Java Year Get getYear(String strDate)

Description

get Year

License

Open Source License

Declaration

public static final int getYear(String strDate) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

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

public class Main {
    private static String defaultDatePattern = "yyyy-MM-dd";
    public static SimpleDateFormat dateTimeFormatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    public static final int getYear(String strDate) {

        Calendar cale = toCalendar(strDate);
        if (cale == null) {
            return -1;
        }/*from  w  ww  .j  av  a 2  s  .  c o m*/
        return cale.get(Calendar.YEAR);
    }

    private static final Calendar toCalendar(String strDate) {
        Calendar cale = null;
        try {
            Date thisDate = dateTimeFormatter.parse(strDate);
            cale = Calendar.getInstance();
            cale.setTime(thisDate);
        } catch (Exception e) {
            return null;
        }
        return cale;
    }

    public static Date parse(String strDate) throws ParseException {
        return parse(strDate, getDatePattern());
    }

    public static Date parse(String strDate, String pattern) {
        SimpleDateFormat df = new SimpleDateFormat(pattern);
        try {
            return df.parse(strDate);
        } catch (ParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return null;
    }

    public static Date parse(Date strDate, String pattern) {
        SimpleDateFormat df = new SimpleDateFormat(pattern);
        try {
            return df.parse(df.format(strDate));
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static String getDatePattern() {
        return defaultDatePattern;
    }

    public static String format(Date date) {
        return format(date, getDatePattern());
    }

    public static String format(Date date, String pattern) {
        String returnValue = "";

        if (date != null) {
            SimpleDateFormat df = new SimpleDateFormat(pattern);
            returnValue = df.format(date);
        }

        return (returnValue);
    }
}

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