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;
}
@Override
public int doStartTag() throws JspException {
UIComponentClassicTagBase componentTag =
UIComponentELTag.getParentUIComponentClassicTagBase(pageContext);
if (componentTag == null) {
throw new JspException("no parent UIComponentTag found");
}
if (!componentTag.getCreated()) {
return Tag.SKIP_BODY;
}
Validator validator = createValidator();
UIComponent component = componentTag.getComponentInstance();
if (component == null) {
throw new JspException("parent UIComponentTag has no UIComponent");
}
if (!(component instanceof EditableValueHolder)) {
throw new JspException("UIComponent is no EditableValueHolder");
}
((EditableValueHolder) component).addValidator(validator);
return Tag.SKIP_BODY;
}
public static UIComponent addFacet(
FacesContext context,
ServletRequest req,
UIComponent parent,
String facetName,
ValueExpression binding,
Class childClass)
throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
}
UIComponent child = null;
if (binding != null) child = (UIComponent) binding.getValue(context.getELContext());
if (child == null) child = (UIComponent) childClass.newInstance();
if (parent != null) parent.getFacets().put(facetName, child);
if (binding != null) binding.setValue(context.getELContext(), child);
return child;
}
public static UIComponent addPersistent(
FacesContext context,
ServletRequest req,
UIComponent parent,
ValueExpression binding,
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();
addVerbatim(parent, body);
}
UIComponent child = null;
if (binding != null) child = (UIComponent) binding.getValue(context.getELContext());
if (child == null) {
child = (UIComponent) childClass.newInstance();
// jsf/3251
if (binding != null) binding.setValue(context.getELContext(), child);
}
if (parent != null) parent.getChildren().add(child);
return child;
}
public static UIComponent findPersistent(
FacesContext context, ServletRequest req, UIComponent parent, String id) throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
BodyContent body = null;
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
body = parentTag.getBodyContent();
}
if (parent != null) {
List<UIComponent> children = parent.getChildren();
int size = children.size();
String prevId = null;
for (int i = 0; i < size; i++) {
UIComponent child = children.get(i);
if (id.equals(child.getId())) {
if (body != null) addVerbatim(parent, prevId, body);
return child;
}
if (child.getId() != null) prevId = child.getId();
}
}
return null;
}
public static UIComponent findFacet(
FacesContext context, ServletRequest req, UIComponent parent, String facetName)
throws Exception {
if (context == null) FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
}
if (parent != null) return parent.getFacet(facetName);
else return null;
}
