org.eclipse.jetty.servlet.ErrorPageErrorHandler Java Examples

@Before
public void setUp() throws Exception {
  TemplateHelper templateHelper = new TemplateHelperImpl(new ApplicationVersionSupport()
  {
    @Override
    public String getEdition() {
      return "Test";
    }
  }, new VelocityEngine());

  XFrameOptions xFrameOptions = new XFrameOptions(true);

  ServletContextHandler context = new ServletContextHandler();
  context.addServlet(new ServletHolder(new ErrorPageServlet(templateHelper, xFrameOptions)), "/error.html");
  context.addServlet(new ServletHolder(new BadServlet()), "/bad/*");

  ErrorPageErrorHandler errorHandler = new ErrorPageErrorHandler();
  errorHandler.addErrorPage(GLOBAL_ERROR_PAGE, "/error.html");
  context.setErrorHandler(errorHandler);

  BaseUrlHolder.set("http://127.0.0.1");

  server = new Server(0);
  server.setHandler(context);
  server.start();

  port = ((ServerConnector) server.getConnectors()[0]).getLocalPort();
}
 

private static ErrorHandler generateErrorHandler() {
    ErrorPageErrorHandler errorHandler = new ErrorPageErrorHandler();
    errorHandler.addErrorPage(Throwable.class, "/error");
    return errorHandler;
}
 

private static ErrorHandler generateErrorHandler() {
    ErrorPageErrorHandler errorHandler = new ErrorPageErrorHandler();
    errorHandler.addErrorPage(Throwable.class, "/error");
    return errorHandler;
}
 

private void registerResources(StreamlineConfiguration configuration, Environment environment, Subject subject) throws ConfigException,
        ClassNotFoundException, IllegalAccessException, InstantiationException {
    StorageManager storageManager = getDao(configuration);
    TransactionManager transactionManager;
    if (storageManager instanceof TransactionManager) {
        transactionManager = (TransactionManager) storageManager;
    } else {
        transactionManager = new NOOPTransactionManager();
    }
    environment.jersey().register(new TransactionEventListener(transactionManager, true));
    Collection<Class<? extends Storable>> streamlineEntities = getStorableEntities();
    storageManager.registerStorables(streamlineEntities);
    LOG.info("Registered streamline entities {}", streamlineEntities);
    FileStorage fileStorage = this.getJarStorage(configuration, storageManager);
    int appPort = ((HttpConnectorFactory) ((DefaultServerFactory) configuration.getServerFactory()).getApplicationConnectors().get(0)).getPort();
    String catalogRootUrl = configuration.getCatalogRootUrl().replaceFirst("8080", appPort + "");
    List<ModuleConfiguration> modules = configuration.getModules();
    List<Object> resourcesToRegister = new ArrayList<>();

    // add StreamlineConfigResource
    resourcesToRegister.add(new StreamlineConfigurationResource(configuration));

    // authorizer
    StreamlineAuthorizer authorizer;
    AuthorizerConfiguration authorizerConf = configuration.getAuthorizerConfiguration();
    SecurityCatalogService securityCatalogService = new SecurityCatalogService(storageManager);
    if (authorizerConf != null) {
        authorizer = ((Class<StreamlineAuthorizer>) Class.forName(authorizerConf.getClassName())).newInstance();
        Map<String, Object> authorizerConfig = new HashMap<>();
        authorizerConfig.put(DefaultStreamlineAuthorizer.CONF_CATALOG_SERVICE, securityCatalogService);
        authorizerConfig.put(DefaultStreamlineAuthorizer.CONF_ADMIN_PRINCIPALS, authorizerConf.getAdminPrincipals());
        authorizer.init(authorizerConfig);
        String filterClazzName = authorizerConf.getContainerRequestFilter();
        ContainerRequestFilter filter;
        if (StringUtils.isEmpty(filterClazzName)) {
            filter = new StreamlineKerberosRequestFilter(); // default
        } else {
            filter = ((Class<ContainerRequestFilter>) Class.forName(filterClazzName)).newInstance();
        }
        LOG.info("Registering ContainerRequestFilter: {}", filter.getClass().getCanonicalName());
        environment.jersey().register(filter);
    } else {
        LOG.info("Authorizer config not set, setting noop authorizer");
        String noopAuthorizerClassName = "com.hortonworks.streamline.streams.security.impl.NoopAuthorizer";
        authorizer = ((Class<StreamlineAuthorizer>) Class.forName(noopAuthorizerClassName)).newInstance();
    }

    for (ModuleConfiguration moduleConfiguration: modules) {
        String moduleName = moduleConfiguration.getName();
        String moduleClassName = moduleConfiguration.getClassName();
        LOG.info("Registering module [{}] with class [{}]", moduleName, moduleClassName);
        ModuleRegistration moduleRegistration = (ModuleRegistration) Class.forName(moduleClassName).newInstance();
        if (moduleConfiguration.getConfig() == null) {
            moduleConfiguration.setConfig(new HashMap<String, Object>());
        }
        if (moduleName.equals(Constants.CONFIG_STREAMS_MODULE)) {
            moduleConfiguration.getConfig().put(Constants.CONFIG_CATALOG_ROOT_URL, catalogRootUrl);
        }
        Map<String, Object> initConfig = new HashMap<>(moduleConfiguration.getConfig());
        initConfig.put(Constants.CONFIG_AUTHORIZER, authorizer);
        initConfig.put(Constants.CONFIG_SECURITY_CATALOG_SERVICE, securityCatalogService);
        initConfig.put(Constants.CONFIG_SUBJECT, subject);
        if ((initConfig.get("proxyUrl") != null) && (configuration.getHttpProxyUrl() == null || configuration.getHttpProxyUrl().isEmpty())) {
            LOG.warn("Please move proxyUrl, proxyUsername and proxyPassword configuration properties under streams module to httpProxyUrl, " +
                    "httpProxyUsername and httpProxyPassword respectively at top level in your streamline.yaml");
            configuration.setHttpProxyUrl((String) initConfig.get("proxyUrl"));
            configuration.setHttpProxyUsername((String) initConfig.get("proxyUsername"));
            configuration.setHttpProxyPassword((String) initConfig.get("proxyPassword"));
        }
        // pass http proxy information from top level config to each module. Up to them how they want to use it. Currently used in StreamsModule
        initConfig.put(Constants.CONFIG_HTTP_PROXY_URL, configuration.getHttpProxyUrl());
        initConfig.put(Constants.CONFIG_HTTP_PROXY_USERNAME, configuration.getHttpProxyUsername());
        initConfig.put(Constants.CONFIG_HTTP_PROXY_PASSWORD, configuration.getHttpProxyPassword());
        moduleRegistration.init(initConfig, fileStorage);
        if (moduleRegistration instanceof StorageManagerAware) {
            LOG.info("Module [{}] is StorageManagerAware and setting StorageManager.", moduleName);
            StorageManagerAware storageManagerAware = (StorageManagerAware) moduleRegistration;
            storageManagerAware.setStorageManager(storageManager);
        }
        if (moduleRegistration instanceof TransactionManagerAware) {
            LOG.info("Module [{}] is TransactionManagerAware and setting TransactionManager.", moduleName);
            TransactionManagerAware transactionManagerAware = (TransactionManagerAware) moduleRegistration;
            transactionManagerAware.setTransactionManager(transactionManager);
        }
        resourcesToRegister.addAll(moduleRegistration.getResources());

    }

    LOG.info("Registering resources to Jersey environment: [{}]", resourcesToRegister);
    for(Object resource : resourcesToRegister) {
        environment.jersey().register(resource);
    }
    environment.jersey().register(MultiPartFeature.class);

    final ErrorPageErrorHandler errorPageErrorHandler = new ErrorPageErrorHandler();
    errorPageErrorHandler.addErrorPage(Response.Status.UNAUTHORIZED.getStatusCode(), "/401.html");
    environment.getApplicationContext().setErrorHandler(errorPageErrorHandler);
}