Examples of org.apache.commons.jxpath.Function

org.apache.commons.jxpath.Function
Extension function interface. Extension functions are grouped into {@link Functions Functions} objects, which are installed onJXPathContexts using the {@link JXPathContext#setFunctions JXPathContext.setFunctions()}call.
The Function interface can be implemented directly. However, most of the time JXPath's built-in implementations should suffice. See {@link ClassFunctions ClassFunctions} and {@link PackageFunctions PackageFunctions}. @author Dmitri Plotnikov @version $Revision: 1.5 $ $Date: 2003/03/11 00:59:12 $


    public Function getFunction(QName functionName, Object[] parameters) {
        String namespace = functionName.getPrefix();
        String name = functionName.getName();
        JXPathContext funcCtx = this;
        Function func = null;
        Functions funcs;
        while (funcCtx != null) {
            funcs = funcCtx.getFunctions();
            if (funcs != null) {
                func = funcs.getFunction(namespace, name, parameters);

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