Examples of org.eclipse.jetty.servlet.ServletContextHandler$Context

org.eclipse.jetty.servlet.ServletContextHandler
Servlet Context. This extension to the ContextHandler allows for simple construction of a context with ServletHandler and optionally session and security handlers, et.
```
 new ServletContext("/context",Context.SESSIONS|Context.NO_SECURITY); 
```
This class should have been called ServletContext, but this would have cause confusion with {@link ServletContext}.

     * </ul>
     */
    public static void execute(final String uri, final Evaluator evaluator) {
        try {
            String documentURI = getCanonicalURI(uri);
            Context rootCtx = evaluator.newContext(null);
            Tracer trc = new Tracer();
            SCXML doc = SCXMLReader.read(new URL(documentURI));
            if (doc == null) {
                System.err.println("The SCXML document " + uri
                        + " can not be parsed!");
                System.exit(-1);
            }
            System.out.println(SCXMLWriter.write(doc));
            SCXMLExecutor exec = new SCXMLExecutor(evaluator, null, trc);
            EventDispatcher ed = new SimpleScheduler(exec);
            exec.setEventdispatcher(ed);
            exec.setStateMachine(doc);
            exec.addListener(doc, trc);
            exec.registerInvokerClass("scxml", SimpleSCXMLInvoker.class);
            exec.setRootContext(rootCtx);
            exec.go();
            BufferedReader br = new BufferedReader(new
                InputStreamReader(System.in));
            String event;
            while ((event = br.readLine()) != null) {
                event = event.trim();
                if (event.equalsIgnoreCase("help") || event.equals("?")) {
                    System.out.println("Enter a space-separated list of "
                        + "events");
                    System.out.println("To populate a variable in the "
                        + "current context, type \"name=value\"");
                    System.out.println("To quit, enter \"quit\"");
                    System.out.println("To reset state machine, enter "
                        + "\"reset\"");
                } else if (event.equalsIgnoreCase("quit")) {
                    break;
                } else if (event.equalsIgnoreCase("reset")) {
                    exec.reset();
                } else if (event.indexOf('=') != -1) {
                    int marker = event.indexOf('=');
                    String name = event.substring(0, marker);
                    String value = event.substring(marker + 1);
                    rootCtx.setLocal(name, value);
                    System.out.println("Set variable " + name + " to "
                        + value);
                } else if (event == null || event.trim().length() == 0
                           || event.equalsIgnoreCase("null")) {
                    TriggerEvent[] evts = {new TriggerEvent(null,

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        else if (!transition.isNoEventsTransition()) {
            return false;
        }
        if (transition.getCond() != null) {
            Boolean result = Boolean.FALSE;
            Context context = exctx.getScInstance().getContext(transition.getParent());
            context.setLocal(Context.NAMESPACES_KEY, transition.getNamespaces());
            try {
                if ((result = exctx.getEvaluator().evalCond(context, transition.getCond())) == null) {
                    result = Boolean.FALSE;
                    if (exctx.getAppLog().isDebugEnabled()) {
                        exctx.getAppLog().debug("Treating as false because the cond expression was evaluated as null: '"
                                + transition.getCond() + "'");
                    }
                }
            }
            catch (SCXMLExpressionException e) {
                exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, "Treating as false due to error: "
                        + e.getMessage(), transition);
            }
            finally {
                context.setLocal(Context.NAMESPACES_KEY, null);
            }
            return result;
        }
        return true;
    }

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     * @param scInstance the state machine instance holding the system context
     * @param event The event being stored
     * @param internal Flag indicating the event was received internally or externally
     */
    public void setSystemEventVariable(final SCInstance scInstance, final TriggerEvent event, boolean internal) {
        Context systemContext = scInstance.getSystemContext();
        EventVariable eventVar = null;
        if (event != null) {
            String eventType = internal ? EventVariable.TYPE_INTERNAL : EventVariable.TYPE_EXTERNAL;


            final int triggerEventType = event.getType();
            if (triggerEventType == TriggerEvent.ERROR_EVENT || triggerEventType == TriggerEvent.CHANGE_EVENT) {
                eventType = EventVariable.TYPE_PLATFORM;
            }


            // TODO: determine sendid, origin, originType and invokeid based on context later.
            eventVar = new EventVariable(event.getName(), eventType, null, null, null, null, event.getPayload());
        }
        systemContext.setLocal(SCXMLSystemContext.EVENT_KEY, eventVar);
    }

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        Evaluator eval = exctx.getEvaluator();
        for (TransitionalState ts : statesToInvoke) {
            if (ts.getInvokes().isEmpty()) {
                continue;
            }
            Context context = scInstance.getContext(ts);
            for (Invoke i : ts.getInvokes()) {
                String src = i.getSrc();
                if (src == null) {
                    String srcexpr = i.getSrcexpr();
                    Object srcObj;
                    try {
                        context.setLocal(Context.NAMESPACES_KEY, i.getNamespaces());
                        srcObj = eval.eval(context, srcexpr);
                        context.setLocal(Context.NAMESPACES_KEY, null);
                        src = String.valueOf(srcObj);
                    } catch (SCXMLExpressionException see) {
                        exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                        exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                    }
                }
                String source = src;
                PathResolver pr = i.getPathResolver();
                if (pr != null) {
                    source = i.getPathResolver().resolvePath(src);
                }
                Invoker inv;
                try {
                    inv = exctx.newInvoker(i.getType());
                } catch (InvokerException ie) {
                    exctx.getInternalIOProcessor().addEvent(new TriggerEvent("failed.invoke."+ts.getId(), TriggerEvent.ERROR_EVENT));
                    continue;
                }
                List<Param> params = i.params();
                Map<String, Object> args = new HashMap<String, Object>();
                for (Param p : params) {
                    String argExpr = p.getExpr();
                    Object argValue = null;
                    context.setLocal(Context.NAMESPACES_KEY, p.getNamespaces());
                    // Do we have an "expr" attribute?
                    if (argExpr != null && argExpr.trim().length() > 0) {
                        try {
                            argValue = eval.eval(context, argExpr);
                        } catch (SCXMLExpressionException see) {
                            exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                            exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                        }
                    } else {
                        // No. Does value of "name" attribute refer to a valid
                        // location in the data model?
                        try {
                            argValue = eval.evalLocation(context, p.getName());
                            if (argValue == null) {
                                // Generate error, 4.3.1 in WD-scxml-20080516
                                exctx.getInternalIOProcessor().addEvent(new TriggerEvent(ts.getId() + ERR_ILLEGAL_ALLOC, TriggerEvent.ERROR_EVENT));
                            }
                        } catch (SCXMLExpressionException see) {
                            exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                            exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                        }
                    }
                    context.setLocal(Context.NAMESPACES_KEY, null);
                    args.put(p.getName(), argValue);
                }
                String invokeId = exctx.setInvoker(i, inv);
                inv.setInvokeId(invokeId);
                inv.setParentIOProcessor(exctx.getExternalIOProcessor());

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  public void start() throws Exception {
    jettyServer = new Server(0);
    
    ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
    context.setContextPath(contextPath);
    jettyServer.setHandler(context);
   
    context.addServlet(new ServletHolder(servlet), servletPath + "/*");
          
    jettyServer.start();
    
    port = jettyServer.getConnectors()[0].getLocalPort();
  }

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    protected Server server;


    @Override
    public void startServer() throws Exception {
        server = new Server(port);
        ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
        context.setContextPath("/");
        server.setHandler(context);
        context.addServlet(new ServletHolder(atmoServlet), "/*");
        server.start();
    }

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        int port = TestHelper.getEnvVariable("ATMOSPHERE_HTTP_PORT", findFreePort());
        urlTarget = "http://127.0.0.1:" + port + "/invoke";


        server = new Server(port);


        ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
        context.setContextPath("/");
        server.setHandler(context);


        atmoServlet = new AtmosphereServlet();
        configureCometSupport();
        context.addServlet(new ServletHolder(atmoServlet), "/");
        server.start();
    }

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    public synchronized void startJetty() throws Throwable {
        if (jettyServer!=null) {
            return;
        }
        servletContext = new ServletContextHandler(ServletContextHandler.NO_SECURITY);
        servletContext.setContextPath("/");


        TopologyConnectorServlet servlet = new TopologyConnectorServlet();
        PrivateAccessor.setField(servlet, "config", config);
        PrivateAccessor.setField(servlet, "clusterViewService", clusterViewService);

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            lastPort = port.getPort();
            connector.setPort(port.getPort());
            server.addConnector(connector);
        }


        ServletContextHandler root = new ServletContextHandler(ServletContextHandler.SESSIONS);
        root.setContextPath("/");
        server.setHandler(root);


        // set servlet context attributes for broker and configuration
        root.getServletContext().setAttribute(HttpManagementUtil.ATTR_BROKER, getBroker());
        root.getServletContext().setAttribute(HttpManagementUtil.ATTR_MANAGEMENT_CONFIGURATION, this);


        FilterHolder restAuthorizationFilter = new FilterHolder(new ForbiddingAuthorisationFilter());
        restAuthorizationFilter.setInitParameter(ForbiddingAuthorisationFilter.INIT_PARAM_ALLOWED, "/rest/sasl");
        root.addFilter(restAuthorizationFilter, "/rest/*", EnumSet.of(DispatcherType.REQUEST));
        root.addFilter(new FilterHolder(new RedirectingAuthorisationFilter()), HttpManagementUtil.ENTRY_POINT_PATH, EnumSet.of(DispatcherType.REQUEST));
        root.addFilter(new FilterHolder(new RedirectingAuthorisationFilter()), "/index.html", EnumSet.of(DispatcherType.REQUEST));
        root.addFilter(new FilterHolder(new RedirectingAuthorisationFilter()), "/", EnumSet.of(DispatcherType.REQUEST));


        addRestServlet(root, "broker");
        addRestServlet(root, "virtualhost", VirtualHost.class);
        addRestServlet(root, "authenticationprovider", AuthenticationProvider.class);
        addRestServlet(root, "accesscontrolprovider", AccessControlProvider.class);
        addRestServlet(root, "user", AuthenticationProvider.class, User.class);
        addRestServlet(root, "groupprovider", GroupProvider.class);
        addRestServlet(root, "group", GroupProvider.class, Group.class);
        addRestServlet(root, "groupmember", GroupProvider.class, Group.class, GroupMember.class);
        addRestServlet(root, "exchange", VirtualHost.class, Exchange.class);
        addRestServlet(root, "queue", VirtualHost.class, Queue.class);
        addRestServlet(root, "connection", VirtualHost.class, Connection.class);
        addRestServlet(root, "binding", VirtualHost.class, Exchange.class, Queue.class, Binding.class);
        addRestServlet(root, "port", Port.class);
        addRestServlet(root, "session", VirtualHost.class, Connection.class, Session.class);
        addRestServlet(root, "keystore", KeyStore.class);
        addRestServlet(root, "truststore", TrustStore.class);
        addRestServlet(root, "plugin", Plugin.class);
        addRestServlet(root, "preferencesprovider", AuthenticationProvider.class, PreferencesProvider.class);


        root.addServlet(new ServletHolder(new UserPreferencesServlet()), "/rest/userpreferences/*");
        root.addServlet(new ServletHolder(new LoggedOnUserPreferencesServlet()), "/rest/preferences");
        root.addServlet(new ServletHolder(new StructureServlet()), "/rest/structure");
        root.addServlet(new ServletHolder(new MessageServlet()), "/rest/message/*");
        root.addServlet(new ServletHolder(new MessageContentServlet()), "/rest/message-content/*");


        root.addServlet(new ServletHolder(new LogRecordsServlet()), "/rest/logrecords");


        root.addServlet(new ServletHolder(new SaslServlet()), "/rest/sasl");


        root.addServlet(new ServletHolder(new DefinedFileServlet("index.html")), HttpManagementUtil.ENTRY_POINT_PATH);
        root.addServlet(new ServletHolder(new DefinedFileServlet("index.html")), "/");
        root.addServlet(new ServletHolder(new LogoutServlet()), "/logout");


        root.addServlet(new ServletHolder(new FileServlet(DojoHelper.getDojoPath(), true)), "/dojo/dojo/*");
        root.addServlet(new ServletHolder(new FileServlet(DojoHelper.getDijitPath(), true)), "/dojo/dijit/*");
        root.addServlet(new ServletHolder(new FileServlet(DojoHelper.getDojoxPath(), true)), "/dojo/dojox/*");


        root.addServlet(new ServletHolder(new FileServlet()), "*.js");
        root.addServlet(new ServletHolder(new FileServlet()), "*.css");
        root.addServlet(new ServletHolder(new FileServlet()), "*.html");
        root.addServlet(new ServletHolder(new FileServlet()), "*.png");
        root.addServlet(new ServletHolder(new FileServlet()), "*.gif");
        root.addServlet(new ServletHolder(new FileServlet()), "*.jpg");
        root.addServlet(new ServletHolder(new FileServlet()), "*.jpeg");
        root.addServlet(new ServletHolder(new FileServlet()), "*.json");
        root.addServlet(new ServletHolder(new FileServlet()), "*.txt");
        root.addServlet(new ServletHolder(new FileServlet()), "*.xsl");
        root.addServlet(new ServletHolder(new HelperServlet()), "/rest/helper");
        root.addServlet(new ServletHolder(new LogFileListingServlet()), "/rest/logfilenames");
        root.addServlet(new ServletHolder(new LogFileServlet()), "/rest/logfile");


        final SessionManager sessionManager = root.getSessionHandler().getSessionManager();
        sessionManager.setSessionCookie(JSESSIONID_COOKIE_PREFIX + lastPort);
        sessionManager.setMaxInactiveInterval((Integer)getAttribute(TIME_OUT));


        return server;
    }

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        ServerConnector connector = server.getBean(ServerConnector.class);
        HttpConfiguration config = connector.getBean(HttpConnectionFactory.class).getHttpConfiguration();
        config.setSendDateHeader(true);
        config.setSendServerVersion(true);


        ServletContextHandler context = new ServletContextHandler(ServletContextHandler.NO_SECURITY|ServletContextHandler.NO_SESSIONS);
        context.setContextPath("/");
        server.setHandler(context);


        context.addServlet(org.eclipse.jetty.servlet.DefaultServlet.class,"/");
        context.addServlet(JsonServlet.class,"/json");
        context.addServlet(PlaintextServlet.class,"/plaintext");


        server.start();
        server.join();
    }

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