Service component registration for defective password validator

DefectivePasswordValidatorServiceComponent.java

@Activate
protected void activate(ComponentContext context) {

    try {

        context.getBundleContext().registerService(AbstractEventHandler.class.getName(),
                new DefectivePasswordValidatorEventHandler(), null);

        // initialize all defective passwords from the text file
        DefaultDefectivePasswordValidator.getInstance().initValues();

        // initialize watchservice on /defective directory
        initializeWatchService();

    } catch (Throwable e) {
        log.error("Error occured while initializing service component", e);
    }
}

@Deactivate
protected void deactivate(ComponentContext context) { }