Examples of org.mortbay.jetty.Request

org.mortbay.jetty.Request
Jetty Request.
Implements {@link javax.servlet.HttpServletRequest} from the {@link javax.servlet} package.

The standard interface of mostly getters, is extended with setters so that the request is mutable by the handlers that it is passed to. This allows the request object to be as lightweight as possible and not actually implement any significant behaviour. For example
- The {@link getContextPath} method will return null, until the requeset has been passed to a {@link ContextHandler} which matches the {@link getPathInfo} with a contextpath and calls {@link setContextPath} as a result.
- the HTTP session methods will all return null sessions until such time as a request has been passed to a {@link org.mortbay.jetty.servlet.SessionHandler} which checks for session cookiesand enables the ability to create new sessions.
- The {@link getServletPath} method will return null until the request has beenpassed to a {@link org.mortbay.jetty.servlet.ServletHandler} and the pathInfo matchedagainst the servlet URL patterns and {@link setServletPath} called as a result.
A request instance is created for each {@link HttpConnection} accepted by the server and recycled for each HTTP request received via that connection. An effort is made to avoid reparsing headers and cookies that are likely to be the same for requests from the same connection. @author gregw

        {
            public void handle( String target, HttpServletRequest servletRequest, HttpServletResponse response,
                                int dispatch ) throws IOException,
                ServletException
            {
                Request request = (Request) servletRequest;
                try
                {
                    Thread.sleep( 2000 );
                }
                catch ( InterruptedException e )
                {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                request.setHandled( true );
            }
        } );
        try
        {
            server.start();

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            public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException
            {
                System.err.println("passed authentication!\n"+((Request)request).getConnection().getRequestFields());
                
                Request base_request = (request instanceof Request)?(Request)request:HttpConnection.getCurrentConnection().getRequest();
                base_request.setHandled(true);
                response.setStatus(200);
                response.setContentType("text/plain");
                if (request.getServerName().equals("jetty.mortbay.org"))
                {
                    response.getOutputStream().println("Proxy request: " + request.getRequestURL());

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    private static class HelloWorldHandler extends AbstractHandler
    {


        public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException       
        {
            Request baseRequest = (Request)request;
            baseRequest.setHandled(true);
            //System.err.println("HELLO WORLD HANDLING");


//            System.err.println("hello "+baseRequest.getUri());
            byte[] b=("HELLO WORLD "+baseRequest.getUri()).getBytes(StringUtil.__UTF8);
            response.setContentLength(b.length);
            response.getOutputStream().write(b);
            response.getOutputStream().flush();
        }

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    public static class HelloHandler extends AbstractHandler
    {
        public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException
        {
            Request base_request = (request instanceof Request) ? (Request)request:HttpConnection.getCurrentConnection().getRequest();
            base_request.setHandled(true);
            
            response.setContentType("text/html");
            response.setStatus(HttpServletResponse.SC_OK);
            response.getWriter().println("<h1>Hello OneHandler</h1>");
        }

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    {
        AtomicInteger count;
        public void handle(String target, HttpServletRequest servletRequest, HttpServletResponse servletResponse, int dispatch) throws IOException, ServletException
        {
            count.incrementAndGet();
            Request request = (Request)servletRequest;
            request.setHandled(true);
            servletResponse.setStatus(HttpServletResponse.SC_OK);
        }

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         {


             public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException
             {
                 System.out.println("passed authentication!");
                 Request base_request=(request instanceof Request)?(Request)request:HttpConnection.getCurrentConnection().getRequest();
                 base_request.setHandled(true);
                 response.setStatus(200);
                 if (request.getServerName().equals("jetty.mortbay.org"))
                 {
                     response.getOutputStream().println("Proxy request: "+request.getRequestURL());
                 }

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    public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch)
    throws IOException, ServletException
    {   
        if (_unavailable)
        {
      Request base_request = request instanceof Request?(Request)request:HttpConnection.getCurrentConnection().getRequest();
      base_request.setHandled(true);
            response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
        }
        else
            super.handle(target, request, response, dispatch);
    }

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     *      javax.servlet.http.HttpServletRequest,
     *      javax.servlet.http.HttpServletResponse, int)
     */
    public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException
    {
        Request base_request=(request instanceof Request)?(Request)request:HttpConnection.getCurrentConnection().getRequest();
        Response base_response=(response instanceof Response)?(Response)response:HttpConnection.getCurrentConnection().getResponse();


        String pathInContext=target;


        String user=null;
        String password=null;
        boolean IPValid=true;


        if (log.isDebugEnabled())
            log.debug("HTAccessHandler pathInContext="+pathInContext,null,null);


        String credentials=request.getHeader(HttpHeaders.AUTHORIZATION);


        if (credentials!=null)
        {
            credentials=credentials.substring(credentials.indexOf(' ')+1);
            credentials=B64Code.decode(credentials,StringUtil.__ISO_8859_1);
            int i=credentials.indexOf(':');
            user=credentials.substring(0,i);
            password=credentials.substring(i+1);


            if (log.isDebugEnabled())
                log.debug("User="+user+", password="+"******************************".substring(0,password.length()),null,null);
        }


        HTAccess ht=null;


        try
        {
            Resource resource=null;
            String directory=pathInContext.endsWith("/")?pathInContext:URIUtil.parentPath(pathInContext);


            // Look for htAccess resource
            while (directory!=null)
            {
                String htPath=directory+_accessFile;
                resource=((ContextHandler)getProtegee()).getResource(htPath);
                if (log.isDebugEnabled())
                    log.debug("directory="+directory+" resource="+resource,null,null);


                if (resource!=null&&resource.exists()&&!resource.isDirectory())
                    break;
                resource=null;
                directory=URIUtil.parentPath(directory);
            }


            boolean haveHtAccess=true;


            // Try default directory
            if (resource==null&&_default!=null)
            {
                resource=Resource.newResource(_default);
                if (!resource.exists()||resource.isDirectory())
                    haveHtAccess=false;
            }
            if (resource==null)
                haveHtAccess=false;


            // prevent access to htaccess files
            if (pathInContext.endsWith(_accessFile)
                // extra security
                ||pathInContext.endsWith(_accessFile+"~")||pathInContext.endsWith(_accessFile+".bak"))
            {
                response.sendError(HttpServletResponse.SC_FORBIDDEN);
                base_request.setHandled(true);
                return;
            }


            if (haveHtAccess)
            {
                if (log.isDebugEnabled())
                    log.debug("HTACCESS="+resource,null,null);


                ht=(HTAccess)_htCache.get(resource);
                if (ht==null||ht.getLastModified()!=resource.lastModified())
                {
                    ht=new HTAccess(resource);
                    _htCache.put(resource,ht);
                    if (log.isDebugEnabled())
                        log.debug("HTCache loaded "+ht,null,null);
                }


                // See if there is a config problem
                if (ht.isForbidden())
                {
                    log.warn("Mis-configured htaccess: "+ht,null,null);
                    response.sendError(HttpServletResponse.SC_FORBIDDEN);
                    base_request.setHandled(true);
                    return;
                }


                // first see if we need to handle based on method type
                Map methods=ht.getMethods();
                if (methods.size()>0&&!methods.containsKey(request.getMethod()))
                {
                    callWrappedHandler(target,request,response,dispatch);
                    return; // Nothing to check
                }


                // Check the accesss
                int satisfy=ht.getSatisfy();


                // second check IP address
                IPValid=ht.checkAccess("",request.getRemoteAddr());
                if (log.isDebugEnabled())
                    log.debug("IPValid = "+IPValid,null,null);


                // If IP is correct and satify is ANY then access is allowed
                if (IPValid==true&&satisfy==HTAccess.ANY)
                {
                    callWrappedHandler(target,request,response,dispatch);
                    return;
                }
                
                // If IP is NOT correct and satify is ALL then access is
                // forbidden
                if (IPValid==false&&satisfy==HTAccess.ALL)
                {
                    response.sendError(HttpServletResponse.SC_FORBIDDEN);
                    base_request.setHandled(true);
                    return;
                }


                // set required page
                if (!ht.checkAuth(user,password,getUserRealm(),base_request))
                {
                    log.debug("Auth Failed",null,null);
                    response.setHeader(HttpHeaders.WWW_AUTHENTICATE,"basic realm="+ht.getName());
                    response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
                    base_response.complete();
                    base_request.setHandled(true);
                    return;
                }


                // set user
                if (user!=null)
                {
                    base_request.setAuthType(Constraint.__BASIC_AUTH);
                    base_request.setUserPrincipal(getPrincipal(user, getUserRealm()));
                }
            }
            
            callWrappedHandler(target,request,response,dispatch);
        }
        catch (Exception ex)
        {
            log.warn("Exception",ex);
            if (ht!=null)
            {
                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
                base_request.setHandled(true);
            }
        }
    }

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    /* 
     * @see org.mortbay.jetty.Handler#handle(java.lang.String, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, int)
     */
    public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch) throws IOException, ServletException 
    {
        Request base_request = (request instanceof Request) ? (Request)request:HttpConnection.getCurrentConnection().getRequest();
        Response base_response = (response instanceof Response) ? (Response)response:HttpConnection.getCurrentConnection().getResponse();
        UserRealm old_realm = base_request.getUserRealm();
        try
        {
            base_request.setUserRealm(getUserRealm());
            if (dispatch==REQUEST && !checkSecurityConstraints(target,base_request,base_response))
            {
                base_request.setHandled(true);
                return;
            }
            
            if (dispatch==FORWARD && _checkWelcomeFiles && request.getAttribute("org.mortbay.jetty.welcome")!=null)
            {
                request.removeAttribute("org.mortbay.jetty.welcome");
                if (!checkSecurityConstraints(target,base_request,base_response))
                {
                    base_request.setHandled(true);
                    return;
                }
            }
                    
                    
            if (_authenticator instanceof FormAuthenticator && target.endsWith(FormAuthenticator.__J_SECURITY_CHECK))
            {
                _authenticator.authenticate(getUserRealm(),target,base_request,base_response);
                base_request.setHandled(true);
                return;
            }
            
            if (getHandler()!=null)
                getHandler().handle(target, request, response, dispatch);
        }
        finally
        {
            if (_userRealm!=null)
            {
                if (dispatch==REQUEST)
                {
                    _userRealm.disassociate(base_request.getUserPrincipal());
                }
            }   
            base_request.setUserRealm(old_realm);
        }
    }

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    {
        if (!isStarted())
            return;


        // Get the base requests
        final Request base_request=(request instanceof Request)?((Request)request):HttpConnection.getCurrentConnection().getRequest();
        final String old_servlet_name=base_request.getServletName();
        final String old_servlet_path=base_request.getServletPath();
        final String old_path_info=base_request.getPathInfo();
        final Map old_role_map=base_request.getRoleMap();
        Object request_listeners=null;
        ServletRequestEvent request_event=null;
        
        try
        {
            ServletHolder servlet_holder=null;
            FilterChain chain=null;
            
            // find the servlet
            if (target.startsWith("/"))
            {
                // Look for the servlet by path
                PathMap.Entry entry=getHolderEntry(target);
                if (entry!=null)
                {
                    servlet_holder=(ServletHolder)entry.getValue();
                    base_request.setServletName(servlet_holder.getName());
                    base_request.setRoleMap(servlet_holder.getRoleMap());
                    if(Log.isDebugEnabled())Log.debug("servlet="+servlet_holder);
                    
                    String servlet_path_spec=(String)entry.getKey(); 
                    String servlet_path=entry.getMapped()!=null?entry.getMapped():PathMap.pathMatch(servlet_path_spec,target);
                    String path_info=PathMap.pathInfo(servlet_path_spec,target);
                    
                    if (type==INCLUDE)
                    {
                        base_request.setAttribute(Dispatcher.__INCLUDE_SERVLET_PATH,servlet_path);
                        base_request.setAttribute(Dispatcher.__INCLUDE_PATH_INFO, path_info);
                    }
                    else
                    {
                        base_request.setServletPath(servlet_path);
                        base_request.setPathInfo(path_info);
                    }
                    
                    if (servlet_holder!=null && _filterMappings!=null && _filterMappings.length>0)
                        chain=getFilterChain(type, target, servlet_holder);
                }      
            }
            else
            {
                // look for a servlet by name!
                servlet_holder=(ServletHolder)_servletNameMap.get(target);
                if (servlet_holder!=null && _filterMappings!=null && _filterMappings.length>0)
                {
                    base_request.setServletName(servlet_holder.getName());
                    chain=getFilterChain(type, null,servlet_holder);
                }
            }


            if (Log.isDebugEnabled()) 
            {
                Log.debug("chain="+chain);
                Log.debug("servlet holder="+servlet_holder);
            }


            // Handle context listeners
            request_listeners = base_request.takeRequestListeners();
            if (request_listeners!=null)
            {
                request_event = new ServletRequestEvent(getServletContext(),request);
                final int s=LazyList.size(request_listeners);
                for(int i=0;i<s;i++)
                {
                    final ServletRequestListener listener = (ServletRequestListener)LazyList.get(request_listeners,i);
                    listener.requestInitialized(request_event);
                }
            }
            
            // Do the filter/handling thang
            if (servlet_holder!=null)
            {
                base_request.setHandled(true);
                if (chain!=null)
                    chain.doFilter(request, response);
                else 
                    servlet_holder.handle(request,response);
            }
            else
                notFound(request, response);
        }
        catch(RetryRequest e)
        {
            base_request.setHandled(false);
            throw e;
        }
        catch(EofException e)
        {
            throw e;
        }
        catch(RuntimeIOException e)
        {
            throw e;
        }
        catch(Exception e)
        {
            if (type!=REQUEST)
            {
                if (e instanceof IOException)
                    throw (IOException)e;
                if (e instanceof RuntimeException)
                    throw (RuntimeException)e;
                if (e instanceof ServletException)
                    throw (ServletException)e;
            }
            
            
            // unwrap cause
            Throwable th=e;
            if (th instanceof UnavailableException)
            {
                Log.debug(th); 
            }
            else if (th instanceof ServletException)
            {
                Log.debug(th);
                Throwable cause=((ServletException)th).getRootCause();
                if (cause!=th && cause!=null)
                    th=cause;
            }
            
            // hnndle or log exception
            if (th instanceof RetryRequest)
            {
                base_request.setHandled(false);
                throw (RetryRequest)th;  
            }
            else if (th instanceof HttpException)
                throw (HttpException)th;
            else if (th instanceof RuntimeIOException)
                throw (RuntimeIOException)th;
            else if (th instanceof EofException)
                throw (EofException)th;
            else if (Log.isDebugEnabled())
            {
                Log.warn(request.getRequestURI(), th); 
                Log.debug(request.toString()); 
            }
            else if (th instanceof IOException || th instanceof UnavailableException)
            {
                Log.warn(request.getRequestURI()+": "+th);
            }
            else
            {
                Log.warn(request.getRequestURI(),th);
            }
            
            // TODO httpResponse.getHttpConnection().forceClose();
            if (!response.isCommitted())
            {
                request.setAttribute(ServletHandler.__J_S_ERROR_EXCEPTION_TYPE,th.getClass());
                request.setAttribute(ServletHandler.__J_S_ERROR_EXCEPTION,th);
                if (th instanceof UnavailableException)
                {
                    UnavailableException ue = (UnavailableException)th;
                    if (ue.isPermanent())
                        response.sendError(HttpServletResponse.SC_NOT_FOUND,th.getMessage());
                    else
                        response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE,th.getMessage());
                }
                else
                    response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,th.getMessage());
            }
            else
                if(Log.isDebugEnabled())Log.debug("Response already committed for handling "+th);
        }
        catch(Error e)
        {   
            if (type!=REQUEST)
                throw e;
            Log.warn("Error for "+request.getRequestURI(),e);
            if(Log.isDebugEnabled())Log.debug(request.toString());
            
            // TODO httpResponse.getHttpConnection().forceClose();
            if (!response.isCommitted())
            {
                request.setAttribute(ServletHandler.__J_S_ERROR_EXCEPTION_TYPE,e.getClass());
                request.setAttribute(ServletHandler.__J_S_ERROR_EXCEPTION,e);
                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR,e.getMessage());
            }
            else
                if(Log.isDebugEnabled())Log.debug("Response already committed for handling ",e);
        }
        finally
        {
            if (request_listeners!=null)
            {
                for(int i=LazyList.size(request_listeners);i-->0;)
                {
                    final ServletRequestListener listener = (ServletRequestListener)LazyList.get(request_listeners,i);
                    listener.requestDestroyed(request_event);
                }
            }
            
            base_request.setServletName(old_servlet_name);
            base_request.setRoleMap(old_role_map);
            if (type!=INCLUDE)
            {
                base_request.setServletPath(old_servlet_path);
                base_request.setPathInfo(old_path_info); 
            }
        }
        return;
    }

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