pojo/src/main/java/org/jboss/as/pojo/descriptor/AbstractConfigVisitorNode.java
protected static Class<?> getType(ConfigVisitor visitor, String className) {
        if (className != null) {
            try {
                return visitor.getModule().getClassLoader().loadClass(className);
            } catch (Exception e) {
                throw new IllegalArgumentException(e);
            }
        }
        return null;
    }
protected static Class<?> getType(ConfigVisitor visitor, String className) {
        if (className != null) {
            try {
                return visitor.getModule().getClassLoader().loadClass(className);
            } catch (Exception e) {
                throw new IllegalArgumentException(e);
            }
        }
        return null;
    }
Load class.

@param visitor   the visitor
@param className the class name
@return class or null if null class name