using System;
using System.IO;
using System.IO.Compression;
using System.Runtime.Serialization.Formatters.Binary;
namespace WWPipeLine.Commons.SerializeHelper
{
///
/// 二进制序列化和反序列化
///
///
public class BinaryFormatterHelper
{
private BinaryFormatterHelper()
{
}
#region 序列化
///
/// 序列化
///
///
///
public static Byte[] Serialize(T obj) where T : class
{
try
{
//创建内存流
MemoryStream ms = new MemoryStream();
//产生二进制序列化格式
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(ms, obj);
ms.Position = 0;
byte[] buffers = ms.ToArray();
//清空和释放内存流
ms.Close();
ms.Dispose();
return Compress(buffers);
}
catch
{
return new byte[] { };
}
}
///
/// 压缩数据
///
///
///
public static byte[] Compress(byte[] buffer)
{
if (buffer == null || buffer.Length == 0)
{
return buffer;
}
//创建内存流
MemoryStream ms = new MemoryStream();
//压缩和解压缩流
GZipStream gzip = new GZipStream(ms, CompressionMode.Compress, true);
gzip.Write(buffer, 0, buffer.Length);
//清空和释放压缩和解压缩流
gzip.Close();
gzip.Dispose();
ms.Position = 0;
byte[] returnBuffer = new byte[ms.Length];
ms.Read(returnBuffer, 0, int.Parse(ms.Length.ToString()));
//清空和释放内存流
ms.Close();
ms.Dispose();
return returnBuffer;
}
#endregion 序列化
#region 反序列化
///
/// 反序列化
///
///
///
public static T Deserilize(byte[] buffer) where T : class
{
try
{
byte[] debuffer = Decompress(buffer);
//产生二进制序列化格式
BinaryFormatter bf = new BinaryFormatter();
//创建内存流
MemoryStream ms = new MemoryStream(debuffer);
ms.Position = 0;
T obj = bf.Deserialize(ms) as T;
//清空和释放内存流
ms.Close();
ms.Dispose();
return obj;
}
catch
{
return null;
}
}
///
/// 解压缩流
///
///
///
public static byte[] Decompress(byte[] buffer)
{
if (buffer == null || buffer.Length == 0)
{
return buffer;
}
try
{
//创建内存流
MemoryStream ms = new MemoryStream(buffer);
ms.Position = 0;
//压缩和解压缩流
GZipStream gzip = new GZipStream(ms, CompressionMode.Decompress);
byte[] rebuffer = new byte[1024];
//创建内存流
MemoryStream msre = new MemoryStream();
while (true)
{
int readcount = gzip.Read(rebuffer, 0, rebuffer.Length);
if (readcount > 0)
msre.Write(rebuffer, 0, readcount);
else
break;
}
msre.Close();
byte[] buffers = msre.ToArray();
msre.Dispose();
//清空和释放压缩和解压缩流
gzip.Close();
gzip.Dispose();
//清空和释放内存流
ms.Close();
ms.Dispose();
return buffers;
}
catch
{
return new byte[] { };
}
}
#endregion 反序列化
}
}