fix: [#26]

Author: pen4uin

jmg-core/src/main/java/jmg/core/template/ResinFilterInjectorTpl.java

@@ -57,7 +57,7 @@ private void addFilter(Object context, Object filter) throws Exception {
                 invokeMethod(filterMappingImpl, "setFilterName", new Class[]{String.class}, new Object[]{getFilterName(filterClassName)});
                 invokeMethod(filterMappingImpl, "setFilterClass", new Class[]{String.class}, new Object[]{filterClassName});
                 Object urlPattern = invokeMethod(filterMappingImpl, "createUrlPattern");
-                invokeMethod(urlPattern, "addText", new Class[]{String.class}, new Object[]{urlPattern});
+                invokeMethod(urlPattern, "addText", new Class[]{String.class}, new Object[]{getUrlPattern()});
                 invokeMethod(urlPattern, "init");
                 invokeMethod(context, "addFilterMapping", new Class[]{filterMappingClass}, new Object[]{filterMappingImpl});
                 invokeMethod(context, "clearCache");