java - issue with OAuth2 oltu -


i working on securing our rest api's oauth2. code have written not complete code, testing it..

using below code making token request.

public class oauthclientmine {   public static void main (string args[]) throws oauthsystemexception, ioexception, oauthproblemexception{     gettoken(); }    public static void gettoken() throws oauthsystemexception, ioexception, oauthproblemexception{     oauthclientrequest request = oauthclientrequest             .tokenlocation("http://localhost:8080/xina/webapi/token")             .setgranttype(granttype.authorization_code)             .setclientid("xina_client")             .setclientsecret("xinaisawesome")             .setcode("xyxyxy")             .setusername("john")             .setredirecturi("http://localhost:8080/xina/webapi/token")             .setpassword("password")             .buildquerymessage();            oauthclient oauthclient = new oauthclient(new urlconnectionclient());            oauthaccesstokenresponse oauthresponse = oauthclient.accesstoken(request);           final oauthaccesstokenresponse oauthresponse = oauthclient.accesstoken(request);             system.out.println(oauthresponse.getaccesstoken());     system.out.println(oauthresponse.getexpiresin());            system.out.println( request.getlocationuri());   }}

once token request received validating client details , send authorized token using below code.

@path("/token") public class authorizeclient {   @post @consumes("application/x-www-form-urlencoded") @produces("application/json") public response gettoken(@context httpservletrequest  tokenrequest) throws oauthsystemexception, oauthproblemexception{          //oauthtokenrequest oauthrequest = new oauthtokenrequest(tokenrequest);     system.out.println(     request.getclass());             oauthissuer oauthissuerimpl = new oauthissuerimpl(new md5generator());           oauthresponse response = oauthasresponse             .tokenresponse(httpservletresponse.sc_ok)             .setaccesstoken(oauthissuerimpl.accesstoken())             .setexpiresin("3600")             .buildjsonmessage();             return response.status(response.getresponsestatus())             .entity(response.getbody())             .build(); }}

but issue facing request tokenrequest null, not sure how can intercept client details before sending token


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