diff --git a/openflow/api/src/main/java/org/onlab/onos/openflow/controller/DefaultOpenFlowPacketContext.java b/openflow/api/src/main/java/org/onlab/onos/openflow/controller/DefaultOpenFlowPacketContext.java
new file mode 100644
index 0000000..f419d24
--- /dev/null
+++ b/openflow/api/src/main/java/org/onlab/onos/openflow/controller/DefaultOpenFlowPacketContext.java
@@ -0,0 +1,120 @@
+package org.onlab.onos.openflow.controller;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.util.Collections;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.onlab.packet.Ethernet;
+import org.projectfloodlight.openflow.protocol.OFPacketIn;
+import org.projectfloodlight.openflow.protocol.OFPacketOut;
+import org.projectfloodlight.openflow.protocol.action.OFAction;
+import org.projectfloodlight.openflow.protocol.action.OFActionOutput;
+import org.projectfloodlight.openflow.protocol.match.MatchField;
+import org.projectfloodlight.openflow.types.OFBufferId;
+import org.projectfloodlight.openflow.types.OFPort;
+import org.slf4j.Logger;
+
+public final class DefaultOpenFlowPacketContext implements OpenFlowPacketContext {
+
+    private final Logger log = getLogger(getClass());
+
+    private final AtomicBoolean free = new AtomicBoolean(true);
+    private final AtomicBoolean isBuilt = new AtomicBoolean(false);
+    private final OpenFlowSwitch sw;
+    private final OFPacketIn pktin;
+    private OFPacketOut pktout = null;
+
+    private DefaultOpenFlowPacketContext(OpenFlowSwitch s, OFPacketIn pkt) {
+        this.sw = s;
+        this.pktin = pkt;
+    }
+
+    @Override
+    public void send() {
+        if (block() && isBuilt.get()) {
+            sw.sendMsg(pktout);
+        }
+    }
+
+    @Override
+    public void build(OFPort outPort) {
+        if (isBuilt.getAndSet(true)) {
+            return;
+        }
+        OFPacketOut.Builder builder = sw.factory().buildPacketOut();
+        OFAction act = buildOutput(outPort.getPortNumber());
+        pktout = builder.setXid(pktin.getXid())
+                .setInPort(pktin.getInPort())
+                .setBufferId(pktin.getBufferId())
+                .setActions(Collections.singletonList(act))
+                .build();
+    }
+
+    @Override
+    public void build(Ethernet ethFrame, OFPort outPort) {
+        if (isBuilt.getAndSet(true)) {
+            return;
+        }
+        OFPacketOut.Builder builder = sw.factory().buildPacketOut();
+        OFAction act = buildOutput(outPort.getPortNumber());
+        pktout = builder.setXid(pktin.getXid())
+                .setBufferId(OFBufferId.NO_BUFFER)
+                .setInPort(pktin.getInPort())
+                .setActions(Collections.singletonList(act))
+                .setData(ethFrame.serialize())
+                .build();
+    }
+
+    @Override
+    public Ethernet parsed() {
+        Ethernet eth = new Ethernet();
+        eth.deserialize(pktin.getData(), 0, pktin.getTotalLen());
+        return eth;
+    }
+
+    @Override
+    public Dpid dpid() {
+        return new Dpid(sw.getId());
+    }
+
+    public static OpenFlowPacketContext packetContextFromPacketIn(OpenFlowSwitch s,
+            OFPacketIn pkt) {
+        return new DefaultOpenFlowPacketContext(s, pkt);
+    }
+
+    @Override
+    public Integer inPort() {
+        try {
+            return pktin.getInPort().getPortNumber();
+        } catch (UnsupportedOperationException e) {
+            return pktin.getMatch().get(MatchField.IN_PORT).getPortNumber();
+        }
+    }
+
+    @Override
+    public byte[] unparsed() {
+
+        return pktin.getData().clone();
+
+    }
+
+    private OFActionOutput buildOutput(Integer port) {
+        OFActionOutput act = sw.factory().actions()
+                .buildOutput()
+                .setPort(OFPort.of(port))
+                .build();
+        return act;
+    }
+
+    @Override
+    public boolean block() {
+        return free.getAndSet(false);
+    }
+
+    @Override
+    public boolean isHandled() {
+        return !free.get();
+    }
+
+}