Examples of javax.servlet.Filter

javax.servlet.Filter
Interface definition for filter objects @author Rick Knowles

    this.filters = filters;
  }


  public void doFilter(ServletRequest request, ServletResponse response) throws IOException, ServletException {
    if (current < filters.length && !response.isCommitted()) {
      Filter filter = filters[current++];
      LOG.info("doFilter() on " + filter);
      filter.doFilter(request, response, this);
    }
  }

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            this.filter = null;


        } else {


            // Allocate a new filter instance
            Filter filter = getFilter();


        }


    }

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        expect(request.getCharacterEncoding()).andStubReturn(null);


        expect(patternMatcher.matches(chainOne, "/mychain")).andReturn(false);
        expect(patternMatcher.matches(chainTwo, "/mychain")).andReturn(true);


        Filter filter2a = ctrl.createMock(Filter.class);
        Filter filter2b = ctrl.createMock(Filter.class);


        expect((Filter)injector.getInstance(key2a)).andReturn(filter2a);
        filter2a.doFilter(same(request), same(response), anyObject(FilterChain.class));
        expect((Filter)injector.getInstance(key2b)).andReturn(filter2b);
        filter2b.doFilter(same(request), same(response), anyObject(FilterChain.class));
        originalChain.doFilter(request, response);


        ctrl.replay();


        SimpleFilterChainResolver underTest = new SimpleFilterChainResolver(chainMap, injector, patternMatcher);

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            for (Filter f : _filters) {
                f.destroy();
            }
            _filters.clear();
            for (IFilterFactory f : _registeredFilters) {
                Filter filter = f.createFilter();
                ConfigurableFilterConfig config = new ConfigurableFilterConfig(_filterConfig);
                f.configureFilterConfig(config);
                filter.init(config);
                _filters.add(filter);
            }
        }
        new FilterChainImpl(_filters, chain).doFilter(request, response);
        if (!response.isCommitted()) {

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    public void destroyInstance (Object o)
    throws Exception
    {
        if (o==null)
            return;
        Filter f = (Filter)o;
        f.destroy();
        getServletHandler().customizeFilterDestroy(f);
    }

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      throw config.getInitException();
    */


    synchronized (config) {
      try {
        Filter filter = _instances.get(filterName);


        if (filter != null)
          return filter;


        InjectManager beanManager = InjectManager.create();


        _bean = beanManager.createInjectionTarget(filterClass);


        filter = config.getFilter();


        CreationalContext env = beanManager.createCreationalContext(null);
        if (filter == null)
          filter = (Filter) _bean.produce(env);


        _bean.inject(filter, env);


        // InjectIntrospector.configure(filter);


        // Initialize bean properties
        ContainerProgram init = config.getInit();


        if (init != null)
          init.configure(filter);


        _bean.postConstruct(filter);


        filter.init(config);


        _instances.put(filterName, filter);


        /*
        // If the filter has an MBean, register it

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        }
      }
    }


    for (int i = 0; i < filterList.size(); i++) {
      Filter filter = filterList.get(i);


      try {
        if (_bean != null)
          _bean.preDestroy(filter);


        filter.destroy();
      } catch (Throwable e) {
        log.log(Level.WARNING, e.toString(), e);
      }
    }
  }

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            this.filter = null;


        } else {


            // Allocate a new filter instance
            Filter filter = getFilter();


        }


    }

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        throws IOException, ServletException {


        // Call the next filter if there is one
        if (pos < n) {
            ApplicationFilterConfig filterConfig = filters[pos++];
            Filter filter = null;
            try {
                filter = filterConfig.getFilter();
                support.fireInstanceEvent(InstanceEvent.BEFORE_FILTER_EVENT,
                                          filter, request, response);
                
                if (request.isAsyncSupported() && "false".equalsIgnoreCase(
                        filterConfig.getFilterDef().getAsyncSupported())) {
                    request.setAttribute(Globals.ASYNC_SUPPORTED_ATTR,
                            Boolean.FALSE);
                }
                if( Globals.IS_SECURITY_ENABLED ) {
                    final ServletRequest req = request;
                    final ServletResponse res = response;
                    Principal principal = 
                        ((HttpServletRequest) req).getUserPrincipal();


                    Object[] args = new Object[]{req, res, this};
                    SecurityUtil.doAsPrivilege
                        ("doFilter", filter, classType, args, principal);
                    
                    args = null;
                } else {  
                    filter.doFilter(request, response, this);
                }


                support.fireInstanceEvent(InstanceEvent.AFTER_FILTER_EVENT,
                                          filter, request, response);
            } catch (IOException e) {

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            // pass to next filter
            if (_filterHolder!=null)
            {
                if (Log.isDebugEnabled())
                    Log.debug("call filter " + _filterHolder);
                Filter filter= _filterHolder.getFilter();
                filter.doFilter(request, response, _next);
                return;
            }


            // Call servlet
            if (_servletHolder != null)

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