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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  
20  package org.apache.myfaces.tobago.internal.component;
21  
22  import org.apache.myfaces.tobago.component.OnComponentPopulated;
23  import org.apache.myfaces.tobago.util.ComponentUtils;
24  import org.slf4j.Logger;
25  import org.slf4j.LoggerFactory;
26  
27  import javax.faces.component.UIComponent;
28  import javax.faces.component.UISelectItem;
29  import javax.faces.context.FacesContext;
30  
31  public class AbstractUISelectItem extends UISelectItem implements OnComponentPopulated {
32  
33    private static final Logger LOG = LoggerFactory.getLogger(AbstractUISelectItem.class);
34  
35    private boolean itemValueLiteral;
36  
37    public void onComponentPopulated(FacesContext facesContext, UIComponent parent) {
38      if (itemValueLiteral) {
39        Object converted = ComponentUtils.getConvertedValue(
40            FacesContext.getCurrentInstance(), parent, (String) getItemValue());
41        super.setItemValue(converted);
42      }
43    }
44  
45    @Override
46    public void setItemValue(Object itemValue) {
47      if (itemValue instanceof String) {
48        itemValueLiteral = true;
49      } else if (itemValue == null) {
50        // ignore
51      } else {
52        LOG.warn("Unexpected type of literal for attribute 'itemValue': "
53            + "type=" + itemValue.getClass().getName() + " value='" + itemValue + "'.");
54      }
55      super.setItemValue(itemValue);
56    }
57  }