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A reactive Java web server.
/*
* Copyright (c) 1998-2015 Caucho Technology -- all rights reserved
*
* This file is part of Baratine(TM)(TM)
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Baratine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Baratine 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Baratine; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.v5.log;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.ChronoField;
import java.time.temporal.Temporal;
import java.util.ArrayList;
/**
* Formats a timestamp
*/
class DateFormatter
{
static final String []DAY_NAMES = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
static final String []MONTH_NAMES = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
private static final String []SHORT_WEEKDAY = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
private static final String []LONG_WEEKDAY = {
"Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday"
};
private static final String []SHORT_MONTH = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
};
private static final String []LONG_MONTH = {
"January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December",
};
private final TimestampBase []_timestamp;
/**
* Create formatter.
*/
public DateFormatter(String format)
{
_timestamp = parse(format);
}
/**
* Formats the timestamp
*/
void format(StringBuilder sb, Temporal localDate)
{
//Instant localDate = ClockCurrent.GMT.instant();
int len = _timestamp.length;
for (int j = 0; j < len; j++) {
_timestamp[j].format(sb, localDate);
}
}
private TimestampBase []parse(String format)
{
ArrayList timestampList = new ArrayList();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < format.length(); i++) {
char ch = format.charAt(i);
int count = getCount(format, i);
switch (ch) {
case 'a': case 'A': case 'b': case 'B': case 'c':
case 'I': case 'j': case 'p':
case 'W': case 'w': case 'x': case 'X':
case 'Y': case 'Z': case 'z':
if (sb.length() > 0)
timestampList.add(new Text(sb.toString()));
sb.setLength(0);
timestampList.add(new Code(ch));
break;
case 'd':
addText(timestampList, sb);
timestampList.add(new DayItem());
i += count - 1;
break;
case 'H':
addText(timestampList, sb);
timestampList.add(new HourItem());
i += count - 1;
break;
case 'm':
addText(timestampList, sb);
timestampList.add(new MinuteItem());
i += count - 1;
break;
case 'M':
addText(timestampList, sb);
timestampList.add(new MonthItem());
i += count - 1;
break;
case 's':
addText(timestampList, sb);
timestampList.add(new SecondItem());
i += count - 1;
break;
case 'S':
addText(timestampList, sb);
timestampList.add(new MillisecondItem());
i += count - 1;
break;
case 'y':
addText(timestampList, sb);
timestampList.add(new YearItem());
i += count - 1;
break;
default:
sb.append(ch);
break;
}
}
if (sb.length() > 0) {
timestampList.add(new Text(sb.toString()));
}
TimestampBase []timestamp = new TimestampBase[timestampList.size()];
timestampList.toArray(timestamp);
return timestamp;
}
private void addText(ArrayList list, StringBuilder sb)
{
if (sb.length() > 0) {
list.add(new Text(sb.toString()));
sb.setLength(0);
}
}
private int getCount(String format, int i)
{
int count = 0;
int ch = format.charAt(i);
for (; i < format.length() && format.charAt(i) == ch; i++) {
count++;
}
return count;
}
static class TimestampBase
{
public void format(StringBuilder sb, Temporal cal)
{
}
}
static class Text extends TimestampBase {
private final char []_text;
Text(String text)
{
_text = text.toCharArray();
}
@Override
public void format(StringBuilder sb, Temporal cal)
{
sb.append(_text, 0, _text.length);
}
}
static class Code extends TimestampBase {
private final char _code;
Code(char code)
{
_code = code;
}
@Override
public void format(StringBuilder sb, Temporal cal)
{
switch (_code) {
case 'a':
sb.append(SHORT_WEEKDAY[cal.get(ChronoField.DAY_OF_WEEK)]);
break;
case 'A':
sb.append(LONG_WEEKDAY[cal.get(ChronoField.DAY_OF_WEEK)]);
break;
case 'b':
sb.append(SHORT_MONTH[cal.get(ChronoField.MONTH_OF_YEAR)]);
break;
case 'B':
sb.append(LONG_MONTH[cal.get(ChronoField.MONTH_OF_YEAR)]);
break;
case 'c':
sb.append(DateTimeFormatter.ISO_LOCAL_DATE.format(cal));
break;
case 'd':
int day = cal.get(ChronoField.DAY_OF_MONTH);
sb.append(day / 10);
sb.append(day % 10);
break;
case 'H':
int hour = (int) cal.get(ChronoField.HOUR_OF_DAY);
sb.append(hour / 10);
sb.append(hour % 10);
break;
case 'I':
hour = (int) (cal.get(ChronoField.HOUR_OF_AMPM));
if (hour == 0)
hour = 12;
sb.append(hour / 10);
sb.append(hour % 10);
break;
case 'j':
day = cal.get(ChronoField.DAY_OF_YEAR);
sb.append((day + 1) / 100);
sb.append((day + 1) / 10 % 10);
sb.append((day + 1) % 10);
break;
case 'm':
int month = cal.get(ChronoField.MONTH_OF_YEAR);
sb.append((month) / 10);
sb.append((month) % 10);
break;
case 'M':
int minute = cal.get(ChronoField.MINUTE_OF_HOUR);
sb.append((minute / 10) % 6);
sb.append((minute) % 10);
break;
case 'p':
hour = cal.get(ChronoField.HOUR_OF_DAY);
if (hour < 12)
sb.append("am");
else
sb.append("pm");
break;
case 'S':
int second = cal.get(ChronoField.SECOND_OF_MINUTE);
sb.append(second / 10 % 6);
sb.append(second % 10);
break;
case 's':
int milli = cal.get(ChronoField.MILLI_OF_SECOND);
sb.append((milli / 100) % 10);
sb.append((milli / 10) % 10);
sb.append(milli % 10);
break;
case 'W':
int week = cal.get(ChronoField.ALIGNED_WEEK_OF_YEAR);
sb.append((week + 1) / 10);
sb.append((week + 1) % 10);
break;
case 'w':
sb.append(cal.get(ChronoField.DAY_OF_WEEK));
break;
case 'x':
sb.append(DateTimeFormatter.ISO_LOCAL_DATE.format(cal));
//sb.append(cal.printShortLocaleDate());
break;
case 'X':
sb.append(DateTimeFormatter.ISO_LOCAL_TIME.format(cal));
//sb.append(cal.printShortLocaleTime());
break;
case 'y':
{
int year = cal.get(ChronoField.YEAR);
sb.append(year / 10 % 10);
sb.append(year % 10);
break;
}
case 'Y':
{
int year = cal.get(ChronoField.YEAR);
sb.append(year / 1000 % 10);
sb.append(year / 100 % 10);
sb.append(year / 10 % 10);
sb.append(year % 10);
break;
}
case 'Z':
/*
if (cal.getZoneName() == null)
sb.append("GMT");
else
sb.append(cal.getZoneName());
*/
sb.append("GMT");
break;
case 'z':
long offset = 0;//cal.getZoneOffset();
if (offset < 0) {
sb.append("-");
offset = - offset;
}
else
sb.append("+");
sb.append((offset / 36000000) % 10);
sb.append((offset / 3600000) % 10);
sb.append((offset / 600000) % 6);
sb.append((offset / 60000) % 10);
break;
}
}
}
static class YearItem extends TimestampBase
{
@Override
public void format(StringBuilder sb, Temporal cal)
{
int year = cal.get(ChronoField.YEAR);
sb.append(year / 1000 % 10);
sb.append(year / 100 % 10);
sb.append(year / 10 % 10);
sb.append(year % 10);
}
}
static class MonthItem extends TimestampBase
{
@Override
public void format(StringBuilder sb, Temporal cal)
{
int month = cal.get(ChronoField.MONTH_OF_YEAR);
sb.append((month) / 10);
sb.append((month) % 10);
}
}
static class DayItem extends TimestampBase
{
@Override
public void format(StringBuilder sb, Temporal cal)
{
int day = cal.get(ChronoField.DAY_OF_MONTH);
sb.append(day / 10);
sb.append(day % 10);
}
}
static class HourItem extends TimestampBase
{
@Override
public void format(StringBuilder sb, Temporal cal)
{
int hour = cal.get(ChronoField.HOUR_OF_DAY);
sb.append(hour / 10);
sb.append(hour % 10);
}
}
static class MinuteItem extends TimestampBase
{
@Override
public void format(StringBuilder sb, Temporal cal)
{
int minute = cal.get(ChronoField.MINUTE_OF_HOUR);
sb.append((minute / 10) % 6);
sb.append((minute) % 10);
}
}
static class SecondItem extends TimestampBase
{
@Override
public void format(StringBuilder sb, Temporal cal)
{
int second = cal.get(ChronoField.SECOND_OF_MINUTE);
sb.append((second / 10) % 6);
sb.append((second) % 10);
}
}
static class MillisecondItem extends TimestampBase
{
@Override
public void format(StringBuilder sb, Temporal cal)
{
int milli = cal.get(ChronoField.MILLI_OF_SECOND);
sb.append((milli / 100) % 10);
sb.append((milli / 10) % 10);
sb.append((milli) % 10);
}
}
}
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