c14nizer = new Canonicalizer11_OmitComments();
} else {
c14nizer = new Canonicalizer20010315OmitComments();
}
c14nizer.setWriter(diOs);
c14nizer.engineCanonicalize(this);
} else {
if (_inputOctetStreamProxy instanceof FileInputStream) {
byte[] buffer = new byte[4 * 1024];
int bytesread = 0;
while ((bytesread = _inputOctetStreamProxy.read(buffer)) != -1 ) {