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Editorial Team
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Asked: 2026-06-14T09:33:48+00:00

Trying to use primefaces calendar with localization. I thought about adding the javascript properties

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Trying to use primefaces calendar with localization. I thought about adding the javascript properties array into the corresponding locale message properties file.

http://code.google.com/p/primefaces/wiki/PrimeFacesLocales

primefacesLocale=PrimeFaces.locales['de'] = \u007B closeText: 'Schlie\u00DFen', prevText: 'Zur\u00FCck', nextText: 'Weiter', {0} weekHeader: 'Woche', firstDay: 1, isRTL: false, showMonthAfterYear: false, yearSuffix: '', timeOnlyTitle: 'Nur Zeit', timeText: 'Zeit', hourText: 'Stunde', minuteText: 'Minute', secondText: 'Sekunde', currentText: 'Aktuelles Datum', ampm: false, month: 'Monat', week: 'Woche', day: 'Tag', allDayText: 'Ganzer Tag'\u007D;

Using it like:

<script type="text/javascript">
    <h:outputFormat value="#{msg.primefacesLocale}" escape="false">
        <f:param value="test"/>
    </h:outputFormat>
</script>

Month- and weekday names should be retrieved via el functions, test value is just for testing

Results in: 

java.lang.IllegalArgumentException: can't parse argument number:  closeText: 'Schließen'
    at java.text.MessageFormat.makeFormat(MessageFormat.java:1420)
    at java.text.MessageFormat.applyPattern(MessageFormat.java:479)
    at java.text.MessageFormat.<init>(MessageFormat.java:381)
    at com.sun.faces.renderkit.html_basic.OutputMessageRenderer.encodeEnd(OutputMessageRenderer.java:113)

Whats wrong here?

Edit:

Using: <h:outputText value="#{msg.primefacesLocale}" escape="false"> works fine.

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1 Answer

  1. Editorial Team

    The MessageFormat API has some special characters. The {, } and '. The { and } represents the start and end of format argument index. The ' is an escape character (like as \ is in strings).

    The \u007B which you’ve there in the beginning represents the {. It should actually have been escaped by surrounding it with '. The same for the ending \u007D which represents the }.

    primefacesLocale=PrimeFaces.locales['de'] = '\u007B' closeText: 'Schlie\u00DFen', prevText: 'Zur\u00FCck', nextText: 'Weiter', {0} weekHeader: 'Woche', firstDay: 1, isRTL: false, showMonthAfterYear: false, yearSuffix: '', timeOnlyTitle: 'Nur Zeit', timeText: 'Zeit', hourText: 'Stunde', minuteText: 'Minute', secondText: 'Sekunde', currentText: 'Aktuelles Datum', ampm: false, month: 'Monat', week: 'Woche', day: 'Tag', allDayText: 'Ganzer Tag''\u007D';

    You can by the way also just put those { and } plain vanilla in the string.

    primefacesLocale=PrimeFaces.locales['de'] = '{' closeText: 'Schlie\u00DFen', prevText: 'Zur\u00FCck', nextText: 'Weiter', {0} weekHeader: 'Woche', firstDay: 1, isRTL: false, showMonthAfterYear: false, yearSuffix: '', timeOnlyTitle: 'Nur Zeit', timeText: 'Zeit', hourText: 'Stunde', minuteText: 'Minute', secondText: 'Sekunde', currentText: 'Aktuelles Datum', ampm: false, month: 'Monat', week: 'Woche', day: 'Tag', allDayText: 'Ganzer Tag''}';

    Note: as said, the ' is an escape character, if you want to represent it as-is, use two of them.

    primefacesLocale=PrimeFaces.locales['de'] = '{' closeText: ''Schlie\u00DFen'', prevText: ''Zur\u00FCck'', nextText: ''Weiter'', {0} weekHeader: ''Woche'', firstDay: 1, isRTL: false, showMonthAfterYear: false, yearSuffix: '''', timeOnlyTitle: ''Nur Zeit'', timeText: ''Zeit'', hourText: ''Stunde'', minuteText: ''Minute'', secondText: ''Sekunde'', currentText: ''Aktuelles Datum'', ampm: false, month: ''Monat'', week: ''Woche'', day: ''Tag'', allDayText: ''Ganzer Tag'''}';

    This is in turn however invalid JSON. The string keys and values should be doublequoted (although most webbrowsers are forviging in this).

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