MIT license.
  17   */
  18  
  19  declare(strict_types=1);
  20  
  21  namespace ProxyManager\ProxyGenerator\NullObject\MethodGenerator;
  22  
  23  use ProxyManager\Generator\MethodGenerator;
  24  use ProxyManager\ProxyGenerator\Util\Properties;
  25  use ReflectionClass;
  26  use ReflectionProperty;
  27  
  28  /**
  29   * The `staticProxyConstructor` implementation for null object proxies
  30   *
  31   * @author Marco Pivetta <ocramius@gmail.com>
  32   * @license MIT
  33   */
  34  class StaticProxyConstructor extends MethodGenerator
  35  {
  36      /**
  37       * Constructor
  38       *
  39       * @param ReflectionClass $originalClass Reflection of the class to proxy
  40       *
  41       * @throws \Zend\Code\Generator\Exception\InvalidArgumentException
  42       */
  43      public function __construct(ReflectionClass $originalClass)
  44      {
  45          parent::__construct('staticProxyConstructor', [], static::FLAG_PUBLIC | static::FLAG_STATIC);
  46  
  47          $nullableProperties = array_map(
  48              function (ReflectionProperty $publicProperty) : string {
  49                  return '$instance->' . $publicProperty->getName() . ' = null;';
  50              },
  51              Properties::fromReflectionClass($originalClass)->getPublicProperties()
  52          );
  53  
  54          $this->setDocBlock('Constructor for null object initialization');
  55          $this->setBody(
  56              'static $reflection;' . "\n\n"
  57              . '$reflection = $reflection ?: $reflection = new \ReflectionClass(__CLASS__);' . "\n"
  58              . '$instance = (new \ReflectionClass(get_class()))->newInstanceWithoutConstructor();' . "\n\n"
  59              . ($nullableProperties ? implode("\n", $nullableProperties) . "\n\n" : '')
  60              . 'return $instance;'
  61          );
  62      }
  63  }