I want the user to select a timezone and then display a the server systemdate
in the users timezone...
switching the timezone seems to work, but the page will always display the same
date, no matter, which timezone I select.
first I wrote a small stateless bean, to get the available timezones and the
current date:
| @Stateless
| @Name("timeZoneUtil")
| public class TimeZoneUtil implements Serializable, TimeZoneUtilInterface {
|
| public List<SelectItem> getTimeZones() {
| String[] timeZoneIDs = java.util.TimeZone.getAvailableIDs();
| List<SelectItem> selectItems = new ArrayList<SelectItem>(
| timeZoneIDs.length);
| for (String name : timeZoneIDs) {
| selectItems.add(new SelectItem(name, name));
| }
| return selectItems;
| }
|
| public Date getCurrentDateTime() {
| return new Date();
| }
| ...
| }
|
in the webpage, I use the standard seam functions to switch the locale and
display the date/time:
| <h:form id="change_tz">
| <h:selectOneMenu value="#{timeZoneSelector.timeZoneId}">
| <f:selectItems value="#{timeZoneUtil.timeZones}"/>
| </h:selectOneMenu>
| <h:commandButton action="#{timeZoneSelector.select}"
value="Timezone"/>
| </h:form>
|
| <div>CurrentDateTime:
| timezone: #{timeZoneSelector.timeZone}
| <p>
| <h:outputText value="#{timeZoneUtil.currentDateTime}">
| <s:convertDateTime type="both" dateStyle="full"/>
| </h:outputText>
| </p>
| </div>
|
Switching the locale seems to work, but the page will always display the same
date!?
e.g.
anonymous wrote :
| CurrentDateTime: timezone:
sun.util.calendar.ZoneInfo[id="Etc/GMT+10",offset=-36000000,dstSavings=0,useDaylight=false,transitions=0,lastRule=null]
|
| Dienstag, 11. Dezember 2007 16:22:04
|
some seconds later:
anonymous wrote :
| CurrentDateTime: timezone:
sun.util.calendar.ZoneInfo[id="Etc/GMT+12",offset=-43200000,dstSavings=0,useDaylight=false,transitions=0,lastRule=null]
|
| Dienstag, 11. Dezember 2007 16:22:39
|
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