/*

  * 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;

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

 /**

  * This tag associates a parameter name-value pair with the nearest parent UIComponent. A UIComponent is created to

  * represent this name-value pair, and stored as a child of the parent component; what effect this has depends upon the

  * renderer of that parent component.

  * <p>

  * Unless otherwise specified, all attributes accept static values or EL expressions.

  * </p>

  */

 @JSFComponent(clazz = "javax.faces.component.UIParameter", template = true,

               name = "f:param", tagClass = "org.apache.myfaces.taglib.core.ParamTag")

 abstract class _UIParameter extends UIComponentBase

 {

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

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

     /**

      * Disable this property; although this class extends a base-class that defines a read/write rendered property, this

      * particular subclass does not support setting it. Yes, this is broken OO design: direct all complaints to the JSF

      * spec group.

      */

     @Override

     @JSFProperty(tagExcluded = true)

     public void setRendered(boolean state)

     {

         super.setRendered(state);

         // call parent method due TCK problems

         // throw new UnsupportedOperationException();

     }

     @Override

     protected FacesContext getFacesContext()

     {

         //In theory the parent most of the times has 

         //the cached FacesContext instance, because this

         //element is purely logical, and the parent is the one

         //where encodeXXX was invoked. But only limit the

         //search to the closest parent.

         UIComponent parent = getParent();

         if (parent != null && parent.isCachedFacesContext())

         {

             return parent.getFacesContext();

         }

         else

         {

             return super.getFacesContext();

         }

     }

     /**

      * The value of this component.

      * 

      * @return the new value value

      */

     @JSFProperty

     public abstract Object getValue();

     /**

      * The name under which the value is stored.

      * 

      * @return the new name value

      */

     @JSFProperty

     public abstract String getName();

     /**

      *  If this property is true, the value of this component is

      *  just ignored or skipped.

      *  

      *  @since 2.0

      */

     @JSFProperty(defaultValue="false", tagExcluded=true)

     public abstract boolean isDisable();

 }