| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package javax.faces.component; |
| |
| import java.util.Arrays; |
| import java.util.Iterator; |
| |
| import javax.faces.context.FacesContext; |
| import javax.faces.model.SelectItem; |
| import javax.faces.model.SelectItemGroup; |
| |
| /** |
| * @author Mathias Broekelmann (latest modification by $Author$) |
| * @version $Revision$ $Date$ |
| */ |
| class _SelectItemsUtil |
| { |
| public static interface _ValueConverter |
| { |
| Object getConvertedValue(FacesContext context, String value); |
| } |
| |
| /** |
| * @param value the value to check |
| * @param selectItemsIter contains instances of SelectItem |
| * @return if the value of a selectitem is equal to the given value |
| */ |
| public static boolean matchValue(Object value, |
| Iterator selectItemsIter) |
| { |
| while (selectItemsIter.hasNext()) |
| { |
| SelectItem item = (SelectItem) selectItemsIter.next(); |
| if (item instanceof SelectItemGroup) |
| { |
| SelectItemGroup itemgroup = (SelectItemGroup) item; |
| SelectItem[] selectItems = itemgroup.getSelectItems(); |
| if (selectItems != null |
| && selectItems.length > 0 |
| && matchValue(value, Arrays.asList( |
| selectItems).iterator())) |
| { |
| return true; |
| } |
| } |
| else |
| { |
| Object itemValue = item.getValue(); |
| if (value==itemValue || (itemValue.equals(value))) |
| { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| } |