Utils.java Source code

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Here is the source code for Utils.java

Source

import javax.xml.namespace.QName;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

public class Utils {
    /**
     * Creates a QName instance from the given namespace context for the given qualifiedName
     *
     * @param element       the element to use as the namespace context
     * @param qualifiedName the fully qualified name
     * @return the QName which matches the qualifiedName
     */
    public static QName createQName(Element element, String qualifiedName) {
        int index = qualifiedName.indexOf(':');
        if (index >= 0) {
            String prefix = qualifiedName.substring(0, index);
            String localName = qualifiedName.substring(index + 1);
            String uri = recursiveGetAttributeValue(element, "xmlns:" + prefix);
            return new QName(uri, localName, prefix);
        } else {
            String uri = recursiveGetAttributeValue(element, "xmlns");
            if (uri != null) {
                return new QName(uri, qualifiedName);
            }
            return new QName(qualifiedName);
        }
    }

    /**
     * Recursive method to find a given attribute value
     */
    public static String recursiveGetAttributeValue(Element element, String attributeName) {
        String answer = null;
        try {
            answer = element.getAttribute(attributeName);
        } catch (Exception e) {

        }
        if (answer == null || answer.length() == 0) {
            Node parentNode = element.getParentNode();
            if (parentNode instanceof Element) {
                return recursiveGetAttributeValue((Element) parentNode, attributeName);
            }
        }
        return answer;
    }
}