1 files changed, 66 insertions, 0 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/ChannelFlowHandler.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/ChannelFlowHandler.java
new file mode 100644
index 0000000000..696ca8a63b
--- /dev/null
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/handler/ChannelFlowHandler.java
@@ -0,0 +1,66 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.apache.qpid.server.handler;
+
+import org.apache.log4j.Logger;
+import org.apache.qpid.AMQException;
+import org.apache.qpid.framing.*;
+import org.apache.qpid.protocol.AMQMethodEvent;
+import org.apache.qpid.server.AMQChannel;
+import org.apache.qpid.server.protocol.AMQProtocolSession;
+import org.apache.qpid.server.state.AMQStateManager;
+import org.apache.qpid.server.state.StateAwareMethodListener;
+
+public class ChannelFlowHandler implements StateAwareMethodListener<ChannelFlowBody>
+{
+    private static final Logger _logger = Logger.getLogger(ChannelFlowHandler.class);
+
+    private static ChannelFlowHandler _instance = new ChannelFlowHandler();
+
+    public static ChannelFlowHandler getInstance()
+    {
+        return _instance;
+    }
+
+    private ChannelFlowHandler()
+    {
+    }
+
+    public void methodReceived(AMQStateManager stateManager, ChannelFlowBody body, int channelId) throws AMQException
+    {
+        AMQProtocolSession session = stateManager.getProtocolSession();
+
+
+        AMQChannel channel = session.getChannel(channelId);
+
+        if (channel == null)
+        {
+            throw body.getChannelNotFoundException(channelId);
+        }
+
+        channel.setSuspended(!body.getActive());
+        _logger.debug("Channel.Flow for channel " + channelId + ", active=" + body.getActive());
+
+        MethodRegistry methodRegistry = session.getMethodRegistry();
+        AMQMethodBody responseBody = methodRegistry.createChannelFlowOkBody(body.getActive());
+        session.writeFrame(responseBody.generateFrame(channelId));
+    }
+}