ONOS-4083,ONOS-4084:ISIS PDU TLV Data Structures
Change-Id: Ice0d42f2c886fa5f398b562e126614ed45f858a2
diff --git a/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/subtlv/SubTlvToBytes.java b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/subtlv/SubTlvToBytes.java
new file mode 100644
index 0000000..8774c04
--- /dev/null
+++ b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/subtlv/SubTlvToBytes.java
@@ -0,0 +1,69 @@
+/*
+ * 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.subtlv;
+
+import com.google.common.primitives.Bytes;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Representation of conversion of TLV's to bytes.
+ */
+public final class SubTlvToBytes {
+
+ protected static final Logger log = LoggerFactory.getLogger(SubTlvToBytes.class);
+
+ /**
+ * Creates an instance.
+ */
+ private SubTlvToBytes() {
+ //private constructor
+ }
+
+ /**
+ * Sets the ISIS sub TLV and returns in the form of bytes.
+ *
+ * @param subTlv isisTlv.
+ * @return subTlvBytes
+ */
+ public static List<Byte> tlvToBytes(TrafficEngineeringSubTlv subTlv) {
+
+ List<Byte> subTlvBytes = new ArrayList<>();
+ if (subTlv instanceof AdministrativeGroup) {
+ AdministrativeGroup administrativeGroup = (AdministrativeGroup) subTlv;
+ subTlvBytes.addAll(Bytes.asList(administrativeGroup.asBytes()));
+ } else if (subTlv instanceof MaximumBandwidth) {
+ MaximumBandwidth maximumBandwidth = (MaximumBandwidth) subTlv;
+ subTlvBytes.addAll(Bytes.asList(maximumBandwidth.asBytes()));
+ } else if (subTlv instanceof MaximumReservableBandwidth) {
+ MaximumReservableBandwidth maximumReservableBandwidth = (MaximumReservableBandwidth) subTlv;
+ subTlvBytes.addAll(Bytes.asList(maximumReservableBandwidth.asBytes()));
+ } else if (subTlv instanceof TrafficEngineeringMetric) {
+ TrafficEngineeringMetric trafficEngineeringMetric = (TrafficEngineeringMetric) subTlv;
+ subTlvBytes.addAll(Bytes.asList(trafficEngineeringMetric.asBytes()));
+ } else if (subTlv instanceof UnreservedBandwidth) {
+ UnreservedBandwidth unreservedBandwidth = (UnreservedBandwidth) subTlv;
+ subTlvBytes.addAll(Bytes.asList(unreservedBandwidth.asBytes()));
+ } else {
+ log.debug("TlvsToBytes::UNKNOWN TLV TYPE ::TlvsToBytes ");
+ }
+
+ return subTlvBytes;
+ }
+}