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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;
use Symfony\Component\Translation\TranslatorInterface;
/**
* Default implementation of {@link ExecutionContextInterface}.
*
* This class is immutable by design.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Bernhard Schussek <bschussek@gmail.com>
*/
class ExecutionContext implements ExecutionContextInterface
{
/**
* @var GlobalExecutionContextInterface
*/
private $globalContext;
/**
* @var TranslatorInterface
*/
private $translator;
/**
* @var null|string
*/
private $translationDomain;
/**
* @var MetadataInterface
*/
private $metadata;
/**
* @var mixed
*/
private $value;
/**
* @var string
*/
private $group;
/**
* @var string
*/
private $propertyPath;
/**
* Creates a new execution context.
*
* @param GlobalExecutionContextInterface $globalContext The global context storing node-independent state.
* @param TranslatorInterface $translator The translator for translating violation messages.
* @param null|string $translationDomain The domain of the validation messages.
* @param MetadataInterface $metadata The metadata of the validated node.
* @param mixed $value The value of the validated node.
* @param string $group The current validation group.
* @param string $propertyPath The property path to the current node.
*/
public function __construct(GlobalExecutionContextInterface $globalContext, TranslatorInterface $translator, $translationDomain = null, MetadataInterface $metadata = null, $value = null, $group = null, $propertyPath = '')
{
if (null === $group) {
$group = Constraint::DEFAULT_GROUP;
}
$this->globalContext = $globalContext;
$this->translator = $translator;
$this->translationDomain = $translationDomain;
$this->metadata = $metadata;
$this->value = $value;
$this->propertyPath = $propertyPath;
$this->group = $group;
}
/**
* {@inheritdoc}
*/
public function addViolation($message, array $params = array(), $invalidValue = null, $pluralization = null, $code = null)
{
if (null === $pluralization) {
$translatedMessage = $this->translator->trans($message, $params, $this->translationDomain);
} else {
try {
$translatedMessage = $this->translator->transChoice($message, $pluralization, $params, $this->translationDomain);
} catch (\InvalidArgumentException $e) {
$translatedMessage = $this->translator->trans($message, $params, $this->translationDomain);
}
}
$this->globalContext->getViolations()->add(new ConstraintViolation(
$translatedMessage,
$message,
$params,
$this->globalContext->getRoot(),
$this->propertyPath,
// check using func_num_args() to allow passing null values
func_num_args() >= 3 ? $invalidValue : $this->value,
$pluralization,
$code
));
}
/**
* {@inheritdoc}
*/
public function addViolationAt($subPath, $message, array $params = array(), $invalidValue = null, $pluralization = null, $code = null)
{
$this->globalContext->getViolations()->add(new ConstraintViolation(
null === $pluralization
? $this->translator->trans($message, $params, $this->translationDomain)
: $this->translator->transChoice($message, $pluralization, $params, $this->translationDomain),
$message,
$params,
$this->globalContext->getRoot(),
$this->getPropertyPath($subPath),
// check using func_num_args() to allow passing null values
func_num_args() >= 4 ? $invalidValue : $this->value,
$pluralization,
$code
));
}
/**
* {@inheritdoc}
*/
public function getViolations()
{
return $this->globalContext->getViolations();
}
/**
* {@inheritdoc}
*/
public function getRoot()
{
return $this->globalContext->getRoot();
}
/**
* {@inheritdoc}
*/
public function getPropertyPath($subPath = '')
{
if ('' != $subPath && '' !== $this->propertyPath && '[' !== $subPath[0]) {
return $this->propertyPath.'.'.$subPath;
}
return $this->propertyPath.$subPath;
}
/**
* {@inheritdoc}
*/
public function getClassName()
{
if ($this->metadata instanceof ClassBasedInterface) {
return $this->metadata->getClassName();
}
return null;
}
/**
* {@inheritdoc}
*/
public function getPropertyName()
{
if ($this->metadata instanceof PropertyMetadataInterface) {
return $this->metadata->getPropertyName();
}
return null;
}
/**
* {@inheritdoc}
*/
public function getValue()
{
return $this->value;
}
/**
* {@inheritdoc}
*/
public function getGroup()
{
return $this->group;
}
/**
* {@inheritdoc}
*/
public function getMetadata()
{
return $this->metadata;
}
/**
* {@inheritdoc}
*/
public function getMetadataFor($value)
{
return $this->globalContext->getMetadataFactory()->getMetadataFor($value);
}
/**
* {@inheritdoc}
*/
public function validate($value, $subPath = '', $groups = null, $traverse = false, $deep = false)
{
$propertyPath = $this->getPropertyPath($subPath);
foreach ($this->resolveGroups($groups) as $group) {
$this->globalContext->getVisitor()->validate($value, $group, $propertyPath, $traverse, $deep);
}
}
/**
* {@inheritdoc}
*/
public function validateValue($value, $constraints, $subPath = '', $groups = null)
{
$constraints = is_array($constraints) ? $constraints : array($constraints);
if (null === $groups && '' === $subPath) {
$context = clone $this;
$context->value = $value;
$context->executeConstraintValidators($value, $constraints);
return;
}
$propertyPath = $this->getPropertyPath($subPath);
foreach ($this->resolveGroups($groups) as $group) {
$context = clone $this;
$context->value = $value;
$context->group = $group;
$context->propertyPath = $propertyPath;
$context->executeConstraintValidators($value, $constraints);
}
}
/**
* {@inheritdoc}
*/
public function getMetadataFactory()
{
return $this->globalContext->getMetadataFactory();
}
/**
* Executes the validators of the given constraints for the given value.
*
* @param mixed $value The value to validate.
* @param Constraint[] $constraints The constraints to match against.
*/
private function executeConstraintValidators($value, array $constraints)
{
foreach ($constraints as $constraint) {
$validator = $this->globalContext->getValidatorFactory()->getInstance($constraint);
$validator->initialize($this);
$validator->validate($value, $constraint);
}
}
/**
* Returns an array of group names.
*
* @param null|string|string[] $groups The groups to resolve. If a single string is
* passed, it is converted to an array. If null
* is passed, an array containing the current
* group of the context is returned.
*
* @return array An array of validation groups.
*/
private function resolveGroups($groups)
{
return $groups ? (array) $groups : (array) $this->group;
}
}
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