QPID-139. Initial (re)port of MINA's bytebuffer abstraction. Now includes the autoexpand feature. References to java.nio.Buffer were replaced with FixedByteBuffer and necessary methods added and implemented. FixedByteBuffer delegates to our existing HeapByteBuffer.

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@486248 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 367 insertions, 0 deletions

diff --git a/dotnet/Qpid.Buffer/FixedByteBuffer.cs b/dotnet/Qpid.Buffer/FixedByteBuffer.cs
new file mode 100644
index 0000000000..39a17a6fa7
--- /dev/null
+++ b/dotnet/Qpid.Buffer/FixedByteBuffer.cs
@@ -0,0 +1,367 @@
+/*
+ *
+ * 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;
+
+namespace Qpid.Buffer
+{
+    public class FixedByteBuffer
+    {
+        private HeapByteBuffer _buf;
+
+        public FixedByteBuffer(int capacity)
+        {
+            _buf = new HeapByteBuffer(capacity);
+        }
+
+        public FixedByteBuffer(byte[] bytes)
+        {
+            _buf = HeapByteBuffer.wrap(bytes);
+        }
+
+        public static FixedByteBuffer wrap(byte[] array)
+        {
+            return new FixedByteBuffer(array);
+        }
+
+        public static FixedByteBuffer wrap(byte[] array, int offset, int length)
+        {
+            throw new NotImplementedException();            
+        }
+
+        public ByteOrder order()
+        {
+            return ByteOrder.LittleEndian;
+        }
+
+        public void order(ByteOrder bo)
+        {
+            // Ignore endianess.
+        }
+
+        public void compact()
+        {
+            _buf.Compact();
+        }
+
+        public char getChar()
+        {
+            throw new NotImplementedException();
+        }
+
+        public char getChar(int index)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putChar(char value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putChar(int index, char value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public bool isDirect()
+        {
+            return false;
+        }
+
+        public bool isReadOnly()
+        {
+            throw new NotImplementedException();
+        }
+
+        public int capacity()
+        {
+            return _buf.Capacity;
+        }
+
+        public int limit()
+        {
+            return _buf.Limit;
+        }
+
+        public int limit(int limit)
+        {
+            int previousLimit = _buf.Limit;
+            _buf.Limit = limit;
+            return previousLimit;
+        }
+
+        public int position()
+        {
+            return _buf.Position;
+        }
+
+        public int position(int newPosition)
+        {
+            int prev = _buf.Position;
+            _buf.Position = newPosition;
+            return prev;
+        }
+
+        public void mark()
+        {
+            throw new NotImplementedException();
+        }
+
+        public static FixedByteBuffer allocateDirect(int capacity)
+        {
+            throw new NotImplementedException();
+        }
+
+        public static FixedByteBuffer allocate(int capacity)
+        {
+            return new FixedByteBuffer(capacity);
+        }
+
+        public void clear()
+        {
+            _buf.Clear();
+        }
+
+        public void put(byte b)
+        {
+            _buf.Put(b);
+        }
+
+        public void put(int index, byte b)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void put(FixedByteBuffer buf)
+        {
+            _buf.Put(buf.array(), buf.position(), buf.limit() - buf.position());
+        }
+
+        public FixedByteBuffer duplicate()
+        {
+            throw new NotImplementedException();
+        }
+
+        public FixedByteBuffer slice()
+        {
+            throw new NotImplementedException();
+        }
+
+        public FixedByteBuffer asReadOnlyBuffer()
+        {
+            throw new NotImplementedException();
+        }
+
+        /// <summary>
+        /// Returns backing array.
+        /// </summary>
+        /// <returns></returns>
+        public byte[] array()
+        {
+            return _buf.array();
+        }
+
+        public int arrayOffset()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void reset()
+        {
+            throw new NotImplementedException();
+        }
+
+        public void flip()
+        {
+            _buf.Flip();
+        }
+
+        public void rewind()
+        {
+            _buf.Rewind();
+        }
+
+        public byte get()
+        {
+            return _buf.Get();
+        }
+
+        public byte get(int index)
+        {
+            throw new NotImplementedException();
+        }
+
+        public short getShort()
+        {
+            throw new NotImplementedException();
+        }
+
+        public short getShort(int index)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putShort(short value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putShort(int index, short value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public int getInt()
+        {
+            throw new NotImplementedException();
+        }
+
+        public int getInt(int index)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putInt(int value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putInt(int index, int value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public ByteBuffer get(byte[] dst, int offset, int length)
+        {
+            throw new NotImplementedException();             
+        }
+
+        public ByteBuffer put(byte[] src, int offset, int length)
+        {
+            throw new NotImplementedException();
+        }
+
+        public long getLong()
+        {
+            throw new NotImplementedException();
+        }
+
+        public long getLong(int index)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putLong(long value)
+        {
+            throw new NotImplementedException();
+        }
+    
+        public void putLong(int index, long value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public int remaining()
+        {
+            return _buf.Remaining;
+        }
+
+        public float getFloat()
+        {
+            throw new NotImplementedException();
+        }
+
+        public float getFloat(int index)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putFloat(float value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putFloat(int index, float value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public double getDouble()
+        {
+            throw new NotImplementedException();
+        }
+
+        public double getDouble(int index)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putDouble(double value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public void putDouble(int index, double value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public ushort getUnsignedShort()
+        {
+            return _buf.GetUnsignedShort();
+        }
+
+        public uint getUnsignedInt()
+        {
+            return _buf.GetUnsignedInt();
+        }
+
+        public void get(byte[] dst)
+        {
+            _buf.Get(dst);
+        }
+
+        public void put(ushort value)
+        {
+            _buf.Put(value);
+        }
+
+        public void put(uint max)
+        {
+            _buf.Put(max);
+        }
+
+        public void put(ulong tag)
+        {
+            _buf.Put(tag);
+        }
+
+        public void put(byte[] src)
+        {
+            _buf.Put(src);
+        }
+
+        public ulong getUnsignedLong()
+        {
+            return _buf.GetUnsignedLong();
+        }
+    }
+}