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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  namespace ProxyManager\Signature;
  20  
  21  use Zend\Code\Generator\ClassGenerator;
  22  use Zend\Code\Generator\PropertyGenerator;
  23  
  24  /**
  25   * Applies a signature to a given class generator
  26   *
  27   * @author Marco Pivetta <ocramius@gmail.com>
  28   * @license MIT
  29   */
  30  final class ClassSignatureGenerator implements ClassSignatureGeneratorInterface
  31  {
  32      /**
  33       * @var SignatureGeneratorInterface
  34       */
  35      private $signatureGenerator;
  36  
  37      /**
  38       * @param SignatureGeneratorInterface $signatureGenerator
  39       */
  40      public function __construct(SignatureGeneratorInterface $signatureGenerator)
  41      {
  42          $this->signatureGenerator = $signatureGenerator;
  43      }
  44  
  45      /**
  46       * {@inheritDoc}
  47       */
  48      public function addSignature(ClassGenerator $classGenerator, array $parameters)
  49      {
  50          $classGenerator->addPropertyFromGenerator(new PropertyGenerator(
  51              'signature' . $this->signatureGenerator->generateSignatureKey($parameters),
  52              $this->signatureGenerator->generateSignature($parameters),
  53              PropertyGenerator::FLAG_STATIC | PropertyGenerator::FLAG_PRIVATE
  54          ));
  55  
  56          return $classGenerator;
  57      }
  58  }