public synchronized Object createContext()

in bindings/servicemix-http/src/main/java/org/apache/servicemix/http/jetty/JettyContextManager.java [131:205]
71 lines of code
13 McCabe index (conditional complexity)

    public synchronized Object createContext(String strUrl, HttpProcessor processor) throws Exception {
        URL url = new URL(strUrl);
        Server server = getServer(url);
        if (server == null) {
            server = createServer(url, processor.getSsl());
        } else {
            // Check ssl params
            SslParameters ssl = sslParams.get(getKey(url));
            if (ssl != null && !ssl.equals(processor.getSsl())) {
                throw new Exception("An https server is already created on port " + url.getPort()
                        + " but SSL parameters do not match");
            }
        }
        String path = url.getPath();
        if (!path.startsWith("/")) {
            path = "/" + path;
        }
        if (path.endsWith("/")) {
            path = path.substring(0, path.length() - 1);
        }
        String pathSlash = path + "/";
        // Check that context does not exist yet
        HandlerCollection handlerCollection = (HandlerCollection) server.getHandler();
        ContextHandlerCollection contexts = (ContextHandlerCollection) handlerCollection.getHandlers()[0];
        Handler[] handlers = contexts.getHandlers();
        if (handlers != null) {
            for (int i = 0; i < handlers.length; i++) {
                if (handlers[i] instanceof ContextHandler) {
                    ContextHandler h = (ContextHandler) handlers[i];
                    String handlerPath = h.getContextPath() + "/";
                    if (handlerPath.startsWith(pathSlash) || pathSlash.startsWith(handlerPath)) {
                        throw new Exception("The requested context for path '" + path
                                + "' overlaps with an existing context for path: '" + h.getContextPath() + "'");
                    }
                }
            }
        }
        // Create context
        ServletContextHandler context = new ServletContextHandler();
        context.setContextPath(path);
        ServletHolder holder = new ServletHolder();
        holder.setName("jbiServlet");
        holder.setClassName(HttpBridgeServlet.class.getName());
        ServletHandler servletHandler = new ServletHandler();
        servletHandler.setServlets(new ServletHolder[]{holder});
        ServletMapping mapping = new ServletMapping();
        mapping.setServletName("jbiServlet");
        mapping.setPathSpec("/*");
        servletHandler.setServletMappings(new ServletMapping[]{mapping});
        if (processor.getAuthMethod() != null) {
            ConstraintSecurityHandler secHandler = new ConstraintSecurityHandler();
            ConstraintMapping constraintMapping = new ConstraintMapping();
            Constraint constraint = new Constraint();
            constraint.setAuthenticate(true);
            constraint.setRoles(new String[]{"*"});
            constraintMapping.setConstraint(constraint);
            constraintMapping.setPathSpec("/");
            secHandler.setConstraintMappings(new ConstraintMapping[]{constraintMapping});
            secHandler.setHandler(servletHandler);
            secHandler.setAuthMethod(processor.getAuthMethod());
            JaasUserRealm realm = new JaasUserRealm();
            if (configuration.getAuthenticationService() != null) {
                realm.setAuthenticationService(AuthenticationService.Proxy.create(configuration.getAuthenticationService()));
            }
            secHandler.setLoginService(realm);
            context.setSecurityHandler(secHandler);
        }
        context.setServletHandler(servletHandler);
        context.setAttribute("processor", processor);
        // add context
        contexts.addHandler(context);
        servletHandler.initialize();
        context.start();
        return context;
    }