InnerAndOuterVlanIDs.java

package net.decix.alu;

/*
 * This file is part of jFlowLib.
 * 
 * Copyright (c) 2015 DE-CIX Management GmbH <http://www.de-cix.net> - All rights
 * reserved.
 * 
 * Author: Thomas King <thomas.king@de-cix.net>
 * 
 * This software is licensed under the Apache License, version 2.0. A copy of 
 * the license agreement is included in this distribution.
 */

public class InnerAndOuterVlanIDs {
	private int mInnerVlanId = 0;
	private int mOuterVlanId = 0;
	
	public InnerAndOuterVlanIDs() {
	}
	
	public int getInnerVlanId() {
		return mInnerVlanId;
	}
	
	public void setInnerVlanId(int innerVlanId) {
		this.mInnerVlanId = innerVlanId;
	}
	
	public int getOuterVlanId() {
		return mOuterVlanId;
	}
	
	public void setOuterVlanId(int outerVlanId) {
		this.mOuterVlanId = outerVlanId;
	}
	
	public String toString() {
		return new String("Inner Vlan ID: " + mInnerVlanId + ", Outer Vlan ID: " + mOuterVlanId);
	}
	
	public static InnerAndOuterVlanIDs parse(int interfaceIndex) {
		InnerAndOuterVlanIDs innerAndOuter = new InnerAndOuterVlanIDs();
		
		int innerVlanId = (interfaceIndex & 0x0000FFFF);
		innerAndOuter.setInnerVlanId(innerVlanId);
		
		int outerVlanId = (interfaceIndex & 0xFFFF0000);
		outerVlanId = (outerVlanId >> 16);
		innerAndOuter.setOuterVlanId(outerVlanId);
		
		return innerAndOuter;
	}
	
	public int toInterfaceIndex() {
		int interfaceIndex = mOuterVlanId << 16;
		interfaceIndex = interfaceIndex | mInnerVlanId;
		return interfaceIndex;
	}
	
	public static void main(String args[]) {
		InnerAndOuterVlanIDs iaovi = new InnerAndOuterVlanIDs();
		iaovi.setInnerVlanId(2);
		iaovi.setOuterVlanId(104);
		System.out.println(iaovi.toInterfaceIndex());
		
		iaovi = InnerAndOuterVlanIDs.parse(1401);
		System.out.println("Inner: " + iaovi.getInnerVlanId());
		System.out.println("Outer: " + iaovi.getOuterVlanId());
		
	}
}