Sulu\Bundle\DocumentManagerBundle\Bridge\DocumentInspector::getLocale PHP Method

    public function getLocale($document)
    {
        if ($document instanceof LocaleBehavior) {
            return $document->getLocale();
        }
        if ($this->documentRegistry->hasDocument($document)) {
            return $this->documentRegistry->getLocaleForDocument($document);
        }
        return;
    }

 /**
  * {@inheritDoc}
  */
 public function getProperty($name)
 {
     $this->init();
     if (isset($this->properties[$name])) {
         return $this->properties[$name];
     }
     if (!$this->node) {
         $this->node = $this->inspector->getNode($this->document);
     }
     $structureProperty = $this->structureMetadata->getProperty($name);
     $contentTypeName = $structureProperty->getType();
     $bridge = new StructureBridge($this->structureMetadata, $this->inspector, $this->legacyPropertyFactory, $this->document);
     if ($structureProperty->isLocalized()) {
         $locale = $this->inspector->getLocale($this->document);
         $property = $this->legacyPropertyFactory->createTranslatedProperty($structureProperty, $locale, $bridge);
     } else {
         $property = $this->legacyPropertyFactory->createProperty($structureProperty);
     }
     $this->legacyProperties[$name] = $property;
     $property->setStructure($bridge);
     $contentType = $this->contentTypeManager->get($contentTypeName);
     $contentType->read($this->node, $property, null, null, null);
     $valueProperty = new PropertyValue($name, $property->getValue());
     $this->properties[$name] = $valueProperty;
     return $valueProperty;
 }