diff options
Diffstat (limited to 'documentation/datamodel')
-rw-r--r-- | documentation/datamodel/datamodel-forms.asciidoc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/documentation/datamodel/datamodel-forms.asciidoc b/documentation/datamodel/datamodel-forms.asciidoc index 8772f0d770..0a040230c6 100644 --- a/documentation/datamodel/datamodel-forms.asciidoc +++ b/documentation/datamodel/datamodel-forms.asciidoc @@ -563,14 +563,20 @@ We can also define our own status handler to provide a custom way of handling st [source, java] ---- +// We will first set the status label's content mode to HTML +// in order to display generated error messages separated by a <br> tag +formStatusLabel.setContentMode(ContentMode.HTML); + BinderValidationStatusHandler defaultHandler = binder.getValidationStatusHandler(); binder.setValidationStatusHandler(status -> { // create an error message on failed bean level validations List<Result<?>> errors = status.getBeanValidationErrors(); + // collect all bean level error messages into a single string, + // separating each message with a <br> tag String errorMessage = errors.stream().map(Result::getMessage) - .map(o -> o.get()).collect(Collectors.joining("\n")); - // show error in a label + .map(o -> o.get()).collect(Collectors.joining("<br>")); + // finally, display all bean level validation errors in a single label formStatusLabel.setValue(errorMessage); formStatusLabel.setVisible(!errorMessage.isEmpty()); |