1 files changed, 104 insertions, 0 deletions
diff --git a/java/broker-plugins/amqp-0-8-protocol/src/main/java/org/apache/qpid/server/protocol/v0_8/BrokerDecoder.java b/java/broker-plugins/amqp-0-8-protocol/src/main/java/org/apache/qpid/server/protocol/v0_8/BrokerDecoder.java
new file mode 100644
index 0000000000..5a4466b003
--- /dev/null
+++ b/java/broker-plugins/amqp-0-8-protocol/src/main/java/org/apache/qpid/server/protocol/v0_8/BrokerDecoder.java
@@ -0,0 +1,104 @@
+/*
+ *
+ * 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.protocol.v0_8;
+
+import java.io.IOException;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+
+import javax.security.auth.Subject;
+
+import org.apache.qpid.codec.MarkableDataInput;
+import org.apache.qpid.codec.ServerDecoder;
+import org.apache.qpid.framing.AMQFrameDecodingException;
+import org.apache.qpid.server.util.ServerScopedRuntimeException;
+
+public class BrokerDecoder extends ServerDecoder
+{
+    private final AMQProtocolEngine _connection;
+    /**
+     * Creates a new AMQP decoder.
+     *
+     * @param connection
+     */
+    public BrokerDecoder(final AMQProtocolEngine connection)
+    {
+        super(connection);
+        _connection = connection;
+    }
+
+    @Override
+    protected void processFrame(final int channelId, final byte type, final long bodySize, final MarkableDataInput in)
+            throws AMQFrameDecodingException, IOException
+    {
+        Subject subject;
+        AMQChannel channel = _connection.getChannel(channelId);
+        if(channel == null)
+        {
+            subject = _connection.getSubject();
+        }
+        else
+        {
+            _connection.channelRequiresSync(channel);
+
+            subject = channel.getSubject();
+        }
+        try
+        {
+            Subject.doAs(subject, new PrivilegedExceptionAction<Object>()
+            {
+                @Override
+                public Void run() throws IOException, AMQFrameDecodingException
+                {
+                    doProcessFrame(channelId, type, bodySize, in);
+                    return null;
+                }
+            });
+        }
+        catch (PrivilegedActionException e)
+        {
+            Throwable cause = e.getCause();
+            if(cause instanceof IOException)
+            {
+                throw (IOException) cause;
+            }
+            else if(cause instanceof AMQFrameDecodingException)
+            {
+                throw (AMQFrameDecodingException) cause;
+            }
+            else if(cause instanceof RuntimeException)
+            {
+                throw (RuntimeException) cause;
+            }
+            else throw new ServerScopedRuntimeException(cause);
+        }
+
+    }
+
+
+    private void doProcessFrame(final int channelId, final byte type, final long bodySize, final MarkableDataInput in)
+            throws AMQFrameDecodingException, IOException
+    {
+        super.processFrame(channelId, type, bodySize, in);
+
+    }
+
+}