openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/factories/EchoRequestMessageFactory.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.EchoRequestMessage;\r
   8 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoRequestMessageBuilder;\r
   9 \r
  10 /**\r
  11  * @author michal.polkorab\r
  12  *\r
  13  */\r
  14 public class EchoRequestMessageFactory implements OFDeserializer<EchoRequestMessage>{\r
  15 \r
  16     private static EchoRequestMessageFactory instance;\r
  17 \r
  18     private EchoRequestMessageFactory() {\r
  19         // do nothing, just singleton\r
  20     }\r
  21     \r
  22     /**\r
  23      * @return singleton factory\r
  24      */\r
  25     public static synchronized EchoRequestMessageFactory getInstance() {\r
  26         if (instance == null) {\r
  27             instance = new EchoRequestMessageFactory();\r
  28         }\r
  29         return instance;\r
  30     }\r
  31 \r
  32     @Override\r
  33     public EchoRequestMessage bufferToMessage(ByteBuf rawMessage, short version) {\r
  34         EchoRequestMessageBuilder builder = new EchoRequestMessageBuilder();\r
  35         builder.setVersion(version);\r
  36         builder.setXid(rawMessage.readUnsignedInt());\r
  37         builder.setData(rawMessage.readBytes(rawMessage.readableBytes()).array());\r
  38         return builder.build();\r
  39     }\r
  40 }\r