private void validateTimer()

in jbpm/jbpm-flow/src/main/java/org/jbpm/ruleflow/core/validation/RuleFlowProcessValidator.java [870:936]
64 lines of code
20 McCabe index (conditional complexity)

    private void validateTimer(final Timer timer,
            final org.kie.api.definition.process.Node node,
            final RuleFlowProcess process,
            final List<ProcessValidationError> errors) {
        if (timer.getDelay() == null && timer.getDate() == null) {
            addErrorMessage(process,
                    node,
                    errors,
                    "Has timer with no delay or date specified.");
        } else {
            if (timer.getDelay() != null && !timer.getDelay().contains("#{")) {
                try {
                    switch (timer.getTimeType()) {
                        case Timer.TIME_CYCLE:
                            if (!KieCronExpression.isValidExpression(timer.getDelay())) {
                                // when using ISO date/time period is not set
                                DateTimeUtils.parseRepeatableDateTime(timer.getDelay());
                            }
                            break;
                        case Timer.TIME_DURATION:
                            DateTimeUtils.parseDuration(timer.getDelay());
                            break;
                        case Timer.TIME_DATE:
                            DateTimeUtils.parseDateAsDuration(timer.getDate());
                            break;
                        default:
                            break;
                    }
                } catch (RuntimeException e) {
                    if (!isExpression(process, timer.getDelay())) {
                        addErrorMessage(process,
                                node,
                                errors,
                                "Could not parse delay '" + timer.getDelay() + "': " + e.getMessage());
                    }
                }
            }
        }
        if (timer.getPeriod() != null && !timer.getPeriod().contains("#{")) {
            try {
                if (!KieCronExpression.isValidExpression(timer.getPeriod())) {
                    // when using ISO date/time period is not set
                    DateTimeUtils.parseRepeatableDateTime(timer.getPeriod());
                }
            } catch (RuntimeException e) {
                if (!isExpression(process, timer.getPeriod())) {
                    addErrorMessage(process,
                            node,
                            errors,
                            "Could not parse period '" + timer.getPeriod() + "': " + e.getMessage());
                }
            }
        }

        if (timer.getDate() != null && !timer.getDate().contains("#{")) {
            try {
                DateTimeUtils.parseDateAsDuration(timer.getDate());
            } catch (RuntimeException e) {
                if (!isExpression(process, timer.getDate())) {
                    addErrorMessage(process,
                            node,
                            errors,
                            "Could not parse date '" + timer.getDate() + "': " + e.getMessage());
                }
            }
        }
    }