Simple customization bean for dates in dynamic view panel - xpages

Question

I need to write a simple customization bean for a dynamic view panel so dates will always be displayed as yyyy-MM-dd but I have no clue which method to overwrite and how to modify my value so it shows what I want.
Any starter code would be apprciated (and yes, I looked at Jesse's code and it is way too complex for what I want to achieve).
Thanks
Edit: This now the code I have in my customization bean, but it does absolutely nothing...
public class DynamicViewCustomizerBean_Ben extends DominoViewCustomizer {
public static class ExtendedViewColumnConverter extends ViewColumnConverter {
#Override
public String getValueAsString(final FacesContext context, final UIComponent component, final Object value) {
if(value instanceof DateTime) {
SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
return fmt.format(value);
}
if(value instanceof Date) {
SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd");
return fmt.format(value);
}
// for other cases, just return super
return super.getValueAsString(context, component, value);
}
}
}
And yes, the name of my customization bean is set properly on my Dynamic view panel:
<xe:dynamicViewPanel id="dynamicViewPanel1"
showColumnHeader="true"
customizerBean="com.videotron.xpages.DynamicViewCustomizerBean_Ben"
var="rowData">
...
Am I missing something? Is it the good event that is being overridden? I'm asking because if I set a value of "test" instead of the fmt.format(), it doesn't even show up. Nothing in the logs, no visible errors... I can't seem to find a working example of this on the web...

Answer 1

In the ExtendedViewColumnConverter.getValueAsString(FacesContext, UIComponent, Object) method of your customizer bean you need to return the desired value if the value object is a Date instance.
Here's a simple example:
if (value instanceof Date) {
DateFormat fmt = new SimpleDateFormat("yyyy-MM-dd");
return fmt.format(value);
}

Answer 2

I tend to use a request scoped bean that holds a few useful methods I found myself often to need.
The java class:
public class DateBean implements Serializable {
private static final long serialVersionUID = 1L;
private Locale locale;
private Date now;
private String shortDatePattern;
public void setLocale(Locale locale) {
this.locale = locale;
}
public Date getNow() {
if (now == null) {
now = new Date();
}
return now;
}
public String getShortDatePattern() {
if (shortDatePattern == null) {
SimpleDateFormat sdf = (SimpleDateFormat) SimpleDateFormat.getDateInstance(
SimpleDateFormat.SHORT, locale);
shortDatePattern = sdf.toLocalizedPattern()
.replaceAll("y+", "yyyy")
.replaceAll("M+","MM")
.replaceAll("d+", "dd");
}
return shortDatePattern;
}
...
}
Of course, this is just an example, you can tweak to your like
In the faces-config.xml
<managed-bean>
<managed-bean-name>date</managed-bean-name>
<managed-bean-class>demo.DateBean
</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
<managed-property>
<property-name>locale</property-name>
<value>#{facesContext.viewRoot.locale}</value>
</managed-property>
</managed-bean>
Then, on the XPage:
<xp:text value="#{record.myDate}">
<xp:this.converter>
<xp:convertDateTime type="date"
pattern="${date.shortDatePattern}" />
</xp:this.converter>
</xp:text>