// Override fill() method to provide an extra "dummy" byte
// at the end of the input stream. This is required when
// using the "nowrap" Inflater option.
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: protected void fill() throws java.io.IOException
protected internal override void Fill()
{
if (Eof)
{
throw new EOFException("Unexpected end of ZLIB input stream");
}
Len = @in.Read(Buf, 0, Buf.Length);
if (Len == -1)
{
Buf[0] = 0;
Len = 1;
Eof = true;
}
Inf.SetInput(Buf, 0, Len);
}
/*
* Reads GZIP member trailer and returns true if the eos
* reached, false if there are more (concatenated gzip
* data set)
*/
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private boolean readTrailer() throws java.io.IOException
private bool ReadTrailer()
{
InputStream @in = this.@in;
int n = Inf.Remaining;
if (n > 0)
{
@in = new SequenceInputStream(new ByteArrayInputStream(Buf, Len - n, n), new FilterInputStreamAnonymousInnerClassHelper(this, @in));
}
// Uses left-to-right evaluation order
if ((ReadUInt(@in) != Crc.Value) || (ReadUInt(@in) != (Inf.BytesWritten & 0xffffffffL)))
{
// rfc1952; ISIZE is the input size modulo 2^32
throw new ZipException("Corrupt GZIP trailer");
}
// If there are more bytes available in "in" or
// the leftover in the "inf" is > 26 bytes:
// this.trailer(8) + next.header.min(10) + next.trailer(8)
// try concatenated case
if ([email protected]() > 0 || n > 26)
{
int m = 8; // this.trailer
try
{
m += ReadHeader(@in); // next.header
}
catch (IOException)
{
return(true); // ignore any malformed, do nothing
}
Inf.Reset();
if (n > m)
{
Inf.SetInput(Buf, Len - n + m, n - m);
}
return(false);
}
return(true);
}
