Java Parse Date Pattern YYYY parseNanos(final String date)

Here you can find the source of parseNanos(final String date)

Description

parse Nanos

License

Open Source License

Declaration

public static final long parseNanos(final String date) throws Exception 

Method Source Code


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

import java.text.DateFormat;

import java.text.SimpleDateFormat;

public class Main {
    private static DateFormat D8 = new SimpleDateFormat("yyyyMMdd");
    private static DateFormat D9 = new SimpleDateFormat("yyyyMMdd'Z'");
    private static DateFormat D10 = new SimpleDateFormat("yyyy-MM-dd");
    private static DateFormat D11 = new SimpleDateFormat("yyyy-MM-dd'Z'");
    private static DateFormat D15 = new SimpleDateFormat("yyyyMMdd'T'HHmmss");
    private static DateFormat D16 = new SimpleDateFormat("yyyyMMdd'T'HHmmss'Z'");
    private static DateFormat D19a = new SimpleDateFormat("yyyyMMdd'T'HHmmss.SSS");
    private static DateFormat D19b = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
    private static DateFormat D20a = new SimpleDateFormat("yyyyMMdd'T'HHmmss.SSS'Z'");
    private static DateFormat D20b = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
    private static DateFormat D23 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS");
    private static DateFormat D24 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
    private static DateFormat D25 = new SimpleDateFormat("yyyyMMdd'T'HHmmss.SSS");
    private static DateFormat D26 = new SimpleDateFormat("yyyyMMdd'T'HHmmss.SSS'Z'");
    private static DateFormat D29 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS");
    private static DateFormat D30 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'");
    private static final long MM = 1000000L;

    public static final long parseNanos(final String date) throws Exception {

        switch (date.length()) {

        case 8: { // '0' 20100824
            synchronized (D8) {
                return MM * D8.parse(date).getTime();
            }/*from w  ww  . j  av  a2s .  c o m*/
        }

        case 9: { // '0' 20100824Z
            synchronized (D9) {
                return MM * D9.parse(date).getTime();
            }
        }

        case 10: { // '-' 2010-08-24
            synchronized (D10) {
                return MM * D10.parse(date).getTime();
            }
        }

        case 11: { // '-' 2010-08-24Z
            synchronized (D11) {
                return MM * D11.parse(date).getTime();
            }
        }

        case 15: { // '0' 20100824T120000
            synchronized (D15) {
                return MM * D15.parse(date).getTime();
            }
        }

        case 16: { // '0' 20100824T120000Z
            synchronized (D16) {
                return MM * D16.parse(date).getTime();
            }
        }

        case 19: { // '0' 20100824T120000.000 // '-' 2010-08-24T12:00:00
            switch (date.charAt(4)) {
            case '-':
                synchronized (D19b) {
                    return MM * D19b.parse(date).getTime();
                }
            default:
                synchronized (D19a) {
                    return MM * D19a.parse(date).getTime();
                }
            }
        }

        case 20: { // '0' 20100824T120000.000Z // '-' 2010-08-24T12:00:00Z
            switch (date.charAt(4)) {
            case '-':
                synchronized (D20b) {
                    return MM * D20b.parse(date).getTime();
                }
            default:
                synchronized (D20a) {
                    return MM * D20a.parse(date).getTime();
                }
            }
        }

        case 23: { // '-' 2010-08-24T12:00:00.000
            synchronized (D23) {
                return MM * D23.parse(date).getTime();
            }
        }
        case 24: { // '-' 2010-08-24T12:00:00.000Z
            synchronized (D24) {
                return MM * D24.parse(date).getTime();
            }
        }

        case 25: { // '0' 20100824T120000.000000000
            final String time = date.substring(0, 19);
            final long nanos = new Long(date.substring(19));
            synchronized (D25) {
                return MM * D25.parse(time).getTime() + nanos;
            }
        }

        case 26: { // '0' 20100824T120000.000000000Z
            final String time = date.substring(0, 19) + "Z";
            final long nanos = new Long(date.substring(19, 25));
            synchronized (D26) {
                return MM * D26.parse(time).getTime() + nanos;
            }
        }

        case 29: { // '-' 2010-08-24T12:00:00.000000000
            final String time = date.substring(0, 23);
            final long nanos = new Long(date.substring(23));
            synchronized (D29) {
                return MM * D29.parse(time).getTime() + nanos;
            }
        }

        case 30: { // '-' 2010-08-24T12:00:00.000000000Z
            final String time = date.substring(0, 23) + "Z";
            final long nanos = new Long(date.substring(23, 29));
            synchronized (D30) {
                return MM * D30.parse(time).getTime() + nanos;
            }
        }

        }
        throw new IllegalArgumentException(date);
    }
}

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