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78 changes: 78 additions & 0 deletions
78
core/src/main/jdk1.1/org/bouncycastle/asn1/LocaleUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package org.bouncycastle.asn1; | ||
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| import java.text.ParseException; | ||
| import java.text.SimpleDateFormat; | ||
| import java.util.Date; | ||
| import java.util.HashMap; | ||
| import java.util.Locale; | ||
| import java.util.Map; | ||
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|
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| import org.bouncycastle.util.Longs; | ||
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| /** | ||
| * ASN.1 uses an EN locale for its internal formatting. This class finds the nearest equivalent in the | ||
| * current JVM to ensure date formats are always respected. | ||
| */ | ||
| public class LocaleUtil | ||
| { | ||
| private static final Map localeCache = new HashMap(); | ||
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| public static Locale EN_Locale = forEN(); | ||
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| private static Locale forEN() | ||
| { | ||
| if ("en".equalsIgnoreCase(Locale.getDefault().getLanguage())) | ||
| { | ||
| return Locale.getDefault(); | ||
| } | ||
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|
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| /* | ||
| Locale[] locales = Locale.getAvailableLocales(); | ||
| for (int i = 0; i != locales.length; i++) | ||
| { | ||
| if ("en".equalsIgnoreCase(locales[i].getLanguage())) | ||
| { | ||
| return locales[i]; | ||
| } | ||
| } | ||
| */ | ||
| return Locale.getDefault(); | ||
| } | ||
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| static Date epochAdjust(Date date) | ||
| throws ParseException | ||
| { | ||
| Locale locale = Locale.getDefault(); | ||
| if (locale == null) | ||
| { | ||
| return date; | ||
| } | ||
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| synchronized (localeCache) | ||
| { | ||
| Long adj = (Long)localeCache.get(locale); | ||
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| if (adj == null) | ||
| { | ||
| SimpleDateFormat dateF = new SimpleDateFormat("yyyyMMddHHmmssz"); | ||
| long v = dateF.parse("19700101000000GMT+00:00").getTime(); | ||
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| adj = longValueOf(v); | ||
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| localeCache.put(locale, adj); | ||
| } | ||
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| if (adj.longValue() != 0L) | ||
| { | ||
| return new Date(date.getTime() - adj.longValue()); | ||
| } | ||
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| return date; | ||
| } | ||
| } | ||
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| private static Long longValueOf(long v) | ||
| { | ||
| return Longs.valueOf(v); | ||
| } | ||
| } |
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