private HandlerContext getHandlerRequestAndResponse(HTTPContext httpContext, IssuerInfoHolder issuerInfo,
String responseString) throws Exception {
ResponseType responseType = getResponseTypeFromString(responseString);
SAML2Response saml2Response = new SAML2Response();
Document doc = saml2Response.convert(responseType);
SAMLDocumentHolder docHolder = new SAMLDocumentHolder(responseType, doc);
SAML2HandlerRequest request = new DefaultSAML2HandlerRequest(httpContext, issuerInfo.getIssuer(), docHolder,
SAML2Handler.HANDLER_TYPE.SP);
SAML2HandlerResponse response = new DefaultSAML2HandlerResponse();