How do I ignore certain elements when comparing XML?

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I wound up implementing a DifferenceListener that takes a list of node names (with namespaces) to ignore textual differences for:

public class IgnoreNamedElementsDifferenceListener implements DifferenceListener {
    private Set<String> blackList = new HashSet<String>();

    public IgnoreNamedElementsDifferenceListener(String ... elementNames) {
        for (String name : elementNames) {
            blackList.add(name);
        }
    }

    public int differenceFound(Difference difference) {
        if (difference.getId() == DifferenceConstants.TEXT_VALUE_ID) {
            if (blackList.contains(difference.getControlNodeDetail().getNode().getParentNode().getNodeName())) {
                return DifferenceListener.RETURN_IGNORE_DIFFERENCE_NODES_IDENTICAL;
            }
        }

        return DifferenceListener.RETURN_ACCEPT_DIFFERENCE;
    }

    public void skippedComparison(Node node, Node node1) {

    }
}

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