public static UIComponent addTransient(
FacesContext context, ServletRequest req, UIComponent parent, String prevId, Class childClass)
throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
BodyContent body = parentTag.getBodyContent();
if (body != null) addVerbatim(parent, body);
}
UIComponent child = null;
;
if (child == null) child = (UIComponent) childClass.newInstance();
child.setTransient(true);
addChild(parent, prevId, child);
return child;
}
/**
* Set "transient" flag to false for component and all its children ( recursive ).
*
* @param component
*/
private void markNoTransient(UIComponent component) {
for (Iterator<UIComponent> iter = component.getFacetsAndChildren(); iter.hasNext(); ) {
UIComponent element = iter.next();
markNoTransient(element);
element.setTransient(false);
}
}
private static UIComponent createThemeResource(
FacesContext fc, String library, String resourceName) {
UIComponent resource = fc.getApplication().createComponent("javax.faces.Output");
resource.setRendererType("javax.faces.resource.Stylesheet");
resource.setTransient(true);
Map<String, Object> attrs = resource.getAttributes();
attrs.put("name", resourceName);
attrs.put("library", library);
attrs.put("target", "head");
return resource;
}
@Override
public void decode(FacesContext context, UIComponent component) {
rendererParamsNotNull(context, component);
if (!shouldDecode(component)) {
return;
}
String clientId = decodeBehaviors(context, component);
if (clientId == null) {
clientId = component.getClientId(context);
}
assert (clientId != null);
ExternalContext externalContext = context.getExternalContext();
Map<String, String> requestMap = externalContext.getRequestParameterMap();
if (requestMap.containsKey(clientId)) {
setSubmittedValue(component, requestMap.get(clientId));
}
HttpServletRequest request = (HttpServletRequest) externalContext.getRequest();
try {
Collection<Part> parts = request.getParts();
List<Part> multiple = new ArrayList<>();
for (Part cur : parts) {
if (clientId.equals(cur.getName())) {
component.setTransient(true);
multiple.add(cur);
}
}
this.setSubmittedValue(component, multiple);
} catch (IOException | ServletException ioe) {
throw new FacesException(ioe);
}
}