io.relayr.java.model.models.schema.NumberSchema Maven / Gradle / Ivy

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package io.relayr.java.model.models.schema;

public class NumberSchema extends ValueSchema {

    public NumberSchema(ValueSchema schema) {
        super(schema);

        minimum = schema.minimum;
        maximum = schema.maximum;
        exclusiveMinimum = schema.exclusiveMinimum;
        exclusiveMaximum = schema.exclusiveMaximum;
        multipleOf = schema.multipleOf;
    }

    /** @return minimum value. */
    public Number getMin() {
        return minimum == null ? null : minimum.doubleValue();
    }

    /** @return maximum value. */
    public Number getMax() {
        return maximum == null ? null : maximum.doubleValue();
    }

    /**
     * If "exclusiveMinimum" is present, "minimum" MUST also be present.
     * if "exclusiveMinimum" is not present, or has boolean value false, then the instance is valid
     * if it is greater than, or equal to, the value of "minimum";
     * if "exclusiveMinimum" is present and has boolean value true, the instance is valid if
     * it is strictly greater than the value of "minimum".
     */
    public Boolean getExclusiveMin() {
        return exclusiveMinimum;
    }

    /**
     * If "exclusiveMaximum" is present, "maximum" MUST also be present.
     * if "exclusiveMaximum" is not present, or has boolean value false, then the instance is valid
     * if it is lower than, or equal to, the value of "maximum".
     * if "exclusiveMaximum" has boolean value true, the instance is valid if it is strictly lower
     * than the value of "maximum".
     */
    public Boolean getExclusiveMax() {
        return exclusiveMaximum;
    }

    /** If defined this number MUST be strictly greater than 0. */
    public Number getMultipleOf() {
        return multipleOf;
    }

    @Override public boolean validate(Object value) {
        if (!validateNull(value)) return false;
        if (!(value instanceof Number)) return false;

        Double numValue;
        try {
            numValue = (Double) value;
        } catch (ClassCastException e) {
            numValue = ((Integer) value).doubleValue();
        }

        if (multipleOf != null)
            if (numValue.intValue() % multipleOf.intValue() != 0) return false;

        if (exclusiveMaximum != null && exclusiveMaximum) {
            if (maximum == null) return false;
            if (!(numValue < maximum.doubleValue())) return false;
        } else {
            if (maximum != null && !(numValue <= maximum.doubleValue())) return false;
        }

        if (exclusiveMinimum != null && exclusiveMinimum) {
            if (minimum == null) return false;
            if (!(numValue > minimum.doubleValue())) return false;
        } else {
            if (minimum != null && !(numValue >= minimum.doubleValue())) return false;
        }

        return true;
    }
}