ONOS-4082: Packet structures- TLV packet structures
Change-Id: Id67867d215e9e6215854bc35fc435a1b0da9bf3b
diff --git a/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/TlvsToBytes.java b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/TlvsToBytes.java
new file mode 100755
index 0000000..829517e
--- /dev/null
+++ b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/TlvsToBytes.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2016 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.primitives.Bytes;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Represents conversion of TLV's to bytes.
+ */
+public final class TlvsToBytes {
+ /**
+ * Sets the ISIS TLV and returns in the form of bytes.
+ *
+ * @param isisTlv isisTlv
+ * @return tlvBytes TLV bytes
+ */
+ public static List<Byte> tlvToBytes(IsisTlv isisTlv) {
+
+ List<Byte> tlvBytes = new ArrayList();
+ if (isisTlv instanceof AreaAddressTlv) {
+ AreaAddressTlv areaAddressTlv = (AreaAddressTlv) isisTlv;
+ tlvBytes.addAll(Bytes.asList(areaAddressTlv.asBytes()));
+ } else if (isisTlv instanceof IpInterfaceAddressTlv) {
+ IpInterfaceAddressTlv ipInterfaceAddressTlv = (IpInterfaceAddressTlv) isisTlv;
+ tlvBytes.addAll(Bytes.asList(ipInterfaceAddressTlv.asBytes()));
+ } else if (isisTlv instanceof ProtocolSupportedTlv) {
+ ProtocolSupportedTlv protocolSupportedTlv = (ProtocolSupportedTlv) isisTlv;
+ tlvBytes.addAll(Bytes.asList(protocolSupportedTlv.asBytes()));
+ } else if (isisTlv instanceof PaddingTlv) {
+ PaddingTlv paddingTlv = (PaddingTlv) isisTlv;
+ tlvBytes.addAll(Bytes.asList(paddingTlv.asBytes()));
+ } else if (isisTlv instanceof IsisNeighborTlv) {
+ IsisNeighborTlv isisNeighborTlv = (IsisNeighborTlv) isisTlv;
+ tlvBytes.addAll(Bytes.asList(isisNeighborTlv.asBytes()));
+ } else {
+ System.out.println("UNKNOWN TLV TYPE ::TlvsToBytes ");
+ }
+
+ return tlvBytes;
+ }
+ /**
+ * Creates an instance.
+ */
+ private TlvsToBytes() {
+ //private constructor
+ }
+}
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