Moved pure ONOS code in net.floodlightcontroller.util to onos package namespace
diff --git a/src/main/java/net/onrc/onos/ofcontroller/util/IPv6.java b/src/main/java/net/onrc/onos/ofcontroller/util/IPv6.java
new file mode 100644
index 0000000..2855a46
--- /dev/null
+++ b/src/main/java/net/onrc/onos/ofcontroller/util/IPv6.java
@@ -0,0 +1,105 @@
+package net.onrc.onos.ofcontroller.util;
+
+import org.openflow.util.HexString;
+import net.floodlightcontroller.util.serializers.IPv6Deserializer;
+import net.floodlightcontroller.util.serializers.IPv6Serializer;
+
+import org.codehaus.jackson.annotate.JsonProperty;
+import org.codehaus.jackson.map.annotate.JsonDeserialize;
+import org.codehaus.jackson.map.annotate.JsonSerialize;
+
+/**
+ * The class representing an IPv6 address.
+ */
+@JsonDeserialize(using=IPv6Deserializer.class)
+@JsonSerialize(using=IPv6Serializer.class)
+public class IPv6 {
+    private long valueHigh;	// The higher (more significant) 64 bits
+    private long valueLow;	// The lower (less significant) 64 bits
+
+    /**
+     * Default constructor.
+     */
+    public IPv6() {
+	this.valueHigh = 0;
+	this.valueLow = 0;
+    }
+
+    /**
+     * Constructor from integer values.
+     *
+     * @param valueHigh the higher (more significant) 64 bits of the address.
+     * @param valueLow the lower (less significant) 64 bits of the address.
+     */
+    public IPv6(long valueHigh, long valueLow) {
+	this.valueHigh = valueHigh;
+	this.valueLow = valueLow;
+    }
+
+    /**
+     * Constructor from a string.
+     *
+     * @param value the value to use.
+     */
+    public IPv6(String value) {
+	// TODO: Implement it!
+	this.valueHigh = 0;
+	this.valueLow = 0;
+    }
+
+    /**
+     * Get the value of the higher (more significant) 64 bits of the address.
+     *
+     * @return the value of the higher (more significant) 64 bits of the
+     * address.
+     */
+    public long valueHigh() { return valueHigh; }
+
+    /**
+     * Set the value of the higher (more significant) 64 bits of the address.
+     *
+     * @param valueHigh the higher (more significant) 64 bits of the address.
+     */
+    public void setValueHigh(long valueHigh) {
+	this.valueHigh = valueHigh;
+    }
+
+    /**
+     * Get the value of the lower (less significant) 64 bits of the address.
+     *
+     * @return the value of the lower (less significant) 64 bits of the
+     * address.
+     */
+    public long valueLow() { return valueLow; }
+
+    /**
+     * Get the value of the lower (less significant) 64 bits of the address.
+     *
+     * @param valueLow the lower (less significant) 64 bits of the address.
+     */
+    public void setValueLow(long valueLow) {
+	this.valueLow = valueLow;
+    }
+
+    /**
+     * Set the value of the IPv6 address.
+     *
+     * @param valueHigh the higher (more significant) 64 bits of the address.
+     * @param valueLow the lower (less significant) 64 bits of the address.
+     */
+    public void setValue(long valueHigh, long valueLow) {
+	this.valueHigh = valueHigh;
+	this.valueLow = valueLow;
+    }
+
+    /**
+     * Convert the IPv6 value to a ':' separated string.
+     *
+     * @return the IPv6 value as a ':' separated string.
+     */
+    @Override
+    public String toString() {
+	return HexString.toHexString(this.valueHigh) + ":" +
+	    HexString.toHexString(this.valueLow);
+    }
+}