public void checkArguments(StaticContext env) throws XPathException {
if (checked) return;
checked = true;
super.checkArguments(env);
Optimizer opt = env.getConfiguration().getOptimizer();
argument[1] = ExpressionTool.unsorted(opt, argument[1], false);
if (argument[0] instanceof StringValue) {
// common case, key name is supplied as a constant
try {
keyFingerprint =
((ExpressionContext) env)
.getFingerprint(((StringValue) argument[0]).getStringValue(), false);
} catch (XPathException e) {
StaticError err =
new StaticError(
"Error in key name "
+ ((StringValue) argument[0]).getStringValue()
+ ": "
+ e.getMessage());
err.setLocator(this);
err.setErrorCode("XTDE1260");
throw err;
}
if (keyFingerprint == -1) {
StaticError err =
new StaticError(
"Key " + ((StringValue) argument[0]).getStringValue() + " has not been defined");
err.setLocator(this);
err.setErrorCode("XTDE1260");
throw err;
}
} else {
// we need to save the namespace context
nsContext = env.getNamespaceResolver();
}
}
