return;
    public void execute() throws BuildException {        Security sec = securityHolder.getSecurity(this);        if (sec == null) {            throw new BuildException(ERROR_NO_SECURITY_SETTINGS);        }        if(sec.isEmpty()) {            log(MESSAGE_EMPTY_SECURITY);        }        try {            sec.applySecuritySettings(signer);        } catch (IOException e) {            throw new BuildException(ERROR_COULD_NOT_APPLY_SETTINGS                    +sec.toString(),e);        }        signer.execute();    }