openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/factories/OF10VendorMessageFactory.java

   1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */\r
   2 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;\r
   3 \r
   4 import io.netty.buffer.ByteBuf;\r
   5 \r
   6 import org.opendaylight.openflowjava.protocol.impl.deserialization.OFDeserializer;\r
   7 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ExperimenterMessage;\r
   8 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ExperimenterMessageBuilder;\r
   9 \r
  10 /**\r
  11  * Translates Vendor messages (OpenFlow v1.0)\r
  12  * @author michal.polkorab\r
  13  */\r
  14 public class OF10VendorMessageFactory implements OFDeserializer<ExperimenterMessage> {\r
  15 \r
  16 private static OF10VendorMessageFactory instance;\r
  17     \r
  18     private OF10VendorMessageFactory() {\r
  19         //singleton\r
  20     }\r
  21     \r
  22     /**\r
  23      * @return singleton factory\r
  24      */\r
  25     public static synchronized OF10VendorMessageFactory getInstance(){\r
  26         if (instance == null){\r
  27            instance = new OF10VendorMessageFactory(); \r
  28         }\r
  29         return instance;\r
  30     }\r
  31 \r
  32     @Override\r
  33     public ExperimenterMessage bufferToMessage(ByteBuf rawMessage, short version) {\r
  34         ExperimenterMessageBuilder builder = new ExperimenterMessageBuilder();\r
  35         builder.setVersion(version);\r
  36         builder.setXid(rawMessage.readUnsignedInt());\r
  37         builder.setExperimenter(rawMessage.readUnsignedInt());\r
  38         int remainingBytes = rawMessage.readableBytes();\r
  39         if (remainingBytes > 0) {\r
  40             builder.setData(rawMessage.readBytes(remainingBytes).array());\r
  41         }\r
  42         return builder.build();\r
  43     }\r
  44 }\r