VaadinFieldGoupValidator.java

package com.asfrdc.gstockmild.frontend.util;

import com.vaadin.data.Validator;
import com.vaadin.data.fieldgroup.FieldGroup;
import com.vaadin.ui.Field;
import com.vaadin.ui.Notification;
import java.util.Map;

/**
 *
 * @author bashizip
 */
public class VaadinFieldGoupValidator {

    public static void showInvalidFileds(FieldGroup.CommitException e) {
        StringBuilder sb = new StringBuilder();
        Map<Field<?>, Validator.InvalidValueException> errMap = e.getInvalidFields();
        sb.append(errMap.size()).append("\tValidation errors !").append("\n\n");
        int i = 1;
        for (Field<?> field : errMap.keySet()) {
            String caption = field.getCaption();
            String invalidExc = errMap.get(field).getMessage();
            sb.append(i).append(".\t").append(caption).append(": ").append(invalidExc).append("\n");
            i++;
        }
        Notification.show(null,
                sb.toString(),
                Notification.Type.ERROR_MESSAGE);
    }

}