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; }
private static void addChild(UIComponent parent, String prevId, UIComponent child) { if (parent != null) { List<UIComponent> children = parent.getChildren(); int size = children.size(); boolean hasPrev = prevId == null; int i = 0; for (; i < size; i++) { UIComponent oldChild = children.get(i); if (hasPrev && oldChild.getId() != null) { children.add(i, child); return; } else if (prevId != null && prevId.equals(oldChild.getId())) hasPrev = true; } parent.getChildren().add(child); } }