| commit | author | age | ||
| 41d500 | 1 | package com.redhat.training.ui; |
| RS | 2 | |
| 3 | import java.util.Set; | |
| 4 | import java.util.function.Predicate; | |
| 5 | ||
| 6 | import javax.faces.component.UIComponent; | |
| 7 | import javax.faces.component.UISelectItems; | |
| 8 | import javax.faces.context.FacesContext; | |
| 9 | import javax.faces.convert.Converter; | |
| 10 | import javax.faces.convert.FacesConverter; | |
| 11 | ||
| 12 | import com.redhat.training.model.UserGroup; | |
| 13 | ||
| 14 | @FacesConverter(value = "SelectItemToEntityConverter") | |
| 15 | public class SelectItemConverter implements Converter { | |
| 16 | ||
| 17 | @Override | |
| 18 | public Object getAsObject(FacesContext ctx, UIComponent comp, String value) { | |
| 19 | Object o = null; | |
| 20 | if (!(value == null || value.isEmpty())) { | |
| 21 | o = this.getSelectedItemAsEntity(comp, value); | |
| 22 | } | |
| 23 | return o; | |
| 24 | } | |
| 25 | ||
| 26 | @Override | |
| 27 | public String getAsString(FacesContext ctx, UIComponent comp, Object value) { | |
| 28 | String s = ""; | |
| 29 | if (value != null) { | |
| 30 | s = ((UserGroup) value).getId().toString(); | |
| 31 | } | |
| 32 | return s; | |
| 33 | } | |
| 34 | ||
| 35 | private UserGroup getSelectedItemAsEntity(UIComponent comp, String value) { | |
| 36 | UserGroup item = null; | |
| 37 | ||
| 38 | Set<UserGroup> selectItems = null; | |
| 39 | for (UIComponent uic : comp.getChildren()) { | |
| 40 | if (uic instanceof UISelectItems) { | |
| 41 | Long itemId = Long.valueOf(value); | |
| 42 | selectItems = (Set<UserGroup>) ((UISelectItems) uic).getValue(); | |
| 43 | ||
| 44 | if (itemId != null && selectItems != null && !selectItems.isEmpty()) { | |
| 45 | Predicate<UserGroup> predicate = i -> i.getId().equals(itemId); | |
| 46 | item = selectItems.stream().filter(predicate).findFirst().orElse(null); | |
| 47 | } | |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 | return item; | |
| 52 | } | |
| 53 | } | |
