private static void tryCatch(Buffer b, Class<?> ex, Runnable thunk) {
boolean caught = false;
try {
thunk.run();
} catch (Throwable x) {
if (ex.isAssignableFrom(x.getClass())) {
caught = true;
} else {
fail(x.getMessage() + " not expected");
}
}
if (!caught) fail(ex.getName() + " not thrown", b);
}
/** Does the <code>DataFlavor</code> represent a <code>java.io.InputStream</code>? */
public boolean isRepresentationClassInputStream() {
return ioInputStreamClass.isAssignableFrom(representationClass);
}