1 files changed, 4 insertions, 3 deletions
diff --git a/src/main/java/com/juick/service/security/HashParamAuthenticationFilter.java b/src/main/java/com/juick/service/security/HashParamAuthenticationFilter.java
index 9215d09ab..2fd5a2a70 100644
--- a/src/main/java/com/juick/service/security/HashParamAuthenticationFilter.java
+++ b/src/main/java/com/juick/service/security/HashParamAuthenticationFilter.java
@@ -30,6 +30,7 @@ import org.springframework.util.Assert;
 import org.springframework.web.filter.OncePerRequestFilter;
 import org.springframework.web.util.WebUtils;
 
+import javax.annotation.Nonnull;
 import javax.servlet.FilterChain;
 import javax.servlet.ServletException;
 import javax.servlet.http.Cookie;
@@ -59,9 +60,9 @@ public class HashParamAuthenticationFilter extends OncePerRequestFilter {
 
     @Override
     protected void doFilterInternal(
-            HttpServletRequest request,
-            HttpServletResponse response,
-            FilterChain filterChain) throws ServletException, IOException {
+            @Nonnull HttpServletRequest request,
+            @Nonnull HttpServletResponse response,
+            @Nonnull FilterChain filterChain) throws ServletException, IOException {
 
         String hash = getHashFromRequest(request);