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ClassMetadata.php
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<?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; } }