Java tutorial
/* * Copyright (c) 2015 Mahesh Govind and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.capwap.msgelements.subelem; import io.netty.buffer.ByteBuf; import org.opendaylight.capwap.ODLCapwapMessageElement; import org.opendaylight.capwap.utils.ByteManager; /** * Created by flat on 16/04/16. * 0 1 2 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |Resvd| WBID | Encryption Capabilities | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */ public class EncryptionSubElement implements ODLCapwapMessageElement { byte wbid = 0; int encryptioCapability = 0; public EncryptionSubElement(byte wbid, int encryptioCapability) { this.wbid = wbid; this.encryptioCapability = encryptioCapability; } public byte getWbid() { return wbid; } public void setWbid(byte wbid) { this.wbid = wbid; } public int getEncryptioCapability() { return encryptioCapability; } public void setEncryptioCapability(int encryptioCapability) { this.encryptioCapability = encryptioCapability; } @Override public boolean equals(Object o) { if (o == this) { return true; } if (!(o instanceof EncryptionSubElement)) { return false; } if ((wbid == ((EncryptionSubElement) o).getWbid()) && (encryptioCapability == ((EncryptionSubElement) o).getEncryptioCapability())) { return true; } return false; } @Override public int encode(ByteBuf buf) { int start = buf.writerIndex(); //encode Resvd //encode WBID wbid = (byte) (wbid & 0b00011111); buf.writeByte(wbid); //encodeEncryptionCapabilites buf.writeBytes(ByteManager.unsignedShortToArray(this.encryptioCapability)); return buf.writerIndex() - start; } @Override public ODLCapwapMessageElement decode(ByteBuf buf) { return null; } @Override public int getType() { return 0; } }