public static synchronized UDF loadUDF(
PageContext pc, String filename, Collection.Key name, boolean isweb) throws PageException {
ConfigWebImpl config = (ConfigWebImpl) pc.getConfig();
String key = isweb ? name.getString() + config.getId() : name.getString();
UDF udf = config.getFromFunctionCache(key);
if (udf != null) return udf;
Mapping mapping = isweb ? config.getFunctionMapping() : config.getServerFunctionMapping();
PageSourceImpl ps = (PageSourceImpl) mapping.getPageSource(filename);
Page p = ps.loadPage(pc, pc.getConfig());
// execute page
Variables old = pc.variablesScope();
pc.setVariablesScope(VAR);
boolean wasSilent = pc.setSilent();
try {
p.call(pc);
Object o = pc.variablesScope().get(name, null);
if (o instanceof UDF) {
udf = (UDF) o;
config.putToFunctionCache(key, udf);
return udf;
}
throw new ExpressionException(
"there is no Function defined with name ["
+ name
+ "] in template ["
+ mapping.getStrPhysical()
+ File.separator
+ filename
+ "]");
} catch (Throwable t) {
throw Caster.toPageException(t);
} finally {
pc.setVariablesScope(old);
if (!wasSilent) pc.unsetSilent();
}
}
