com.ocpsoft.pretty.faces.application.PrettyViewHandler Maven / Gradle / Ivy

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package com.ocpsoft.pretty.faces.application;

/*
 * PrettyFaces is an OpenSource JSF library to create bookmarkable URLs.
 * 
 * Copyright (C) 2009 - Lincoln Baxter, III 
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any
 * later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see the file COPYING.LESSER or visit the GNU
 * website at .
 */
import java.io.IOException;
import java.util.Locale;

import javax.faces.FacesException;
import javax.faces.application.ViewHandler;
import javax.faces.component.UIViewRoot;
import javax.faces.context.FacesContext;

import com.ocpsoft.pretty.PrettyContext;
import com.ocpsoft.pretty.faces.url.QueryString;
import com.ocpsoft.pretty.faces.url.URL;

public class PrettyViewHandler extends ViewHandler
{
   protected ViewHandler parent;

   public PrettyViewHandler(final ViewHandler viewHandler)
   {
      super();
      parent = viewHandler;
   }

   @Override
   public Locale calculateLocale(final FacesContext facesContext)
   {
      return parent.calculateLocale(facesContext);
   }

   @Override
   public String calculateRenderKitId(final FacesContext facesContext)
   {
      return parent.calculateRenderKitId(facesContext);
   }

   @Override
   public UIViewRoot createView(final FacesContext context, final String arg1)
   {
      return parent.createView(context, arg1);
   }

   @Override
   public String getActionURL(final FacesContext context, final String viewId)
   {
      PrettyContext prettyContext = PrettyContext.getCurrentInstance();
      if (prettyContext.isPrettyRequest() && !prettyContext.isInNavigation() && (viewId != null) && viewId.equals(context.getViewRoot().getViewId()))
      {
         URL url = prettyContext.getRequestURL();
         QueryString query = prettyContext.getRequestQueryString();
         String contextPath = prettyContext.getContextPath();

         String target = context.getExternalContext().encodeActionURL(contextPath + url.getDecodedURL() + query.toQueryString());
         return target;
      }
      else
      {
         return parent.getActionURL(context, viewId);
      }
   }

   @Override
   public String getResourceURL(final FacesContext facesContext, final String arg1)
   {
      return parent.getResourceURL(facesContext, arg1);
   }

   @Override
   public void renderView(final FacesContext facesContext, final UIViewRoot arg1) throws IOException, FacesException
   {
      parent.renderView(facesContext, arg1);
   }

   @Override
   public UIViewRoot restoreView(final FacesContext facesContext, final String arg1)
   {
      return parent.restoreView(facesContext, arg1);
   }

   @Override
   public void writeState(final FacesContext facesContext) throws IOException
   {
      parent.writeState(facesContext);
   }

}