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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.SupportsLabelLayout;
23  import org.apache.myfaces.tobago.component.Visual;
24  import org.apache.myfaces.tobago.util.MessageUtils;
25  
26  import javax.faces.application.FacesMessage;
27  import javax.faces.component.UIInput;
28  import javax.faces.component.behavior.ClientBehaviorHolder;
29  import javax.faces.context.FacesContext;
30  
31  /**
32   * Base class for select one.
33   */
34  public abstract class AbstractUISelectOneBase extends javax.faces.component.UISelectOne
35      implements Visual, SupportsLabelLayout, ClientBehaviorHolder {
36  
37    public static final String MESSAGE_VALUE_REQUIRED = "tobago.SelectOne.MESSAGE_VALUE_REQUIRED";
38  
39    @Override
40    public void validate(final FacesContext facesContext) {
41      if (isRequired()  && !isReadonly()) {
42        final Object submittedValue = getSubmittedValue();
43        if (submittedValue == null || "".equals(submittedValue)) {
44          if (getRequiredMessage() != null) {
45            final String requiredMessage = getRequiredMessage();
46            facesContext.addMessage(getClientId(facesContext), new FacesMessage(FacesMessage.SEVERITY_ERROR,
47                requiredMessage, requiredMessage));
48          } else {
49            MessageUtils.addMessage(facesContext, this, FacesMessage.SEVERITY_ERROR,
50                UIInput.REQUIRED_MESSAGE_ID, new Object[]{MessageUtils.getLabel(facesContext, this)});
51          }
52          setValid(false);
53        }
54      }
55      super.validate(facesContext);
56    }
57  
58    public abstract boolean isReadonly();
59  }