使用 IBM Rational Application Developer 轻松实现 JavaServer Faces Web 程序的全球化

				
Locale locale = FacesContext.getCurrentInstance().getExternalContext().getRequestLocale();

				
<script type="text/JavaScript" language="JavaScript" 
src="/sample/.ibmjsfres/hxclient_core_v3_0_8.js"></script>

<script type="text/JavaScript" language="JavaScript" 
src="/sample/.ibmjsfres/hxclient_S_v3_0_8_ja.js?viewLocale=ja">
</script>

<script type="text/JavaScript" language="JavaScript">
    if (hX_5) hX_5.setResourceServer("/sample/.ibmjsfres");
    if(hX_5 && hX_5.setLocale) hX_5.setLocale("ja");
</script>

				
function getLocalizedCurrentTime()
{
    var converter = hX.getConverterById("date_converter");
    if(null == converter)
    {
        //construct a new DateTimeConverter and add it to converter set
        hX.addConverter("date_converter", new hX.DateTimeConverter(
            "format:EEEE, MMMM d, yyyy h:mm:ss a z",
            "ICU4J:true"));
    }
    converter = hX.getConverterById("date_converter");
    var date = new Date();
    //format client date and return
    return converter.valueToString(date);
}

				
public class FormatterUtils
{
    public static String getDateTimePattern(int dateFormat)
    {
       Locale locale = 
           FacesContext.getCurrentInstance().getExternalContext().getRequestLocale();
       CalendarData calData = new
           CalendarData(ULocale.forLocale(locale), null);
       String[] dateTimePatterns = calData.getStringArray("DateTimePatterns");
       return dateTimePatterns[dateFormat + 4] + " " + dateTimePatterns[dateFormat];
    }
}

				
<script>
    var datetimeFormatPattern = "<%=FormatterUtils.getDateTimePattern()%>";

    function getLocalizedCurrentTime()
    {
        var converter = hX.getConverterById("date_converter");
        if(null == converter)
        {
            //construct a new DateTimeConverter and add it to converter set
            hX.addConverter("date_converter", new hX.DateTimeConverter(
                "format:" + datetimeFormatPattern, "ICU4J:true"));
        }
        converter = hX.getConverterById("date_converter");
        var date = new Date();
        //format client date and return
        return converter.valueToString(date);
    }
</script>

				
<script>
    var decimalFormatPattern = "<%= FormatterUtils.getDecimalFormatPattern() %>";
    var decimalFormatSymbols = "<%= FormatterUtils.getDecimalFormatSymbols() %>";

    function formatDecimal(value)
    {
        var converter = hX.getConverterById("number_converter");
        if(null == converter)
        {
            hX.addConverter("number_converter", 
                new hX.NumberConverter("pattern:" + decimalFormatPattern, 
                "locale:" + decimalFormatSymbols, "ICU4J:true"));
        }
        converter = hX.getConverterById("number_converter");
        var output = cvt.valueToString(value);
        return output;
    }
</script>

				
public class FormatterUtils
{
    private static DecimalFormat getDecimalFormatter()
    {
        Locale locale = 
            FacesContext.getCurrentInstance().getExternalContext().getRequestLocale();
        return (DecimalFormat)NumberFormat.getInstance(locale);
    }

    public static String getDecimalFormatPattern()
    {
        return getDecimalFormatter().toPattern();
    }

    public static String getDecimalFormatSymbols()
    {
        Locale locale = 
            FacesContext.getCurrentInstance().getExternalContext().getRequestLocale();
        DecimalFormatSymbols symbols = new DecimalFormatSymbols(locale);
        //The information is provided as a string of 6 characters with fixed format:
        StringBuilder sb = new StringBuilder();
        sb.append(symbols.getGroupingSeparator());
        sb.append(symbols.getDecimalSeparator());
        sb.append(symbols.getPercent());
        sb.append(symbols.getPerMill());
        sb.append(symbols.getMinusSign());
        sb.append(symbols.getCurrencySymbol());
        return sb.toString();
    }
}

				
<script>
    //Suppose current locale is "de"
    var value = 1000.1; //type of value is Number
    var formatted = formatDecimal(value); //the formatted value is "1.000,1" in Germany
</script>

				
<script>
    var decimalFormatPattern = "<%= FormatterUtils.getDecimalFormatPattern() %>";
    var decimalFormatSymbols = "<%= FormatterUtils.getDecimalFormatSymbols() %>";

    function formatDecimal(input)
    {
        var converter = hX.getConverterById("number_converter");
        if(null == converter)
        {
            hX.addConverter("number_converter", 
                new hX.NumberConverter("pattern:" + decimalFormatPattern, 
                "locale:" + decimalFormatSymbols, "ICU4J:true"));
        }
        converter = hX.getConverterById("number_converter");
        var output = cvt.stringToValue(input);
        return output;
    }

    var parsedValue = formatDecimal("1.000,1"); //the parsed value is 1000.1 
    parsedValue = formatDecimal("1000,1"); //the parsed value is 1000.1 
    parsedValue = formatDecimal("oops"); //parsing fails, null is returned
</script>

				
public class MessageFormatter {
private static final String MESSAGE_BUNDLE_NAME = "com.ibm.sample.messages";
 
private static String formatMessage(String msgKey, Object[] args,Locale locale) {
    ResourceBundle messageBundle = ResourceBundle.getBundle(MESSAGE_BUNDLE_NAME,locale);
    String message = messageBundle.getString(msgKey);
    if (message != null) {
        if (args == null) {
            return message;
        } else {
            return MessageFormat.format(message, args);
        }
    } else {
        return msgKey;
    }
}
}

				
public class LocaleUtils(){
public class LocaleUtils{} {
public static Locale getRequestLocale() {
    return FacesContext.getCurrentInstance().getExternalContext().getRequestLocale();
}

} 
public class MessageFormatter {
private static final String MESSAGE_BUNDLE_NAME = "com.ibm.sample.messages";

private static String formatMessage(String msgKey, Object[] args) {
    Locale locale = LocaleUtils.getRequestLocale();
    ResourceBundle messageBundle = ResourceBundle.getBundle(MESSAGE_BUNDLE_NAME, locale);
    String message = messageBundle.getString(msgKey);
    if (message != null) {
        if (args == null) {
            return message;
        } else {
            return MessageFormat.format(message, args);
        }
    } else {
        return msgKey;
    }
}
}

				
public static Locale DEFAULT_LOCALE = Locale.ENGLISH;

    public static Locale getCurrentRequestLocale() {
        Locale locale = null;
        try {
            //try to retrieve locale information from FacesContext
            locale = FacesContext.getCurrentInstance().
                getExternalContext().getRequestLocale();
        }
        catch(Throwable e){
            //Unable to reach FacesContext
            //Therefore call getLocale to retrieve locale variable from current thread
            Thread t = Thread.currentThread();
            if (t instanceof LocaleSensitive) {
                locale = ((LocaleSensitive) t).getLocale();
        }
        finally{
            if(locale == null){
                locale = DEFAULT_LOCALE;
            }
        }
        return locale;
    }
}

public interface LocaleSensitive {
    public Locale getLocale();
}

public class BaseThread extends Thread implements LocaleSensitive {
    protected Locale locale= null;

    public Locale getLocale() {
        return locale;
    }

    public BaseThread(String name) {
        super(name);
        //Save a copy of locale in thread instance
        this.locale=LocaleUtils.getCurrentRequestLocale();
    }
}

public class UserThread extends BaseThread{
    public void run(){
        …
        String message = MessageFormatter.formatMessage(msgKey,msgParameters);
        …
    }
}