/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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.
*
* Resin Open Source 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 Resin Open Source; 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.log;
import java.util.ArrayList;
import java.util.logging.Formatter;
import java.util.logging.LogRecord;
import com.caucho.inject.Module;
import com.caucho.loader.Environment;
import com.caucho.server.util.CauchoSystem;
import com.caucho.util.Alarm;
import com.caucho.util.QDate;
/**
* Formats a timestamp
*/
@Module
public class TimestampFormatter extends Formatter {
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 TimestampBase []_timestamp;
/**
* Create formatter.
*/
public TimestampFormatter()
{
setTimestamp("[%Y-%m-%d %H:%M:%S] %{level} {%{thread}} ");
}
public void setValue(String timestamp)
{
setTimestamp(timestamp);
}
public void setTimestamp(String timestamp)
{
ArrayList<TimestampBase> timestampList = new ArrayList<TimestampBase>();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < timestamp.length(); i++) {
char ch = timestamp.charAt(i);
if (ch == '%') {
ch = timestamp.charAt(i + 1);
switch (ch) {
case 'a': case 'A': case 'b': case 'B': case 'c': case 'd':
case 'H': case 'I': case 'j': case 'm': case 'M': case 'p':
case 'S': case 's': case 'W': case 'w': case 'x': case 'X':
case 'y': case 'Y': case 'Z': case 'z':
if (sb.length() > 0)
timestampList.add(new Text(sb.toString()));
sb.setLength(0);
timestampList.add(new Code(ch));
i++;
break;
case '{':
if (sb.length() > 0)
timestampList.add(new Text(sb.toString()));
sb.setLength(0);
for (i += 2;
i < timestamp.length() && timestamp.charAt(i) != '}';
i++) {
sb.append((char) timestamp.charAt(i));
}
String type = sb.toString();
sb.setLength(0);
if ("thread".equals(type)) {
timestampList.add(new ThreadTimestamp());
}
else if ("level".equals(type)) {
timestampList.add(new LevelTimestamp());
}
else if ("env".equals(type)) {
timestampList.add(new EnvTimestamp());
}
else {
sb.append("%{" + type + "}");
}
break;
default:
sb.append('%');
break;
}
}
else
sb.append(ch);
}
if (sb.length() > 0)
timestampList.add(new Text(sb.toString()));
_timestamp = new TimestampBase[timestampList.size()];
timestampList.toArray(_timestamp);
}
/**
* Formats the record
*/
@Override
public String format(LogRecord log)
{
if (_timestamp == null) {
return log.getMessage();
}
long now;
if (CauchoSystem.isTesting())
now = Alarm.getCurrentTime();
else
now = System.currentTimeMillis();
StringBuilder sb = new StringBuilder();
QDate localDate = QDate.allocateLocalDate();
localDate.setGMTTime(now);
int len = _timestamp.length;
for (int j = 0; j < len; j++) {
_timestamp[j].format(sb, localDate, log);
}
QDate.freeLocalDate(localDate);
sb.append(log.getMessage());
return sb.toString();
}
static class TimestampBase {
public void format(StringBuilder sb, QDate cal, LogRecord log)
{
}
}
static class Text extends TimestampBase {
private final char []_text;
Text(String text)
{
_text = text.toCharArray();
}
@Override
public void format(StringBuilder sb, QDate cal, LogRecord log)
{
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, QDate cal, LogRecord log)
{
switch (_code) {
case 'a':
sb.append(SHORT_WEEKDAY[cal.getDayOfWeek() - 1]);
break;
case 'A':
sb.append(LONG_WEEKDAY[cal.getDayOfWeek() - 1]);
break;
case 'b':
sb.append(SHORT_MONTH[cal.getMonth()]);
break;
case 'B':
sb.append(LONG_MONTH[cal.getMonth()]);
break;
case 'c':
sb.append(cal.printLocaleDate());
break;
case 'd':
sb.append((cal.getDayOfMonth()) / 10);
sb.append((cal.getDayOfMonth()) % 10);
break;
case 'H':
int hour = (int) (cal.getTimeOfDay() / 3600000) % 24;
sb.append(hour / 10);
sb.append(hour % 10);
break;
case 'I':
hour = (int) (cal.getTimeOfDay() / 3600000) % 12;
if (hour == 0)
hour = 12;
sb.append(hour / 10);
sb.append(hour % 10);
break;
case 'j':
sb.append((cal.getDayOfYear() + 1) / 100);
sb.append((cal.getDayOfYear() + 1) / 10 % 10);
sb.append((cal.getDayOfYear() + 1) % 10);
break;
case 'm':
sb.append((cal.getMonth() + 1) / 10);
sb.append((cal.getMonth() + 1) % 10);
break;
case 'M':
sb.append((cal.getTimeOfDay() / 600000) % 6);
sb.append((cal.getTimeOfDay() / 60000) % 10);
break;
case 'p':
hour = (int) (cal.getTimeOfDay() / 3600000) % 24;
if (hour < 12)
sb.append("am");
else
sb.append("pm");
break;
case 'S':
sb.append((cal.getTimeOfDay() / 10000) % 6);
sb.append((cal.getTimeOfDay() / 1000) % 10);
break;
case 's':
sb.append((cal.getTimeOfDay() / 100) % 10);
sb.append((cal.getTimeOfDay() / 10) % 10);
sb.append(cal.getTimeOfDay() % 10);
break;
case 'W':
int week = cal.getWeek();
sb.append((week + 1) / 10);
sb.append((week + 1) % 10);
break;
case 'w':
sb.append(cal.getDayOfWeek() - 1);
break;
case 'x':
sb.append(cal.printShortLocaleDate());
break;
case 'X':
sb.append(cal.printShortLocaleTime());
break;
case 'y':
{
int year = cal.getYear();
sb.append(year / 10 % 10);
sb.append(year % 10);
break;
}
case 'Y':
{
int year = cal.getYear();
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());
break;
case 'z':
long offset = 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 ThreadTimestamp extends TimestampBase {
@Override
public void format(StringBuilder sb, QDate cal, LogRecord log)
{
sb.append(Thread.currentThread().getName());
}
}
static class LevelTimestamp extends TimestampBase {
@Override
public void format(StringBuilder sb, QDate cal, LogRecord log)
{
sb.append(log.getLevel());
}
}
static class EnvTimestamp extends TimestampBase {
@Override
public void format(StringBuilder sb, QDate cal, LogRecord log)
{
sb.append(Environment.getEnvironmentName());
}
}
}