/*

  * 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.el.unified;

 import java.util.ArrayList;

 import java.util.List;

 import javax.el.CompositeELResolver;

 import javax.el.ELResolver;

 import org.apache.myfaces.config.RuntimeConfig;

 import org.apache.myfaces.el.FlashELResolver;

 import org.apache.myfaces.el.unified.resolver.FacesCompositeELResolver.Scope;

 import org.apache.myfaces.el.unified.resolver.ManagedBeanResolver;

 import org.apache.myfaces.el.unified.resolver.ResourceBundleResolver;

 import org.apache.myfaces.el.unified.resolver.ResourceResolver;

 import org.apache.myfaces.el.unified.resolver.implicitobject.ImplicitObjectResolver;

 /**

  * build the el resolver for jsp. see 1.2 spec section 5.6.1

  * 

  * @author Mathias Broekelmann (latest modification by $Author$)

  * @version $Revision$ $Date$

  */

 public class ResolverBuilderForJSP extends ResolverBuilderBase implements ELResolverBuilder

 {

     public ResolverBuilderForJSP(RuntimeConfig config)

     {

         super(config);

     }

     public void build(CompositeELResolver compositeElResolver)

     {

         // add the ELResolvers to a List first to be able to sort them

         List<ELResolver> list = new ArrayList<ELResolver>();

         list.add(ImplicitObjectResolver.makeResolverForJSP());

         //Flash object is instanceof Map, so it is necessary to resolve

         //before MapELResolver. Better to put this one before

         list.add(new FlashELResolver());        

         list.add(new ManagedBeanResolver());

         list.add(new ResourceBundleResolver());

         list.add(new ResourceResolver());

         addFromRuntimeConfig(list);

         // give the user a chance to sort the resolvers

         sortELResolvers(list, Scope.JSP);

         // give the user a chance to filter the resolvers

         Iterable<ELResolver> filteredELResolvers = filterELResolvers(list, Scope.JSP);

         // add the resolvers from the list to the CompositeELResolver

         for (ELResolver resolver : filteredELResolvers)

         {

             compositeElResolver.add(resolver);

         }

     }

 }