public class ListConverter extends Object implements Converter<Object>
The omnifaces.ListConverter is intented for use in specialized selection components which doesn't
use SelectItems as the source for their selectable items, but work directly via a List of entities,
and therefore the SelectItemsConverter isn't usable on them.
This converter allows you to populate a selection component with complex Java objects and have JSF convert those
automatically back without the need to provide a custom converter which may need to do the job based on possibly
expensive service/DAO operations. This converter automatically converts based on the Object.toString() of the
selected item.
This converter is available by converter ID omnifaces.ListConverter and should be used in combination
with <o:converter> in order to be able to pass the List source to it, which it can use
for conversion. Here's a basic usage example with PrimeFaces <p:pickList>, which is one of the
few select components which doesn't use SelectItems as the source, but work directly via a List.
<p:pickList value="#{bean.dualListModel}" var="entity" itemValue="#{entity}" itemLabel="#{entity.someProperty}">
<o:converter converterId="omnifaces.ListConverter" list="#{bean.dualListModel.source}" />
</p:pickList>
toString() implementation
For detail, refer the javadoc of SelectItemsConverter and substitute "SelectItemsConverter" by
"ListConverter" and "SelectItemsIndexConverter" by "ListIndexConverter".
DATETIMECONVERTER_DEFAULT_TIMEZONE_IS_SYSTEM_TIMEZONE_PARAM_NAME| Constructor and Description |
|---|
ListConverter() |
| Modifier and Type | Method and Description |
|---|---|
Object |
getAsObject(FacesContext context,
UIComponent component,
String value) |
String |
getAsString(FacesContext context,
UIComponent component,
Object value) |
void |
setList(List<?> list) |
public Object getAsObject(FacesContext context, UIComponent component, String value)
getAsObject in interface Converter<Object>public String getAsString(FacesContext context, UIComponent component, Object value)
getAsString in interface Converter<Object>public void setList(List<?> list)
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