| /* |
| * Copyright 2016-present 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. |
| */ |
| 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 protocol supported TLV. |
| */ |
| public class ProtocolSupportedTlv extends TlvHeader implements IsisTlv { |
| |
| private List<Byte> protocolSupported = new ArrayList<>(); |
| |
| /** |
| * Creates an instance of protocol supported TLV. |
| * |
| * @param tlvHeader TLV header |
| */ |
| public ProtocolSupportedTlv(TlvHeader tlvHeader) { |
| |
| this.setTlvType(tlvHeader.tlvType()); |
| this.setTlvLength(tlvHeader.tlvLength()); |
| |
| } |
| |
| /** |
| * Adds the protocol supported to protocol supported TLV. |
| * |
| * @param protocolValue protocol supported |
| */ |
| public void addProtocolSupported(byte protocolValue) { |
| protocolSupported.add(protocolValue); |
| } |
| |
| /** |
| * Returns protocols supported of protocol supported TLV. |
| * |
| * @return protocol supported |
| */ |
| public List<Byte> protocolSupported() { |
| return this.protocolSupported; |
| } |
| |
| @Override |
| public void readFrom(ChannelBuffer channelBuffer) { |
| while (channelBuffer.readableBytes() > 0) { |
| this.protocolSupported.add(channelBuffer.readByte()); |
| } |
| } |
| |
| @Override |
| public byte[] asBytes() { |
| byte[] bytes = null; |
| |
| byte[] tlvHeader = tlvHeaderAsByteArray(); |
| byte[] tlvBody = tlvBodyAsBytes(); |
| tlvHeader[1] = (byte) tlvBody.length; |
| bytes = Bytes.concat(tlvHeader, tlvBody); |
| return bytes; |
| } |
| |
| /** |
| * Gets TLV body of protocol supported TLV. |
| * |
| * @return byteArray TLV body of protocol supported TLV |
| */ |
| private byte[] tlvBodyAsBytes() { |
| List<Byte> bytes = new ArrayList<>(); |
| for (byte byt : this.protocolSupported) { |
| bytes.add(byt); |
| } |
| byte[] byteArray = new byte[bytes.size()]; |
| int i = 0; |
| for (byte byt : bytes) { |
| byteArray[i++] = byt; |
| } |
| return byteArray; |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .omitNullValues() |
| .add("protocolSupported", protocolSupported) |
| .toString(); |
| } |
| } |