public static void doBeforeParse()

in components/camel-blueprint/src/main/java/org/apache/camel/blueprint/handler/CamelNamespaceHandler.java [160:194]
29 lines of code
10 McCabe index (conditional complexity)

    public static void doBeforeParse(Node node, String fromNamespace, String toNamespace) {
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            Document doc = node.getOwnerDocument();
            if (node.getNamespaceURI().equals(fromNamespace)) {
                doc.renameNode(node, toNamespace, node.getLocalName());
            }

            // remove whitespace noise from uri, xxxUri attributes, eg new lines, and tabs etc, which allows end users to format
            // their Camel routes in more human readable format, but at runtime those attributes must be trimmed
            // the parser removes most of the noise, but keeps double spaces in the attribute values
            NamedNodeMap map = node.getAttributes();
            for (int i = 0; i < map.getLength(); i++) {
                Node att = map.item(i);
                if (att.getNodeName().equals("uri") || att.getNodeName().endsWith("Uri")) {
                    final String value = att.getNodeValue();
                    String before = StringHelper.before(value, "?");
                    String after = StringHelper.after(value, "?");

                    if (before != null && after != null) {
                        // remove all double spaces in the uri parameters
                        String changed = after.replaceAll("\\s{2,}", "");
                        if (!after.equals(changed)) {
                            String newAtr = before.trim() + "?" + changed.trim();
                            LOG.debug("Removed whitespace noise from attribute {} -> {}", value, newAtr);
                            att.setNodeValue(newAtr);
                        }
                    }
                }
            }
        }
        NodeList list = node.getChildNodes();
        for (int i = 0; i < list.getLength(); ++i) {
            doBeforeParse(list.item(i), fromNamespace, toNamespace);
        }
    }