public static synchronized Object getFieldValue()

in empire-db/src/main/java/org/apache/empire/commons/ClassUtils.java [252:291]

• 35 lines of code
• 15 McCabe index (conditional complexity)

    public static synchronized Object getFieldValue(Class<?> clazz, Object object, String property, boolean includePrivateFields)
    {
        // check arguments
        if (clazz==null || (object!=null && !clazz.isInstance(object)))
            throw new InvalidArgumentException("clazz", clazz);
        if (StringUtils.isEmpty(property))
            throw new InvalidArgumentException("property", property);
        // begin
        boolean accessible = true; 
        Field field = null;
        try
        { // find and invoke
            field = (includePrivateFields ? clazz.getDeclaredField(property) : clazz.getField(property));
            accessible = field.isAccessible();
            if (includePrivateFields && accessible==false)
                field.setAccessible(true);
            // invoke
            return field.get(object);
        }
        catch (NoSuchFieldException e)
        {   // No such Method
            if (includePrivateFields)
            {   // try superclass
                clazz = clazz.getSuperclass();
                if (clazz!=null && !clazz.equals(java.lang.Object.class))
                    return getFieldValue(clazz, object, property, true);
            }
            // not found
            return null;
        }
        catch (IllegalAccessException e)
        {   // Invalid Method definition   
            throw new NotSupportedException(object, property, e);
        }
        finally {
            // restore accessible
            if (field!=null && accessible==false)
                field.setAccessible(false);
        }
    }