Add @global annotation to SecurityHeadersFilter for automatic registration

Author: johanbriger

src/main/java/org/juv25d/filter/SecurityHeadersFilter.java

@@ -1,21 +1,23 @@
 
 package org.juv25d.filter;
 
+import org.juv25d.filter.annotation.Global;
 import org.juv25d.http.HttpRequest;
 import org.juv25d.http.HttpResponse;
 import java.io.IOException;
 
-    /**
-     * Filter som lägger till säkerhetsheaders till varje HTTP-svar.
-     * Detta hjälper till att skydda mot attacker som Clickjacking och MIME-sniffing.
-     */
-    public class SecurityHeadersFilter implements Filter {
-
-        @Override
-        public void doFilter(HttpRequest req, HttpResponse res, FilterChain chain) throws IOException {
-            try {
-                chain.doFilter(req, res);
-            } finally {
+/**
+ * Filter that adds security headers to every HTTP response.
+ * This helps protect against attacks such as Clickjacking and MIME sniffing.
+ */
+@Global(order = 0)
+public class SecurityHeadersFilter implements Filter {
+
+    @Override
+    public void doFilter(HttpRequest req, HttpResponse res, FilterChain chain) throws IOException {
+        try {
+            chain.doFilter(req, res);
+        } finally {
 
                 res.setHeader("X-Content-Type-Options", "nosniff");
                 res.setHeader("X-Frame-Options", "DENY");