/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 package javax.faces.component;

 import javax.faces.context.FacesContext;

 import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFComponent;

 /**

  * Component for choosing one option out of a set of possibilities.

  * <p>

  * This component is expected to have children of type UISelectItem or UISelectItems; these define

  * the set of possible options that the user can choose from.

  * </p>

  * <p>

  * See the javadoc for this class in the

  * <a href="http://java.sun.com/j2ee/javaserverfaces/1.1_01/docs/api/index.html">JSF Specification</a>

  * for further details.

  * </p>

  */

 @JSFComponent(defaultRendererType = "javax.faces.Menu")

 public class UISelectOne extends UIInput

 {

     public static final String COMPONENT_TYPE = "javax.faces.SelectOne";

     public static final String COMPONENT_FAMILY = "javax.faces.SelectOne";

     public static final String INVALID_MESSAGE_ID = "javax.faces.component.UISelectOne.INVALID";

     public UISelectOne()

     {

         setRendererType("javax.faces.Menu");

     }

     @Override

     public String getFamily()

     {

         return COMPONENT_FAMILY;

     }

     /**

      * Verify that the result of converting the newly submitted value is <i>equal</i> to the value

      * property of one of the child SelectItem objects. If this is not true, a validation error is

      * reported.

      * 

      * @see javax.faces.component.UIInput#validateValue(javax.faces.context.FacesContext,java.lang.Object)

      */

     protected void validateValue(FacesContext context, Object value)

     {

         super.validateValue(context, value);

         if (!isValid() || value == null)

         {

             return;

         }

         _SelectItemsUtil._ValueConverter converter = new _SelectItemsUtil._ValueConverter()

         {

             public Object getConvertedValue(FacesContext context, String value)

             {

                 return UISelectOne.this.getConvertedValue(context, value);

             }

         };

         // selected value must match to one of the available options

         if (!_SelectItemsUtil.matchValue(context, value, new _SelectItemsIterator(this), converter))

         {

             _MessageUtils.addErrorMessage(context, this, INVALID_MESSAGE_ID, new Object[]

             { _MessageUtils.getLabel(context, this) });

             setValid(false);

         }

     }

 }