diff --git a/java_gen/java_code_gen.py b/java_gen/java_code_gen.py
new file mode 100644
index 0000000..91c89a7
--- /dev/null
+++ b/java_gen/java_code_gen.py
@@ -0,0 +1,68 @@
+import of_g
+import pdb
+import os
+
+import lang_java
+
+import loxi_utils.loxi_utils as loxi_utils
+
+import java_gen.msgs as msgs
+import java_gen.java_utils as java_utils
+
+def gen_all_java(out, name):
+    """ Generate all of the java files
+
+    @param out is an open file handle to a file called README
+    @param name should be 'README' and is ignored for the java
+        driver
+    """
+    messages = list()
+    actions = list()
+    instructions = list()
+    matches = list()
+    stat_types = list()
+    queue_prop = list()
+    lists = list()
+    for cls in of_g.unified:
+        print "! Classifying %s" % cls
+        if cls in [ 'of_stats_reply', 'of_flow_mod', 'of_stats_request' ] :
+            continue # doesn't work?!
+        if loxi_utils.class_is_stats_message(cls):
+            stat_types.append(cls)
+        elif loxi_utils.class_is_message(cls):
+            messages.append(cls)
+        elif loxi_utils.class_is_action(cls):
+            actions.append(cls)
+        elif loxi_utils.class_is_instruction(cls):
+            instructions.append(cls)
+        elif loxi_utils.class_is_oxm(cls):
+            matches.append(cls)
+        elif loxi_utils.class_is_queue_prop(cls):
+            queue_prop.append(cls)
+        elif loxi_utils.class_is_list(cls):
+            lists.append(cls)
+        else:
+            print "Skipping Unknown class object %s" % str(cls)
+    print "Parsed "
+    print "  Messages: %d" % len(messages)
+    print "  Actions: %d" % len(actions)
+    print "  Instructions: %d" % len(instructions)
+    print "  OXM matches: %d" % len(matches)
+    print "  Stat types: %d" % len(stat_types)
+    print "  Queue properties: %d" % len(queue_prop)
+    print "  Lists: %d" % len(lists)
+    target_dir='loxi_output/openflowj'
+    basedir="%s/%s/" % (
+            target_dir,
+            lang_java.file_to_subdir_map['base_java'])
+    srcdir = "%s/src/main/java/org/openflow/protocol" % basedir
+    print "Outputting to %s" % basedir
+    if not os.path.exists(basedir):
+        os.makedirs(basedir)
+    java_utils.copy_prewrite_tree(basedir)
+    msgs.create_message_interfaces(messages,srcdir)
+    msgs.create_message_by_version(messages,srcdir)
+    msgs.create_of_type_enum(messages,srcdir)
+    with open('README.java-lang') as readme_src:
+        out.writelines(readme_src.readlines())
+    out.close()