Add lib wrapper for UUID validation.

Author: nikolaevas

app/etc/di.xml

@@ -167,6 +167,7 @@
     <preference for="Magento\Framework\EntityManager\MapperInterface" type="Magento\Framework\EntityManager\CompositeMapper"/>
     <preference for="Magento\Framework\Console\CommandListInterface" type="Magento\Framework\Console\CommandList"/>
     <preference for="Magento\Framework\DataObject\IdentityGeneratorInterface" type="Magento\Framework\DataObject\IdentityService" />
+    <preference for="Magento\Framework\DataObject\IdentityValidatorInterface" type="Magento\Framework\DataObject\IdentityValidator" />
     <preference for="Magento\Framework\Serialize\SerializerInterface" type="Magento\Framework\Serialize\Serializer\Json" />
     <preference for="Magento\Framework\App\Scope\ValidatorInterface" type="Magento\Framework\App\Scope\Validator"/>
     <preference for="Magento\Framework\App\ScopeResolverInterface" type="Magento\Framework\App\ScopeResolver" />

lib/internal/Magento/Framework/DataObject/IdentityValidator.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Framework\DataObject;
+
+use Ramsey\Uuid\Uuid;
+
+/**
+ * Class IdentityValidator
+ */
+class IdentityValidator implements IdentityValidatorInterface
+{
+    /**
+     * @inheritDoc
+     */
+    public function isValid($value)
+    {
+        $isValid = Uuid::isValid($value);
+        return $isValid;
+    }
+}

lib/internal/Magento/Framework/DataObject/IdentityValidatorInterface.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Framework\DataObject;
+
+/**
+ * Interface IdentityValidatorInterface
+ */
+interface IdentityValidatorInterface
+{
+    /**
+     * Checks if uuid is valid
+     *
+     * @param string $value
+     *
+     * @return string
+     */
+    public function isValid($value);
+}