diff --git a/src/main/java/net/onrc/onos/core/util/FlowEntryMatch.java b/src/main/java/net/onrc/onos/core/util/FlowEntryMatch.java
new file mode 100644
index 0000000..cc18071
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/util/FlowEntryMatch.java
@@ -0,0 +1,711 @@
+package net.onrc.onos.core.util;
+
+import net.floodlightcontroller.util.MACAddress;
+
+import org.codehaus.jackson.annotate.JsonProperty;
+
+/**
+ * The class representing the Flow Entry Matching filter.
+ *
+ * The Flow Entry matching filter that is used to specify
+ * the network data that would be forwarded on the data path from
+ * the source to the destination. Examples: source or destination MAC address,
+ * IP prefix that includes the destination's IP address, etc.
+ */
+public class FlowEntryMatch {
+    /**
+     * A class for storing a value to match.
+     */
+    public static class Field<T> {
+	/**
+	 * Default constructor.
+	 */
+	public Field() {
+	    this.enabled = false;
+	}
+
+	/**
+	 * Constructor for a given value to match.
+	 *
+	 * @param value the value to match.
+	 */
+	public Field(T value) {
+	    this.value = value;
+	    this.enabled = true;
+	}
+
+	/**
+	 * Get the value.
+	 *
+	 * @return the value.
+	 */
+	public T value() { return this.value; }
+
+	/**
+	 * Enable the matching for a given value.
+	 *
+	 * @param value the value to set.
+	 */
+	public void enableMatch(T value) {
+	    this.value = value;
+	    this.enabled = true;
+	}
+
+	/**
+	 * Disable the matching.
+	 */
+	public void disableMatch() {
+	    this.enabled = false;
+	}
+
+	/**
+	 * Test whether matching is enabled.
+	 *
+	 * @return true if matching is enabled, otherwise false.
+	 */
+	public boolean enabled() { return this.enabled; }
+
+	private T value;		// The value to match
+	private boolean enabled;	// Set to true, if matching is enabled
+    }
+
+    private Field<Port> inPort;		// Matching input switch port
+    private Field<MACAddress> srcMac;	// Matching source MAC address
+    private Field<MACAddress> dstMac;	// Matching destination MAC address
+    private Field<Short> ethernetFrameType; // Matching Ethernet frame type
+    private Field<Short> vlanId;	// Matching VLAN ID
+    private Field<Byte> vlanPriority;	// Matching VLAN priority
+    private Field<IPv4Net> srcIPv4Net;	// Matching source IPv4 prefix
+    private Field<IPv4Net> dstIPv4Net;	// Matching destination IPv4 prefix
+    private Field<Byte> ipProto;	// Matching IP protocol
+    private Field<Byte> ipToS;		// Matching IP ToS (DSCP field, 6 bits)
+    private Field<Short> srcTcpUdpPort;	// Matching source TCP/UDP port
+    private Field<Short> dstTcpUdpPort;	// Matching destination TCP/UDP port
+
+    /**
+     * Default constructor.
+     */
+    public FlowEntryMatch() {
+    }
+
+    /**
+     * Copy constructor.
+     *
+     * @param other the object to copy from.
+     */
+    public FlowEntryMatch(FlowEntryMatch other) {
+	if ((other.inPort != null) && other.inPort.enabled())
+	    this.enableInPort(other.inPort.value());
+	if ((other.srcMac != null) && other.srcMac.enabled())
+	    this.enableSrcMac(other.srcMac.value());
+	if ((other.dstMac != null) && other.dstMac.enabled())
+	    this.enableDstMac(other.dstMac.value());
+	if ((other.ethernetFrameType != null) && other.ethernetFrameType.enabled())
+	    this.enableEthernetFrameType(other.ethernetFrameType.value());
+	if ((other.vlanId != null) && other.vlanId.enabled())
+	    this.enableVlanId(other.vlanId.value());
+	if ((other.vlanPriority != null) && other.vlanPriority.enabled())
+	    this.enableVlanPriority(other.vlanPriority.value());
+	if ((other.srcIPv4Net != null) && other.srcIPv4Net.enabled())
+	    this.enableSrcIPv4Net(other.srcIPv4Net.value());
+	if ((other.dstIPv4Net != null) && other.dstIPv4Net.enabled())
+	    this.enableDstIPv4Net(other.dstIPv4Net.value());
+	if ((other.ipProto != null) && other.ipProto.enabled())
+	    this.enableIpProto(other.ipProto.value());
+	if ((other.ipToS != null) && other.ipToS.enabled())
+	    this.enableIpToS(other.ipToS.value());
+	if ((other.srcTcpUdpPort != null) && other.srcTcpUdpPort.enabled())
+	    this.enableSrcTcpUdpPort(other.srcTcpUdpPort.value());
+	if ((other.dstTcpUdpPort != null) && other.dstTcpUdpPort.enabled())
+	    this.enableDstTcpUdpPort(other.dstTcpUdpPort.value());
+    }
+
+    /**
+     * Get the matching input switch port.
+     *
+     * @return the matching input switch port.
+     */
+    @JsonProperty("inPort")
+    public Port inPort() {
+	if (inPort != null)
+	    return inPort.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on input switch port.
+     *
+     * @param inPort the input switch port value to enable for matching.
+     */
+    @JsonProperty("inPort")
+    public void enableInPort(Port inPort) {
+	this.inPort = new Field<Port>(inPort);
+    }
+
+    /**
+     * Disable the matching on input switch port.
+     */
+    public void disableInPort() {
+	this.inPort = null;
+    }
+
+    /**
+     * Test if matching on input switch port is enabled.
+     *
+     * @return true if matching on input switch port is enabled.
+     */
+    @JsonProperty("matchInPort")
+    public boolean matchInPort() {
+	if (inPort != null)
+	    return inPort.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching source MAC address.
+     *
+     * @return the matching source MAC address.
+     */
+    @JsonProperty("srcMac")
+    public MACAddress srcMac() {
+	if (srcMac != null)
+	    return srcMac.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on source MAC address.
+     *
+     * @param srcMac the source MAC address value to enable for matching.
+     */
+    @JsonProperty("srcMac")
+    public void enableSrcMac(MACAddress srcMac) {
+	this.srcMac = new Field<MACAddress>(srcMac);
+    }
+
+    /**
+     * Disable the matching on source MAC address.
+     */
+    public void disableSrcMac() {
+	this.srcMac = null;
+    }
+
+    /**
+     * Test if matching on source MAC address is enabled.
+     *
+     * @return true if matching on source MAC address is enabled.
+     */
+    @JsonProperty("matchSrcMac")
+    public boolean matchSrcMac() {
+	if (srcMac != null)
+	    return srcMac.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching destination MAC address.
+     *
+     * @return the matching destination MAC address.
+     */
+    @JsonProperty("dstMac")
+    public MACAddress dstMac() {
+	if (dstMac != null)
+	    return dstMac.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on destination MAC address.
+     *
+     * @param dstMac the destination MAC address value to enable for matching.
+     */
+    @JsonProperty("dstMac")
+    public void enableDstMac(MACAddress dstMac) {
+	this.dstMac = new Field<MACAddress>(dstMac);
+    }
+
+    /**
+     * Disable the matching on destination MAC address.
+     */
+    public void disableDstMac() {
+	this.dstMac = null;
+    }
+
+    /**
+     * Test if matching on destination MAC address is enabled.
+     *
+     * @return true if matching on destination MAC address is enabled.
+     */
+    @JsonProperty("matchDstMac")
+    public boolean matchDstMac() {
+	if (dstMac != null)
+	    return dstMac.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching Ethernet frame type.
+     *
+     * @return the matching Ethernet frame type.
+     */
+    @JsonProperty("ethernetFrameType")
+    public Short ethernetFrameType() {
+	if (ethernetFrameType != null)
+	    return ethernetFrameType.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on Ethernet frame type.
+     *
+     * @param ethernetFrameType the Ethernet frame type value to enable for
+     * matching.
+     */
+    @JsonProperty("ethernetFrameType")
+    public void enableEthernetFrameType(Short ethernetFrameType) {
+	this.ethernetFrameType = new Field<Short>(ethernetFrameType);
+    }
+
+    /**
+     * Disable the matching on Ethernet frame type.
+     */
+    public void disableEthernetFrameType() {
+	this.ethernetFrameType = null;
+    }
+
+    /**
+     * Test if matching on Ethernet frame type is enabled.
+     *
+     * @return true if matching on Ethernet frame type is enabled.
+     */
+    @JsonProperty("matchEthernetFrameType")
+    public boolean matchEthernetFrameType() {
+	if (ethernetFrameType != null)
+	    return ethernetFrameType.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching VLAN ID.
+     *
+     * @return the matching VLAN ID.
+     */
+    @JsonProperty("vlanId")
+    public Short vlanId() {
+	if (vlanId != null)
+	    return vlanId.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on VLAN ID.
+     *
+     * @param vlanId the VLAN ID value to enable for matching.
+     */
+    @JsonProperty("vlanId")
+    public void enableVlanId(Short vlanId) {
+	this.vlanId = new Field<Short>(vlanId);
+    }
+
+    /**
+     * Disable the matching on VLAN ID.
+     */
+    public void disableVlanId() {
+	this.vlanId = null;
+    }
+
+    /**
+     * Test if matching on VLAN ID is enabled.
+     *
+     * @return true if matching on VLAN ID is enabled.
+     */
+    @JsonProperty("matchVlanId")
+    public boolean matchVlanId() {
+	if (vlanId != null)
+	    return vlanId.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching VLAN priority.
+     *
+     * @return the matching VLAN priority.
+     */
+    @JsonProperty("vlanPriority")
+    public Byte vlanPriority() {
+	if (vlanPriority != null)
+	    return vlanPriority.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on VLAN priority.
+     *
+     * @param vlanPriority the VLAN priority value to enable for matching.
+     */
+    @JsonProperty("vlanPriority")
+    public void enableVlanPriority(Byte vlanPriority) {
+	this.vlanPriority = new Field<Byte>(vlanPriority);
+    }
+
+    /**
+     * Disable the matching on VLAN priority.
+     */
+    public void disableVlanPriority() {
+	this.vlanPriority = null;
+    }
+
+    /**
+     * Test if matching on VLAN priority is enabled.
+     *
+     * @return true if matching on VLAN priority is enabled.
+     */
+    @JsonProperty("matchVlanPriority")
+    public boolean matchVlanPriority() {
+	if (vlanPriority != null)
+	    return vlanPriority.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching source IPv4 prefix.
+     *
+     * @return the matching source IPv4 prefix.
+     */
+    @JsonProperty("srcIPv4Net")
+    public IPv4Net srcIPv4Net() {
+	if (srcIPv4Net != null)
+	    return srcIPv4Net.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on source IPv4 prefix.
+     *
+     * @param srcIPv4Net the source IPv4 prefix value to enable for matching.
+     */
+    @JsonProperty("srcIPv4Net")
+    public void enableSrcIPv4Net(IPv4Net srcIPv4Net) {
+	this.srcIPv4Net = new Field<IPv4Net>(srcIPv4Net);
+    }
+
+    /**
+     * Disable the matching on source IPv4 prefix.
+     */
+    public void disableSrcIPv4Net() {
+	this.srcIPv4Net = null;
+    }
+
+    /**
+     * Test if matching on source IPv4 prefix is enabled.
+     *
+     * @return true if matching on source IPv4 prefix is enabled.
+     */
+    @JsonProperty("matchSrcIPv4Net")
+    public boolean matchSrcIPv4Net() {
+	if (srcIPv4Net != null)
+	    return srcIPv4Net.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching destination IPv4 prefix.
+     *
+     * @return the matching destination IPv4 prefix.
+     */
+    @JsonProperty("dstIPv4Net")
+    public IPv4Net dstIPv4Net() {
+	if (dstIPv4Net != null)
+	    return dstIPv4Net.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on destination IPv4 prefix.
+     *
+     * @param dstIPv4Net the destination IPv4 prefix value to enable for
+     * matching.
+     */
+    @JsonProperty("dstIPv4Net")
+    public void enableDstIPv4Net(IPv4Net dstIPv4Net) {
+	this.dstIPv4Net = new Field<IPv4Net>(dstIPv4Net);
+    }
+
+    /**
+     * Disable the matching on destination IPv4 prefix.
+     */
+    public void disableDstIPv4Net() {
+	this.dstIPv4Net = null;
+    }
+
+    /**
+     * Test if matching on destination IPv4 prefix is enabled.
+     *
+     * @return true if matching on destination IPv4 prefix is enabled.
+     */
+    @JsonProperty("matchDstIPv4Net")
+    public boolean matchDstIPv4Net() {
+	if (dstIPv4Net != null)
+	    return dstIPv4Net.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching IP protocol.
+     *
+     * @return the matching IP protocol.
+     */
+    @JsonProperty("ipProto")
+    public Byte ipProto() {
+	if (ipProto != null)
+	    return ipProto.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on IP protocol.
+     *
+     * @param ipProto the IP protocol value to enable for matching.
+     */
+    @JsonProperty("ipProto")
+    public void enableIpProto(Byte ipProto) {
+	this.ipProto = new Field<Byte>(ipProto);
+    }
+
+    /**
+     * Disable the matching on IP protocol.
+     */
+    public void disableIpProto() {
+	this.ipProto = null;
+    }
+
+    /**
+     * Test if matching on IP protocol is enabled.
+     *
+     * @return true if matching on IP protocol is enabled.
+     */
+    @JsonProperty("matchIpProto")
+    public boolean matchIpProto() {
+	if (ipProto != null)
+	    return ipProto.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching IP ToS (DSCP field, 6 bits)
+     *
+     * @return the matching IP ToS.
+     */
+    @JsonProperty("ipToS")
+    public Byte ipToS() {
+	if (ipToS != null)
+	    return ipToS.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on IP ToS (DSCP field, 6 bits).
+     *
+     * @param ipToS the IP ToS value to enable for matching.
+     */
+    @JsonProperty("ipToS")
+    public void enableIpToS(Byte ipToS) {
+	this.ipToS = new Field<Byte>(ipToS);
+    }
+
+    /**
+     * Disable the matching on IP ToS (DSCP field, 6 bits).
+     */
+    public void disableIpToS() {
+	this.ipToS = null;
+    }
+
+    /**
+     * Test if matching on IP ToS (DSCP field, 6 bits) is enabled.
+     *
+     * @return true if matching on IP ToS is enabled.
+     */
+    @JsonProperty("matchIpToS")
+    public boolean matchIpToS() {
+	if (ipToS != null)
+	    return ipToS.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching source TCP/UDP port.
+     *
+     * @return the matching source TCP/UDP port.
+     */
+    @JsonProperty("srcTcpUdpPort")
+    public Short srcTcpUdpPort() {
+	if (srcTcpUdpPort != null)
+	    return srcTcpUdpPort.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on source TCP/UDP port.
+     *
+     * @param srcTcpUdpPort the source TCP/UDP port to enable for matching.
+     */
+    @JsonProperty("srcTcpUdpPort")
+    public void enableSrcTcpUdpPort(Short srcTcpUdpPort) {
+	this.srcTcpUdpPort = new Field<Short>(srcTcpUdpPort);
+    }
+
+    /**
+     * Disable the matching on source TCP/UDP port.
+     */
+    public void disableSrcTcpUdpPort() {
+	this.srcTcpUdpPort = null;
+    }
+
+    /**
+     * Test if matching on source TCP/UDP port is enabled.
+     *
+     * @return true if matching on source TCP/UDP port is enabled.
+     */
+    @JsonProperty("matchSrcTcpUdpPort")
+    public boolean matchSrcTcpUdpPort() {
+	if (srcTcpUdpPort != null)
+	    return srcTcpUdpPort.enabled();
+	return false;
+    }
+
+    /**
+     * Get the matching destination TCP/UDP port.
+     *
+     * @return the matching destination TCP/UDP port.
+     */
+    @JsonProperty("dstTcpUdpPort")
+    public Short dstTcpUdpPort() {
+	if (dstTcpUdpPort != null)
+	    return dstTcpUdpPort.value();
+	return null;
+    }
+
+    /**
+     * Enable the matching on destination TCP/UDP port.
+     *
+     * @param dstTcpUdpPort the destination TCP/UDP port to enable for
+     * matching.
+     */
+    @JsonProperty("dstTcpUdpPort")
+    public void enableDstTcpUdpPort(Short dstTcpUdpPort) {
+	this.dstTcpUdpPort = new Field<Short>(dstTcpUdpPort);
+    }
+
+    /**
+     * Disable the matching on destination TCP/UDP port.
+     */
+    public void disableDstTcpUdpPort() {
+	this.dstTcpUdpPort = null;
+    }
+
+    /**
+     * Test if matching on destination TCP/UDP port is enabled.
+     *
+     * @return true if matching on destination TCP/UDP port is enabled.
+     */
+    @JsonProperty("matchDstTcpUdpPort")
+    public boolean matchDstTcpUdpPort() {
+	if (dstTcpUdpPort != null)
+	    return dstTcpUdpPort.enabled();
+	return false;
+    }
+
+    /**
+     * Convert the matching filter to a string.
+     *
+     * The string has the following form:
+     *  [srcMac=XXX dstMac=XXX srcIPv4Net=XXX dstIPv4Net=XXX]
+     *
+     * @return the matching filter as a string.
+     */
+    @Override
+    public String toString() {
+	String ret = "[";
+	boolean addSpace = false;
+
+	//
+	// Conditionally add only those matching fields that are enabled
+	//
+	if (matchInPort()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "inPort=" + this.inPort().toString();
+	}
+	if (matchSrcMac()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "srcMac=" + this.srcMac().toString();
+	}
+	if (matchDstMac()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "dstMac=" + this.dstMac().toString();
+	}
+	if (matchEthernetFrameType()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "ethernetFrameType=" + this.ethernetFrameType().toString();
+	}
+	if (matchVlanId()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "vlanId=" + this.vlanId().toString();
+	}
+	if (matchVlanPriority()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "vlanPriority=" + this.vlanPriority().toString();
+	}
+	if (matchSrcIPv4Net()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "srcIPv4Net=" + this.srcIPv4Net().toString();
+	}
+	if (matchDstIPv4Net()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "dstIPv4Net=" + this.dstIPv4Net().toString();
+	}
+	if (matchIpProto()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "ipProto=" + this.ipProto().toString();
+	}
+	if (matchIpToS()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "ipToS=" + this.ipToS().toString();
+	}
+	if (matchSrcTcpUdpPort()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "srcTcpUdpPort=" + this.srcTcpUdpPort().toString();
+	}
+	if (matchDstTcpUdpPort()) {
+	    if (addSpace)
+		ret += " ";
+	    addSpace = true;
+	    ret += "dstTcpUdpPort=" + this.dstTcpUdpPort().toString();
+	}
+
+	ret += "]";
+
+	return ret;
+    }
+}