/** Returns the static method defined in an element, or null if failed. */
/*package*/ static MethodInfo getMethodInfo(Element el) {
final String clsnm = IDOMs.getRequiredAttributeValue(el, "class");
final String sig = IDOMs.getRequiredAttributeValue(el, "signature");
final Class cls;
try {
cls = Classes.forNameByThread(clsnm);
} catch (ClassNotFoundException ex) {
log.error("Class not found: " + clsnm + ", " + el.getLocator());
return null; // to report as many errors as possible
}
try {
final Method mtd = Classes.getMethodBySignature(cls, sig, null);
if ((mtd.getModifiers() & Modifier.STATIC) == 0) {
log.error("Not a static method: " + mtd);
return null;
}
final Object[] args = new Object[mtd.getParameterTypes().length];
for (int j = 0; j < args.length; ++j) args[j] = el.getAttributeValue("arg" + j);
return new MethodInfo(mtd, args);
} catch (ClassNotFoundException ex) {
log.realCauseBriefly(
"Unable to load class when resolving " + sig + " " + el.getLocator(), ex);
} catch (NoSuchMethodException ex) {
log.error("Method not found in " + clsnm + ": " + sig + " " + el.getLocator());
}
return null;
}
