* input or output error on file system
*/
private void generateClassFile(Classifier clazz,
CompilationUnit compilationUnit) throws IOException {
// Publish an event to the bus before we generate the class file
eventBus.post(new BeforeClassFileGeneratedEvent(compilationUnit));
String fullPackageName = packageHelper.getFullPackageName(clazz,
sourceDirectoryPackageName);
// Format before we generate the class file