| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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 org.onosproject.isis.io.isispacket.tlv; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.primitives.Bytes; |
| import org.jboss.netty.buffer.ChannelBuffer; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Representation of TLV header. |
| */ |
| public class TlvHeader implements IsisTlv { |
| private int tlvType; |
| private int tlvLength; |
| |
| /** |
| * Returns TLV length of TLV. |
| * |
| * @return TLV length |
| */ |
| public int tlvLength() { |
| return tlvLength; |
| } |
| |
| /** |
| * Sets TLV length for TLV. |
| * |
| * @param tlvLength TLV length |
| */ |
| public void setTlvLength(int tlvLength) { |
| this.tlvLength = tlvLength; |
| } |
| |
| /** |
| * Returns TLV type of TLV. |
| * |
| * @return TLV type |
| */ |
| public int tlvType() { |
| return tlvType; |
| } |
| |
| /** |
| * Sets TLV type for TLV. |
| * |
| * @param tlvType TLV type |
| */ |
| public void setTlvType(int tlvType) { |
| this.tlvType = tlvType; |
| } |
| |
| /** |
| * Sets TLV values from channel buffer. |
| * |
| * @param channelBuffer channel Buffer instance |
| */ |
| public void readFrom(ChannelBuffer channelBuffer) { |
| //implemented in sub classes |
| } |
| |
| |
| /** |
| * Returns TLV as byte array. |
| * |
| * @return byteArray TLV body of area address TLV |
| */ |
| public byte[] asBytes() { |
| return null; |
| } |
| |
| /** |
| * Returns TLV header of TLV as bytes. |
| * |
| * @return TLV header as bytes |
| */ |
| public byte[] tlvHeaderAsByteArray() { |
| List<Byte> headerLst = new ArrayList<>(); |
| headerLst.add((byte) this.tlvType); |
| headerLst.add((byte) this.tlvLength); |
| return Bytes.toArray(headerLst); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .omitNullValues() |
| .add("tlvType", tlvType) |
| .add("tlvLength", tlvLength) |
| .toString(); |
| } |
| } |