String challenge2 = "Digest realm=\"realm2\", nonce=\"123546\"";
Credentials cred = new UsernamePasswordCredentials("username","password");
Credentials cred2 = new UsernamePasswordCredentials("uname2","password2");
Header authChallenge = new BasicHeader(AUTH.WWW_AUTH, challenge1);
HttpRequest request = new BasicHttpRequest("Simple", "/");
DigestScheme authscheme = new DigestScheme();
authscheme.processChallenge(authChallenge);
Header authResponse = authscheme.authenticate(cred, request);
Map<String, String> table = parseAuthResponse(authResponse);