[ONOS-2363]Implementation of Open and Error messages.
Change-Id: Id4aa762caf1847a6b5e56517cb159608fd54eefb
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/ISISAreaIdentifierTlv.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/ISISAreaIdentifierTlv.java
new file mode 100644
index 0000000..1a0f2f8
--- /dev/null
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/types/ISISAreaIdentifierTlv.java
@@ -0,0 +1,155 @@
+/*
+ * 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;
+import com.google.common.base.MoreObjects.ToStringHelper;
+
+/**
+ * Provides ISIS Area Identifier.
+ */
+public class ISISAreaIdentifierTlv implements PcepValueType {
+
+ /* Reference :[I-D.ietf-idr- ls-distribution]/3.3.1.2
+ * 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=[TBD24] | Length |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ // Area Identifier (variable) //
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ */
+
+ protected static final Logger log = LoggerFactory.getLogger(ISISAreaIdentifierTlv.class);
+
+ public static final short TYPE = 107; //TODO:NEED TO HANDLE TBD24
+ private short hLength;
+
+ private final byte[] rawValue;
+
+ /**
+ * Constructor to initialize rawValue.
+ *
+ * @param rawValue ISIS-Area-Identifier
+ * @param hLength length
+ */
+ public ISISAreaIdentifierTlv(byte[] rawValue, short hLength) {
+ log.debug("ISISAreaIdentifierTlv");
+ this.rawValue = rawValue;
+ if (0 == hLength) {
+ this.hLength = (short) rawValue.length;
+ } else {
+ this.hLength = hLength;
+ }
+ }
+
+ /**
+ * Returns newly created ISISAreaIdentifierTlv object.
+ *
+ * @param raw ISIS-Area-Identifier
+ * @param hLength length
+ * @return object of ISISAreaIdentifierTlv
+ */
+ public static ISISAreaIdentifierTlv of(final byte[] raw, short hLength) {
+ return new ISISAreaIdentifierTlv(raw, hLength);
+ }
+
+ /**
+ * Returns value of ISIS-Area-Identifier.
+ *
+ * @return byte array of rawValue
+ */
+ public byte[] getValue() {
+ return rawValue;
+ }
+
+ @Override
+ public PcepVersion getVersion() {
+ return PcepVersion.PCEP_1;
+ }
+
+ @Override
+ public short getType() {
+ return TYPE;
+ }
+
+ @Override
+ public short getLength() {
+ return hLength;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(rawValue);
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof ISISAreaIdentifierTlv) {
+ ISISAreaIdentifierTlv other = (ISISAreaIdentifierTlv) obj;
+ return Objects.equals(hLength, other.hLength) && Objects.equals(rawValue, other.rawValue);
+ }
+ return false;
+ }
+
+ @Override
+ public int write(ChannelBuffer c) {
+ int iLenStartIndex = c.writerIndex();
+ c.writeShort(TYPE);
+ c.writeShort(hLength);
+ c.writeBytes(rawValue);
+ return c.writerIndex() - iLenStartIndex;
+ }
+
+ /**
+ * Reads the channel buffer and returns object of ISISAreaIdentifierTlv.
+ *
+ * @param c input channel buffer
+ * @param hLength length
+ * @return object of ISISAreaIdentifierTlv
+ */
+ public static PcepValueType read(ChannelBuffer c, short hLength) {
+ byte[] iISISAreaIdentifier = new byte[hLength];
+ c.readBytes(iISISAreaIdentifier, 0, hLength);
+ return new ISISAreaIdentifierTlv(iISISAreaIdentifier, hLength);
+ }
+
+ @Override
+ public String toString() {
+ ToStringHelper toStrHelper = MoreObjects.toStringHelper(getClass());
+
+ toStrHelper.add("Type", TYPE);
+ toStrHelper.add("Length", hLength);
+
+ StringBuffer result = new StringBuffer();
+ for (byte b : rawValue) {
+ result.append(String.format("%02X ", b));
+ }
+ toStrHelper.add("Value", result);
+
+ return toStrHelper.toString();
+ }
+}