Package io.undertow.servlet.core

Examples of io.undertow.servlet.core.Servlets


     */
    private ServletPathMatchesData setupServletChains() {
        //create the default servlet
        ServletChain defaultHandler = null;
        ServletHandler defaultServlet = null;
        final Servlets servlets = deployment.getServlets();
        final Filters filters = deployment.getFilters();

        final Map<String, ServletHandler> extensionServlets = new HashMap<String, ServletHandler>();
        final Map<String, ServletHandler> pathServlets = new HashMap<String, ServletHandler>();

        final Set<String> pathMatches = new HashSet<String>();
        final Set<String> extensionMatches = new HashSet<String>();

        DeploymentInfo deploymentInfo = deployment.getDeploymentInfo();

        //loop through all filter mappings, and add them to the set of known paths
        for (FilterMappingInfo mapping : deploymentInfo.getFilterMappings()) {
            if (mapping.getMappingType() == FilterMappingInfo.MappingType.URL) {
                String path = mapping.getMapping();
                if (!path.startsWith("*.")) {
                    pathMatches.add(path);
                } else {
                    extensionMatches.add(path.substring(2));
                }
            }
        }

        //now loop through all servlets.
        for (Map.Entry<String, ServletHandler> entry : servlets.getServletHandlers().entrySet()) {
            //add the servlet to the deployment
            final ServletHandler handler = entry.getValue();
            //add the servlet to the approprite path maps
            for (String path : handler.getManagedServlet().getServletInfo().getMappings()) {
                if (path.equals("/")) {
                    //the default servlet
                    pathMatches.add("/*");
                    if (pathServlets.containsKey("/*") || defaultServlet != null) {
                        throw UndertowServletMessages.MESSAGES.twoServletsWithSameMapping(path);
                    }
                    defaultServlet = handler;
                    defaultHandler = servletChain(handler, handler.getManagedServlet(), null);
                } else if (!path.startsWith("*.")) {
                    //either an exact or a /* based path match
                    if(path.isEmpty()) {
                        path = "/";
                    }
                    pathMatches.add(path);
                    if (pathServlets.containsKey(path)) {
                        throw UndertowServletMessages.MESSAGES.twoServletsWithSameMapping(path);
                    }
                    pathServlets.put(path, handler);
                } else {
                    //an extension match based servlet
                    String ext = path.substring(2);
                    extensionMatches.add(ext);
                    extensionServlets.put(ext, handler);
                }
            }
        }
        //we always create a default servlet, even if it is not going to have any path mappings registered
        final DefaultServletConfig config = deploymentInfo.getDefaultServletConfig() == null ? new DefaultServletConfig() : deploymentInfo.getDefaultServletConfig();
        DefaultServlet defaultInstance = new DefaultServlet(deployment, config, deploymentInfo.getWelcomePages());
        final ServletHandler managedDefaultServlet = servlets.addServlet(new ServletInfo(DEFAULT_SERVLET_NAME, DefaultServlet.class, new ImmediateInstanceFactory<Servlet>(defaultInstance)));

        if (defaultServlet == null) {
            //no explicit default servlet was specified, so we register our mapping
            pathMatches.add("/*");
            defaultServlet = managedDefaultServlet;
            defaultHandler = new ServletChain(defaultServlet, managedDefaultServlet.getManagedServlet(), null);
        }

        final ServletPathMatchesData.Builder builder = ServletPathMatchesData.builder();

        //we now loop over every path in the application, and build up the patches based on this path
        //these paths contain both /* and exact matches.
        for (final String path : pathMatches) {
            //resolve the target servlet, will return null if this is the default servlet
            MatchData targetServletMatch = resolveServletForPath(path, pathServlets);

            final Map<DispatcherType, List<ManagedFilter>> noExtension = new HashMap<DispatcherType, List<ManagedFilter>>();
            final Map<String, Map<DispatcherType, List<ManagedFilter>>> extension = new HashMap<String, Map<DispatcherType, List<ManagedFilter>>>();
            //initalize the extension map. This contains all the filers in the noExtension map, plus
            //any filters that match the extension key
            for (String ext : extensionMatches) {
                extension.put(ext, new HashMap<DispatcherType, List<ManagedFilter>>());
            }

            //loop over all the filters, and add them to the appropriate map in the correct order
            for (final FilterMappingInfo filterMapping : deploymentInfo.getFilterMappings()) {
                ManagedFilter filter = filters.getManagedFilter(filterMapping.getFilterName());
                if (filterMapping.getMappingType() == FilterMappingInfo.MappingType.SERVLET) {
                    if (targetServletMatch.handler != null) {
                        if (filterMapping.getMapping().equals(targetServletMatch.handler.getManagedServlet().getServletInfo().getName())) {
                            addToListMap(noExtension, filterMapping.getDispatcher(), filter);
                            for (Map<DispatcherType, List<ManagedFilter>> l : extension.values()) {
                                addToListMap(l, filterMapping.getDispatcher(), filter);
                            }
                        }
                    }
                } else {
                    if (filterMapping.getMapping().isEmpty() || !filterMapping.getMapping().startsWith("*.")) {
                        if (isFilterApplicable(path, filterMapping.getMapping())) {
                            addToListMap(noExtension, filterMapping.getDispatcher(), filter);
                            for (Map<DispatcherType, List<ManagedFilter>> l : extension.values()) {
                                addToListMap(l, filterMapping.getDispatcher(), filter);
                            }
                        }
                    } else {
                        addToListMap(extension.get(filterMapping.getMapping().substring(2)), filterMapping.getDispatcher(), filter);
                    }
                }
            }
            //resolve any matches and add them to the builder
            if (path.endsWith("/*")) {
                String prefix = path.substring(0, path.length() - 2);
                //add the default non-extension match
                builder.addPrefixMatch(prefix, createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, noExtension, targetServletMatch.matchedPath));

                //build up the chain for each non-extension match
                for (Map.Entry<String, Map<DispatcherType, List<ManagedFilter>>> entry : extension.entrySet()) {
                    ServletHandler pathServlet = targetServletMatch.handler;
                    String pathMatch = targetServletMatch.matchedPath;

                    if (pathServlet == null) {
                        pathServlet = extensionServlets.get(entry.getKey());
                    }
                    if (pathServlet == null) {
                        pathServlet = defaultServlet;
                    }
                    HttpHandler handler = pathServlet;
                    if (!entry.getValue().isEmpty()) {
                        handler = new FilterHandler(entry.getValue(), deploymentInfo.isAllowNonStandardWrappers(), handler);
                    }
                    builder.addExtensionMatch(prefix, entry.getKey(), servletChain(handler, pathServlet.getManagedServlet(), pathMatch));
                }
            } else if (path.isEmpty()) {
                //the context root match
                builder.addExactMatch("/", createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, noExtension, targetServletMatch.matchedPath));
            } else {
                //we need to check for an extension match, so paths like /exact.txt will have the correct filter applied
                String lastSegment = path.substring(path.lastIndexOf('/'));
                if (lastSegment.contains(".")) {
                    String ext = lastSegment.substring(lastSegment.lastIndexOf('.') + 1);
                    if (extension.containsKey(ext)) {
                        Map<DispatcherType, List<ManagedFilter>> extMap = extension.get(ext);
                        builder.addExactMatch(path, createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, extMap, targetServletMatch.matchedPath));
                    } else {
                        builder.addExactMatch(path, createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, noExtension, targetServletMatch.matchedPath));
                    }
                } else {
                    builder.addExactMatch(path, createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, noExtension, targetServletMatch.matchedPath));
                }

            }
        }

        //now setup name based mappings
        //these are used for name based dispatch
        for (Map.Entry<String, ServletHandler> entry : servlets.getServletHandlers().entrySet()) {
            final Map<DispatcherType, List<ManagedFilter>> filtersByDispatcher = new HashMap<DispatcherType, List<ManagedFilter>>();
            for (final FilterMappingInfo filterMapping : deploymentInfo.getFilterMappings()) {
                ManagedFilter filter = filters.getManagedFilter(filterMapping.getFilterName());
                if (filterMapping.getMappingType() == FilterMappingInfo.MappingType.SERVLET) {
                    if (filterMapping.getMapping().equals(entry.getKey())) {
View Full Code Here


     */
    private ServletPathMatchesData setupServletChains() {
        //create the default servlet
        ServletChain defaultHandler = null;
        ServletHandler defaultServlet = null;
        final Servlets servlets = deployment.getServlets();
        final Filters filters = deployment.getFilters();

        final Map<String, ServletHandler> extensionServlets = new HashMap<String, ServletHandler>();
        final Map<String, ServletHandler> pathServlets = new HashMap<String, ServletHandler>();

        final Set<String> pathMatches = new HashSet<String>();
        final Set<String> extensionMatches = new HashSet<String>();

        DeploymentInfo deploymentInfo = deployment.getDeploymentInfo();

        //loop through all filter mappings, and add them to the set of known paths
        for (FilterMappingInfo mapping : deploymentInfo.getFilterMappings()) {
            if (mapping.getMappingType() == FilterMappingInfo.MappingType.URL) {
                String path = mapping.getMapping();
                if (!path.startsWith("*.")) {
                    pathMatches.add(path);
                } else {
                    extensionMatches.add(path.substring(2));
                }
            }
        }

        //now loop through all servlets.
        for (Map.Entry<String, ServletHandler> entry : servlets.getServletHandlers().entrySet()) {
            //add the servlet to the deployment
            final ServletHandler handler = entry.getValue();
            //add the servlet to the approprite path maps
            for (String path : handler.getManagedServlet().getServletInfo().getMappings()) {
                if (path.equals("/")) {
                    //the default servlet
                    pathMatches.add("/*");
                    if (pathServlets.containsKey("/*") || defaultServlet != null) {
                        throw UndertowServletMessages.MESSAGES.twoServletsWithSameMapping(path);
                    }
                    defaultServlet = handler;
                    defaultHandler = servletChain(handler, handler.getManagedServlet(), null);
                } else if (!path.startsWith("*.")) {
                    //either an exact or a /* based path match
                    if(path.isEmpty()) {
                        path = "/";
                    }
                    pathMatches.add(path);
                    if (pathServlets.containsKey(path)) {
                        throw UndertowServletMessages.MESSAGES.twoServletsWithSameMapping(path);
                    }
                    pathServlets.put(path, handler);
                } else {
                    //an extension match based servlet
                    String ext = path.substring(2);
                    extensionMatches.add(ext);
                    extensionServlets.put(ext, handler);
                }
            }
        }

        if (defaultServlet == null) {
            //no explicit default servlet was specified, so we create our own
            final DefaultServletConfig config = deploymentInfo.getDefaultServletConfig() == null ? new DefaultServletConfig() : deploymentInfo.getDefaultServletConfig();
            DefaultServlet defaultInstance = new DefaultServlet(deployment, config, deploymentInfo.getWelcomePages());
            final ServletHandler managedDefaultServlet = servlets.addServlet(new ServletInfo(DEFAULT_SERVLET_NAME, DefaultServlet.class, new ImmediateInstanceFactory<Servlet>(defaultInstance)));
            pathMatches.add("/*");
            defaultServlet = managedDefaultServlet;
            defaultHandler = new ServletChain(defaultServlet, managedDefaultServlet.getManagedServlet(), null);
        }

        final ServletPathMatchesData.Builder builder = ServletPathMatchesData.builder();

        //we now loop over every path in the application, and build up the patches based on this path
        //these paths contain both /* and exact matches.
        for (final String path : pathMatches) {
            //resolve the target servlet, will return null if this is the default servlet
            MatchData targetServletMatch = resolveServletForPath(path, pathServlets);

            final Map<DispatcherType, List<ManagedFilter>> noExtension = new HashMap<DispatcherType, List<ManagedFilter>>();
            final Map<String, Map<DispatcherType, List<ManagedFilter>>> extension = new HashMap<String, Map<DispatcherType, List<ManagedFilter>>>();
            //initalize the extension map. This contains all the filers in the noExtension map, plus
            //any filters that match the extension key
            for (String ext : extensionMatches) {
                extension.put(ext, new HashMap<DispatcherType, List<ManagedFilter>>());
            }

            //loop over all the filters, and add them to the appropriate map in the correct order
            for (final FilterMappingInfo filterMapping : deploymentInfo.getFilterMappings()) {
                ManagedFilter filter = filters.getManagedFilter(filterMapping.getFilterName());
                if (filterMapping.getMappingType() == FilterMappingInfo.MappingType.SERVLET) {
                    if (targetServletMatch.handler != null) {
                        if (filterMapping.getMapping().equals(targetServletMatch.handler.getManagedServlet().getServletInfo().getName())) {
                            addToListMap(noExtension, filterMapping.getDispatcher(), filter);
                            for (Map<DispatcherType, List<ManagedFilter>> l : extension.values()) {
                                addToListMap(l, filterMapping.getDispatcher(), filter);
                            }
                        }
                    }
                } else {
                    if (filterMapping.getMapping().isEmpty() || !filterMapping.getMapping().startsWith("*.")) {
                        if (isFilterApplicable(path, filterMapping.getMapping())) {
                            addToListMap(noExtension, filterMapping.getDispatcher(), filter);
                            for (Map<DispatcherType, List<ManagedFilter>> l : extension.values()) {
                                addToListMap(l, filterMapping.getDispatcher(), filter);
                            }
                        }
                    } else {
                        addToListMap(extension.get(filterMapping.getMapping().substring(2)), filterMapping.getDispatcher(), filter);
                    }
                }
            }
            //resolve any matches and add them to the builder
            if (path.endsWith("/*")) {
                String prefix = path.substring(0, path.length() - 2);
                //add the default non-extension match
                builder.addPrefixMatch(prefix, createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, noExtension, targetServletMatch.matchedPath));

                //build up the chain for each non-extension match
                for (Map.Entry<String, Map<DispatcherType, List<ManagedFilter>>> entry : extension.entrySet()) {
                    ServletHandler pathServlet = targetServletMatch.handler;
                    String pathMatch = targetServletMatch.matchedPath;

                    if (pathServlet == null) {
                        pathServlet = extensionServlets.get(entry.getKey());
                    }
                    if (pathServlet == null) {
                        pathServlet = defaultServlet;
                    }
                    HttpHandler handler = pathServlet;
                    if (!entry.getValue().isEmpty()) {
                        handler = new FilterHandler(entry.getValue(), deploymentInfo.isAllowNonStandardWrappers(), handler);
                    }
                    builder.addExtensionMatch(prefix, entry.getKey(), servletChain(handler, pathServlet.getManagedServlet(), pathMatch));
                }
            } else if (path.isEmpty()) {
                //the context root match
                builder.addExactMatch("/", createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, noExtension, targetServletMatch.matchedPath));
            } else {
                //we need to check for an extension match, so paths like /exact.txt will have the correct filter applied
                String lastSegment = path.substring(path.lastIndexOf('/'));
                if (lastSegment.contains(".")) {
                    String ext = lastSegment.substring(lastSegment.lastIndexOf('.') + 1);
                    if (extension.containsKey(ext)) {
                        Map<DispatcherType, List<ManagedFilter>> extMap = extension.get(ext);
                        builder.addExactMatch(path, createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, extMap, targetServletMatch.matchedPath));
                    } else {
                        builder.addExactMatch(path, createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, noExtension, targetServletMatch.matchedPath));
                    }
                } else {
                    builder.addExactMatch(path, createHandler(defaultHandler, defaultServlet, deploymentInfo, targetServletMatch.handler, noExtension, targetServletMatch.matchedPath));
                }

            }
        }

        //now setup name based mappings
        //these are used for name based dispatch
        for (Map.Entry<String, ServletHandler> entry : servlets.getServletHandlers().entrySet()) {
            final Map<DispatcherType, List<ManagedFilter>> filtersByDispatcher = new HashMap<DispatcherType, List<ManagedFilter>>();
            for (final FilterMappingInfo filterMapping : deploymentInfo.getFilterMappings()) {
                ManagedFilter filter = filters.getManagedFilter(filterMapping.getFilterName());
                if (filterMapping.getMappingType() == FilterMappingInfo.MappingType.SERVLET) {
                    if (filterMapping.getMapping().equals(entry.getKey())) {
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