我试图传递流作为参数,但我不确定哪种方式是“最好的”所以我想听听你对我的代码示例的意见/建议
@H_404_2@我个人更喜欢选项三,但我更新看到它在其他地方以这种方式完成.
@H_404_2@选项1适用于小流(以及已知大小的流)
@H_404_2@选项2_1和2_2总是让“管理员”怀疑谁有责任处置/关闭.
public interface ISomeStreamHandler
{
// Option 1
void HandleStream(byte[] streamBytes);
// Option 2
void HandleStream(Stream stream);
// Option 3
void HandleStream(Func<Stream> openStream);
}
public interface IStreamProducer
{
Stream GetStream();
}
public class SomeTestClass
{
private readonly ISomeStreamHandler _streamHandler;
private readonly IStreamProducer _streamProducer;
public SomeTestClass(ISomeStreamHandler streamHandler,IStreamProducer streamProducer)
{
_streamHandler = streamHandler;
_streamProducer = streamProducer;
}
public void DoOption1()
{
var buffer = new byte[16 * 1024];
using (var input = _streamProducer.GetStream())
{
using (var ms = new MemoryStream())
{
int read;
while ((read = input.Read(buffer,buffer.Length)) > 0)
{
ms.Write(buffer,read);
}
_streamHandler.HandleStream(ms.ToArray());
}
}
}
public void DoOption2_1()
{
_streamHandler.HandleStream(_streamProducer.GetStream());
}
public void DoOption2_2()
{
using (var stream = _streamProducer.GetStream())
{
_streamHandler.HandleStream(stream);
}
}
public void DoOption3()
{
_streamHandler.HandleStream(_streamProducer.GetStream);
}
}
@H_403_10@
