br.com.surittec.surivalidation.validator.DateRangeValidator.java Source code

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Here is the source code for br.com.surittec.surivalidation.validator.DateRangeValidator.java

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/*
 * SURITTEC
 * Copyright 2014, TTUS TECNOLOGIA DA INFORMACAO LTDA, 
 * and individual contributors as indicated by the @authors tag
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package br.com.surittec.surivalidation.validator;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

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

import org.apache.commons.lang.StringUtils;

import br.com.surittec.surivalidation.constraints.DateRange;
import br.com.surittec.util.data.DateUtil;

public class DateRangeValidator implements ConstraintValidator<DateRange, Date> {

    private boolean nullable;
    private Date minDate;
    private Date maxDate;
    private SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");

    @Override
    public boolean isValid(Date value, ConstraintValidatorContext context) {
        if (nullable && value == null)
            return true;

        if ((minDate == null || !value.before(minDate)) && (maxDate == null || !value.after(maxDate))) {
            return true;
        }
        return false;
    }

    @Override
    public void initialize(DateRange constraintAnnotation) {
        nullable = constraintAnnotation.nullable();
        try {
            if (StringUtils.isNotBlank(constraintAnnotation.minDate()))
                minDate = DateUtil.toFirstTime(formatter.parse(constraintAnnotation.minDate()));
            if (StringUtils.isNotBlank(constraintAnnotation.maxDate()))
                maxDate = DateUtil.toLastTime(formatter.parse(constraintAnnotation.maxDate()));
        } catch (ParseException e) {
            e.printStackTrace();
        }
    }
}