Examples with XPathFunction javax.xml.xpath.XPathFunction used on opensource projects

Example 6 with XPathFunction

use of javax.xml.xpath.XPathFunction in project j2objc by google.

the class JAXPExtensionsProvider method extFunction.

/**
     * Execute the extension function.
     */
public Object extFunction(String ns, String funcName, Vector argVec, Object methodKey) throws javax.xml.transform.TransformerException {
    try {
        if (funcName == null) {
            String fmsg = XSLMessages.createXPATHMessage(XPATHErrorResources.ER_ARG_CANNOT_BE_NULL, new Object[] { "Function Name" });
            throw new NullPointerException(fmsg);
        }
        //Find the XPathFunction corresponding to namespace and funcName
        javax.xml.namespace.QName myQName = new QName(ns, funcName);
        // throw XPathFunctionException
        if (extensionInvocationDisabled) {
            String fmsg = XSLMessages.createXPATHMessage(XPATHErrorResources.ER_EXTENSION_FUNCTION_CANNOT_BE_INVOKED, new Object[] { myQName.toString() });
            throw new XPathFunctionException(fmsg);
        }
        // Assuming user is passing all the needed parameters ( including
        // default values )
        int arity = argVec.size();
        javax.xml.xpath.XPathFunction xpathFunction = resolver.resolveFunction(myQName, arity);
        // not using methodKey
        ArrayList argList = new ArrayList(arity);
        for (int i = 0; i < arity; i++) {
            Object argument = argVec.elementAt(i);
            // Explicitly getting NodeList by using nodelist()
            if (argument instanceof XNodeSet) {
                argList.add(i, ((XNodeSet) argument).nodelist());
            } else if (argument instanceof XObject) {
                Object passedArgument = ((XObject) argument).object();
                argList.add(i, passedArgument);
            } else {
                argList.add(i, argument);
            }
        }
        return (xpathFunction.evaluate(argList));
    } catch (XPathFunctionException xfe) {
        // further execution by throwing WrappedRuntimeException 
        throw new org.apache.xml.utils.WrappedRuntimeException(xfe);
    } catch (Exception e) {
        throw new javax.xml.transform.TransformerException(e);
    }
}

Example 7 with XPathFunction

use of javax.xml.xpath.XPathFunction in project j2objc by google.

the class JAXPExtensionsProvider method functionAvailable.

/**
     * Is the extension function available?
     */
public boolean functionAvailable(String ns, String funcName) throws javax.xml.transform.TransformerException {
    try {
        if (funcName == null) {
            String fmsg = XSLMessages.createXPATHMessage(XPATHErrorResources.ER_ARG_CANNOT_BE_NULL, new Object[] { "Function Name" });
            throw new NullPointerException(fmsg);
        }
        //Find the XPathFunction corresponding to namespace and funcName
        javax.xml.namespace.QName myQName = new QName(ns, funcName);
        javax.xml.xpath.XPathFunction xpathFunction = resolver.resolveFunction(myQName, 0);
        if (xpathFunction == null) {
            return false;
        }
        return true;
    } catch (Exception e) {
        return false;
    }
}