Examples of javax.servlet.FilterChain

javax.servlet.FilterChain
Interface def for chains of filters before invoking the resource. @author Rick Knowles

        };
        // Add some parameters to test passthrough
        String [] fooParams = {"bar"}; 
        request.getParameterMap().put("foo", fooParams);
        ServletResponse response = new MockHttpServletResponse();
        FilterChain chain = new FilterChain() 
        {


            public void doFilter(ServletRequest request, ServletResponse response)
                    throws IOException, ServletException
            {

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    config.setProxyReceptor("/proxy/receptor");
    filter.setConfig(config);
    MockHttpServletRequest request = new MockHttpServletRequest();
    MockHttpServletResponse response = new MockHttpServletResponse();
    request.setRequestURI("/demo/proxy/receptor");
    FilterChain chain = mock(FilterChain.class);
    filter.setProxyGrantingTicketStorage(mock(ProxyGrantingTicketStorage.class));
    filter.doFilterHttp(request, response, chain);
    verifyZeroInteractions(chain);
    request.setRequestURI("/other");
    filter.doFilterHttp(request, response, chain);

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  }


  public void doFilter(ServletRequest request, ServletResponse response)
    throws ServletException, IOException
  {
    FilterChain next = _nextFilterChainMapper.map(_uri,
                                                  _queryString,
                                                  _accept);


    next.doFilter(request, response);
  }

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      DispatchRule rule = _rules[index];
    
      uri = rule.rewriteUri(uri, queryString);


      FilterChain next = mapChain(index + 1, type, uri, queryString, chain);


      return rule.map(type, uri, queryString, next, chain);
    } catch (ServletException e) {
      throw ConfigException.create(e);
    }

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                         String queryString,
                         FilterChain next)
    throws ServletException
  {
    if (_regexp == null || (_regexp.matcher(uri)).find()) {
      FilterChain chain = createFilterChain(uri, queryString, next);


      for (int i = _filters.length - 1; i >= 0; i--) {
        chain = _filters[i].map(uri, queryString, chain);
      }

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    Matcher matcher = null;


    if (_regexp == null || (matcher = _regexp.matcher(uri)).find()) {
      String target = rewriteTarget(matcher, uri, queryString);


      FilterChain chain = createDispatch(type, uri, queryString, target, tail);


      for (int i = _filters.length - 1; i >= 0; i--) {
        chain = _filters[i].map(uri, queryString, chain);
      }

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                               DispatcherType type,
                               String uri, String queryString,
                               FilterChain chain)
    throws ServletException
  {
    FilterChain next = chain;
    
    int size = _ruleList.size();
    
    if (size <= index)
      return next;

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  @Override
  public Invocation buildInvocation(Invocation invocation)
    throws ConfigException
  {
    if (_configException != null) {
      FilterChain chain = new ExceptionFilterChain(_configException);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());


      return invocation;
    }
    else if (! _lifecycle.waitForActive(_startWaitTime)) {
      log.fine(this + " container is not active");
      
      int code = HttpServletResponse.SC_SERVICE_UNAVAILABLE;
      FilterChain chain = new ErrorFilterChain(code);
      invocation.setFilterChain(chain);


      invocation.setWebApp(getErrorWebApp());


      invocation.setDependency(AlwaysModified.create());


      return invocation ;
    }


    FilterChain chain;
    
    WebAppController controller = getWebAppController(invocation);
    
    WebApp webApp = getWebApp(invocation, controller, true);


    boolean isAlwaysModified;


    if (webApp != null) {
      invocation = webApp.buildInvocation(invocation);
      chain = invocation.getFilterChain();
      isAlwaysModified = false;
    }
    else if (controller != null){
      int code = HttpServletResponse.SC_SERVICE_UNAVAILABLE;
      chain = new ErrorFilterChain(code);
      ContextFilterChain contextChain = new ContextFilterChain(chain);
      contextChain.setErrorPageManager(getErrorPageManager());
      chain = contextChain;
      invocation.setFilterChain(contextChain);
      isAlwaysModified = true;
    }
    else {
      int code = HttpServletResponse.SC_NOT_FOUND;
      chain = new ErrorFilterChain(code);
      ContextFilterChain contextChain = new ContextFilterChain(chain);
      contextChain.setErrorPageManager(getErrorPageManager());
      chain = contextChain;
      invocation.setFilterChain(contextChain);
      isAlwaysModified = true;
    }


    if (_rewriteDispatch != null) {
      String uri = invocation.getURI();
      String queryString = invocation.getQueryString();


      FilterChain rewriteChain = _rewriteDispatch.map(DispatcherType.REQUEST,
                                                      uri,
                                                      queryString,
                                                      chain);


      if (rewriteChain != chain) {

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  {
    if (! _lifecycle.waitForActive(_startWaitTime)) {
      UnavailableException e;
      e = new UnavailableException(invocation.getURI());


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());
      return null;
    }


    WebAppController appController = getWebAppController(invocation);


    if (appController == null) {
      String url = invocation.getURI();


      FileNotFoundException e = new FileNotFoundException(url);


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());
      return null;
    }


    WebApp webApp = appController.subrequest();


    if (webApp == null) {
      UnavailableException e;
      e = new UnavailableException(invocation.getURI());


      FilterChain chain = new ExceptionFilterChain(e);
      invocation.setFilterChain(chain);
      invocation.setDependency(AlwaysModified.create());
      return null;
    }

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  public void handleAlarm(Alarm alarm)
  {
    try {
      log.fine(this + " cron");


      FilterChain chain = createServletChain();


      ServletRequest req = new StubServletRequest();
      ServletResponse res = new StubServletResponse();


      chain.doFilter(req, res);
    } catch (Throwable e) {
      log.log(Level.WARNING, e.toString(), e);
    } finally {
      long now = Alarm.getCurrentTime();
      long nextTime = nextTimeout(now);

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