diff --git a/java_gen/templates/custom/OFPortDesc.java b/java_gen/templates/custom/OFPortDesc.java
new file mode 100644
index 0000000..b2e10eb
--- /dev/null
+++ b/java_gen/templates/custom/OFPortDesc.java
@@ -0,0 +1,20 @@
+
+    /**
+     * Returns true if the port is up, i.e., it's neither administratively
+     * down nor link down. It currently does NOT take STP state into
+     * consideration
+     * @return whether the port is up
+     */
+    public boolean isEnabled() {
+        return (!state.contains(OFPortState.LINK_DOWN) && !config.contains(OFPortConfig.PORT_DOWN));
+    }
+    
+    /**
+     * Return a brief String describing this port containing the port number
+     * and port name
+     * @return a brief description string 
+     */
+    public String toBriefString() {
+        return String.format("%s (%d)", name, portNo);
+    }
+    
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFPortDescVer10.java b/java_gen/templates/custom/OFPortDescVer10.java
new file mode 100644
index 0000000..782a726
--- /dev/null
+++ b/java_gen/templates/custom/OFPortDescVer10.java
@@ -0,0 +1 @@
+//:: include("custom/OFPortDesc.java", msg=msg, has_parent=False)
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFPortDescVer11.java b/java_gen/templates/custom/OFPortDescVer11.java
new file mode 100644
index 0000000..782a726
--- /dev/null
+++ b/java_gen/templates/custom/OFPortDescVer11.java
@@ -0,0 +1 @@
+//:: include("custom/OFPortDesc.java", msg=msg, has_parent=False)
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFPortDescVer12.java b/java_gen/templates/custom/OFPortDescVer12.java
new file mode 100644
index 0000000..782a726
--- /dev/null
+++ b/java_gen/templates/custom/OFPortDescVer12.java
@@ -0,0 +1 @@
+//:: include("custom/OFPortDesc.java", msg=msg, has_parent=False)
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFPortDescVer13.java b/java_gen/templates/custom/OFPortDescVer13.java
new file mode 100644
index 0000000..782a726
--- /dev/null
+++ b/java_gen/templates/custom/OFPortDescVer13.java
@@ -0,0 +1 @@
+//:: include("custom/OFPortDesc.java", msg=msg, has_parent=False)
\ No newline at end of file
diff --git a/java_gen/templates/custom/OFPortDescVer14.java b/java_gen/templates/custom/OFPortDescVer14.java
new file mode 100644
index 0000000..782a726
--- /dev/null
+++ b/java_gen/templates/custom/OFPortDescVer14.java
@@ -0,0 +1 @@
+//:: include("custom/OFPortDesc.java", msg=msg, has_parent=False)
\ No newline at end of file