java - how to send authorization fields (username and password) -


i new java. trying build api in have send authorization details.

i getting 'bad request' error.

i following link reference: http://www.baeldung.com/how-to-use-resttemplate-with-basic-authentication-in-spring

public <t> string response(string url, httpentity<string> httpentity)               throws exception {             resttemplate resttemplate = new resttemplate();             logger.error("url///////////////////"+url);             logger.error("httpentity///////////////////"+httpentity);                responseentity<string> responseentity =                 //resttemplate.exchange(url, httpmethod.post, httpentity, string.class);              resttemplate.exchange             (url, httpmethod.post, httpentity, string.class);              string responsebody = responseentity.getbody();             logger.error("responsebody///////////////////"+responsebody);             return responsebody;           }     private httpheaders createheaders(string username, string password){        return new httpheaders() {{              string auth = username + ":" + password;              byte[] encodedauth = base64.encodebase64(                  auth.getbytes(charset.forname("us-ascii")) );              string authheader = "basic " + new string( encodedauth );              set( "authorization", authheader );           }};     }      public void response(request request, string url, string requesttype) throws exception {         logger.error("requestbody====>" + request.getto());         stream.of(request.getto()).foreach(system.out::println);         httpheaders httpheaders = createheaders("xxxxx", "xxxxxx!");         httpheaders.setcontenttype(mediatype.application_json);         logger.error("http headers=========>" + httpheaders);         httpentity<string> httpentity = new httpentity<string>(request.tostring(), httpheaders);         logger.error("final http entity=============>" + httpentity.getbody());         try {             infobipresponse(url, httpentity);          } catch (exception e) {             logger.error("exception ", e);         }     }  }


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