diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/OFMessageWriter.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/OFMessageWriter.java
new file mode 100644
index 0000000..bec5634
--- /dev/null
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/protocol/OFMessageWriter.java
@@ -0,0 +1,8 @@
+package org.projectfloodlight.openflow.protocol;
+
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.projectfloodlight.openflow.exceptions.OFParseError;
+
+public interface OFMessageWriter<T> {
+    public void write(ChannelBuffer bb, T message) throws OFParseError;
+}