com.firefly.codec.http2.model.DateParser Maven / Gradle / Ivy
package com.firefly.codec.http2.model;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
/**
* ThreadLocal data parsers for HTTP style dates
*
*/
public class DateParser {
private static final TimeZone __GMT = TimeZone.getTimeZone("GMT");
static {
__GMT.setID("GMT");
}
final static String __dateReceiveFmt[] = { "EEE, dd MMM yyyy HH:mm:ss zzz", "EEE, dd-MMM-yy HH:mm:ss",
"EEE MMM dd HH:mm:ss yyyy",
"EEE, dd MMM yyyy HH:mm:ss", "EEE dd MMM yyyy HH:mm:ss zzz", "EEE dd MMM yyyy HH:mm:ss",
"EEE MMM dd yyyy HH:mm:ss zzz", "EEE MMM dd yyyy HH:mm:ss", "EEE MMM-dd-yyyy HH:mm:ss zzz",
"EEE MMM-dd-yyyy HH:mm:ss", "dd MMM yyyy HH:mm:ss zzz", "dd MMM yyyy HH:mm:ss", "dd-MMM-yy HH:mm:ss zzz",
"dd-MMM-yy HH:mm:ss", "MMM dd HH:mm:ss yyyy zzz", "MMM dd HH:mm:ss yyyy", "EEE MMM dd HH:mm:ss yyyy zzz",
"EEE, MMM dd HH:mm:ss yyyy zzz", "EEE, MMM dd HH:mm:ss yyyy", "EEE, dd-MMM-yy HH:mm:ss zzz",
"EEE dd-MMM-yy HH:mm:ss zzz", "EEE dd-MMM-yy HH:mm:ss", };
public static long parseDate(String date) {
return __dateParser.get().parse(date);
}
private static final ThreadLocal __dateParser = new ThreadLocal() {
@Override
protected DateParser initialValue() {
return new DateParser();
}
};
final SimpleDateFormat _dateReceive[] = new SimpleDateFormat[__dateReceiveFmt.length];
private long parse(final String dateVal) {
for (int i = 0; i < _dateReceive.length; i++) {
if (_dateReceive[i] == null) {
_dateReceive[i] = new SimpleDateFormat(__dateReceiveFmt[i], Locale.US);
_dateReceive[i].setTimeZone(__GMT);
}
try {
Date date = (Date) _dateReceive[i].parseObject(dateVal);
return date.getTime();
} catch (java.lang.Exception e) {
// LOG.ignore(e);
}
}
if (dateVal.endsWith(" GMT")) {
final String val = dateVal.substring(0, dateVal.length() - 4);
for (SimpleDateFormat element : _dateReceive) {
try {
Date date = (Date) element.parseObject(val);
return date.getTime();
} catch (java.lang.Exception e) {
// LOG.ignore(e);
}
}
}
return -1;
}
}