Simon Titheridge created ISIS-2419:
--------------------------------------
Summary: Validate prefix-method on Action has boilerplate text in
error message
Key: ISIS-2419
URL: https://issues.apache.org/jira/browse/ISIS-2419
Project: Isis
Issue Type: Bug
Components: Isis Core
Affects Versions: 2.0.0-M3
Reporter: Simon Titheridge
Attachments: image-2020-08-05-22-26-25-207.png,
image-2020-08-05-22-29-10-621.png
If I have an action "update" that is validated in it's entirety by a validation
method "validateUpdate" then the error message in the wicket viewer shows
unwanted boiler plate wording ("_[violation of some declarative constraint]:_")
together with the desired error message.
*Screenshot of unwanted text:*
!image-2020-08-05-22-26-25-207.png|width=516,height=332!
*Code that produces the message*
{code:java}
@Action(semantics = SemanticsOf.NON_IDEMPOTENT)
public Task update(
TaskStatus status,
@Parameter(optionality = Optionality.OPTIONAL) String
comment) {
this.status = status;
if (comment != null) {
this.comments =
"".concat(this.comments).concat(comment).concat("\n");
}
return repositoryService.persist(this);
}
public String validateUpdate(TaskStatus status, String comment) {
if (this.status != status) {
if (this.status == TaskStatus.Complete || this.status
== TaskStatus.Cancelled) {
return "Can't change status of a task that is
Complete or Cancelled";
}
}
return null;
}
{code}
This problem does not manifest if I do validation on only one of the action
parameters, as follows:
*Screenshot:*
*!image-2020-08-05-22-29-10-621.png|width=627,height=358!*
*Code of validation message:*
{code:java}
public String validate0Update(TaskStatus status) {
if (this.status != status) {
if (this.status == TaskStatus.Complete || this.status
== TaskStatus.Cancelled) {
return "Can't change status of a task that is
Complete or Cancelled";
}
}
return null;
}
{code}
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