/*

  * Copyright 2004-2011 the Seasar Foundation and the Others.

  *

  * Licensed 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.seasar.teeda.core.el;

 import java.util.HashMap;

 import java.util.Map;

 import javax.faces.context.FacesContext;

 import javax.faces.el.EvaluationException;

 import javax.faces.el.VariableResolver;

 import org.seasar.framework.container.S2Container;

 import org.seasar.teeda.core.JsfConstants;

 import org.seasar.teeda.core.el.impl.ApplicationScopeResolver;

 import org.seasar.teeda.core.el.impl.CookieResolver;

 import org.seasar.teeda.core.el.impl.FacesContextResolver;

 import org.seasar.teeda.core.el.impl.HeaderResolver;

 import org.seasar.teeda.core.el.impl.HeaderValuesResolver;

 import org.seasar.teeda.core.el.impl.InitParamResolver;

 import org.seasar.teeda.core.el.impl.ParamResolver;

 import org.seasar.teeda.core.el.impl.ParamValuesResolver;

 import org.seasar.teeda.core.el.impl.RequestScopeResolver;

 import org.seasar.teeda.core.el.impl.SessionScopeResolver;

 import org.seasar.teeda.core.el.impl.ViewResolver;

 import org.seasar.teeda.core.util.BindingUtil;

 /**

  * @author higa

  *

  */

 public class TeedaVariableResolver extends VariableResolver {

     private static Map facesResolvers = new HashMap();

     static {

         facesResolvers.put(JsfConstants.APPLICATION_SCOPE,

                 new ApplicationScopeResolver());

         facesResolvers.put(JsfConstants.COOKIE, new CookieResolver());

         facesResolvers.put(JsfConstants.FACES_CONTEXT,

                 new FacesContextResolver());

         facesResolvers.put(JsfConstants.HEADER, new HeaderResolver());

         facesResolvers.put(JsfConstants.HEADER_VALUES,

                 new HeaderValuesResolver());

         facesResolvers.put(JsfConstants.INIT_PARAM, new InitParamResolver());

         facesResolvers.put(JsfConstants.PARAM, new ParamResolver());

         facesResolvers

                 .put(JsfConstants.PARAM_VALUES, new ParamValuesResolver());

         facesResolvers.put(JsfConstants.REQUEST_SCOPE,

                 new RequestScopeResolver());

         facesResolvers.put(JsfConstants.SESSION_SCOPE,

                 new SessionScopeResolver());

         facesResolvers.put(JsfConstants.VIEW, new ViewResolver());

     }

     private S2Container container;

     public TeedaVariableResolver() {

     }

     /**

      * @see javax.faces.el.VariableResolver#resolveVariable(javax.faces.context.FacesContext,

      *      java.lang.String)

      */

     public Object resolveVariable(FacesContext context, String name)

             throws EvaluationException {

         FacesResolver resolver = (FacesResolver) facesResolvers.get(name);

         if (resolver != null) {

             return resolver.resolveVariable(context);

         }

         return BindingUtil.getValue(container, name);

     }

     public void setContainer(S2Container container) {

         this.container = container;

         if (container != null) {

             this.container = container.getRoot();

         }

     }

 }