/*******************************************************************************
 * Copyright 2014 Open Networking Laboratory
 *
 * 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.
 ******************************************************************************/
/**
 *    Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior
 *    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.
 **/

/**
 * @author David Erickson (daviderickson@cs.stanford.edu) - Mar 11, 2010
 */
package org.openflow.protocol.action;

import org.jboss.netty.buffer.ChannelBuffer;

/**
 * Represents an ofp_action_strip_vlan
 *
 * @author David Erickson (daviderickson@cs.stanford.edu) - Mar 11, 2010
 */
public class OFActionStripVirtualLan extends OFAction {
    public static int MINIMUM_LENGTH = 8;

    public OFActionStripVirtualLan() {
        super();
        super.setType(OFActionType.STRIP_VLAN);
        super.setLength((short) OFActionStripVirtualLan.MINIMUM_LENGTH);
    }

    @Override
    public void readFrom(final ChannelBuffer data) {
        super.readFrom(data);
        // PAD
        data.readInt();
    }

    @Override
    public void writeTo(final ChannelBuffer data) {
        super.writeTo(data);
        // PAD
        data.writeInt(0);
    }

    @Override
    public String toString() {
        final StringBuilder builder = new StringBuilder();
        builder.append(this.type);
        return builder.toString();
    }
}
