private void bind(String xPath, boolean buildIfNotExists, String initialValue) throws JaxenException { this.xPath = xPath; Map<String, Object> variables = buildXPathVariables(); XPathExpression<Object> xPathExpr = XPathFactory.instance().compile(xPath, Filters.fpassthrough(), variables, MCRConstants.getStandardNamespaces()); boundNodes.addAll(xPathExpr.evaluate(parent.getBoundNodes())); for (Object boundNode : boundNodes) { if (!(boundNode instanceof Element || boundNode instanceof Attribute || boundNode instanceof Document)) { throw new TypeNotPresentException( "XPath MUST only bind either element, attribute or document nodes: " + xPath, null); } } LOGGER.debug("Bind to {} selected {} node(s)", xPath, boundNodes.size()); if (boundNodes.isEmpty() && buildIfNotExists) { MCRNodeBuilder builder = new MCRNodeBuilder(variables); Object built = builder.buildNode(xPath, initialValue, (Parent) (parent.getBoundNode())); LOGGER.debug("Bind to {} generated node {}", xPath, MCRXPathBuilder.buildXPath(built)); boundNodes.add(built); trackNodeCreated(builder.getFirstNodeBuilt()); } }