1 files changed, 79 insertions, 0 deletions
diff --git a/qpid/dotnet/Qpid.Buffer/ByteBufferHexDumper.cs b/qpid/dotnet/Qpid.Buffer/ByteBufferHexDumper.cs
new file mode 100644
index 0000000000..4c2856c333
--- /dev/null
+++ b/qpid/dotnet/Qpid.Buffer/ByteBufferHexDumper.cs
@@ -0,0 +1,79 @@
+/*
+ *
+ * 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.
+ *
+ */
+using System.Text;
+
+namespace Apache.Qpid.Buffer
+{
+    public class ByteBufferHexDumper
+    {
+        private static byte[] highDigits;
+        
+        private static byte[] lowDigits;
+        
+        static ByteBufferHexDumper()
+        {
+            byte[] digits = { (byte)'0', (byte)'1', (byte)'2', (byte)'3', (byte)'4', (byte)'5', (byte)'6',
+                              (byte)'7', (byte)'8', (byte)'9', (byte)'A', (byte)'B', (byte)'C', (byte)'D', 
+                              (byte)'E', (byte)'F' };
+            int i;
+            byte[] high = new byte[256];
+            byte[] low = new byte[256];
+            
+            for (i = 0; i < 256; i++)
+            {
+                high[i] = digits[i >> 4];
+                low[i] = digits[i & 0x0F];                
+            }
+            
+            highDigits = high;
+            lowDigits = low;
+        }
+        
+        public static string GetHexDump(ByteBuffer input)
+        {
+            int size = input.Remaining;
+            if (size == 0)
+            {
+                return "empty";
+            }
+            
+            StringBuilder output = new StringBuilder(size * 3 - 1);
+
+            byte[] data = input.Array;
+            int byteValue = data[0] & 0xFF;
+            output.Append((char) highDigits[byteValue]);
+            output.Append((char) lowDigits[byteValue]);            
+            
+            for (int i = 1 ; i < size; i++)
+            {
+                output.Append(' ');
+                byteValue = data[i] & 0xFF;
+                output.Append((char) highDigits[byteValue]);
+                output.Append((char) lowDigits[byteValue]);
+            }
+            
+            return output.ToString();
+        }
+    }
+}
+
+
+