com.automationrockstars.gir.data.converter.SmartDateConverter Maven / Gradle / Ivy

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/*
 * 
 */

package com.automationrockstars.gir.data.converter;

import com.google.common.base.CharMatcher;
import org.apache.commons.beanutils.converters.DateTimeConverter;

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

public class SmartDateConverter extends DateTimeConverter {

    public SmartDateConverter() {
        super();
        setPatterns(new String[]{"dd/MM/yyyy", "dd-MM-yyyy", "dd.MM.yyyy", "MM/yyyy", "MM-yyyy", "MM.yyyy"});
    }

    public static String doubleDay(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        return String.format("%1$td", cal);
    }

    public static String day(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        return String.format("%1$te", cal);

    }

    public static String month(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        return String.format("%1$tm", cal);
    }

    public static String year(Date date) {
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);
        return String.format("%1$tY", cal);
    }

    @Override
    protected Class getDefaultType() {
        return Date.class;
    }

    @SuppressWarnings("unchecked")
    @Override
    protected  T convertToType(Class targetType, Object value) throws Exception {
        final Calendar c = Calendar.getInstance();
        final Random rnd = new Random(14232345);
        c.setTime(new Date());
        if (targetType.equals(Date.class) && value != null) {
            if ("now".equals(value.toString().toLowerCase()) || "today".equals(value.toString().toLowerCase())) {
                return (T) c.getTime();
            } else if ("yesterday".equals(value.toString().toLowerCase())) {
                c.add(Calendar.DATE, -1);
                return (T) c.getTime();
            } else if ("tomorrow".equals(value.toString().toLowerCase())) {
                c.add(Calendar.DATE, 1);
                return (T) c.getTime();
            } else if (value.toString().toLowerCase().startsWith("in ")) {
                int amount = Integer.valueOf(CharMatcher.javaDigit().retainFrom(value.toString()));
                int type = Calendar.DATE;
                if (value.toString().toLowerCase().endsWith("months") || value.toString().toLowerCase().endsWith("month")) {
                    type = Calendar.MONTH;
                } else if (value.toString().toLowerCase().endsWith("year") || value.toString().toLowerCase().endsWith("years")) {
                    type = Calendar.YEAR;
                }
                c.add(type, amount);
                return (T) c.getTime();
            } else if ("next month".equals(value.toString().toLowerCase())) {
                c.add(Calendar.MONTH, 1);
                return (T) c.getTime();
            } else if ("next year".equals(value.toString().toLowerCase())) {
                c.add(Calendar.YEAR, 1);
                return (T) c.getTime();
            } else if ("random future".equals(value.toString().toLowerCase())) {
                c.add(Calendar.DATE, rnd.nextInt(30));
                c.add(Calendar.MONTH, rnd.nextInt(12));
                c.add(Calendar.YEAR, rnd.nextInt(5));
                return (T) c.getTime();
            } else if ("random past".equals(value.toString().toLowerCase())) {
                c.add(Calendar.DATE, -1 * rnd.nextInt(30));
                c.add(Calendar.MONTH, -1 * rnd.nextInt(12));
                c.add(Calendar.YEAR, -1 * rnd.nextInt(30));
                return (T) c.getTime();
            } else if ("random".equals(value.toString().toLowerCase())) {
                if (rnd.nextBoolean()) {
                    c.add(Calendar.DATE, rnd.nextInt(30));
                    c.add(Calendar.MONTH, rnd.nextInt(12));
                    c.add(Calendar.YEAR, rnd.nextInt(30));
                } else {
                    c.add(Calendar.DATE, -1 * rnd.nextInt(30));
                    c.add(Calendar.MONTH, -1 * rnd.nextInt(12));
                    c.add(Calendar.YEAR, -1 * rnd.nextInt(30));
                }
                return (T) c.getTime();
            } else if (value.toString().toLowerCase().endsWith("years ago")) {
                int difference = Integer.valueOf(CharMatcher.javaDigit().retainFrom((CharSequence) value));
                c.add(Calendar.YEAR, -1 * difference);
                if (value.toString().startsWith("over")) {
                    c.add(Calendar.YEAR, -1 * rnd.nextInt(10));
                }
                return (T) c.getTime();
            } else if (value.toString().length() == 0) {
                return null;
            }
        }
        return super.convertToType(targetType, value);
    }
}