/*

  * 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.core;

 import javax.el.ELException;

 import javax.faces.FacesException;

 import javax.faces.convert.Converter;

 import javax.faces.view.facelets.ConverterConfig;

 import javax.faces.view.facelets.ConverterHandler;

 import javax.faces.view.facelets.FaceletContext;

 import javax.faces.view.facelets.FaceletException;

 import javax.faces.view.facelets.MetaRuleset;

 import javax.faces.view.facelets.TagAttribute;

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

 /**

  * Register a named Converter instance on the UIComponent associated with the closest parent UIComponent custom action.

  * <p/> See <a target="_new" href="http://java.sun.com/j2ee/javaserverfaces/1.1_01/docs/tlddocs/f/converter.html">tag

  * documentation</a>.

  * 

  * @author Jacob Hookom

  * @version $Id$

  */

 @JSFFaceletTag(

         name = "f:converter",

         bodyContent = "empty", 

         tagClass="org.apache.myfaces.taglib.core.ConverterImplTag")

 public final class ConvertDelegateHandler extends ConverterHandler

 {

     private final TagAttribute converterId;

     /**

      * @param config

      */

     public ConvertDelegateHandler(ConverterConfig config)

     {

         super(config);

         this.converterId = this.getAttribute("converterId");

     }

     /**

      * Uses the specified "converterId" to pull an instance from the Application

      * 

      * @see javax.faces.application.Application#createComponent(java.lang.String)

      * @see org.apache.myfaces.view.facelets.tag.jsf.ConverterHandler#createConverter(javax.faces.view.facelets.FaceletContext)

      */

     protected Converter createConverter(FaceletContext ctx) throws FacesException, ELException, FaceletException

     {

         return ctx.getFacesContext().getApplication().createConverter(this.getConverterId(ctx));

     }

     protected MetaRuleset createMetaRuleset(Class type)

     {

         return super.createMetaRuleset(type).ignoreAll();

     }

     @Override

     public String getConverterId(FaceletContext ctx)

     {

         if (converterId == null)

         {

             return null;

         }

         return converterId.getValue(ctx);

     }

 }