How can I get Response get Body in Observer event?

[khamarpratik]

In Magento 1 I can do the following:

$response = $observer->getEvent()->getControllerAction()->getResponse();
if(!$response) {
   return $this;
 }

$html = $response->getBody(); 

How can I do the same in Magento 2? 

[Dmitry_Fedyuk]

How to get the HTTP response body for the current controller in Magento 2? https://mage2.pro/t/1056

[khamarpratik · Accepted solution]

This is answer for my question 

http://magento.stackexchange.com/questions/108579/how-can-i-get-response-getbody-in-observer-event