/**
*    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.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;
    }
}