public boolean processEnvelopeHeader(InputStream is) {
boolean retval = false;
if (null != is) {
// Looks like the beginning of the envelope includes the size field ...
this.is = is;
crc.reset();
/*
** Get the file size from the first four bytes.
*/
byte[] fileSizeAndTagBytes = new byte[5];
try {
is.read(fileSizeAndTagBytes, 0, 5);
ByteDecoder bd = new ByteDecoder(fileSizeAndTagBytes);
size = bd.readInt(4);
tag = bd.readInt(1);
// ^^FQt=envel sz/tag:
// System.out.println("^^FQt" + size + "/" + tag); //remove me
retval = true;
} catch (IOException ioe) {
size = -1;
tag = -1;
}
}
return retval;
}
public Envelope(InputStream is) {
this.is = is;
crc.reset();
}