| /* |
| * Copyright 2015 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.pcepio.types; |
| |
| import java.util.Objects; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.onosproject.pcepio.protocol.PcepVersion; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.base.MoreObjects; |
| |
| /** |
| * LabelSubObject: Provides a LabelSubObject. |
| */ |
| public class LabelSubObject implements PcepValueType { |
| |
| /* Reference : RFC 3209 |
| * LABEL Sub Object |
| * |
| 0 1 2 3 |
| 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Type | Length | Flags | C-Type | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| | Contents of Label Object | |
| +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| */ |
| protected static final Logger log = LoggerFactory.getLogger(LabelSubObject.class); |
| |
| public static final short TYPE = 0x03; |
| public static final short LENGTH = 8; |
| private final byte flags; |
| private final byte cType; |
| private final int contents; |
| |
| /** |
| * constructor to initialize parameters for LabelSubObject. |
| * |
| * @param flags flags |
| * @param cType C-Type |
| * @param contents Contents of label object |
| */ |
| public LabelSubObject(byte flags, byte cType, int contents) { |
| this.flags = flags; |
| this.cType = cType; |
| this.contents = contents; |
| } |
| |
| /** |
| * Return an object of LabelSubObject. |
| * |
| * @param flags flags |
| * @param cType C-type |
| * @param contents contents of label objects |
| * @return object of LabelSubObject |
| */ |
| public static LabelSubObject of(byte flags, byte cType, int contents) { |
| return new LabelSubObject(flags, cType, contents); |
| } |
| |
| /** |
| * Returns Flags. |
| * |
| * @return flags |
| */ |
| public byte getFlags() { |
| return flags; |
| } |
| |
| /** |
| * Returns cType. |
| * |
| * @return cType |
| */ |
| public byte getCtype() { |
| return cType; |
| } |
| |
| /** |
| * Returns contents. |
| * |
| * @return contents |
| */ |
| public int getContents() { |
| return contents; |
| } |
| |
| @Override |
| public PcepVersion getVersion() { |
| return PcepVersion.PCEP_1; |
| } |
| |
| @Override |
| public short getType() { |
| return TYPE; |
| } |
| |
| @Override |
| public short getLength() { |
| return LENGTH; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(flags, cType, contents); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj instanceof LabelSubObject) { |
| LabelSubObject other = (LabelSubObject) obj; |
| return Objects.equals(this.flags, other.flags) && Objects.equals(this.cType, other.cType) |
| && Objects.equals(this.contents, other.contents); |
| } |
| return false; |
| } |
| |
| @Override |
| public int write(ChannelBuffer c) { |
| int iStartIndex = c.writerIndex(); |
| c.writeShort(TYPE); |
| c.writeShort(LENGTH); |
| c.writeByte(flags); |
| c.writeByte(cType); |
| c.writeByte(contents); |
| return c.writerIndex() - iStartIndex; |
| } |
| |
| /** |
| * Reads the channel buffer and returns object of LabelSubObject. |
| * |
| * @param c type of channel buffer |
| * @return object of LabelSubObject |
| */ |
| public static PcepValueType read(ChannelBuffer c) { |
| byte flags = c.readByte(); |
| byte cType = c.readByte(); |
| int contents = c.readInt(); |
| return new LabelSubObject(flags, cType, contents); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(getClass()) |
| .add("type", TYPE) |
| .add("Length", LENGTH) |
| .add("flags", flags) |
| .add("C-type", cType) |
| .add("contents", contents) |
| .toString(); |
| } |
| } |