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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.SupportsMarkup;
23  import org.apache.myfaces.tobago.layout.LayoutComponent;
24  import org.apache.myfaces.tobago.util.MessageUtils;
25  
26  import javax.faces.application.FacesMessage;
27  import javax.faces.component.UISelectBoolean;
28  import javax.faces.context.FacesContext;
29  
30  public abstract class AbstractUISelectBooleanCheckbox extends UISelectBoolean
31      implements LayoutComponent, SupportsMarkup {
32  
33    public boolean isSelected() {
34      Object value = getSubmittedValue();
35      if (value == null) {
36        value = getValue();
37      }
38      if (value instanceof Boolean) {
39        return ((Boolean) value);
40      } else {
41        return value != null && Boolean.valueOf(value.toString());
42      }
43    }
44  
45    protected void validateValue(FacesContext facesContext, Object convertedValue) {
46      if (isRequired()) {
47        if (convertedValue instanceof Boolean && !((Boolean) convertedValue)
48            // String: e. g. if there is no ValueExpression
49            || convertedValue instanceof String && !Boolean.parseBoolean((String) convertedValue)) {
50          MessageUtils.addMessage(
51              facesContext, this, FacesMessage.SEVERITY_ERROR, REQUIRED_MESSAGE_ID, new Object[]{getId()});
52          setValid(false);
53          return;
54        }
55      }
56      super.validateValue(facesContext, convertedValue);
57    }
58  }