Examples of net.sourceforge.stripes.config.Configuration

net.sourceforge.stripes.config.Configuration

Type safe interface for accessing configuration information used to configure Stripes. All Configuration implementations are handed a reference to the BootstrapPropertyResolver to enable them to find initial values and fully initialize themselves. Through the BootstrapPropertyResolver implementations also get access to the ServletConfig of the DispatcherServlet which can be used for locating configuration values if desired.

Implementations of Configuration should fail fast. At initialization time they should detect as many failures as possible and raise an exception. Since exceptions in Configuration are considered fatal there are no exception specifications and implementations are expected to throw runtime exceptions with plenty of details about the failure and its suspected cause(s).
@author Tim Fennell

     * @param ctx the ExecutionContext being used to process the current request
     * @return a Resolution if any interceptor determines that the request processing should
     *         be aborted in favor of another Resolution, null otherwise.
     */
    public static Resolution resolveHandler(final ExecutionContext ctx) throws Exception {
        final Configuration config = StripesFilter.getConfiguration();
        ctx.setLifecycleStage(LifecycleStage.HandlerResolution);
        ctx.setInterceptors(config.getInterceptors(LifecycleStage.HandlerResolution));


        return ctx.wrap( new Interceptor() {
            public Resolution intercept(ExecutionContext ctx) throws Exception {
                ActionBean bean = ctx.getActionBean();
                ActionBeanContext context = ctx.getActionBeanContext();
                ActionResolver resolver = config.getActionResolver();


                // Then lookup the event name and handler method etc.
                String eventName = resolver.getEventName(bean.getClass(), context);
                context.setEventName(eventName);

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                                                    final boolean validate) throws Exception {
        // Bind the value to the bean - this includes performing field level validation
        final Method handler = ctx.getHandler();
        final boolean doBind = handler == null || handler.getAnnotation(DontBind.class) == null;
        final boolean doValidate = doBind && validate && (handler == null || handler.getAnnotation(DontValidate.class) == null);
        final Configuration config = StripesFilter.getConfiguration();


        ctx.setLifecycleStage(LifecycleStage.BindingAndValidation);
        ctx.setInterceptors(config.getInterceptors(LifecycleStage.BindingAndValidation));


        return ctx.wrap(new Interceptor() {
            public Resolution intercept(ExecutionContext ctx) throws Exception {
                if (doBind) {
                    ActionBeanPropertyBinder binder = config.getActionBeanPropertyBinder();
                    binder.bind(ctx.getActionBean(), ctx.getActionBeanContext(), doValidate);
                    fillInValidationErrors(ctx);
                }
                return null;
            }

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        final ValidationErrors errors = ctx.getActionBeanContext().getValidationErrors();
        final ActionBean bean = ctx.getActionBean();
        final Method handler = ctx.getHandler();
        final boolean doBind = handler != null && handler.getAnnotation(DontBind.class) == null;
        final boolean doValidate = doBind && handler.getAnnotation(DontValidate.class) == null;
        Configuration config = StripesFilter.getConfiguration();


        // Run the bean's methods annotated with @ValidateMethod if the following conditions are met:
        //   l. This event is not marked to bypass binding 
        //   2. This event is not marked to bypass validation (doValidate == true)
        //   3. We have no errors so far OR alwaysInvokeValidate is true
        if (doValidate) {


            ctx.setLifecycleStage(LifecycleStage.CustomValidation);
            ctx.setInterceptors(config.getInterceptors(LifecycleStage.CustomValidation));


            return ctx.wrap( new Interceptor() {
        public Resolution intercept(ExecutionContext context) throws Exception {
                    // Run any of the annotated validation methods
                    Method[] validations = findCustomValidationMethods(bean.getClass());

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     *        type conversion should occur
     * @return a Resolution if the error handling code determines that some kind of resolution
     *         should be processed in favor of continuing on to handler invocation
     */
    public static Resolution invokeEventHandler(ExecutionContext ctx) throws Exception {
        final Configuration config = StripesFilter.getConfiguration();
        final Method handler = ctx.getHandler();
        final ActionBean bean = ctx.getActionBean();


        // Finally execute the handler method!
        ctx.setLifecycleStage(LifecycleStage.EventHandling);
        ctx.setInterceptors(config.getInterceptors(LifecycleStage.EventHandling));


        return ctx.wrap( new Interceptor() {
            public Resolution intercept(ExecutionContext ctx) throws Exception {
                Object returnValue = handler.invoke(bean);
                fillInValidationErrors(ctx);

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     * @param ctx the current execution context representing the request
     * @param resolution the resolution to be executed unless another is substituted by an
     *        interceptor before calling ctx.proceed()
     */
    public static void executeResolution(ExecutionContext ctx, Resolution resolution) throws Exception {
        final Configuration config = StripesFilter.getConfiguration();


        ctx.setLifecycleStage(LifecycleStage.ResolutionExecution);
        ctx.setInterceptors(config.getInterceptors(LifecycleStage.ResolutionExecution));
        ctx.setResolution(resolution);


        Resolution retval = ctx.wrap( new Interceptor() {
            public Resolution intercept(ExecutionContext context) throws Exception {
                ActionBeanContext abc = context.getActionBeanContext();

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    /**
     * Returns the Configuration that is being used to process the current request.
     */
    public static Configuration getConfiguration() {
        Configuration configuration = StripesFilter.configurationStash.get();


        // If the configuration wasn't available in thread local, check to see if we only
        // know about one configuration in total, and if so use that one
        if (configuration == null) {
            synchronized (StripesFilter.configurations) {

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    }


    /** Gets a reference to the default configuration, which can be used for simple testing. */
    public static synchronized Configuration getDefaultConfiguration() {
        if (configuration == null) {
            Configuration configuration = new DefaultConfiguration();
            MockFilterConfig filterConfig = new MockFilterConfig();
            filterConfig.addAllInitParameters(getDefaultFilterParams());
            MockServletContext mockServletContext = createServletContext();
            try {
                filterConfig.setServletContext(mockServletContext);
                configuration.setBootstrapPropertyResolver(new BootstrapPropertyResolver(filterConfig));
                configuration.init();
                StripesTestFixture.configuration = configuration;
            } finally {
                mockServletContext.close();
            }
        }

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    public static String encrypt(String input) {
        if (input == null)
            input = "";


        // encryption is disabled in debug mode
        Configuration configuration = StripesFilter.getConfiguration();
        if (configuration != null && configuration.isDebugMode())
            return input;


        try {
            // First size the output
            Cipher cipher = getCipher(Cipher.ENCRYPT_MODE);

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    public static String decrypt(String input) {
        if (input == null)
            return null;


        // encryption is disabled in debug mode
        Configuration configuration = StripesFilter.getConfiguration();
        if (configuration != null && configuration.isDebugMode())
            return input;


        // First un-base64 the String
        byte[] bytes = Base64.decode(input, BASE64_OPTIONS);
        if (bytes == null || bytes.length < 1) {

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     *
     * @return a byte[] of key material, or null
     */
    protected static byte[] getKeyMaterialFromConfig() {
        try {
            Configuration config = StripesFilter.getConfiguration();
            if (config != null) {
                String key = config.getBootstrapPropertyResolver().getProperty(CONFIG_ENCRYPTION_KEY);
                if (key != null) {
                    return key.getBytes();
                }
            }
        }

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