java 解析html格式数据转json

status_line: HTTP/1.1 200 OK,
content:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

Error

Error

This page can't be displayed. Contact support for additional information.
The incident ID is: N/A.

以上是我对接的接口返回的信息，要转成json提供给我的客户端。java最好有源码跪谢