private BioFuzzParseNode getNodeById(BioFuzzParseNode node, int id) { BioFuzzParseNode res = null; if (node == null) return res; // logger.debug("node id: " + node.getId() + "id " + id); if (node.getId() == id) { // logger.debug("here"); res = node; } if (node.hasChildren() && res == null) { for (BioFuzzParseNode child : node.getChildren()) { if ((res = getNodeById(child, id)) != null) { break; } } } return res; }