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platform: batch load system date/time formats

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This commit is contained in:
Roman Shevchenko
2014-03-06 21:00:00 +01:00
parent c4e7e1fb77
commit 6a119d112a
1 changed files with 77 additions and 107 deletions
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platform/util/src/com/intellij/util/text/DateFormatUtil.java
+77 -107
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@@ -1,5 +1,5 @@
/*
* Copyright 2000-2013 JetBrains s.r.o.
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -42,17 +42,23 @@ public class DateFormatUtil {
public static final long YEAR = DAY * 365;
public static final long DAY_FACTOR = 24L * 60 * 60 * 1000;
private enum Period {YEAR, MONTH, WEEK, DAY, HOUR, MINUTE}
private enum DateType {TIME, DATE, DATETIME}
// do not expose this constants - they are very likely to be changed in future
private static final SyncDateFormat DATE_FORMAT = getFormat(DateFormat.SHORT, DateType.DATE);
private static final SyncDateFormat TIME_FORMAT = getFormat(DateFormat.SHORT, DateType.TIME);
private static final SyncDateFormat TIME_WITH_SECONDS_FORMAT = getFormat(DateFormat.MEDIUM, DateType.TIME);
private static final SyncDateFormat DATE_TIME_FORMAT = getFormat(DateFormat.SHORT, DateType.DATETIME);
private static final SyncDateFormat ABOUT_DATE_FORMAT = new SyncDateFormat(DateFormat.getDateInstance(DateFormat.LONG, Locale.US));
private static final SyncDateFormat DATE_FORMAT;
private static final SyncDateFormat TIME_FORMAT;
private static final SyncDateFormat TIME_WITH_SECONDS_FORMAT;
private static final SyncDateFormat DATE_TIME_FORMAT;
private static final SyncDateFormat ABOUT_DATE_FORMAT;
static {
SyncDateFormat[] formats = getDateTimeFormats();
DATE_FORMAT = formats[0];
TIME_FORMAT = formats[1];
TIME_WITH_SECONDS_FORMAT = formats[2];
DATE_TIME_FORMAT = formats[3];
ABOUT_DATE_FORMAT = new SyncDateFormat(DateFormat.getDateInstance(DateFormat.LONG, Locale.US));
}
private static final long[] DENOMINATORS = {YEAR, MONTH, WEEK, DAY, HOUR, MINUTE};
private enum Period {YEAR, MONTH, WEEK, DAY, HOUR, MINUTE}
private static final Period[] PERIODS = {Period.YEAR, Period.MONTH, Period.WEEK, Period.DAY, Period.HOUR, Period.MINUTE};
private DateFormatUtil() { }
@@ -264,44 +270,6 @@ public class DateFormatUtil {
// helpers
private static SyncDateFormat getFormat(int format, DateType type) {
DateFormat result = null;
if (SystemInfo.isMac) {
try {
result = getMacTimeFormat(format, type);
}
catch (Throwable e) {
LOG.error(e);
}
}
if (SystemInfo.isUnix && !SystemInfo.isMac) {
try {
result = getUnixTimeFormat(format, type);
}
catch (Throwable t) {
LOG.error(t);
}
}
if (result == null) {
switch (type) {
case TIME:
result = DateFormat.getTimeInstance(format);
break;
case DATE:
result = DateFormat.getDateInstance(format);
break;
case DATETIME:
result = DateFormat.getDateTimeInstance(format, format);
break;
}
}
return new SyncDateFormat(result);
}
private static String someTimeAgoMessage(final Period period, final int n) {
switch (period) {
case DAY:
@@ -336,69 +304,75 @@ public class DateFormatUtil {
}
}
private static final int MacFormatterNoStyle = 0;
private static final int MacFormatterShortStyle = 1;
private static final int MacFormatterMediumStyle = 2;
private static final int MacFormatterLongStyle = 3;
private static final int MacFormatterFullStyle = 4;
private static final int MacFormatterBehavior_10_4 = 1040;
private static SyncDateFormat[] getDateTimeFormats() {
DateFormat[] formats = new DateFormat[4];
@NotNull
private static SimpleDateFormat getMacTimeFormat(final int type, @NotNull final DateType dateType) {
final ID autoReleasePool = Foundation.invoke("NSAutoreleasePool", "new");
boolean loaded = false;
if (SystemInfo.isMac) {
try {
loaded = getMacFormats(formats);
}
catch (Throwable t) {
LOG.error(t);
}
}
else if (SystemInfo.isUnix) {
try {
loaded = getUnixFormats(formats);
}
catch (Throwable t) {
LOG.error(t);
}
}
if (!loaded) {
formats[0] = DateFormat.getDateInstance(DateFormat.SHORT);
formats[1] = DateFormat.getTimeInstance(DateFormat.SHORT);
formats[2] = DateFormat.getTimeInstance(DateFormat.MEDIUM);
formats[3] = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);
}
SyncDateFormat[] synced = new SyncDateFormat[4];
for (int i = 0; i < formats.length; i++) {
synced[i] = new SyncDateFormat(formats[i]);
}
return synced;
}
private static boolean getMacFormats(DateFormat[] formats) {
final int MacFormatterNoStyle = 0;
final int MacFormatterShortStyle = 1;
final int MacFormatterMediumStyle = 2;
final int MacFormatterBehavior_10_4 = 1040;
ID autoReleasePool = Foundation.invoke("NSAutoreleasePool", "new");
try {
final ID dateFormatter = Foundation.invoke("NSDateFormatter", "new");
ID dateFormatter = Foundation.invoke("NSDateFormatter", "new");
Foundation.invoke(dateFormatter, Foundation.createSelector("setFormatterBehavior:"), MacFormatterBehavior_10_4);
int style;
switch (type) {
case DateFormat.SHORT:
style = MacFormatterShortStyle;
break;
case DateFormat.MEDIUM:
style = MacFormatterMediumStyle;
break;
case DateFormat.LONG:
style = MacFormatterLongStyle;
break;
case DateFormat.FULL:
default:
style = MacFormatterFullStyle;
break;
}
formats[0] = invokeFormatter(dateFormatter, MacFormatterNoStyle, MacFormatterShortStyle); // short date
formats[1] = invokeFormatter(dateFormatter, MacFormatterShortStyle, MacFormatterNoStyle); // short time
formats[2] = invokeFormatter(dateFormatter, MacFormatterMediumStyle, MacFormatterNoStyle); // medium time
formats[3] = invokeFormatter(dateFormatter, MacFormatterShortStyle, MacFormatterShortStyle); // short date/time
int timeStyle;
int dateStyle;
switch (dateType) {
case DATE:
timeStyle = MacFormatterNoStyle;
dateStyle = style;
break;
case TIME:
timeStyle = style;
dateStyle = MacFormatterNoStyle;
break;
case DATETIME:
default:
timeStyle = style;
dateStyle = style;
break;
}
Foundation.invoke(dateFormatter, Foundation.createSelector("setTimeStyle:"), timeStyle);
Foundation.invoke(dateFormatter, Foundation.createSelector("setDateStyle:"), dateStyle);
String format = Foundation.toStringViaUTF8(Foundation.invoke(dateFormatter, Foundation.createSelector("dateFormat")));
assert format != null;
return new SimpleDateFormat(format.trim());
return true;
}
finally {
Foundation.invoke(autoReleasePool, Foundation.createSelector("release"));
}
}
private static DateFormat getUnixTimeFormat(int format, DateType type) {
private static DateFormat invokeFormatter(ID dateFormatter, int timeStyle, int dateStyle) {
Foundation.invoke(dateFormatter, Foundation.createSelector("setTimeStyle:"), timeStyle);
Foundation.invoke(dateFormatter, Foundation.createSelector("setDateStyle:"), dateStyle);
String format = Foundation.toStringViaUTF8(Foundation.invoke(dateFormatter, Foundation.createSelector("dateFormat")));
assert format != null;
return new SimpleDateFormat(format.trim());
}
private static boolean getUnixFormats(DateFormat[] formats) {
String localeStr = EnvironmentUtil.getValue("LC_TIME");
if (localeStr == null) return null;
if (localeStr == null) return false;
localeStr = localeStr.trim();
int p = localeStr.indexOf('.');
@@ -415,15 +389,11 @@ public class DateFormatUtil {
locale = new Locale(localeStr.substring(0, p), localeStr.substring(p + 1));
}
switch (type) {
case TIME:
return DateFormat.getTimeInstance(format, locale);
case DATE:
return DateFormat.getDateInstance(format, locale);
case DATETIME:
return DateFormat.getDateTimeInstance(format, format, locale);
}
formats[0] = DateFormat.getDateInstance(DateFormat.SHORT, locale);
formats[1] = DateFormat.getTimeInstance(DateFormat.SHORT, locale);
formats[2] = DateFormat.getTimeInstance(DateFormat.MEDIUM, locale);
formats[3] = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT, locale);
return null;
return true;
}
}