com.nls.validation.RequiredValidator Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of common-util Show documentation

Common utility classes

The newest version!

package com.nls.validation;

import com.google.common.base.Strings;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

public class RequiredValidator implements ConstraintValidator {

    private boolean trim;

    public void initialize(Required parameters) {
        trim = parameters.trim();
    }

    public boolean isValid(String object, ConstraintValidatorContext context) {
        return trim ? !Strings.isNullOrEmpty(Strings.nullToEmpty(object).trim()) : !Strings.isNullOrEmpty(object);
    }
}