org.orcid.frontend.web.forms.validate.FirstIntegerNotHigherThanSecondIntegerValidator.java Source code

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Here is the source code for org.orcid.frontend.web.forms.validate.FirstIntegerNotHigherThanSecondIntegerValidator.java

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/**
 * =============================================================================
 *
 * ORCID (R) Open Source
 * http://orcid.org
 *
 * Copyright (c) 2012-2014 ORCID, Inc.
 * Licensed under an MIT-Style License (MIT)
 * http://orcid.org/open-source-license
 *
 * This copyright and license information (including a link to the full license)
 * shall be included in its entirety in all copies or substantial portion of
 * the software.
 *
 * =============================================================================
 */
package org.orcid.frontend.web.forms.validate;

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

import org.apache.commons.beanutils.BeanUtils;
import org.apache.commons.lang.StringUtils;

public class FirstIntegerNotHigherThanSecondIntegerValidator
        implements ConstraintValidator<IntegerCompare, Object> {

    private String firstFieldName;
    private String secondFieldName;

    @Override
    public void initialize(final IntegerCompare constraintAnnotation) {
        firstFieldName = constraintAnnotation.firstNumber();
        secondFieldName = constraintAnnotation.secondNumber();
    }

    @Override
    public boolean isValid(final Object value, final ConstraintValidatorContext context) {
        try {

            String firstNumberField = BeanUtils.getProperty(value, firstFieldName);
            String secondNumberField = BeanUtils.getProperty(value, secondFieldName);

            if (!StringUtils.isNumeric(firstNumberField) || !StringUtils.isNumeric(secondNumberField)) {
                return true;
            }

            Integer firstNumValue = Integer.valueOf(firstNumberField);
            Integer secondNumValue = Integer.valueOf(secondNumberField);
            return secondNumValue.compareTo(firstNumValue) >= 0;

        } catch (final Exception ignore) {
            ignore.printStackTrace();

        }
        return false;
    }
}