ClassMetadata.php

1. 8.x drupal/core/vendor/symfony/validator/Symfony/Component/Validator/Mapping/ClassMetadata.php
2. 8.x drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Mapping/ClassMetadata.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\Validator\Mapping;

use Symfony\Component\Validator\ValidationVisitorInterface;
use Symfony\Component\Validator\PropertyMetadataContainerInterface;
use Symfony\Component\Validator\ClassBasedInterface;
use Symfony\Component\Validator\MetadataInterface;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
use Symfony\Component\Validator\Exception\GroupDefinitionException;

/**
 * Represents all the configured constraints on a given class.
 *
 * @author Bernhard Schussek <bschussek@gmail.com>
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ClassMetadata extends ElementMetadata implements MetadataInterface, ClassBasedInterface, PropertyMetadataContainerInterface {

  /**
   * @var string
   */
  public $name;

  /**
   * @var string
   */
  public $defaultGroup;

  /**
   * @var MemberMetadata[]
   */
  public $members = array();

  /**
   * @var PropertyMetadata[]
   */
  public $properties = array();

  /**
   * @var GetterMetadata[]
   */
  public $getters = array();

  /**
   * @var array
   */
  public $groupSequence = array();

  /**
   * @var Boolean
   */
  public $groupSequenceProvider = false;

  /**
   * @var \ReflectionClass
   */
  private $reflClass;

  /**
   * Constructs a metadata for the given class
   *
   * @param string $class
   */
  public function __construct($class) {
    $this->name = $class;

    // class name without namespace
    if (false !== ($nsSep = strrpos($class, '\\'))) {
      $this->defaultGroup = substr($class, $nsSep + 1);
    }
    else {
      $this->defaultGroup = $class;
    }
  }
  public function accept(ValidationVisitorInterface $visitor, $value, $group, $propertyPath, $propagatedGroup = null) {
    if (null === $propagatedGroup && Constraint::DEFAULT_GROUP === $group && ($this
      ->hasGroupSequence() || $this
      ->isGroupSequenceProvider())) {
      if ($this
        ->hasGroupSequence()) {
        $groups = $this
          ->getGroupSequence();
      }
      else {
        $groups = $value
          ->getGroupSequence();
      }
      foreach ($groups as $group) {
        $this
          ->accept($visitor, $value, $group, $propertyPath, Constraint::DEFAULT_GROUP);
        if (count($visitor
          ->getViolations()) > 0) {
          break;
        }
      }
      return;
    }
    $visitor
      ->visit($this, $value, $group, $propertyPath);
    if (null !== $value) {
      $pathPrefix = empty($propertyPath) ? '' : $propertyPath . '.';
      foreach ($this
        ->getConstrainedProperties() as $property) {
        foreach ($this
          ->getMemberMetadatas($property) as $member) {
          $member
            ->accept($visitor, $member
            ->getPropertyValue($value), $group, $pathPrefix . $property, $propagatedGroup);
        }
      }
    }
  }

  /**
   * Returns the properties to be serialized
   *
   * @return array
   */
  public function __sleep() {
    return array_merge(parent::__sleep(), array(
      'getters',
      'groupSequence',
      'groupSequenceProvider',
      'members',
      'name',
      'properties',
      'defaultGroup',
    ));
  }

  /**
   * Returns the fully qualified name of the class
   *
   * @return string  The fully qualified class name
   */
  public function getClassName() {
    return $this->name;
  }

  /**
   * Returns the name of the default group for this class
   *
   * For each class, the group "Default" is an alias for the group
   * "<ClassName>", where <ClassName> is the non-namespaced name of the
   * class. All constraints implicitly or explicitly assigned to group
   * "Default" belong to both of these groups, unless the class defines
   * a group sequence.
   *
   * If a class defines a group sequence, validating the class in "Default"
   * will validate the group sequence. The constraints assigned to "Default"
   * can still be validated by validating the class in "<ClassName>".
   *
   * @return string  The name of the default group
   */
  public function getDefaultGroup() {
    return $this->defaultGroup;
  }

  /**
   * {@inheritDoc}
   */
  public function addConstraint(Constraint $constraint) {
    if (!in_array(Constraint::CLASS_CONSTRAINT, (array) $constraint
      ->getTargets())) {
      throw new ConstraintDefinitionException(sprintf('The constraint %s cannot be put on classes', get_class($constraint)));
    }
    $constraint
      ->addImplicitGroupName($this
      ->getDefaultGroup());
    parent::addConstraint($constraint);
  }

  /**
   * Adds a constraint to the given property.
   *
   * @param string     $property   The name of the property
   * @param Constraint $constraint The constraint
   *
   * @return ClassMetadata This object
   */
  public function addPropertyConstraint($property, Constraint $constraint) {
    if (!isset($this->properties[$property])) {
      $this->properties[$property] = new PropertyMetadata($this
        ->getClassName(), $property);
      $this
        ->addMemberMetadata($this->properties[$property]);
    }
    $constraint
      ->addImplicitGroupName($this
      ->getDefaultGroup());
    $this->properties[$property]
      ->addConstraint($constraint);
    return $this;
  }

  /**
   * Adds a constraint to the getter of the given property.
   *
   * The name of the getter is assumed to be the name of the property with an
   * uppercased first letter and either the prefix "get" or "is".
   *
   * @param string     $property   The name of the property
   * @param Constraint $constraint The constraint
   *
   * @return ClassMetadata This object
   */
  public function addGetterConstraint($property, Constraint $constraint) {
    if (!isset($this->getters[$property])) {
      $this->getters[$property] = new GetterMetadata($this
        ->getClassName(), $property);
      $this
        ->addMemberMetadata($this->getters[$property]);
    }
    $constraint
      ->addImplicitGroupName($this
      ->getDefaultGroup());
    $this->getters[$property]
      ->addConstraint($constraint);
    return $this;
  }

  /**
   * Merges the constraints of the given metadata into this object.
   *
   * @param ClassMetadata $source The source metadata
   */
  public function mergeConstraints(ClassMetadata $source) {
    foreach ($source
      ->getConstraints() as $constraint) {
      $this
        ->addConstraint(clone $constraint);
    }
    foreach ($source
      ->getConstrainedProperties() as $property) {
      foreach ($source
        ->getMemberMetadatas($property) as $member) {
        $member = clone $member;
        foreach ($member
          ->getConstraints() as $constraint) {
          $constraint
            ->addImplicitGroupName($this
            ->getDefaultGroup());
        }
        $this
          ->addMemberMetadata($member);
        if (!$member
          ->isPrivate($this->name)) {
          $property = $member
            ->getPropertyName();
          if ($member instanceof PropertyMetadata && !isset($this->properties[$property])) {
            $this->properties[$property] = $member;
          }
          elseif ($member instanceof GetterMetadata && !isset($this->getters[$property])) {
            $this->getters[$property] = $member;
          }
        }
      }
    }
  }

  /**
   * Adds a member metadata.
   *
   * @param MemberMetadata $metadata
   */
  protected function addMemberMetadata(MemberMetadata $metadata) {
    $property = $metadata
      ->getPropertyName();
    $this->members[$property][] = $metadata;
  }

  /**
   * Returns true if metadatas of members is present for the given property.
   *
   * @param string $property The name of the property
   *
   * @return Boolean
   */
  public function hasMemberMetadatas($property) {
    return array_key_exists($property, $this->members);
  }

  /**
   * Returns all metadatas of members describing the given property.
   *
   * @param string $property The name of the property
   *
   * @return MemberMetadata[] An array of MemberMetadata
   */
  public function getMemberMetadatas($property) {
    return $this->members[$property];
  }

  /**
   * {@inheritdoc}
   */
  public function hasPropertyMetadata($property) {
    return array_key_exists($property, $this->members);
  }

  /**
   * {@inheritdoc}
   */
  public function getPropertyMetadata($property) {
    return $this->members[$property];
  }

  /**
   * Returns all properties for which constraints are defined.
   *
   * @return array An array of property names
   */
  public function getConstrainedProperties() {
    return array_keys($this->members);
  }

  /**
   * Sets the default group sequence for this class.
   *
   * @param array $groups An array of group names
   *
   * @return ClassMetadata
   *
   * @throws GroupDefinitionException
   */
  public function setGroupSequence(array $groups) {
    if ($this
      ->isGroupSequenceProvider()) {
      throw new GroupDefinitionException('Defining a static group sequence is not allowed with a group sequence provider');
    }
    if (in_array(Constraint::DEFAULT_GROUP, $groups, true)) {
      throw new GroupDefinitionException(sprintf('The group "%s" is not allowed in group sequences', Constraint::DEFAULT_GROUP));
    }
    if (!in_array($this
      ->getDefaultGroup(), $groups, true)) {
      throw new GroupDefinitionException(sprintf('The group "%s" is missing in the group sequence', $this
        ->getDefaultGroup()));
    }
    $this->groupSequence = $groups;
    return $this;
  }

  /**
   * Returns whether this class has an overridden default group sequence.
   *
   * @return Boolean
   */
  public function hasGroupSequence() {
    return count($this->groupSequence) > 0;
  }

  /**
   * Returns the default group sequence for this class.
   *
   * @return array An array of group names
   */
  public function getGroupSequence() {
    return $this->groupSequence;
  }

  /**
   * Returns a ReflectionClass instance for this class.
   *
   * @return \ReflectionClass
   */
  public function getReflectionClass() {
    if (!$this->reflClass) {
      $this->reflClass = new \ReflectionClass($this
        ->getClassName());
    }
    return $this->reflClass;
  }

  /**
   * Sets whether a group sequence provider should be used.
   *
   * @param Boolean $active
   *
   * @throws GroupDefinitionException
   */
  public function setGroupSequenceProvider($active) {
    if ($this
      ->hasGroupSequence()) {
      throw new GroupDefinitionException('Defining a group sequence provider is not allowed with a static group sequence');
    }
    if (!$this
      ->getReflectionClass()
      ->implementsInterface('Symfony\\Component\\Validator\\GroupSequenceProviderInterface')) {
      throw new GroupDefinitionException(sprintf('Class "%s" must implement GroupSequenceProviderInterface', $this->name));
    }
    $this->groupSequenceProvider = $active;
  }

  /**
   * Returns whether the class is a group sequence provider.
   *
   * @return Boolean
   */
  public function isGroupSequenceProvider() {
    return $this->groupSequenceProvider;
  }

}