[Falcon][ONOS-3537] Implement control message collecting logic w/ unit test

Change-Id: Ic21d476a5ad92d7ef739fa3c13dcc06e5cbf7c56
diff --git a/protocols/openflow/api/src/test/java/org/onosproject/openflow/controller/driver/ChannelAdapter.java b/protocols/openflow/api/src/test/java/org/onosproject/openflow/controller/driver/ChannelAdapter.java
new file mode 100644
index 0000000..d4d9191
--- /dev/null
+++ b/protocols/openflow/api/src/test/java/org/onosproject/openflow/controller/driver/ChannelAdapter.java
@@ -0,0 +1,159 @@
+/*
+ * Copyright 2014-2015 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.openflow.controller.driver;
+
+import java.net.SocketAddress;
+
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelConfig;
+import org.jboss.netty.channel.ChannelFactory;
+import org.jboss.netty.channel.ChannelFuture;
+import org.jboss.netty.channel.ChannelPipeline;
+
+/**
+ * Adapter for testing against a netty channel.
+ */
+public class ChannelAdapter implements Channel {
+    @Override
+    public Integer getId() {
+        return null;
+    }
+
+    @Override
+    public ChannelFactory getFactory() {
+        return null;
+    }
+
+    @Override
+    public Channel getParent() {
+        return null;
+    }
+
+    @Override
+    public ChannelConfig getConfig() {
+        return null;
+    }
+
+    @Override
+    public ChannelPipeline getPipeline() {
+        return null;
+    }
+
+    @Override
+    public boolean isOpen() {
+        return false;
+    }
+
+    @Override
+    public boolean isBound() {
+        return false;
+    }
+
+    @Override
+    public boolean isConnected() {
+        return false;
+    }
+
+    @Override
+    public SocketAddress getLocalAddress() {
+        return null;
+    }
+
+    @Override
+    public SocketAddress getRemoteAddress() {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture write(Object o) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture write(Object o, SocketAddress socketAddress) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture bind(SocketAddress socketAddress) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture connect(SocketAddress socketAddress) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture disconnect() {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture unbind() {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture close() {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture getCloseFuture() {
+        return null;
+    }
+
+    @Override
+    public int getInterestOps() {
+        return 0;
+    }
+
+    @Override
+    public boolean isReadable() {
+        return false;
+    }
+
+    @Override
+    public boolean isWritable() {
+        return false;
+    }
+
+    @Override
+    public ChannelFuture setInterestOps(int i) {
+        return null;
+    }
+
+    @Override
+    public ChannelFuture setReadable(boolean b) {
+        return null;
+    }
+
+    @Override
+    public Object getAttachment() {
+        return null;
+    }
+
+    @Override
+    public void setAttachment(Object o) {
+
+    }
+
+    @Override
+    public int compareTo(Channel o) {
+        return 0;
+    }
+}
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