applicationfilterfactory.java

This temp directory is used by the JVM for temporary file storage. The JVM is configured to use thi

        // Acquire the information we will need to match filter mappings
        String servletName = wrapper.getName();

        int n = 0;

        // Add the relevant path-mapped filters to this filter chain
        for (int i = 0; i < filterMaps.length; i++) {
            if (!matchDispatcher(filterMaps[i] ,dispatcher)) {
                continue;
            }
            if (!matchFiltersURL(filterMaps[i], requestPath))
                continue;
            ApplicationFilterConfig filterConfig = (ApplicationFilterConfig)
                context.findFilterConfig(filterMaps[i].getFilterName());
            if (filterConfig == null) {
                ;       // FIXME - log configuration problem
                continue;
            }
            filterChain.addFilter(filterConfig);
            n++;
        }

        // Add filters that match on servlet name second
        for (int i = 0; i < filterMaps.length; i++) {
            if (!matchDispatcher(filterMaps[i] ,dispatcher)) {
                continue;
            }
            if (!matchFiltersServlet(filterMaps[i], servletName))
                continue;
            ApplicationFilterConfig filterConfig = (ApplicationFilterConfig)
                context.findFilterConfig(filterMaps[i].getFilterName());
            if (filterConfig == null) {
                ;       // FIXME - log configuration problem
                continue;
            }
            filterChain.addFilter(filterConfig);
            n++;
        }

        // Return the completed filter chain
        return (filterChain);

    }


    // -------------------------------------------------------- Private Methods


    /**
     * Return <code>true</code> if the context-relative request path
     * matches the requirements of the specified filter mapping;
     * otherwise, return <code>null</code>.
     *
     * @param filterMap Filter mapping being checked
     * @param requestPath Context-relative request path of this request
     */
    private boolean matchFiltersURL(FilterMap filterMap, String requestPath) {

        if (requestPath == null)
            return (false);

        // Match on context relative request path
        String testPath = filterMap.getURLPattern();
        if (testPath == null)
            return (false);

        // Case 1 - Exact Match
        if (testPath.equals(requestPath))
            return (true);

        // Case 2 - Path Match ("/.../*")
        if (testPath.equals("/*"))
            return (true);
        if (testPath.endsWith("/*")) {
            if (testPath.regionMatches(0, requestPath, 0, 
                                       testPath.length() - 2)) {
                if (requestPath.length() == (testPath.length() - 2)) {
                    return (true);
                } else if ('/' == requestPath.charAt(testPath.length() - 2)) {
                    return (true);
                }
            }
            return (false);
        }

        // Case 3 - Extension Match
        if (testPath.startsWith("*.")) {
            int slash = requestPath.lastIndexOf('/');
            int period = requestPath.lastIndexOf('.');
            if ((slash >= 0) && (period > slash) 
                && (period != requestPath.length() - 1)
                && ((requestPath.length() - period) 
                    == (testPath.length() - 1))) {
                return (testPath.regionMatches(2, requestPath, period + 1,
                                               testPath.length() - 2));
            }
        }

        // Case 4 - "Default" Match
        return (false); // NOTE - Not relevant for selecting filters

    }


    /**
     * Return <code>true</code> if the specified servlet name matches
     * the requirements of the specified filter mapping; otherwise
     * return <code>false</code>.
     *
     * @param filterMap Filter mapping being checked
     * @param servletName Servlet name being checked
     */
    private boolean matchFiltersServlet(FilterMap filterMap, 
                                        String servletName) {

        if (servletName == null) {
            return (false);
        } else {
            if (servletName.equals(filterMap.getServletName())) {
                return (true);
            } else {
                return false;
            }
        }

    }


    /**
     * Convienience method which returns true if  the dispatcher type
     * matches the dispatcher types specified in the FilterMap
     */
    private boolean matchDispatcher(FilterMap filterMap, int dispatcher) {
        switch (dispatcher) {
            case FORWARD : {
                if (filterMap.getDispatcherMapping() == FilterMap.FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.FORWARD_ERROR ||
                    filterMap.getDispatcherMapping() == FilterMap.INCLUDE_FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.INCLUDE_ERROR_FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_FORWARD_INCLUDE ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_FORWARD_INCLUDE) {
                        return true;
                }
                break;
            }
            case INCLUDE : {
                if (filterMap.getDispatcherMapping() == FilterMap.INCLUDE ||
                    filterMap.getDispatcherMapping() == FilterMap.INCLUDE_ERROR ||
                    filterMap.getDispatcherMapping() == FilterMap.INCLUDE_FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.INCLUDE_ERROR_FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_INCLUDE ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_INCLUDE ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_FORWARD_INCLUDE ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_FORWARD_INCLUDE) {
                        return true;
                }
                break;
            }
            case REQUEST : {
                if (filterMap.getDispatcherMapping() == FilterMap.REQUEST ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_INCLUDE ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_INCLUDE ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_FORWARD_INCLUDE ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_FORWARD_INCLUDE) {
                        return true;
                }
                break;
            }
            case ERROR : {
                if (filterMap.getDispatcherMapping() == FilterMap.ERROR ||
                    filterMap.getDispatcherMapping() == FilterMap.FORWARD_ERROR || 
                    filterMap.getDispatcherMapping() == FilterMap.INCLUDE_ERROR || 
                    filterMap.getDispatcherMapping() == FilterMap.INCLUDE_ERROR_FORWARD || 
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_FORWARD ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_FORWARD_INCLUDE ||
                    filterMap.getDispatcherMapping() == FilterMap.REQUEST_ERROR_INCLUDE) {
                        return true;
                }
                break;
            }
        }
        return false;
    }


}