/// <summary>
/// 将流字节数组序列化为指定类型
/// </summary>
/// <param name="type"></param>
/// <param name="buffer"></param>
/// <returns></returns>
protected virtual object DeserializeObject(Type type, byte[] buffer)
{
//all length
//, item 1 name size, item 1 name data, item 1 value size, item 1 value data
//, item 2 name size, item 2 name data, item 2 value size, item 2 value data
//, item N name size, item N name data, item N value size, item N value data
var instance = Activator.CreateInstance(type);
object itemValue;
string itemName;
int itemSize;
byte[] itemBuffer;
System.Reflection.PropertyInfo propertyInfo;
//all length
var psLength = BaseDataConverter.ToInt32(buffer);
var offset = SIZE_INT32;
//
for (int i = 0; i < psLength; i++)
{
//name
itemSize = BaseDataConverter.ToInt32(buffer, offset);
offset += SIZE_INT32;
itemName = Encoding.UTF8.GetString(buffer, offset, itemSize);
offset += itemSize;
//value
itemSize = BaseDataConverter.ToInt32(buffer, offset);
offset += SIZE_INT32;
if (itemSize == -1)
{
//set
propertyInfo = PropertyAccessor.FindProperty(instance, itemName);
if (propertyInfo != null)
{
PropertyAccessor.SetValue(instance, itemName, null);
}
}
else
{
itemBuffer = new byte[itemSize];
Array.Copy(buffer, offset, itemBuffer, 0, itemSize);
offset += itemSize;
//set
propertyInfo = PropertyAccessor.FindProperty(instance, itemName);
itemValue = this.Deserialize(propertyInfo.PropertyType, itemBuffer);
if (propertyInfo != null)
{
PropertyAccessor.SetValue(instance, itemName, itemValue);
}
}
}
return(instance);
}
/// <summary>
/// 将对象序列化成字节数组
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
protected virtual byte[] SerializeObject(object value)
{
//all length
//, item 1 name size, item 1 name data, item 1 value size, item 1 value data
//, item 2 name size, item 2 name data, item 2 value size, item 2 value data
//, item N name size, item N name data, item N value size, item N value data
//
var ps = PropertyAccessor.GetGets(value.GetType());
object itemValue;
//
byte[] nameBuffer, valueBuffer, sizeBuffer;
int length = 0;
int psLength = ps.Length;
using (var m = new MemoryStream())
{
//all length
sizeBuffer = BaseDataConverter.ToBytes(psLength);
m.Write(sizeBuffer, 0, SIZE_INT32);
//
for (int i = 0; i < psLength; i++)
{
//name
nameBuffer = Encoding.UTF8.GetBytes(ps[i].PropertyInfo.Name);
length = nameBuffer.Length;
sizeBuffer = BaseDataConverter.ToBytes(length);
m.Write(sizeBuffer, 0, SIZE_INT32);
m.Write(nameBuffer, 0, length);
//value
itemValue = PropertyAccessor.GetValue(value, ps[i].PropertyInfo.Name);
valueBuffer = this.Serialize(itemValue);
if (valueBuffer == null)
{
sizeBuffer = BaseDataConverter.ToBytes(-1);
m.Write(sizeBuffer, 0, SIZE_INT32);
//no body
}
else
{
length = valueBuffer.Length;
sizeBuffer = BaseDataConverter.ToBytes(length);
m.Write(sizeBuffer, 0, SIZE_INT32);
m.Write(valueBuffer, 0, length);
}
}
return(m.ToArray());
}
}
/// <summary>
/// 解析指定类型数组对象
/// </summary>
/// <param name="type"></param>
/// <param name="buffer"></param>
/// <returns></returns>
private object DeserializeArray(Type type, byte[] buffer)
{
//legnth
var arrayLength = BaseDataConverter.ToInt32(buffer);
var offset = SIZE_INT32;
var elementType = type.GetElementType();
//
if (TYPE_STRING.Equals(elementType))
{
//item length, item size1, item 1, item size 2, item 2, item size N, item N
var stringArray = new string[arrayLength];
var itemSize = 0;
for (int i = 0; i < arrayLength; i++)
{
itemSize = BaseDataConverter.ToInt32(buffer, offset);
offset += SIZE_INT32;
if (itemSize == -1)
{
stringArray[i] = null;
}
else if (itemSize == 0)
{
stringArray[i] = "";
}
else
{
stringArray[i] = Encoding.UTF8.GetString(buffer, offset, itemSize);
offset += itemSize;
}
}
return(stringArray);
}
if (TYPE_DATETIME.Equals(elementType))
{
var workArray = new DateTime[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
//workArray[i] = new DateTime(BaseDataConverter.ToInt64(buffer, offset), DateTimeKind.Utc);
workArray[i] = new DateTime(BaseDataConverter.ToInt64(buffer, offset));
offset += SIZE_DATETIME;
}
return(workArray);
}
if (TYPE_BOOLEAN.Equals(elementType))
{
var workArray = new Boolean[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = buffer[offset] == 1;
offset += SIZE_BOOLEAN;
}
return(workArray);
}
if (TYPE_BYTE.Equals(elementType))
{
var workArray = new Byte[arrayLength];
Array.Copy(buffer, offset, workArray, 0, arrayLength);
return(workArray);
}
if (TYPE_SBYTE.Equals(elementType))
{
var workArray = new SByte[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = (SByte)buffer[offset];
offset += SIZE_SBYTE;
}
return(workArray);
}
if (TYPE_INT16.Equals(elementType))
{
var workArray = new Int16[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToInt16(buffer, offset);
offset += SIZE_INT16;
}
return(workArray);
}
if (TYPE_UINT16.Equals(elementType))
{
var workArray = new UInt16[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToUInt16(buffer, offset);
offset += SIZE_UINT16;
}
return(workArray);
}
if (TYPE_INT32.Equals(elementType))
{
var workArray = new Int32[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToInt32(buffer, offset);
offset += SIZE_INT32;
}
return(workArray);
}
if (TYPE_UINT32.Equals(elementType))
{
var workArray = new UInt32[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToUInt32(buffer, offset);
offset += SIZE_UINT32;
}
return(workArray);
}
if (TYPE_INT64.Equals(elementType))
{
var workArray = new Int64[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToInt64(buffer, offset);
offset += SIZE_INT64;
}
return(workArray);
}
if (TYPE_UINT64.Equals(elementType))
{
var workArray = new UInt64[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToUInt64(buffer, offset);
offset += SIZE_UINT64;
}
return(workArray);
}
if (TYPE_CHAR.Equals(elementType))
{
var workArray = new Char[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToChar(buffer, offset);
offset += SIZE_CHAR;
}
return(workArray);
}
if (TYPE_DOUBLE.Equals(elementType))
{
var workArray = new Double[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToDouble(buffer, offset);
offset += SIZE_DOUBLE;
}
return(workArray);
}
if (TYPE_SINGLE.Equals(elementType))
{
var workArray = new Single[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToSingle(buffer, offset);
offset += SIZE_SINGLE;
}
return(workArray);
}
if (TYPE_DECIMAL.Equals(elementType))
{
var workArray = new Decimal[arrayLength];
for (int i = 0; i < arrayLength; i++)
{
workArray[i] = BaseDataConverter.ToDecimal(buffer, offset);
offset += SIZE_DECIMAL;
}
return(workArray);
}
else
{
//item length, item size1, item 1, item size 2, item 2, item size N, item N
var workArray = (IList)Array.CreateInstance(elementType, arrayLength);
int itemSize;
byte[] itemBuffer;
for (int i = 0; i < arrayLength; i++)
{
itemSize = BaseDataConverter.ToInt32(buffer, offset);
offset += SIZE_INT32;
if (itemSize == -1)
{
workArray[i] = null;
}
else if (elementType.IsArray)
{
itemBuffer = new byte[itemSize];
Array.Copy(buffer, offset, itemBuffer, 0, itemSize);
workArray[i] = this.DeserializeArray(elementType, itemBuffer);
offset += itemSize;
}
else
{
itemBuffer = new byte[itemSize];
Array.Copy(buffer, offset, itemBuffer, 0, itemSize);
workArray[i] = this.DeserializeObject(elementType, itemBuffer);
offset += itemSize;
}
}
return(workArray);
}
}
/// <summary>
/// 返回指定类型的数据
/// </summary>
/// <param name="type"></param>
/// <param name="buffer"></param>
/// <returns></returns>
public object Deserialize(Type type, byte[] buffer)
{
//default
if (buffer == null)
{
if (type.IsValueType)
{
return(System.Activator.CreateInstance(type));
}
return(null);
}
if (TYPE_BOOLEAN.Equals(type))
{
return(buffer[0] == 1);
}
if (TYPE_BYTE.Equals(type))
{
return(buffer[0]);
}
if (TYPE_SBYTE.Equals(type))
{
return((sbyte)buffer[0]);
}
if (TYPE_CHAR.Equals(type))
{
return(BaseDataConverter.ToChar(buffer));
}
if (TYPE_INT16.Equals(type))
{
return(BaseDataConverter.ToInt16(buffer));
}
if (TYPE_UINT16.Equals(type))
{
return(BaseDataConverter.ToUInt16(buffer));
}
if (TYPE_INT32.Equals(type))
{
return(BaseDataConverter.ToInt32(buffer));
}
if (TYPE_SINGLE.Equals(type))
{
return(BaseDataConverter.ToSingle(buffer));
}
if (TYPE_UINT32.Equals(type))
{
return(BaseDataConverter.ToUInt32(buffer));
}
if (TYPE_DATETIME.Equals(type))
{
return(new DateTime(BaseDataConverter.ToInt64(buffer)));
}
//return new DateTime(BaseDataConverter.ToInt64(buffer), DateTimeKind.Utc);
if (TYPE_DOUBLE.Equals(type))
{
return(BaseDataConverter.ToDouble(buffer));
}
if (TYPE_INT64.Equals(type))
{
return(BaseDataConverter.ToInt64(buffer));
}
if (TYPE_UINT64.Equals(type))
{
return(BaseDataConverter.ToUInt64(buffer));
}
if (TYPE_DECIMAL.Equals(type))
{
return(BaseDataConverter.ToDecimal(buffer));
}
if (TYPE_STRING.Equals(type))
{
return(Encoding.UTF8.GetString(buffer));
}
if (type.IsArray)
{
return(this.DeserializeArray(type, buffer));
}
return(this.DeserializeObject(type, buffer));
}
/// <summary>
/// SerializeArray
/// </summary>
/// <param name="array"></param>
private byte[] SerializeArray(object array)
{
//item length, item 1, item 2, item N
if (array is string[])
{
var stringArray = (string[])array;
byte[] itemBuffer, lengthBuffer, sizeBuffer;
int length;
using (var m = new MemoryStream())
{
//item length, item size1, item 1, item size 2, item 2, item size N, item N
//write item length
lengthBuffer = BaseDataConverter.ToBytes(stringArray.Length);
m.Write(lengthBuffer, 0, SIZE_INT32);
//
foreach (string item in stringArray)
{
if (item == null)
{
sizeBuffer = BaseDataConverter.ToBytes(-1);
//write size
m.Write(sizeBuffer, 0, SIZE_INT32);
//null item no body
}
else if ("".Equals(item))
{
sizeBuffer = BaseDataConverter.ToBytes(0);
//write size
m.Write(sizeBuffer, 0, SIZE_INT32);
//empty item no body
}
else
{
itemBuffer = Encoding.UTF8.GetBytes(item);
length = itemBuffer.Length;
sizeBuffer = BaseDataConverter.ToBytes(length);
//write size
m.Write(sizeBuffer, 0, SIZE_INT32);
//item
m.Write(itemBuffer, 0, length);
}
}
return(m.ToArray());
}
}
if (array is DateTime[])
{
var workArray = (DateTime[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_DATETIME];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
//BaseDataConverter.ToBytes(workArray[i].ToUniversalTime().Ticks, buffer, offset);
BaseDataConverter.ToBytes(workArray[i].Ticks, buffer, offset);
offset += SIZE_INT64;
}
return(buffer);
}
if (array is Boolean[])
{
var workArray = (Boolean[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
for (int i = 0; i < arrayLength; i++)
{
buffer[SIZE_INT32 + i] = (byte)(workArray[i] ? 1 : 0);
}
return(buffer);
}
if (array is Byte[])
{
var workArray = (Byte[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
Array.Copy(workArray, 0, buffer, SIZE_INT32, arrayLength);
return(buffer);
}
if (array is SByte[])
{
var workArray = (SByte[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
for (int i = 0; i < arrayLength; i++)
{
buffer[SIZE_INT32 + i] = (byte)workArray[i];
}
return(buffer);
}
if (array is Int16[])
{
var workArray = (Int16[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_INT16];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_INT16;
}
return(buffer);
}
if (array is UInt16[])
{
var workArray = (UInt16[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_UINT16];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_UINT16;
}
return(buffer);
}
if (array is Int32[])
{
var workArray = (Int32[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_INT32];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_INT32;
}
return(buffer);
}
if (array is UInt32)
{
var workArray = (UInt32[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_UINT32];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_UINT32;
}
return(buffer);
}
if (array is Int64[])
{
var workArray = (Int64[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_INT64];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_INT64;
}
return(buffer);
}
if (array is UInt64[])
{
var workArray = (UInt64[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_UINT64];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_UINT64;
}
return(buffer);
}
if (array is Char[])
{
var workArray = (Char[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_CHAR];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_CHAR;
}
return(buffer);
}
if (array is Double[])
{
var workArray = (Double[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_DOUBLE];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_DOUBLE;
}
return(buffer);
}
if (array is Single[])
{
var workArray = (Single[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_SINGLE];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_SINGLE;
}
return(buffer);
}
if (array is Decimal[])
{
var workArray = (Decimal[])array;
var arrayLength = workArray.Length;
var buffer = new byte[SIZE_INT32 + arrayLength * SIZE_DECIMAL];
BaseDataConverter.ToBytes(arrayLength, buffer, 0);
var offset = SIZE_INT32;
for (int i = 0; i < arrayLength; i++)
{
BaseDataConverter.ToBytes(workArray[i], buffer, offset);
offset += SIZE_DECIMAL;
}
return(buffer);
}
else
{
byte[] itemBuffer, lengthBuffer, sizeBuffer;
var workArray = (Array)array;
var arrayLength = workArray.Length;
int length;
using (var m = new MemoryStream())
{
//write length
lengthBuffer = BaseDataConverter.ToBytes(arrayLength);
m.Write(lengthBuffer, 0, SIZE_INT32);
//item length, item size1, item 1, item size 2, item 2, item size N, item N
foreach (var item in workArray)
{
if (item == null || DBNull.Value.Equals(item))
{
sizeBuffer = BaseDataConverter.ToBytes(-1);
//write size
m.Write(sizeBuffer, 0, SIZE_INT32);
//null item no body
}
else if (item.GetType().IsArray)
{
itemBuffer = this.SerializeArray(item);
length = itemBuffer.Length;
//write size
sizeBuffer = BaseDataConverter.ToBytes(length);
m.Write(sizeBuffer, 0, SIZE_INT32);
//item
m.Write(itemBuffer, 0, length);
}
else
{
itemBuffer = SerializeObject(item);
length = itemBuffer.Length;
//write size
sizeBuffer = BaseDataConverter.ToBytes(length);
m.Write(sizeBuffer, 0, SIZE_INT32);
//item
m.Write(itemBuffer, 0, length);
}
}
return(m.ToArray());
}
}
}
/// <summary>
/// 序列化数据
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public byte[] Serialize(object value)
{
if (value == null)
{
return(null);
}
if (DBNull.Value.Equals(value))
{
return(null);
}
if (value is string)
{
return(Encoding.UTF8.GetBytes((string)value));
}
if (value is DateTime)
{
//return BaseDataConverter.ToBytes(((DateTime)value).ToUniversalTime().Ticks);
return(BaseDataConverter.ToBytes(((DateTime)value).Ticks));
}
if (value is Boolean)
{
var buffer = new byte[1];
buffer[0] = (byte)((Boolean)value ? 1 : 0);
return(buffer);
}
if (value is Byte)
{
var buffer = new byte[1];
buffer[0] = (byte)value;
return(buffer);
}
if (value is SByte)
{
var buffer = new byte[1];
buffer[0] = (byte)((sbyte)value);
return(buffer);
}
if (value is Int16)
{
return(BaseDataConverter.ToBytes((Int16)value));
}
if (value is UInt16)
{
return(BaseDataConverter.ToBytes((UInt16)value));
}
if (value is Int32)
{
return(BaseDataConverter.ToBytes((Int32)value));
}
if (value is UInt32)
{
return(BaseDataConverter.ToBytes((UInt32)value));
}
if (value is Int64)
{
return(BaseDataConverter.ToBytes((Int64)value));
}
if (value is UInt64)
{
return(BaseDataConverter.ToBytes((UInt64)value));
}
if (value is Char)
{
return(BaseDataConverter.ToBytes((Char)value));
}
if (value is Double)
{
return(BaseDataConverter.ToBytes((Double)value));
}
if (value is Single)
{
return(BaseDataConverter.ToBytes((Single)value));
}
if (value is Decimal)
{
return(BaseDataConverter.ToBytes((Decimal)value));
}
if (value is Array)
{
return(this.SerializeArray(value));
}
return(this.SerializeObject(value));
}