/*

  * 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 org.apache.myfaces.view.facelets.tag.jsf;

 import javax.faces.view.facelets.MetaRule;

 import javax.faces.view.facelets.Metadata;

 import javax.faces.view.facelets.MetadataTarget;

 import javax.faces.view.facelets.TagAttribute;

 /**

  *

  * @author lu4242

  */

 final class ElementNameRule extends MetaRule

 {

     public final static ElementNameRule INSTANCE = new ElementNameRule();

     @Override

     public Metadata applyRule(String name, TagAttribute attribute, MetadataTarget meta)

     {

         if ("elementName".equals(name))

         {

             if (!attribute.isLiteral())

             {

                 Class<?> type = meta.getPropertyType(name);

                 if (type == null)

                 {

                     type = Object.class;

                 }

                 return new PassthroughRuleImpl.ValueExpressionMetadata(name, type, attribute);

             }

             else

             {

                 return new PassthroughRuleImpl.LiteralAttributeMetadata(name, attribute.getValue());

             }

         }

         return null;

     }

 }