/*

  * 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.application;

 import java.io.IOException;

 import java.util.Locale;

 import javax.faces.FacesException;

 import javax.faces.component.UIViewRoot;

 import javax.faces.context.FacesContext;

 /**

  * @author shot

  */

 public abstract class ViewHandler {

     public static final String CHARACTER_ENCODING_KEY = "javax.faces.request.charset";

     public static final String DEFAULT_SUFFIX = ".jsp";

     public static final String DEFAULT_SUFFIX_PARAM_NAME = "javax.faces.DEFAULT_SUFFIX";

     public abstract Locale calculateLocale(FacesContext context);

     public abstract String calculateRenderKitId(FacesContext context);

     public abstract UIViewRoot createView(FacesContext context, String viewId);

     public abstract String getActionURL(FacesContext context, String viewId);

     public abstract String getResourceURL(FacesContext context, String path);

     public abstract void renderView(FacesContext context, UIViewRoot viewRoot)

             throws IOException, FacesException;

     public abstract UIViewRoot restoreView(FacesContext context, String viewId);

     public abstract void writeState(FacesContext context) throws IOException;

 }