FunctionMapper fnMapper = ctx.getFunctionMapper();
// quickly validate again for this request
if (fnMapper == null) {
throw new ELException(MessageFactory.get("error.fnMapper.null"));
}
Method m = fnMapper.resolveFunction(this.prefix, this.localName);
if (m == null) {
throw new ELException(MessageFactory.get("error.fnMapper.method",
this.getOutputName()));
}
Class[] paramTypes = m.getParameterTypes();
Object[] params = null;
Object result = null;
int numParams = this.jjtGetNumChildren();
if (numParams > 0) {
params = new Object[numParams];
try {
for (int i = 0; i < numParams; i++) {
params[i] = this.children[i].getValue(ctx);
params[i] = coerceToType(params[i], paramTypes[i]);
}
} catch (ELException ele) {
throw new ELException(MessageFactory.get("error.function", this
.getOutputName()), ele);
}
}
try {
result = m.invoke(null, params);
} catch (IllegalAccessException iae) {
throw new ELException(MessageFactory.get("error.function", this
.getOutputName()), iae);
} catch (InvocationTargetException ite) {
throw new ELException(MessageFactory.get("error.function", this
.getOutputName()), ite.getCause());
}
return result;
