public static boolean validNumberIntervalExpress()

in hertzbeat-common/src/main/java/org/apache/hertzbeat/common/util/IntervalExpressionUtil.java [51:105]
55 lines of code
23 McCabe index (conditional complexity)

    public static boolean validNumberIntervalExpress(Double numberValue, String expression) {
        if (expression == null || expression.isEmpty()) {
            return true;
        }
        if (numberValue == null) {
            return false;
        }
        try {
            String[] expressions = expression.split(SPLIT_OR);
            for (String expr : expressions) {
                String[] values = expr.substring(1, expr.length() - 1).split(SPLIT_AND);
                if (values.length != 2) {
                    continue;
                }
                Double[] doubleValues = new Double[2];
                if (NEGATIVE.equals(values[0])) {
                    doubleValues[0] = Double.NEGATIVE_INFINITY;
                } else {
                    doubleValues[0] = Double.parseDouble(values[0]);
                }
                if (POSITIVE.equals(values[1])) {
                    doubleValues[1] = Double.POSITIVE_INFINITY;
                } else {
                    doubleValues[1] = Double.parseDouble(values[1]);
                }
                String startBracket = expr.substring(0, 1);
                String endBracket = expr.substring(expr.length() - 1);
                if (SPLIT_EQU_LEFT.equals(startBracket)) {
                    if (SPLIT_EQU_RIGHT.equals(endBracket)) {
                        if (numberValue > doubleValues[0] && numberValue < doubleValues[1]) {
                            return true;
                        }
                    } else if (SPLIT_EQ_RIGHT.equals(endBracket)) {
                        if (numberValue > doubleValues[0] && numberValue <= doubleValues[1]) {
                            return true;
                        }
                    }
                } else if (SPLIT_EQ_LEFT.equals(startBracket)) {
                    if (SPLIT_EQU_RIGHT.equals(endBracket)) {
                        if (numberValue >= doubleValues[0] && numberValue < doubleValues[1]) {
                            return true;
                        }
                    } else if (SPLIT_EQ_RIGHT.equals(endBracket)) {
                        if (numberValue >= doubleValues[0] && numberValue <= doubleValues[1]) {
                            return true;
                        }
                    }
                }
            }
            return false;
        } catch (Exception e) {
            log.debug(e.getMessage(), e);
            return false;
        }
    }