/** * Find out if the given "extension-element-prefix" property is defined. * * @see <a href="http://www.w3.org/TR/xslt#extension-element">extension-element in XSLT * Specification</a> * @param uri The URI to find * @return True if the given URI is found */ public boolean containsExtensionElementURI(String uri) { if (null == m_ExtensionElementURIs) return false; return m_ExtensionElementURIs.contains(uri); }