protected function _parseData()
	{
		//An alternative would be to use Zend_Json::decode(...)
		$data = json_decode($this->_response->getBody());

		// check that we receive a valid JSON response - we should never receive a null
		if ($data === null)
		{
			throw new Apache_Solr_ParserException('Solr response does not appear to be valid JSON, please examine the raw response with getRawResponse() method');
		}

		//if we're configured to collapse single valued arrays or to convert them to Apache_Solr_Document objects
		//and we have response documents, then try to collapse the values and / or convert them now
		if (($this->_createDocuments || $this->_collapseSingleValueArrays) && isset($data->response) && is_array($data->response->docs))
		{
			$documents = array();

			foreach ($data->response->docs as $originalDocument)
			{
				if ($this->_createDocuments)
				{
					$document = new Apache_Solr_Document();
				}
				else
				{
					$document = $originalDocument;
				}

				foreach ($originalDocument as $key => $value)
				{
					//If a result is an array with only a single
					//value then its nice to be able to access
					//it as if it were always a single value
					if ($this->_collapseSingleValueArrays && is_array($value) && count($value) <= 1)
					{
						$value = array_shift($value);
					}

					$document->$key = $value;
				}

				$documents[] = $document;
			}

			$data->response->docs = $documents;
		}

		$this->_parsedData = $data;
	}