//
// Methods from InputStream
// Since Java does not have multiple inheritance, we have to
// explicitly expose InputStream's methods as part of our interface
//
public int read() throws IOException {
ensureReadyOnFirstUse();
long remain = getBytesRemaining();
// System.out.println("SICW.read() remain: " + remain);
if (remain <= 0) return -1;
return streamDataInput.read();
}
public int read(byte[] buffer, int offset, int length) throws IOException {
ensureReadyOnFirstUse();
long remain = getBytesRemaining();
// System.out.println("SICW.read( "+length+" ) remain: " + remain);
if (remain <= 0) return -1;
length = (int) Math.min(Math.min(remain, (long) length), (long) Integer.MAX_VALUE);
return streamDataInput.read(buffer, offset, length);
}
public static FileReader openReader(SeekableInput seekableinput, DatumReader datumreader)
throws IOException
{
if (seekableinput.length() < (long)DataFileConstants.MAGIC.length)
{
throw new IOException("Not an Avro data file");
}
byte abyte0[] = new byte[DataFileConstants.MAGIC.length];
seekableinput.seek(0L);
for (int i = 0; i < abyte0.length; i = seekableinput.read(abyte0, i, abyte0.length - i)) { }
seekableinput.seek(0L);
if (Arrays.equals(DataFileConstants.MAGIC, abyte0))
{
return new DataFileReader(seekableinput, datumreader);
}
if (Arrays.equals(DataFileReader12.MAGIC, abyte0))
{
return new DataFileReader12(seekableinput, datumreader);
} else
{
throw new IOException("Not an Avro data file");
}
}
public int read(byte abyte0[], int i, int j)
throws IOException
{
return in.read(abyte0, i, j);
}
public int read(byte abyte0[])
throws IOException
{
return in.read(abyte0, 0, abyte0.length);
}