public void Compress(string algorithm)
{
if (algorithm == CompressionAlgorithm.Deflate)
{
byte[] buffer = _memoryStream.ToArray();
MemoryStream ms = new MemoryStream();
DeflateStream deflateStream = new DeflateStream(ms, CompressionMode.Compress, true);
deflateStream.Write(buffer, 0, buffer.Length);
deflateStream.Close();
_memoryStream.Close();
_memoryStream = ms;
AMFReader amfReader = new AMFReader(_memoryStream);
AMFWriter amfWriter = new AMFWriter(_memoryStream);
_dataOutput = new DataOutput(amfWriter);
_dataInput = new DataInput(amfReader);
}
if (algorithm == CompressionAlgorithm.Zlib)
{
byte[] buffer = _memoryStream.ToArray();
MemoryStream ms = new MemoryStream();
ZlibStream zlibStream = new ZlibStream(ms, CompressionMode.Compress, true);
zlibStream.Write(buffer, 0, buffer.Length);
zlibStream.Flush();
zlibStream.Close();
zlibStream.Dispose();
_memoryStream.Close();
_memoryStream = ms;
AMFReader amfReader = new AMFReader(_memoryStream);
AMFWriter amfWriter = new AMFWriter(_memoryStream);
_dataOutput = new DataOutput(amfWriter);
_dataInput = new DataInput(amfReader);
}
}
public void WriteData(AMFWriter writer, object data)
{
NameObjectCollectionBase collection = data as NameObjectCollectionBase;
object[] attributes = collection.GetType().GetCustomAttributes(typeof(DefaultMemberAttribute), false);
if (attributes != null && attributes.Length > 0)
{
DefaultMemberAttribute defaultMemberAttribute = attributes[0] as DefaultMemberAttribute;
PropertyInfo pi = collection.GetType().GetProperty(defaultMemberAttribute.MemberName, new Type[] { typeof(string) });
if (pi != null)
{
ASObject aso = new ASObject();
IEnumerator enumList = collection.Keys.GetEnumerator();
//为了兼容 webplayer 和手机 platform 而改掉的代码，原来的代码见后面的注释内容.
while (enumList.MoveNext())
{
string key = enumList.Current as string;
object value = pi.GetValue(collection, new object[] { key });
aso.Add(key, value);
}
writer.WriteByte(AMF3TypeCode.Object);
writer.WriteAMF3Object(aso);
return;
}
}
//We could not access an indexer so write out as it is.
writer.WriteByte(AMF3TypeCode.Object);
writer.WriteAMF3Object(data);
}
public void Uncompress(string algorithm)
{
if (algorithm == CompressionAlgorithm.Zlib)
{
Position = 0;
ZlibStream deflateStream = new ZlibStream(_memoryStream, CompressionMode.Decompress, false);
MemoryStream ms = new MemoryStream();
byte[] buffer = new byte[1024];
// Chop off the first two bytes
//int b = _memoryStream.ReadByte();
//b = _memoryStream.ReadByte();
while (true)
{
int readCount = deflateStream.Read(buffer, 0, buffer.Length);
if (readCount > 0)
{
ms.Write(buffer, 0, readCount);
}
else
{
break;
}
}
deflateStream.Close();
_memoryStream.Close();
_memoryStream.Dispose();
_memoryStream = ms;
_memoryStream.Position = 0;
}
if (algorithm == CompressionAlgorithm.Deflate)
{
Position = 0;
DeflateStream deflateStream = new DeflateStream(_memoryStream, CompressionMode.Decompress, false);
MemoryStream ms = new MemoryStream();
byte[] buffer = new byte[1024];
while (true)
{
int readCount = deflateStream.Read(buffer, 0, buffer.Length);
if (readCount > 0)
{
ms.Write(buffer, 0, readCount);
}
else
{
break;
}
}
deflateStream.Close();
_memoryStream.Close();
_memoryStream.Dispose();
_memoryStream = ms;
_memoryStream.Position = 0;
}
AMFReader amfReader = new AMFReader(_memoryStream);
AMFWriter amfWriter = new AMFWriter(_memoryStream);
_dataOutput = new DataOutput(amfWriter);
_dataInput = new DataInput(amfReader);
}
public void WriteData(AMFWriter writer, object data)
{
IList list = data as IList;
if (list != null)
{
writer.WriteByte(AMF3TypeCode.Array);
writer.WriteAMF3Array(list);
return;
}
IListSource listSource = data as IListSource;
if (listSource != null)
{
writer.WriteByte(AMF3TypeCode.Array);
writer.WriteAMF3Array(listSource.GetList());
return;
}
IDictionary dictionary = data as IDictionary;
if (dictionary != null)
{
writer.WriteByte(AMF3TypeCode.Dictionary);
writer.WriteAMF3Dictionary(dictionary);
return;
}
if (data is Exception)
{
writer.WriteByte(AMF3TypeCode.Object);
writer.WriteAMF3Object(data);
return;
}
if (data is IExternalizable)
{
writer.WriteByte(AMF3TypeCode.Object);
writer.WriteAMF3Object(data);
return;
}
if (data is IEnumerable)
{
ArrayList tmp = new ArrayList();
foreach (object element in (data as IEnumerable))
{
tmp.Add(element);
}
writer.WriteByte(AMF3TypeCode.Array);
writer.WriteAMF3Array(tmp);
return;
}
writer.WriteByte(AMF3TypeCode.Object);
writer.WriteAMF3Object(data);
}
public ByteArray(MemoryStream ms)
{
_memoryStream = ms;
AMFReader amfReader = new AMFReader(_memoryStream);
AMFWriter amfWriter = new AMFWriter(_memoryStream);
_dataOutput = new DataOutput(amfWriter);
_dataInput = new DataInput(amfReader);
_objectEncoding = ObjectEncoding.AMF3;
}
public void WriteData(AMFWriter writer, object data)
{
IList list = data as IList;
if (list != null)
{
writer.WriteByte(AMF3TypeCode.ObjectVector);
writer.WriteAMF3ObjectVector(list);
}
}
public ByteArray(byte[] buffer)
{
_memoryStream = new MemoryStream();
_memoryStream.Write(buffer, 0, buffer.Length);
_memoryStream.Position = 0;
AMFReader amfReader = new AMFReader(_memoryStream);
AMFWriter amfWriter = new AMFWriter(_memoryStream);
_dataOutput = new DataOutput(amfWriter);
_dataInput = new DataInput(amfReader);
_objectEncoding = ObjectEncoding.AMF3;
}
public void WriteData(AMFWriter writer, object data)
{
writer.WriteByte(AMF3TypeCode.ObjectVector);
writer.WriteAMF3ObjectVector(data as IList);
}
public void WriteData(AMFWriter writer, object data)
{
int value = Convert.ToInt32(data);
writer.WriteAMF3Int(value);
}
public void WriteData(AMFWriter writer, object data)
{
double value = Convert.ToDouble(data);
writer.WriteAMF3Double(value);
}
public void WriteData(AMFWriter writer, object data)
{
Type type = data.GetType().GetElementType();
if (type == typeof(object))
{
writer.WriteByte(AMF3TypeCode.Array);
writer.WriteAMF3Array(data as Array);
return;
}
if (type == typeof(int))
{
writer.WriteByte(AMF3TypeCode.IntVector);
IList rawData = (IList)data;
List <int> list = new List <int>(rawData.Count);
foreach (int item in rawData)
{
list.Add(item);
}
writer.WriteAMF3IntVector(list, data is Array);
return;
}
if (type == typeof(uint))
{
writer.WriteByte(AMF3TypeCode.UIntVector);
IList rawData = (IList)data;
List <uint> list = new List <uint>(rawData.Count);
foreach (uint item in rawData)
{
list.Add(item);
}
writer.WriteAMF3UIntVector(list, data is Array);
return;
}
if (type == typeof(float))
{
writer.WriteByte(AMF3TypeCode.NumberVector);
IList rawData = (IList)data;
List <double> list = new List <double>(rawData.Count);
foreach (float item in rawData)
{
list.Add(Convert.ToDouble(item));
}
writer.WriteAMF3DoubleVector(list, data is Array);
return;
}
if (type == typeof(double))
{
writer.WriteByte(AMF3TypeCode.NumberVector);
IList rawData = (IList)data;
List <double> list = new List <double>(rawData.Count);
foreach (double item in rawData)
{
list.Add(item);
}
writer.WriteAMF3DoubleVector(list, data is Array);
return;
}
writer.WriteByte(AMF3TypeCode.ObjectVector);
writer.WriteAMF3ObjectVector(data as IList);
}
public void WriteData(AMFWriter writer, object data)
{
writer.WriteAMF3XmlDocument(data as XmlDocument);
}
public void WriteData(AMFWriter writer, object data)
{
writer.WriteByte(AMF3TypeCode.DateTime);
writer.WriteAMF3DateTime((DateTime)data);
}
public void WriteData(AMFWriter writer, object data)
{
writer.WriteAMF3String(((Guid)data).ToString());
}
public void WriteData(AMFWriter writer, object data)
{
writer.WriteAMF3String(new String((char)data, 1));
}
