import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
-import org.apache.shiro.authc.BearerToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.authz.AuthorizationInfo;
import org.onap.ccsdk.features.sdnr.wt.oauthprovider.data.InvalidConfigurationException;
import org.onap.ccsdk.features.sdnr.wt.oauthprovider.providers.TokenCreator;
import org.opendaylight.aaa.api.shiro.principal.ODLPrincipal;
+import org.apache.shiro.authc.BearerToken;
import org.opendaylight.aaa.shiro.realm.TokenAuthRealm;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;