Examples of org.springframework.binding.validation.support.DefaultValidationResultsModel

Package org.springframework.binding.validation.support

Examples of org.springframework.binding.validation.support.DefaultValidationResultsModel

org.springframework.binding.validation.support.DefaultValidationResultsModel
Default implementation of {@link ValidationResultsModel}. Several events are fired when validationResults are set and can be tracked by registering the appropriate listener.
You can register listeners on:
- Changes of the ValidationResults in general. ( {@link #addValidationListener(ValidationListener)})
- Changes of validationResults concerning a specific property of the FormModel. ( {@link #addValidationListener(String,ValidationListener)})
- Specific events concerning errors, warnings and info. ( {@link #addPropertyChangeListener(String,PropertyChangeListener) with one of: ValidationResultsModel#HAS_ERRORS_PROPERTY, ValidationResultsModel#HAS_INFO_PROPERTY or ValidationResultsModel#HAS_WARNINGS_PROPERTY)
A child-parent relation can be used to bundle events and results. A listener set on a parent will receive events originating from the child and when polling for messages, childMessages will be available as well. This makes it possible to efficiently couple formModels and their validation aspect and provides a means to bundle validation reporting. When eg using a}{ {@link org.springframework.richclient.form.ValidationResultsReporter}, you have the opportunity to bundle results from various unrelated formModels to report to one end point.

Example:
```
 DefaultFormModel formModelA = ... DefaultFormModel formModelChildOfA = ... formModelA.addChild(formModelChildOfA); DefaultFormModel formModelB = ... \\ At this stage, the ValidationResultsModel of formModelChildOfA will route results &  \\ events to the ValidationResultsModel of formModelA DefaultValidationResultsModel container = new DefaultValidationResultsModel(); container.add(formModelA.getValidationResults()); container.add(formModelB.getValidationResults()); new SimpleValidationResultsReporter(container, messagable); \\ the reporter will now receive events & results of all formModels and can show messages of each of them 
```
@see org.springframework.binding.form.support.DefaultFormModel#addChild(org.springframework.binding.form.HierarchicalFormModel) @see org.springframework.richclient.form.SimpleValidationResultsReporter @author Oliver Hutchison @author Jan Hoskens

     * When the results reporter is setup on the master form, we need to capture it and
     * forward it on to the detail form as well.
     */
    public ValidationResultsReporter newSingleLineResultsReporter(Messagable messageReceiver) {
        // create a resultsModel container which receives events from detail and master
        ValidationResultsModel validationResultsModel = new DefaultValidationResultsModel();
        validationResultsModel.add(getFormModel().getValidationResults());
        validationResultsModel.add(getDetailFormModel().getValidationResults());
        ValidationResultsReporter reporter = new SimpleValidationResultsReporter(validationResultsModel, messageReceiver);
        return reporter;
    }

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    private TestValidationListener field1Listener;


    private TestValidationListener nullListener;


    public void setUp() {
        vrm = new DefaultValidationResultsModel();
        errorsListener = new TestPropertyChangeListener(ValidationResultsModel.HAS_ERRORS_PROPERTY);
        vrm.addPropertyChangeListener(ValidationResultsModel.HAS_ERRORS_PROPERTY, errorsListener);
        warnListener = new TestPropertyChangeListener(ValidationResultsModel.HAS_WARNINGS_PROPERTY);
        vrm.addPropertyChangeListener(ValidationResultsModel.HAS_WARNINGS_PROPERTY, warnListener);
        infoListener = new TestPropertyChangeListener(ValidationResultsModel.HAS_INFO_PROPERTY);

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    public void testEventsHaveCorectSource() {
        vrm.updateValidationResults(getResults("field1", Severity.ERROR));
        assertEquals(vrm, errorsListener.lastEvent().getSource());
        assertEquals(vrm, listener.lastResults());
        
        ValidationResultsModel delegateFor = new DefaultValidationResultsModel();
        vrm = new DefaultValidationResultsModel(delegateFor);
        vrm.addValidationListener(listener);
        vrm.addPropertyChangeListener(ValidationResultsModel.HAS_ERRORS_PROPERTY, errorsListener);        
        vrm.updateValidationResults(getResults("field1", Severity.ERROR));
        assertEquals(delegateFor, errorsListener.lastEvent().getSource());
        assertEquals(delegateFor, listener.lastResults());

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    /**
     * Simply check if {@link DefaultValidationResultsModel} counts its messages correctly.
     */
    public void testMessageCount() {
      DefaultValidationResultsModel resultsModel = new DefaultValidationResultsModel();
      resultsModel.addMessage(new DefaultValidationMessage("property1", Severity.ERROR, "message1"));
      resultsModel.addMessage(new DefaultValidationMessage("property1", Severity.INFO, "message2"));
      resultsModel.addMessage(new DefaultValidationMessage("property2", Severity.ERROR, "message3"));
      assertEquals("Number of messages should be 3", 3, resultsModel.getMessageCount());
      assertEquals("Number of messages registered for property1 should be 2", 2, resultsModel.getMessageCount("property1"));
      assertEquals("Number of messages flagged as INFO should be 1", 1, resultsModel.getMessageCount(Severity.INFO));
    }

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    /**
     * Check if adding a child triggers the parent to fire appropriate events.
     */
    public void testAddChildEvents() {
      DefaultValidationResultsModel childModel = new DefaultValidationResultsModel();
      
      childModel.addMessage(new DefaultValidationMessage("childProperty1", Severity.ERROR, "childErrorMessage1"));
      childModel.addMessage(new DefaultValidationMessage("childProperty1", Severity.WARNING, "childWarningMessage1"));
      childModel.addMessage(new DefaultValidationMessage("childProperty1", Severity.INFO, "childInfoMessage1"));
      vrm.add(childModel);
      assertEquals("ParentModel adds child with Error.", 1, listener.eventCount());
      assertEquals("ChildModel has ErrorMessage.", 1, errorsListener.eventCount());
      assertEquals("ChildModel has WarningMessage.", 1, warnListener.eventCount());
      assertEquals("ChildModel has InfoMessage.", 1, infoListener.eventCount());

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    /**
     * Check if adding a child triggers the parent to fire appropriate events.
     */
    public void testChildEvents() {
      DefaultValidationResultsModel childModel = new DefaultValidationResultsModel();
      
      vrm.add(childModel);
      childModel.addMessage(new DefaultValidationMessage("childProperty1", Severity.ERROR, "childErrorMessage1"));
      childModel.addMessage(new DefaultValidationMessage("childProperty1", Severity.WARNING, "childWarningMessage1"));
      childModel.addMessage(new DefaultValidationMessage("childProperty1", Severity.INFO, "childInfoMessage1"));
      assertEquals("Child added errorMessage, warningMessage and InfoMessage.", 3, listener.eventCount());
      assertEquals("ChildModel added ErrorMessage.", 1, errorsListener.eventCount());
      assertEquals("ChildModel added WarningMessage.", 1, warnListener.eventCount());
      assertEquals("ChildModel added InfoMessage.", 1, infoListener.eventCount());
      assertEquals("ChildModel added ErrorMessage.", Boolean.TRUE, errorsListener.lastEvent().getNewValue());

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    /**
     * Check if adding a child triggers the parent to fire appropriate events.
     */
    public void testRemoveChildEvents() {
      DefaultValidationResultsModel childModel = new DefaultValidationResultsModel();
      
      childModel.addMessage(new DefaultValidationMessage("childProperty1", Severity.ERROR, "childErrorMessage1"));
      childModel.addMessage(new DefaultValidationMessage("childProperty1", Severity.WARNING, "childWarningMessage1"));
      childModel.addMessage(new DefaultValidationMessage("childProperty1", Severity.INFO, "childInfoMessage1"));
      vrm.add(childModel);
      vrm.remove(childModel);
      assertEquals("Child removed, revalidate.", 2, listener.eventCount());      
      assertEquals("Child removed, revalidate ErrorMessages.", 2, errorsListener.eventCount());
      assertEquals("Child removed, revalidate WarningMessages.", 2, warnListener.eventCount());

View Full Code Here

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