Examples with XMLColumn org.teiid.query.sql.lang.XMLTable.XMLColumn used on opensource projects

Example 6 with XMLColumn

use of org.teiid.query.sql.lang.XMLTable.XMLColumn in project teiid by teiid.

the class SaxonXQueryExpression method processColumns.

private void processColumns(List<XMLTable.XMLColumn> columns, IndependentContext ic) throws QueryResolverException {
    if (columns == null) {
        return;
    }
    XPathEvaluator eval = new XPathEvaluator(config);
    eval.setStaticContext(ic);
    for (XMLColumn xmlColumn : columns) {
        if (xmlColumn.isOrdinal()) {
            continue;
        }
        String path = xmlColumn.getPath();
        if (path == null) {
            path = xmlColumn.getName();
        }
        path = path.trim();
        if (path.startsWith("/")) {
            // $NON-NLS-1$
            if (path.startsWith("//")) {
                // $NON-NLS-1$
                path = '.' + path;
            } else {
                path = path.substring(1);
            }
        }
        XPathExpression exp;
        try {
            exp = eval.createExpression(path);
        } catch (XPathException e) {
            throw new QueryResolverException(QueryPlugin.Event.TEIID30155, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30155, xmlColumn.getName(), xmlColumn.getPath()));
        }
        xmlColumn.setPathExpression(exp);
    }
}