com.yukthi.validators.FutureOrTodayValidator.java Source code

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Here is the source code for com.yukthi.validators.FutureOrTodayValidator.java

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/*
 * The MIT License (MIT)
 * Copyright (c) 2015 "Yukthi Techsoft Pvt. Ltd." (http://yukthi-tech.co.in)
    
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package com.yukthi.validators;

import java.util.Calendar;
import java.util.Date;

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

import org.apache.commons.lang3.time.DateUtils;

import com.yukthi.validation.annotations.FutureOrToday;

/**
 * Validator - to validate the target date either future date or today
 * @author akiran
 */
public class FutureOrTodayValidator implements ConstraintValidator<FutureOrToday, Date> {
    /* (non-Javadoc)
     * @see javax.validation.ConstraintValidator#initialize(java.lang.annotation.Annotation)
     */
    @Override
    public void initialize(FutureOrToday matchWith) {
    }

    /* (non-Javadoc)
     * @see javax.validation.ConstraintValidator#isValid(java.lang.Object, javax.validation.ConstraintValidatorContext)
     */
    @Override
    public boolean isValid(Date targetDate, ConstraintValidatorContext context) {
        //if target date is not present, ignore validator
        if (targetDate == null) {
            return true;
        }

        //compare target date with today
        Date today = DateUtils.truncate(new Date(), Calendar.DATE);
        targetDate = DateUtils.truncate(targetDate, Calendar.DATE);

        return (targetDate.compareTo(today) >= 0);
    }
}