docs/docs-core/src/main/java/com/sismics/util/DateUtil.java

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package com.sismics.util;
import java.util.Map.Entry;
import com.google.common.collect.ImmutableMap;
/**
* Date utilities.
*
* @author jtremeaux
*/
public class DateUtil {
private final static ImmutableMap<String, String> TIMEZONE_CODE_MAP = new ImmutableMap.Builder<String, String>()
.put(" ACDT", " +10:30")
.put(" ACST", " +09:30")
.put(" ACT", " +08")
.put(" ADT", " 03")
.put(" AEDT", " +11")
.put(" AEST", " +10")
.put(" AFT", " +04:30")
.put(" AKDT", " 08")
.put(" AKST", " 09")
.put(" AMST", " +05")
.put(" AMT", " +04")
.put(" ART", " 03")
// .put(" AST", " +03")
.put(" AST", " 04")
.put(" AWDT", " +09")
.put(" AWST", " +08")
.put(" AZOST", " 01")
.put(" AZT", " +04")
.put(" BDT", " +08")
.put(" BIOT", " +06")
.put(" BIT", " 12")
.put(" BOT", " 04")
.put(" BRT", " 03")
// .put(" BST", " +06")
.put(" BST", " +01")
.put(" BTT", " +06")
.put(" CAT", " +02")
.put(" CCT", " +06:30")
.put(" CDT", " 05")
// .put(" CDT", " 04")
.put(" CEDT", " +02")
.put(" CEST", " +02")
.put(" CET", " +01")
.put(" CHADT", " +13:45")
.put(" CHAST", " +12:45")
.put(" CHOT", " 08")
.put(" ChST", " +10")
.put(" CHUT", " +10")
.put(" CIST", " 08")
.put(" CIT", " +08")
.put(" CKT", " 10")
.put(" CLST", " 03")
.put(" CLT", " 04")
.put(" COST", " 04")
.put(" COT", " 05")
.put(" CST", " 06")
// .put(" CST", " +08")
// .put(" CST", " +09:30")
// .put(" CST", " +10:30")
// .put(" CST", " 05")
.put(" CT", " +08")
.put(" CVT", " 01")
.put(" CWST", " +08:45")
.put(" CXT", " +07")
.put(" DAVT", " +07")
.put(" DDUT", " +10")
.put(" DFT", " +01")
.put(" EASST", " 05")
.put(" EAST", " 06")
.put(" EAT", " +03")
// .put(" ECT", " 04")
.put(" ECT", " 05")
.put(" EDT", " 04")
.put(" EEDT", " +03")
.put(" EEST", " +03")
.put(" EET", " +02")
.put(" EGST", " +00")
.put(" EGT", " 01")
.put(" EIT", " +09")
.put(" EST", " 05")
// .put(" EST", " +10")
.put(" FET", " +03")
.put(" FJT", " +12")
.put(" FKST", " 03")
.put(" FKT", " 04")
.put(" FNT", " 02")
.put(" GALT", " 06")
.put(" GAMT", " 09")
.put(" GET", " +04")
.put(" GFT", " 03")
.put(" GILT", " +12")
.put(" GIT", " 09")
.put(" GMT", " ")
// .put(" GST", " 02")
.put(" GST", " +04")
.put(" GYT", " 04")
.put(" HADT", " 09")
.put(" HAEC", " +02")
.put(" HAST", " 10")
.put(" HKT", " +08")
.put(" HMT", " +05")
.put(" HOVT", " +07")
.put(" HST", " 10")
.put(" ICT", " +07")
.put(" IDT", " +03")
.put(" IOT", " +03")
.put(" IRDT", " +08")
.put(" IRKT", " +09")
.put(" IRST", " +03:30")
.put(" IST", " +05:30")
// .put(" IST", " +01")
// .put(" IST", " +02")
// .put(" JST", " +09")
.put(" KGT", " +06")
.put(" KOST", " +11")
.put(" KRAT", " +07")
.put(" KST", " +09")
.put(" LHST", " +10:30")
// .put(" LHST", " +11")
.put(" LINT", " +14")
.put(" MAGT", " +12")
.put(" MART", " 09:30")
.put(" MAWT", " +05")
.put(" MDT", " 06")
.put(" MET", " +01")
.put(" MEST", " +02")
.put(" MHT", " +12")
.put(" MIST", " +11")
.put(" MIT", " 09:30")
.put(" MMT", " +06:30")
.put(" MSK", " +04")
// .put(" MST", " +08")
.put(" MST", " 07")
// .put(" MST", " +06:30")
.put(" MUT", " +04")
.put(" MVT", " +05")
.put(" MYT", " +08")
.put(" NCT", " +11")
.put(" NDT", " 02:30")
.put(" NFT", " +11:30")
.put(" NPT", " +05:45")
.put(" NST", " 03:30")
.put(" NT", " 03:30")
.put(" NUT", " 11:30")
.put(" NZDT", " +13")
.put(" NZST", " +12")
.put(" OMST", " +06")
.put(" ORAT", " +05")
.put(" PDT", " 07")
.put(" PET", " 05")
.put(" PETT", " +12")
.put(" PGT", " +10")
.put(" PHOT", " +13")
.put(" PHT", " +08")
.put(" PKT", " +05")
.put(" PMDT", " 02")
.put(" PMST", " 03")
.put(" PONT", " +11")
.put(" PST", " 08")
// .put(" PST", " +08")
.put(" RET", " +04")
.put(" ROTT", " 03")
.put(" SAKT", " +11")
.put(" SAMT", " +04")
.put(" SAST", " +02")
.put(" SBT", " +11")
.put(" SCT", " +04")
.put(" SGT", " +08")
.put(" SLT", " +05:30")
.put(" SRT", " 03")
.put(" SST", " 11")
// .put(" SST", " +08")
.put(" SYOT", " +03")
.put(" TAHT", " 10")
.put(" THA", " +07")
.put(" TFT", " +05")
.put(" TJT", " +05")
.put(" TKT", " +14")
.put(" TLT", " +09")
.put(" TMT", " +05")
.put(" TOT", " +13")
.put(" TVT", " +12")
.put(" UCT", " ")
.put(" ULAT", " +08")
.put(" UTC", " ")
.put(" UYST", " 02")
.put(" UYT", " 03")
.put(" UZT", " +05")
.put(" VET", " 04:30")
.put(" VLAT", " +10")
.put(" VOLT", " +04")
.put(" VOST", " +06")
.put(" VUT", " +11")
.put(" WAKT", " +12")
.put(" WAST", " +02")
.put(" WAT", " +01")
.put(" WEDT", " +01")
.put(" WEST", " +01")
.put(" WET", " ")
.put(" WST", " +08")
.put(" YAKT", " +09")
.put(" YEKT", " +05")
.build();
/**
* Try to guess the timezone code, and replace it with a timezone offset.
* Note: JodaTime can guess a few codes already, they didn't include all codes since they are not standardized.
* This method should only be used in last resort.
*
* @param date Formated date, supposedly ending with a timezone code
* @return Date with the code replaced by its offset if there is a match
*/
public static String guessTimezoneOffset(String date) {
for (Entry<String, String> entry : TIMEZONE_CODE_MAP.entrySet()) {
String code = entry.getKey();
String offset = entry.getValue();
if (date.endsWith(code)) {
return date.substring(0, date.length() - code.length()) + offset;
}
}
return date;
}
}