com.github.fashionbrot.internal.MaxConstraint Maven / Gradle / Ivy

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validation 参数验证 https://github.com/fashionbrot/validation

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package com.github.fashionbrot.internal;

import com.github.fashionbrot.annotation.Max;
import com.github.fashionbrot.common.util.ObjectUtil;
import com.github.fashionbrot.constraint.ConstraintValidator;
import com.github.fashionbrot.util.ClassUtil;

import java.math.BigDecimal;
import java.math.BigInteger;

/**
 * @author fashionbrot
 */
public class MaxConstraint implements ConstraintValidator {
    @Override
    public boolean isValid(Max annotation, Object value, Class valueType) {
        if (value == null) {
            return annotation.skipEmpty();
        }
        if (ObjectUtil.isEmpty(annotation.value())) {
            return true;
        }


        BigDecimal max = new BigDecimal(annotation.value());
        if (ClassUtil.isBigDecimal(valueType)) {
            return max.compareTo((BigDecimal) value) > -1;
        } else if (ClassUtil.isBigInteger(valueType)) {
            BigInteger bigInteger = (BigInteger) value;
            return max.toBigInteger().longValue() >= bigInteger.longValue();
        } else if (ClassUtil.isShort(valueType)) {
            Short obj = (Short) value;
            return max.shortValue() >= obj.shortValue();
        } else if (ClassUtil.isInt(valueType)) {
            Integer obj = (Integer) value;
            return max.intValue() >= obj.intValue();
        } else if (ClassUtil.isLong(valueType)) {
            Long obj = (Long) value;
            return max.longValue() >= obj.longValue();
        } else if (ClassUtil.isFloat(valueType)) {
            Float obj = (Float) value;
            return max.floatValue() >= obj.floatValue();
        } else if (ClassUtil.isDouble(valueType)) {
            Double obj = (Double) value;
            return max.doubleValue() >= obj.doubleValue();
        }

        return true;
    }
}