Usage pattern
class MyComponent extends ComponentSupport {
selectionMgr = new SelectionMgr();
public Document render(RequestContext context) throws Exception {
Document document = XmlUtils.createDocument();
selectionMgr.startRendering(context);
for (int nodeIndex = 0; nodeIndex < nodeCount; nodeIndex++) {
Object node = ...
Element elem = renderElement(node);
selectionMgr.renderButton(element, node);
}
selectionMgr.stopRendering();
return document;
}
public boolean validate(RequestContext context) {
selectionMgr.validate(context);
...
}
}