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/TlvFinder.java b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/TlvFinder.java
new file mode 100755
index 0000000..4b28c35
--- /dev/null
+++ b/protocols/isis/isisio/src/main/java/org/onosproject/isis/io/isispacket/tlv/TlvFinder.java
@@ -0,0 +1,69 @@
+/*
+ * 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 io.netty.buffer.ByteBuf;
+import org.onosproject.isis.io.util.IsisUtil;
+
+/**
+ * Represents TLV finder.
+ */
+public class TlvFinder extends TlvHeader {
+
+ /**
+ * Sets the value for TLV header and the body of the TLV.
+ *
+ * @param tlvHeader tlvHeader
+ * @param byteBuf byteBuf
+ * @return isisTlv ISIS TLV
+ */
+ public static IsisTlv findTlv(TlvHeader tlvHeader, ByteBuf byteBuf) {
+
+ IsisTlv isisTlv = null;
+
+ switch (tlvHeader.tlvType()) {
+ case IsisUtil.AREAADDRESS:
+ AreaAddressTlv areaAddressTlv = new AreaAddressTlv(tlvHeader);
+ areaAddressTlv.readFrom(byteBuf);
+ isisTlv = areaAddressTlv;
+ break;
+ case IsisUtil.IPINTERFACEADDRESS:
+ IpInterfaceAddressTlv ipTlv = new IpInterfaceAddressTlv(tlvHeader);
+ ipTlv.readFrom(byteBuf);
+ isisTlv = ipTlv;
+ break;
+ case IsisUtil.PROTOCOLSUPPORTED:
+ ProtocolSupportedTlv psTlv = new ProtocolSupportedTlv(tlvHeader);
+ psTlv.readFrom(byteBuf);
+ isisTlv = psTlv;
+ break;
+ case IsisUtil.ISNEIGHBORS:
+ IsisNeighborTlv isisNeighborTlv = new IsisNeighborTlv(tlvHeader);
+ isisNeighborTlv.readFrom(byteBuf);
+ isisTlv = isisNeighborTlv;
+ break;
+ case IsisUtil.PADDING:
+ PaddingTlv paddingTlv = new PaddingTlv(tlvHeader);
+ paddingTlv.readFrom(byteBuf);
+ isisTlv = paddingTlv;
+ break;
+ default:
+ break;
+ }
+
+ return isisTlv;
+ }
+}
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