java - How to extract content of attached mail in pst using apache TIKA -

i want extract content of mail attached mail in pst using apache tika. when parsing pst, x-tika:content key of metadata attached mail didnt have body of mail. how can extract body content of attached mail ? here code:

public void parsepstfile(file file) throws ioexception, tikaexception, org.xml.sax.saxexception  {     parser p = new autodetectparser();     recursiveparserwrapper wrapper = new recursiveparserwrapper(p,             new basiccontenthandlerfactory(                     basiccontenthandlerfactory.handler_type.xml, -1));      inputstream stream = tikainputstream.get(file);     parsecontext context = new parsecontext();      wrapper.parse(stream, new defaulthandler(), new metadata(), context);      (metadata metadata : wrapper.getmetadata()) {              (string name : metadata.names()) {                  (string value : metadata.getvalues(name)) {                     if (name.equalsignorecase("message-from"))                         //set value in required object                     if ("x-tika:content".equalsignorecase(name)) {                     //here extracting message body                         autodetectparser parser = new autodetectparser();                         contenthandler texthandler = new bodycontenthandler();                         metadata xmetadata = new metadata();                         inputstream inputstream = new bytearrayinputstream(value.getbytes("utf-8"));                         new htmlparser().parse(inputstream,texthandler,xmetadata,new parsecontext());                         //set value of texthandler.tostring()in required object                     }                 }              }          }      }