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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.util.ComponentUtils;
23  import org.slf4j.Logger;
24  import org.slf4j.LoggerFactory;
25  
26  import javax.faces.component.UISelectItem;
27  import javax.faces.component.UISelectMany;
28  import javax.faces.context.FacesContext;
29  
30  /**
31   * {@link org.apache.myfaces.tobago.internal.taglib.component.SelectItemTagDeclaration}
32   */
33  public class AbstractUISelectItem extends UISelectItem {
34  
35    private static final Logger LOG = LoggerFactory.getLogger(AbstractUISelectItem.class);
36  
37    private boolean itemValueLiteral;
38  
39    @Override
40    public void setItemValue(final Object itemValue) {
41      if (itemValue instanceof String) {
42        itemValueLiteral = true;
43      } else if (itemValue == null) {
44        // ignore
45      } else {
46        LOG.warn("Unexpected type of literal for attribute 'itemValue': "
47            + "type=" + itemValue.getClass().getName() + " value='" + itemValue + "'.");
48      }
49      super.setItemValue(itemValue);
50    }
51  
52    @Override
53    public Object getItemValue() {
54      if (itemValueLiteral && !(getParent() instanceof UISelectMany)) {
55        final Object converted = ComponentUtils.getConvertedValue(
56            FacesContext.getCurrentInstance(), getParent(), (String) super.getItemValue());
57        return converted;
58      } else {
59        return super.getItemValue();
60      }
61    }
62  }