1 files changed, 25 insertions, 0 deletions
diff --git a/juick-server/src/main/java/com/mitchellbosecke/pebble/extension/filters/TimestampFilter.java b/juick-server/src/main/java/com/mitchellbosecke/pebble/extension/filters/TimestampFilter.java
new file mode 100644
index 00000000..5f98c167
--- /dev/null
+++ b/juick-server/src/main/java/com/mitchellbosecke/pebble/extension/filters/TimestampFilter.java
@@ -0,0 +1,25 @@
+package com.mitchellbosecke.pebble.extension.filters;
+
+import com.mitchellbosecke.pebble.extension.Filter;
+import com.mitchellbosecke.pebble.template.EvaluationContext;
+import com.mitchellbosecke.pebble.template.PebbleTemplate;
+
+import java.time.Instant;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
+public class TimestampFilter implements Filter {
+    @Override
+    public Object apply(Object input, Map<String, Object> args, PebbleTemplate self, EvaluationContext context, int lineNumber) {
+        if (input instanceof Instant) {
+            return Date.from((Instant)input);
+        }
+        throw new IllegalArgumentException("invalid input");
+    }
+
+    @Override
+    public List<String> getArgumentNames() {
+        return null;
+    }
+}