Example usage for com.vaadin.shared.ui ErrorLevel ERROR

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Prototype

ErrorLevel ERROR

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Document

Error level for regular messages.

Usage

From source file:de.symeda.sormas.ui.SormasErrorHandler.java

License:Open Source License

/**
 * Taken and cleaned from AbstractErrorMessage
 *//* w w  w .java  2s.  c om*/
public static ErrorMessage getErrorMessageForException(Throwable t) {

    //return AbstractErrorMessage.getErrorMessageForException(t)
    if (null == t) {
        return null;
    } else if (t instanceof ErrorMessage) {
        // legacy case for custom error messages
        return (ErrorMessage) t;
    } else if (t instanceof Validator.InvalidValueException) {
        LocalUserError error = new LocalUserError(((Validator.InvalidValueException) t).getHtmlMessage(),
                ContentMode.HTML, ErrorLevel.ERROR);
        for (Validator.InvalidValueException nestedException : ((Validator.InvalidValueException) t)
                .getCauses()) {
            error.addCause(getErrorMessageForException(nestedException));
        }
        return error;
    } else if (t instanceof Buffered.SourceException) {
        // no message, only the causes to be painted
        LocalUserError error = new LocalUserError(null);
        // in practice, this was always ERROR in Vaadin 6 unless tweaked in
        // custom exceptions implementing ErrorMessage
        error.setErrorLevel(ErrorLevel.ERROR);
        // causes
        for (Throwable nestedException : ((Buffered.SourceException) t).getCauses()) {
            error.addCause(getErrorMessageForException(nestedException));
        }
        return error;
    } else {
        Throwable rootCause = ExceptionUtils.getRootCause(t);
        if (rootCause instanceof ValidationRuntimeException) {
            LocalUserError error;
            if (rootCause instanceof OutdatedEntityException) {
                error = new LocalUserError(I18nProperties.getString(Strings.errorEntityOutdated),
                        ContentMode.HTML, ErrorLevel.WARNING);
            } else {
                error = new LocalUserError(rootCause.getMessage(), ContentMode.HTML, ErrorLevel.WARNING);
            }
            return error;
        } else {
            String message = t.getMessage();
            if (message == null) {
                message = I18nProperties.getString(Strings.errorOccurred);
            }
            return new SystemError(message);
        }
    }
}

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