1 files changed, 236 insertions, 0 deletions
diff --git a/qpid/java/common/src/main/java/org/apache/qpid/transport/Method.java b/qpid/java/common/src/main/java/org/apache/qpid/transport/Method.java
new file mode 100644
index 0000000000..3c80180d0b
--- /dev/null
+++ b/qpid/java/common/src/main/java/org/apache/qpid/transport/Method.java
@@ -0,0 +1,236 @@
+/*
+ *
+ * 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.transport;
+
+import org.apache.qpid.transport.network.Frame;
+
+import java.nio.ByteBuffer;
+
+import static org.apache.qpid.transport.util.Functions.*;
+
+/**
+ * Method
+ *
+ * @author Rafael H. Schloming
+ */
+
+public abstract class Method extends Struct implements ProtocolEvent
+{
+
+
+    public static final Method create(int type)
+    {
+        // XXX: should generate separate factories for separate
+        // namespaces
+        return (Method) StructFactory.createInstruction(type);
+    }
+
+    // XXX: command subclass?
+    public static interface CompletionListener
+    {
+        public void onComplete(Method method);
+    }
+
+    private int id;
+    private int channel;
+    private boolean idSet = false;
+    private boolean sync = false;
+    private boolean batch = false;
+    private boolean unreliable = false;
+    private CompletionListener completionListener;
+
+    public final int getId()
+    {
+        return id;
+    }
+
+    void setId(int id)
+    {
+        this.id = id;
+        this.idSet = true;
+    }
+
+    boolean idSet()
+    {
+        return idSet;
+    }
+
+    public final int getChannel()
+    {
+        return channel;
+    }
+
+    public final void setChannel(int channel)
+    {
+        this.channel = channel;
+    }
+
+    public final boolean isSync()
+    {
+        return sync;
+    }
+
+    public final void setSync(boolean value)
+    {
+        this.sync = value;
+    }
+
+    public final boolean isBatch()
+    {
+        return batch;
+    }
+
+    final void setBatch(boolean value)
+    {
+        this.batch = value;
+    }
+
+    public final boolean isUnreliable()
+    {
+        return unreliable;
+    }
+
+    final void setUnreliable(boolean value)
+    {
+        this.unreliable = value;
+    }
+
+    public abstract boolean hasPayload();
+
+    public Header getHeader()
+    {
+        return null;
+    }
+
+    public void setHeader(Header header)
+    {
+        throw new UnsupportedOperationException();
+    }
+
+    public ByteBuffer getBody()
+    {
+        return null;
+    }
+
+    public void setBody(ByteBuffer body)
+    {
+        throw new UnsupportedOperationException();
+    }
+
+    public int getBodySize()
+    {
+        ByteBuffer body = getBody();
+        if (body == null)
+        {
+            return 0;
+        }
+        else
+        {
+            return body.remaining();
+        }
+    }
+
+    public abstract byte getEncodedTrack();
+
+    public abstract <C> void dispatch(C context, MethodDelegate<C> delegate);
+
+    public <C> void delegate(C context, ProtocolDelegate<C> delegate)
+    {
+        if (getEncodedTrack() == Frame.L4)
+        {
+            delegate.command(context, this);
+        }
+        else
+        {
+            delegate.control(context, this);
+        }
+    }
+
+
+    public void setCompletionListener(CompletionListener completionListener)
+    {
+        this.completionListener = completionListener;
+    }
+
+    public void complete()
+    {
+        if(completionListener!= null)
+        {
+            completionListener.onComplete(this);
+            completionListener = null;            
+        }
+    }
+
+    public boolean hasCompletionListener()
+    {
+        return completionListener != null;
+    }
+
+    public String toString()
+    {
+        StringBuilder str = new StringBuilder();
+
+        str.append("ch=");
+        str.append(channel);
+
+        if (getEncodedTrack() == Frame.L4 && idSet)
+        {
+            str.append(" id=");
+            str.append(id);
+        }
+
+        if (sync || batch)
+        {
+            str.append(" ");
+            str.append("[");
+            if (sync)
+            {
+                str.append("S");
+            }
+            if (batch)
+            {
+                str.append("B");
+            }
+            str.append("]");
+        }
+
+        str.append(" ");
+        str.append(super.toString());
+        Header hdr = getHeader();
+        if (hdr != null)
+        {
+            for (Struct st : hdr.getStructs())
+            {
+                str.append("\n  ");
+                str.append(st);
+            }
+        }
+        ByteBuffer body = getBody();
+        if (body != null)
+        {
+            str.append("\n  body=");
+            str.append(str(body, 64));
+        }
+
+        return str.toString();
+    }
+
+}