openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/instruction/AbstractActionInstructionDeserializer.java

   1 /*\r
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.\r
   3  *\r
   4  * This program and the accompanying materials are made available under the\r
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html\r
   7  */\r
   8 \r
   9 package org.opendaylight.openflowjava.protocol.impl.deserialization.instruction;\r
  10 \r
  11 import io.netty.buffer.ByteBuf;\r
  12 \r
  13 import java.util.List;\r
  14 \r
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;\r
  16 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;\r
  17 import org.opendaylight.openflowjava.protocol.impl.util.CodeKeyMaker;\r
  18 import org.opendaylight.openflowjava.protocol.impl.util.CodeKeyMakerFactory;\r
  19 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;\r
  20 import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;\r
  21 import org.opendaylight.openflowjava.protocol.impl.util.ListDeserializer;\r
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionsInstruction;\r
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionsInstructionBuilder;\r
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.Action;\r
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;\r
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.InstructionBuilder;\r
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.InstructionBase;\r
  28 \r
  29 /**\r
  30  * @author michal.polkorab\r
  31  *\r
  32  */\r
  33 public abstract class AbstractActionInstructionDeserializer extends AbstractInstructionDeserializer\r
  34         implements DeserializerRegistryInjector {\r
  35 \r
  36     private DeserializerRegistry registry;\r
  37 \r
  38     @Override\r
  39     public Instruction deserialize(ByteBuf input) {\r
  40         InstructionBuilder builder = new InstructionBuilder();\r
  41         input.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);\r
  42         builder.setType(getType());\r
  43         int instructionLength = input.readUnsignedShort();\r
  44         input.skipBytes(InstructionConstants.PADDING_IN_ACTIONS_INSTRUCTION);\r
  45         ActionsInstructionBuilder actionsBuilder = new ActionsInstructionBuilder();\r
  46         int length = instructionLength - InstructionConstants.STANDARD_INSTRUCTION_LENGTH;\r
  47         CodeKeyMaker keyMaker = CodeKeyMakerFactory.createActionsKeyMaker(EncodeConstants.OF13_VERSION_ID);\r
  48         List<Action> actions = ListDeserializer.deserializeList(\r
  49                 EncodeConstants.OF13_VERSION_ID, length, input, keyMaker, getRegistry());\r
  50         actionsBuilder.setAction(actions);\r
  51         builder.addAugmentation(ActionsInstruction.class, actionsBuilder.build());\r
  52         return builder.build();\r
  53     }\r
  54 \r
  55     protected abstract Class<? extends InstructionBase> getType();\r
  56 \r
  57     protected DeserializerRegistry getRegistry() {\r
  58         return registry;\r
  59     }\r
  60 \r
  61     @Override\r
  62     public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {\r
  63         this.registry = deserializerRegistry;\r
  64     }\r
  65 }\r