+ Integer postCutOffLength = Numbers.safeParseInteger(request.getHttpRequest().getPartAsStringFailsafe("post-cut-off-length", 10), null);
+ if (!preferences.validatePostCutOffLength(postCutOffLength)) {
+ fieldErrors.add("post-cut-off-length");
+ } else {
+ preferences.setPostCutOffLength(postCutOffLength);
+ }