Method validateXmlView

java/org/apache/jasper/compiler/Validator.java:1601–1636

Validate XML view against the TagLibraryValidator classes of all imported tag libraries.

(PageData xmlView, Compiler compiler)

     * Validate XML view against the TagLibraryValidator classes of all imported tag libraries.
     */
    private static void validateXmlView(PageData xmlView, Compiler compiler) throws JasperException {

        StringBuilder errMsg = null;
        ErrorDispatcher errDisp = compiler.getErrorDispatcher();

        for (Object o : compiler.getPageInfo().getTaglibs()) {

            if (!(o instanceof TagLibraryInfoImpl tli)) {
                continue;
            }

            ValidationMessage[] errors = tli.validate(xmlView);
            if ((errors != null) && (errors.length != 0)) {
                if (errMsg == null) {
                    errMsg = new StringBuilder();
                }
                errMsg.append("<h3>");
                errMsg.append(Localizer.getMessage("jsp.error.tlv.invalid.page", tli.getShortName(),
                        compiler.getPageInfo().getJspFile()));
                errMsg.append("</h3>");
                for (ValidationMessage error : errors) {
                    if (error != null) {
                        errMsg.append("<p>");
                        errMsg.append(error.getId());
                        errMsg.append(": ");
                        errMsg.append(error.getMessage());
                        errMsg.append("</p>");
                    }
                }
            }
        }

        if (errMsg != null) {
            errDisp.jspError(errMsg.toString());
        }
    }
}