/*

  * 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 javax.faces.context;

 import java.util.Iterator;

 import javax.faces.application.FacesMessage;

 import javax.faces.component.UIViewRoot;

 import javax.faces.render.RenderKit;

 /**

  * @author shot

  */

 public abstract class FacesContext {

     private static ThreadLocal threadLocal = new ThreadLocal();

     public abstract javax.faces.application.Application getApplication();

     public abstract Iterator getClientIdsWithMessages();

     public abstract ExternalContext getExternalContext();

     public abstract FacesMessage.Severity getMaximumSeverity();

     public abstract Iterator getMessages();

     public abstract Iterator getMessages(String clientId);

     public abstract RenderKit getRenderKit();

     public abstract boolean getRenderResponse();

     public abstract boolean getResponseComplete();

     public abstract ResponseStream getResponseStream();

     public abstract void setResponseStream(ResponseStream responseStream);

     public abstract ResponseWriter getResponseWriter();

     public abstract void setResponseWriter(

             javax.faces.context.ResponseWriter responseWriter);

     public abstract UIViewRoot getViewRoot();

     public abstract void setViewRoot(UIViewRoot root);

     public abstract void addMessage(String clientId,

             javax.faces.application.FacesMessage message);

     public abstract void release();

     public abstract void renderResponse();

     public abstract void responseComplete();

     public static FacesContext getCurrentInstance() {

         return (FacesContext) threadLocal.get();

     }

     protected static void setCurrentInstance(

             javax.faces.context.FacesContext context) {

         threadLocal.set(context);

     }

 }