/* ======================================================================
The Bodington System Software License, Version 1.0
  
Copyright (c) 2001 The University of Leeds.  All rights reserved.
  
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

1.  Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

2.  Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.

3.  The end-user documentation included with the redistribution, if any,
must include the following acknowledgement:  "This product includes
software developed by the University of Leeds
(http://www.bodington.org/)."  Alternately, this acknowledgement may
appear in the software itself, if and wherever such third-party
acknowledgements normally appear.

4.  The names "Bodington", "Nathan Bodington", "Bodington System",
"Bodington Open Source Project", and "The University of Leeds" must not be
used to endorse or promote products derived from this software without
prior written permission. For written permission, please contact
d.gardner@leeds.ac.uk.

5.  The name "Bodington" may not appear in the name of products derived
from this software without prior written permission of the University of
Leeds.

THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO,  TITLE,  THE IMPLIED WARRANTIES 
OF QUALITY  AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO 
EVENT SHALL THE UNIVERSITY OF LEEDS OR ITS CONTRIBUTORS BE LIABLE FOR 
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
POSSIBILITY OF SUCH DAMAGE.
=========================================================

This software was originally created by the University of Leeds and may contain voluntary 
contributions from others.  For more information on the Bodington Open Source Project, please 
see http://bodington.org/

====================================================================== */

package org.bodington.servlet;

import org.apache.log4j.Logger;

import java.util.*;
import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;

import javax.servlet.*;
import javax.servlet.http.*;

import org.bodington.database.PrimaryKey;
import org.bodington.server.realm.*;
import org.bodington.server.BuildingContext;

public class BuildingServletContext implements ServletContext
	{
    private static Logger log = Logger.getLogger(BuildingServletContext.class);
    
	private ServletContext context;
	
	private String url_character_encoding, container_url_character_encoding; 
	private boolean container_url_plus=true;
	private	boolean container_url_percent=true;

	private PrimaryKey anonuser_id = null;
	private User anonuser = null;
	
	public BuildingServletContext( ServletContext c )
		 throws ServletException
		{
		context=c;

		url_character_encoding=BuildingContext.getProperty( "webpublish.url.charencoding", "bodington_underscore" );
		container_url_character_encoding=BuildingContext.getProperty( "container.extrapathencoded.encoding", "UTF-8" );

		
		String plus = BuildingContext.getProperty( "container.extrapathencoded.plus" );
		if ( plus != null && plus.equalsIgnoreCase( "false" ) )
		    container_url_plus = false;
		else
		    container_url_plus = true;
		
		String percent = BuildingContext.getProperty( "container.extrapathencoded.percent" );
		if ( percent != null && percent.equalsIgnoreCase( "false" ) )
		    container_url_percent = false;
		else
		    container_url_percent = true;
		
		
		try
		{
		    Group anon_group = Group.findGroup( "name = 'anonymous'" );
		    Enumeration enumeration = User.findUserPrimaryKeys( anon_group.whereMembers(), "name" );
		    if ( enumeration.hasMoreElements() )
		    {
			anonuser_id = (PrimaryKey)enumeration.nextElement();
			anonuser = User.findUser( anonuser_id );
		    }
		}
		catch ( Exception e )
		{
		    anonuser_id=null;
		    log.error( e.getMessage(), e );
		    throw new ServletException( "Unable to initialise servlet - can't find the anonymous user record." );
		}
		
		log.debug( "Servlet configuration." );
		}

		
	public PrimaryKey getAnonymousUserId()
	{
	    return anonuser_id;
	}
		
	public User getAnonymousUser()
	{
	    return anonuser;
	}
		
	public boolean isContainerEncodingPlus()
	{
	    return container_url_plus;
	}
		
	public boolean isContainerEncodingPercent()
	{
	    return container_url_percent;
	}
		
	public String getUrlCharacterEncoding()
	    {
	    return url_character_encoding;
	    }
	public String getContainerUrlCharacterEncoding()
	    {
	    return container_url_character_encoding;
	    }

    public ServletContext getContext(String name)
    {
        return context.getContext(name);
    }

    public int getMajorVersion()
    {
        return context.getMajorVersion();
    }

    public int getMinorVersion()
    {
        return context.getMinorVersion();
    }

    public String getMimeType(String type)
    {
        return context.getMimeType(type);
    }

    public Set getResourcePaths(String paths)
    {
        return context.getResourcePaths(paths);
    }

    public URL getResource(String url) throws MalformedURLException
    {
        return context.getResource(url);
    }

    public InputStream getResourceAsStream(String url)
    {
        return context.getResourceAsStream(url);
    }

    public RequestDispatcher getRequestDispatcher(String url)
    {
        return context.getRequestDispatcher(url);
    }

    public RequestDispatcher getNamedDispatcher(String url)
    {
        return context.getNamedDispatcher(url);
    }

    public Servlet getServlet(String url) throws ServletException
    {
        return context.getServlet(url);
    }

    public Enumeration getServlets()
    {
        return context.getServlets();
    }

    public Enumeration getServletNames()
    {
        return context.getServletNames();
    }

    public void log(String message)
    {
        context.log(message);
    }

    public void log(Exception exception, String message)
    {
        context.log(exception, message);
    }

    public void log(String message, Throwable throwable)
    {
        context.log(message, throwable);
    }

    public String getRealPath(String url)
    {
        return context.getRealPath(url);
    }

    public String getServerInfo()
    {
        return context.getServerInfo();
    }

    public String getInitParameter(String parameter)
    {
        return context.getInitParameter(parameter);
    }

    public Enumeration getInitParameterNames()
    {
        return context.getInitParameterNames();
    }

    public Object getAttribute(String attribute)
    {
        return context.getAttribute(attribute);
    }

    public Enumeration getAttributeNames()
    {
        return context.getAttributeNames();
    }

    public void setAttribute(String attribute, Object value)
    {
        context.setAttribute(attribute, value);
    }

    public void removeAttribute(String attribute)
    {
        context.removeAttribute(attribute);
    }

    public String getServletContextName()
    {
        return context.getServletContextName();
    }
	    
	    
	}