public void cleanup() {
try {
if (compositor != null) compositor.Native_destroy();
threadEnv.Destroy();
threadEnv.Native_destroy();
wrappedSource.Native_destroy();
familySource.Native_destroy();
if (rawSource != null) rawSource.Native_destroy();
} catch (KduException e) {
System.err.printf("Exception on Kdu object cleanup: %s\n", e.getMessage());
}
}
