public XmlTool parents()

in velocity-tools-generic/src/main/java/org/apache/velocity/tools/generic/XmlTool.java [643:675]

• 33 lines of code
• 9 McCabe index (conditional complexity)

    public XmlTool parents()
    {
        if (isEmpty())
        {
            return null;
        }
        if (size() == 1)
        {
            return getParent();
        }
        List<Node> parents = new ArrayList<Node>(size());
        for (Node n : nodes)
        {
            Element parent = null;
            if (n instanceof Element)
            {
                parent = (Element)n.getParentNode();
            }
            else if (n instanceof Attr)
            {
                parent = ((Attr) n).getOwnerElement();
            }
            if (parent != null && !parents.contains(parent))
            {
                parents.add(parent);
            }
        }
        if (parents.isEmpty())
        {
            return null;
        }
        return new XmlTool(parents);
    }