request.java

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     */
    public Enumeration getParameterNames()
    {
        if (!_paramsExtracted) 
            extractParameters();
        return Collections.enumeration(_parameters.keySet());
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getParameterValues(java.lang.String)
     */
    public String[] getParameterValues(String name)
    {
        if (!_paramsExtracted) 
            extractParameters();
        List vals = _parameters.getValues(name);
        if (vals==null)
            return null;
        return (String[])vals.toArray(new String[vals.size()]);
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getPathInfo()
     */
    public String getPathInfo()
    {
        return _pathInfo;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getPathTranslated()
     */
    public String getPathTranslated()
    {
        if (_pathInfo==null || _context==null)
            return null;
        return _context.getRealPath(_pathInfo);
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getProtocol()
     */
    public String getProtocol()
    {
        return _protocol;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getReader()
     */
    public BufferedReader getReader() throws IOException
    {
        if (_inputState!=__NONE && _inputState!=__READER)
            throw new IllegalStateException("STREAMED");

        if (_inputState==__READER)
            return _reader;
        
        String encoding=getCharacterEncoding();
        if (encoding==null)
            encoding=StringUtil.__ISO_8859_1;
        
        if (_reader==null || !encoding.equalsIgnoreCase(_readerEncoding))
        {
            final ServletInputStream in = getInputStream();
            _readerEncoding=encoding;
            _reader=new BufferedReader(new InputStreamReader(in,encoding))
            {
                public void close() throws IOException
                {
                    in.close();
                }   
            };
        }
        _inputState=__READER;
        return _reader;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getRealPath(java.lang.String)
     */
    public String getRealPath(String path)
    {
        if (_context==null)
            return null;
        return _context.getRealPath(path);
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getRemoteAddr()
     */
    public String getRemoteAddr()
    {
        if (_remoteAddr != null)
            return _remoteAddr;	
        return _endp==null?null:_endp.getRemoteAddr();
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getRemoteHost()
     */
    public String getRemoteHost()
    {
        if (_dns)
        {
            if (_remoteHost != null)
            {
                return _remoteHost;
            }
            return _endp==null?null:_endp.getRemoteHost();
        }
        return getRemoteAddr();
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getRemotePort()
     */
    public int getRemotePort()
    {
        return _endp==null?0:_endp.getRemotePort();
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getRemoteUser()
     */
    public String getRemoteUser()
    {
        Principal p = getUserPrincipal();
        if (p==null)
            return null;
        return p.getName();
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getRequestDispatcher(java.lang.String)
     */
    public RequestDispatcher getRequestDispatcher(String path)
    {
        if (path == null || _context==null)
            return null;

        // handle relative path
        if (!path.startsWith("/"))
        {
            String relTo=URIUtil.addPaths(_servletPath,_pathInfo);
            int slash=relTo.lastIndexOf("/");
            if (slash>1)
                relTo=relTo.substring(0,slash+1);
            else
                relTo="/";
            path=URIUtil.addPaths(relTo,path);
        }
    
        return _context.getRequestDispatcher(path);
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getRequestedSessionId()
     */
    public String getRequestedSessionId()
    {
        return _requestedSessionId;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getRequestURI()
     */
    public String getRequestURI()
    {
        if (_requestURI==null && _uri!=null)
            _requestURI=_uri.getPathAndParam();
        return _requestURI;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getRequestURL()
     */
    public StringBuffer getRequestURL()
    {
        StringBuffer url = new StringBuffer(48);
        synchronized (url)
        {
            String scheme = getScheme();
            int port = getServerPort();

            url.append(scheme);
            url.append("://");
            url.append(getServerName());
            if (_port>0 && 
                ((scheme.equalsIgnoreCase(URIUtil.HTTP) && port != 80) || 
                 (scheme.equalsIgnoreCase(URIUtil.HTTPS) && port != 443)))
            {
                url.append(':');
                url.append(_port);
            }
            
            url.append(getRequestURI());
            return url;
        }
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getScheme()
     */
    public String getScheme()
    {
        return _scheme;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getServerName()
     */
    public String getServerName()
    {       
        // Return already determined host
        if (_serverName != null) 
            return _serverName;

        // Return host from absolute URI
        _serverName = _uri.getHost();
        _port = _uri.getPort();
        if (_serverName != null) 
            return _serverName;

        // Return host from header field
        Buffer hostPort = _connection.getRequestFields().get(HttpHeaders.HOST_BUFFER);
        if (hostPort!=null)
        {
            for (int i=hostPort.length();i-->0;)   
            {
                if (hostPort.peek(hostPort.getIndex()+i)==':')
                {
                    _serverName=BufferUtil.to8859_1_String(hostPort.peek(hostPort.getIndex(), i));
                    _port=BufferUtil.toInt(hostPort.peek(hostPort.getIndex()+i+1, hostPort.length()-i-1));
                    return _serverName;
                }
            }
            if (_serverName==null || _port<0)
            {
                _serverName=BufferUtil.to8859_1_String(hostPort);
                _port = 0;
            }
            
            return _serverName;
        }

        // Return host from connection
        if (_connection != null)
        {
            _serverName = getLocalName();
            _port = getLocalPort();
            if (_serverName != null && !Portable.ALL_INTERFACES.equals(_serverName)) 
                return _serverName;
        }

        // Return the local host
        try
        {
            _serverName = InetAddress.getLocalHost().getHostAddress();
        }
        catch (java.net.UnknownHostException e)
        {
            Log.ignore(e);
        }
        return _serverName;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.ServletRequest#getServerPort()
     */
    public int getServerPort()
    {
        if (_port<=0)
        {
            if (_serverName==null)
                getServerName();
        
            if (_port<=0)
            {
                if (_serverName!=null && _uri!=null)
                    _port = _uri.getPort();
                else
                    _port = _endp==null?0:_endp.getLocalPort();
            }
        }
        
        if (_port<=0)
        {
            if (getScheme().equalsIgnoreCase(URIUtil.HTTPS))
                return 443;
            return 80;
        }
        return _port;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getServletPath()
     */
    public String getServletPath()
    {
        if (_servletPath==null)
            _servletPath="";
        return _servletPath;
    }
    
    /* ------------------------------------------------------------ */
    /* 
     */
    public String getServletName()
    {
        return _servletName;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getSession()
     */
    public HttpSession getSession()
    {
        return getSession(true);
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getSession(boolean)
     */
    public HttpSession getSession(boolean create)
    {
        if (_sessionManager==null && create)
            throw new IllegalStateException("No SessionHandler or SessionManager");
        
        if (_session != null && _sessionManager!=null && _sessionManager.isValid(_session))
            return _session;
        
        _session=null;
        
        String id=getRequestedSessionId();
        
        if (id != null && _sessionManager!=null)
        {
            _session=_sessionManager.getHttpSession(id);
            if (_session == null && !create)
                return null;
        }
        
        if (_session == null && _sessionManager!=null && create )
        {
            _session=_sessionManager.newHttpSession(this);
            Cookie cookie=_sessionManager.getSessionCookie(_session,getContextPath(),isSecure());
            if (cookie!=null)
                _connection.getResponse().addCookie(cookie);
        }
        
        return _session;
    }

    /* ------------------------------------------------------------ */
    /* 
     * @see javax.servlet.http.HttpServletRequest#getUserPrincipal()
     */
    public Principal getUserPrincipal()
    {
        if (_userPrincipal != null && _userPrincipal instanceof SecurityHandler.NotChecked)
        {
            SecurityHandler.NotChecked not_checked=(SecurityHandler.NotChecked)_userPrincipal;
            _userPrincipal = SecurityHandler.__NO_USER;
            
            Authenticator auth=not_checked.getSecurityHandler().getAuthenticator();
            UserRealm realm=not_checked.getSecurityHandler().getUserRealm();
            String pathInContext=getPathInfo()==null?getServletPath():(getServletPath()+getPathInfo());
            
            if (realm != null && auth != null)
            {
                try
                {
                    auth.authenticate(realm, pathInContext, this, null);
                }
                catch (Exception e)