core/src/main/java/io/fabric8/maven/core/util/XmlUtils.java
private static String getTextContent(final Node node) {
        switch (node.getNodeType()) {
            case Node.ELEMENT_NODE:
            case Node.ATTRIBUTE_NODE:
            case Node.ENTITY_NODE:
            case Node.ENTITY_REFERENCE_NODE:
            case Node.DOCUMENT_FRAGMENT_NODE:
                return mergeTextContent(node.getChildNodes());
            case Node.TEXT_NODE:
            case Node.CDATA_SECTION_NODE:
            case Node.COMMENT_NODE:
            case Node.PROCESSING_INSTRUCTION_NODE:
                return node.getNodeValue();
            case Node.DOCUMENT_NODE:
            case Node.DOCUMENT_TYPE_NODE:
            case Node.NOTATION_NODE:
            default:
                return null;
        }
    }
private static String getTextContent(final Node node) {
        switch (node.getNodeType()) {
            case Node.ELEMENT_NODE:
            case Node.ATTRIBUTE_NODE:
            case Node.ENTITY_NODE:
            case Node.ENTITY_REFERENCE_NODE:
            case Node.DOCUMENT_FRAGMENT_NODE:
                return mergeTextContent(node.getChildNodes());
            case Node.TEXT_NODE:
            case Node.CDATA_SECTION_NODE:
            case Node.COMMENT_NODE:
            case Node.PROCESSING_INSTRUCTION_NODE:
                return node.getNodeValue();
            case Node.DOCUMENT_NODE:
            case Node.DOCUMENT_TYPE_NODE:
            case Node.NOTATION_NODE:
            default:
                return null;
        }
    }
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