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Show violation details in case a ConstraintViolationException is raised (#434)

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* Show violation details in case a ConstraintViolationException is raised

Signed-off-by: Dominic Schabel <dominic.schabel@bosch-si.com>

* Review comments added.
This commit is contained in:
Dominic Schabel
2017-02-14 20:20:37 +01:00
committed by Kai Zimmermann
parent dce3263df3
commit bc5b11d39a
1 changed files with 27 additions and 1 deletions
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28
hawkbit-ui/src/main/java/org/eclipse/hawkbit/ui/components/HawkbitUIErrorHandler.java
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@@ -11,6 +11,13 @@ package org.eclipse.hawkbit.ui.components;
import static com.vaadin.ui.themes.ValoTheme.NOTIFICATION_CLOSABLE;
import static com.vaadin.ui.themes.ValoTheme.NOTIFICATION_FAILURE;
import static com.vaadin.ui.themes.ValoTheme.NOTIFICATION_SMALL;
import static java.lang.System.lineSeparator;
import static java.util.stream.Collectors.joining;
import java.util.Set;
import javax.validation.ConstraintViolation;
import javax.validation.ConstraintViolationException;
import org.eclipse.hawkbit.ui.utils.I18N;
import org.eclipse.hawkbit.ui.utils.SpringContextHelper;
@@ -91,10 +98,29 @@ public class HawkbitUIErrorHandler extends DefaultErrorHandler {
* @return a hawkbit error notification message
*/
protected HawkbitErrorNotificationMessage buildNotification(final Throwable ex) {
LOG.error("Error in UI: ", ex);
final String errorMessage = extractMessageFrom(ex);
final I18N i18n = SpringContextHelper.getBean(I18N.class);
return new HawkbitErrorNotificationMessage(STYLE, i18n.get("caption.error"),
i18n.get("message.error.temp", ex.getClass().getSimpleName()), false);
i18n.get("message.error.temp", errorMessage), false);
}
private String extractMessageFrom(final Throwable ex) {
if (!(ex instanceof ConstraintViolation)) {
return ex.getClass().getSimpleName();
}
final Set<ConstraintViolation<?>> violations = ((ConstraintViolationException) ex).getConstraintViolations();
if (violations == null) {
return ex.getClass().getSimpleName();
}
return violations.stream().map(violation -> violation.getPropertyPath() + " " + violation.getMessage())
.collect(joining(lineSeparator()));
}
}