added further logging to tokenauthfilter

chatto/src/main/java/org/ros/chatto/security/TokenAuthenticationFilter.java

@@ -29,7 +29,6 @@ import org.springframework.security.core.token.TokenService;
 import org.springframework.stereotype.Component;
 import org.springframework.web.filter.OncePerRequestFilter;
 
-
 @Component
 public class TokenAuthenticationFilter extends OncePerRequestFilter {
 
@@ -130,9 +129,9 @@ public class TokenAuthenticationFilter extends OncePerRequestFilter {
 					throw new BadCredentialsException("User not found");
 				}
 
-				System.out.println("Timeout duration = " + tokenTimeoutDuration);
+				logger.info("Timeout duration = " + tokenTimeoutDuration);
 				boolean isTokenExpired = isTokenExpired(userToken);
-				System.out.println("expired? " + isTokenExpired);
+				logger.info(String.format("Token for %s is expired? %s", userToken.getUserName(), isTokenExpired));
 				if (!isTokenExpired) {
 					userToken.setCreationTime(Instant.now());
 					userTokenService.saveToken(userToken);