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ICU-3378 Added getKeywordValues API

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X-SVN-Rev: 25065
This commit is contained in:
Kedar Rajwade 2008-12-09 23:57:38 +00:00
parent 5141cdff8d
commit 192f2b9896
1 changed files with 62 additions and 0 deletions
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62
icu4j/src/com/ibm/icu/util/Currency.java
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@ -11,6 +11,7 @@ import java.text.ChoiceFormat;
import java.text.ParsePosition;
import java.util.ArrayList;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
@ -1067,6 +1068,67 @@ public class Currency extends MeasureUnit implements Serializable {
private ULocale actualLocale;
// -------- END ULocale boilerplate --------
/**
* Given a keyword and a locale, returns an array of string values in a preferred order that would make a difference.
* These are all and only those values where the open (creation) of the service with the locale
* formed from the input locale plus input keyword and that value has different behavior than
* creation with the input locale alone. For example, calling this with "de", "collation" returns {"phonebook","standard"}
* @param keyword one of the keyword {"collation", "calendar", "currency"}
* @param locLD input ULocale
* @param commonlyUsed if set to true it will return commonly used values with the given locale else all the available values
* @return an array of string values for a given keyword and locale
* @draft ICU 4.2
*/
public static final String[] getKeywordValues(String keyword, ULocale locID, boolean commonlyUsed) {
ICUResourceBundle r = null;
String baseName,resName;
baseName = ICUResourceBundle.ICU_BASE_NAME;
resName = "CurrencyMap";
String kwVal = locID.getKeywordValue(keyword);
Enumeration e, key;
HashSet set = new HashSet();
if(commonlyUsed && kwVal != null){
set.add(kwVal);
return (String[]) set.toArray(new String[set.size()]);
}
String countryName = locID.getCountry();
if(commonlyUsed && countryName.equals("")){
ULocale newLoc = ULocale.addLikelySubtags(locID);
countryName = newLoc.getCountry();
}
r = (ICUResourceBundle)ICUResourceBundle.getBundleInstance(baseName, "supplementalData", ICUResourceBundle.ICU_DATA_CLASS_LOADER);
ICUResourceBundle irb = (ICUResourceBundle)r.get(resName);
e= irb.getKeys();
while(e.hasMoreElements()){
String country = (String)e.nextElement();
if(commonlyUsed && !country.equals(countryName)){
continue;
}
ICUResourceBundle countryBundle = (ICUResourceBundle) irb.get(country);
for(int i=0;i<countryBundle.getSize();i++){
ICUResourceBundle currency = (ICUResourceBundle) countryBundle.get(i);
boolean current = true;
key = currency.getKeys();
while(key.hasMoreElements()){
if(key.nextElement().equals("to")){
current = false;
}
}
if(current){
for(int j=0;j<currency.getSize();j++){
String currVal = currency.getString("id");
set.add(currVal);
}
}
}
}
return (String[]) set.toArray(new String[set.size()]);
}
}
//eof