1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.util.bridges.jsf.common;
16  
17  import com.liferay.portal.kernel.language.LanguageUtil;
18  import com.liferay.portal.kernel.util.StringPool;
19  
20  import java.util.ArrayList;
21  import java.util.Locale;
22  
23  import javax.faces.context.FacesContext;
24  import javax.faces.model.SelectItem;
25  
26  /**
27   * <a href="SelectItemList.java.html"><b><i>View Source</i></b></a>
28   *
29   * <p>
30   * This class provides a convenient way of building lists of JSF SelectItem
31   * objects, and convenience method for operating against them.
32   * </p>
33   *
34   * @author Neil Griffin
35   */
36  public class SelectItemList extends ArrayList<SelectItem> {
37  
38      public void prependEmptySelectItem(FacesContext facesContext) {
39          Locale locale = facesContext.getExternalContext().getRequestLocale();
40  
41          Object value = StringPool.BLANK;
42          String label = LanguageUtil.get(locale, "select");
43  
44          add(0, new SelectItem(value, label));
45      }
46  
47  }