I've finally found the problem:
/**
* Returns 0 when when this stream has exhausted its input; and 1
otherwise.
* A result of 1 does not guarantee that further bytes can be
returned,
* with or without blocking.
*
* <p>Although consistent with the RI, this behavior is
inconsistent with
* {...@link InputStream#available()}, and violates the <a
* href="http://en.wikipedia.org/wiki/
Liskov_substitution_principle">Liskov
* Substitution Principle</a>. This method should not be used.
*
* @return 0 if no further bytes are available. Otherwise returns
1,
* which suggests (but does not guarantee) that additional
bytes are
* available.
* @throws IOException if this stream is closed or an error occurs
*/
@Override
public int available() throws IOException {
if (closed) {
// archive.1E=Stream is closed
throw new IOException(Messages.getString("archive.1E")); //
$NON-NLS-1$
}
if (eof) {
return 0;
}
return 1;
}
Google YMMD! (The "official" oracle javadoc isn't that clear about the
violation)
So what was happening? The kXML happily checked for available bytes,
always received 1 and happily got stuck reading the input. I've now
wrapped the available method like this
@Override
public int available() throws IOException {
if (inf.needsInput()) {
return 0;
}
return super.available();
}
and everything is working as expected....
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