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[openflowjava.git] / openflow-protocol-impl / src / main / java / org / opendaylight / openflowjava / protocol / impl / deserialization / factories / ExperimenterMessageFactory.java
index f12985919e494177e84b8ee202bf09b1b2125a54..269976ffa7da4db72c40b4fdd5e77f49139c7128 100644 (file)
@@ -1,47 +1,44 @@
-/* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
+/*
+ * Copyright (c) 2014 Pantheon Technologies s.r.o. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
 
 import io.netty.buffer.ByteBuf;
 
-import org.opendaylight.openflowjava.protocol.impl.deserialization.OFDeserializer;
+import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
+import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
+import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
+import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
+import org.opendaylight.openflowjava.util.ExperimenterDeserializerKeyFactory;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ExperimenterMessage;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ExperimenterMessageBuilder;
 
 /**
- * Translates Experimenter messages
- * @author michal.polkorab, 
- * @author timotej.kubas
+ * @author michal.polkorab
+ *
  */
-public class ExperimenterMessageFactory implements OFDeserializer<ExperimenterMessage>{
+public class ExperimenterMessageFactory implements OFDeserializer<ExperimenterMessage>,
+        DeserializerRegistryInjector {
 
-    private static ExperimenterMessageFactory instance;
-    
-    private ExperimenterMessageFactory() {
-        //singleton
-    }
-    
-    
-    /**
-     * @return singleton factory
-     */
-    public static synchronized ExperimenterMessageFactory getInstance(){
-        if (instance == null){
-           instance = new ExperimenterMessageFactory(); 
-        }
-        return instance;
+    /** Experimenter ID index after version, message type and length were read */
+    private static final byte EXPERIMENTER_ID_INDEX = 4;
+    private DeserializerRegistry deserializerRegistry;
+
+    @Override
+    public ExperimenterMessage deserialize(ByteBuf message) {
+        long expId = message.getUnsignedInt(message.readerIndex() + EXPERIMENTER_ID_INDEX);
+        OFDeserializer<ExperimenterMessage> deserializer = deserializerRegistry.getDeserializer(
+                ExperimenterDeserializerKeyFactory.createExperimenterMessageDeserializerKey(
+                        EncodeConstants.OF13_VERSION_ID, expId));
+        return deserializer.deserialize(message);
     }
 
     @Override
-    public ExperimenterMessage bufferToMessage(ByteBuf rawMessage, short version) {
-        ExperimenterMessageBuilder builder = new ExperimenterMessageBuilder();
-        builder.setVersion(version);
-        builder.setXid(rawMessage.readUnsignedInt());
-        builder.setExperimenter(rawMessage.readUnsignedInt());
-        builder.setExpType(rawMessage.readUnsignedInt());
-        int remainingBytes = rawMessage.readableBytes();
-        if (remainingBytes > 0) {
-            builder.setData(rawMessage.readBytes(remainingBytes).array());
-        }
-        return builder.build();
+    public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
+        this.deserializerRegistry = deserializerRegistry;
     }
-}
+}
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