Renamed registry and packet packages

net.onrc.onos.registry.controller.* => net.onrc.onos.core.registry.*
net.onrc.onos.packet => net.onrc.onos.core.packet

Change-Id: I595e325a2c0bab709f248dde5d84ff7b6185cf8b
diff --git a/src/main/java/net/onrc/onos/core/packet/Data.java b/src/main/java/net/onrc/onos/core/packet/Data.java
new file mode 100644
index 0000000..e8617ad
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/packet/Data.java
@@ -0,0 +1,94 @@
+/**
+*    Copyright 2011, Big Switch Networks, Inc. 
+*    Originally created by David Erickson, Stanford University
+* 
+*    Licensed under the Apache License, Version 2.0 (the "License"); you may
+*    not use this file except in compliance with the License. You may obtain
+*    a copy of the License at
+*
+*         http://www.apache.org/licenses/LICENSE-2.0
+*
+*    Unless required by applicable law or agreed to in writing, software
+*    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+*    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+*    License for the specific language governing permissions and limitations
+*    under the License.
+**/
+
+package net.onrc.onos.core.packet;
+
+import java.util.Arrays;
+
+/**
+ *
+ * @author David Erickson (daviderickson@cs.stanford.edu)
+ */
+public class Data extends BasePacket {
+    protected byte[] data;
+
+    /**
+     * 
+     */
+    public Data() {
+    }
+
+    /**
+     * @param data
+     */
+    public Data(byte[] data) {
+        this.data = data;
+    }
+
+    /**
+     * @return the data
+     */
+    public byte[] getData() {
+        return data;
+    }
+
+    /**
+     * @param data the data to set
+     */
+    public Data setData(byte[] data) {
+        this.data = data;
+        return this;
+    }
+
+    public byte[] serialize() {
+        return this.data;
+    }
+
+    @Override
+    public IPacket deserialize(byte[] data, int offset, int length) {
+        this.data = Arrays.copyOfRange(data, offset, data.length);
+        return this;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#hashCode()
+     */
+    @Override
+    public int hashCode() {
+        final int prime = 1571;
+        int result = super.hashCode();
+        result = prime * result + Arrays.hashCode(data);
+        return result;
+    }
+
+    /* (non-Javadoc)
+     * @see java.lang.Object#equals(java.lang.Object)
+     */
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (!super.equals(obj))
+            return false;
+        if (!(obj instanceof Data))
+            return false;
+        Data other = (Data) obj;
+        if (!Arrays.equals(data, other.data))
+            return false;
+        return true;
+    }
+}