/// <summary>
/// 小数据流转换
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
public static System.IO.Stream ToTinyStream(this Java.IO.InputStream stream)
{
using (stream)
using (System.IO.MemoryStream memoryStream = new System.IO.MemoryStream())
{
byte[] buffer = fastCSharp.memoryPool.TinyBuffers.Get();
try
{
do
{
int length = stream.Read(buffer);
if (length == -1)
{
break;
}
if (length != 0)
{
memoryStream.Write(buffer, 0, length);
}
}while (true);
}
finally { fastCSharp.memoryPool.TinyBuffers.Push(ref buffer); }
return(new System.IO.MemoryStream(memoryStream.GetBuffer(), 0, (int)memoryStream.Position, false));
}
}
InputStreamInvoker GetResourceStream(int resId, Android.Util.TypedValue outValue)
{
Application.Context.Resources.GetValue(resId, outValue, true);
IntPtr sp = OpenNonAsset(Application.Context.Resources.Assets, outValue.AssetCookie, outValue.String.ToString(), 2 /* AssetManager.ACCESS_STREAMING */);
Java.IO.InputStream s = Java.Lang.Object.GetObject <Java.IO.InputStream> (sp, JniHandleOwnership.TransferLocalRef);
return(new InputStreamInvoker(s));
}
protected override void Dispose(bool disposing)
{
if (disposing && BaseInputStream != null)
{
BaseInputStream.Dispose();
BaseInputStream = null;
}
}
/// <summary>
/// Default ctor
/// </summary>
public JavaInputStreamWrapper(JInputStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
this.stream = stream;
}
public InputStreamInvoker(Java.IO.InputStream stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
this.BaseInputStream = stream;
}
//
// Exception audit:
//
// Verdict
// Exception wrapping is required.
//
// Rationale
// `java.io.InputStream.close()` throws an exception, see:
//
// https://developer.android.com/reference/java/io/InputStream?hl=en
//
protected override void Dispose(bool disposing)
{
if (disposing && BaseInputStream != null)
{
try {
BaseInputStream.Close();
BaseInputStream.Dispose();
BaseInputStream = null;
} catch (Java.IO.IOException ex) when(JNIEnv.ShouldWrapJavaException(ex))
{
throw new IOException(ex.Message, ex);
}
}
}
public InputStreamInvoker(Java.IO.InputStream stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
BaseInputStream = stream;
Java.IO.FileInputStream?fileStream = stream as Java.IO.FileInputStream;
if (fileStream != null)
{
BaseFileChannel = fileStream.Channel;
}
}
public InputStreamInvoker(Java.IO.InputStream stream)
{
throw new NotImplementedException();
}
/// <summary>
/// Default ctor
/// </summary>
public JavaInputStreamWrapper(JInputStream stream)
{
if (stream == null)
throw new ArgumentNullException("stream");
this.stream = stream;
}
public InputStreamInvoker(Java.IO.InputStream stream)
{
this.BaseInputStream = stream;
}
public static int read(this Java.IO.InputStream stream, byte[] b)
{
return(stream.Read(b));
}
public static void close(this Java.IO.InputStream stream)
{
stream.Close();
}
