/**
* Translation-time validation of the XML document associated with the JSP page. This is a
* convenience method on the associated TagLibraryValidator class.
*
* @param thePage The JSP page object
* @return A string indicating whether the page is valid or not.
*/
public ValidationMessage[] validate(PageData thePage) {
TagLibraryValidator tlv = getTagLibraryValidator();
if (tlv == null) return null;
String uri = getURI();
if (uri.startsWith("/")) {
uri = URN_JSPTLD + uri;
}
return tlv.validate(getPrefixString(), uri, thePage);
}
private TagLibraryValidator createValidator(TreeNode elem) throws JasperException {
String validatorClass = null;
Map initParams = new Hashtable();
Iterator list = elem.findChildren();
while (list.hasNext()) {
TreeNode element = (TreeNode) list.next();
String tname = element.getName();
if ("validator-class".equals(tname)) validatorClass = element.getBody();
else if ("init-param".equals(tname)) {
String[] initParam = createInitParam(element);
initParams.put(initParam[0], initParam[1]);
} else if ("description".equals(tname)
|| // Ignored elements
false) {
} else {
if (log.isWarnEnabled()) {
log.warn(Localizer.getMessage("jsp.warning.unknown.element.in.validator", tname));
}
}
}
TagLibraryValidator tlv = null;
if (validatorClass != null && !validatorClass.equals("")) {
try {
Class tlvClass = ctxt.getClassLoader().loadClass(validatorClass);
tlv = (TagLibraryValidator) tlvClass.newInstance();
} catch (Exception e) {
err.jspError("jsp.error.tlvclass.instantiation", validatorClass, e);
}
}
if (tlv != null) {
tlv.setInitParameters(initParams);
}
return tlv;
}