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    @Override
    public void contextInitialized(ServletContextEvent servletContextEvent) {
        ServletContext context = servletContextEvent.getServletContext();
        ScopedContainers containers = (ScopedContainers) context.getAttribute(ScopedContainers.class.getName());

        MutablePicoContainer appContainer = containers.getApplicationContainer();
        MutablePicoContainer reqContainer = containers.getRequestContainer();

        addAdapters(appContainer, XML_CONFIGURATION_FILE_APP);
        addAdapters(reqContainer, XML_CONFIGURATION_FILE_REQ);
    }

    private void addAdapters(MutablePicoContainer container, final String xmlPath) {
        InputStream inStream = Thread.currentThread().getContextClassLoader().getResourceAsStream(xmlPath);
        if(inStream == null) {
            throw new PicoContainerWebException("Configuration file not found.");
        }

        ScriptedContainerBuilder containerBuilder = new XMLContainerBuilder(
                new InputStreamReader(inStream),
                Thread.currentThread().getContextClassLoader()
        );
        PicoContainer appCtnr = containerBuilder.buildContainer(null, null, true);
        for (ComponentAdapter<?> adapter: appCtnr.getComponentAdapters()) {
            container.addAdapter(adapter);
        }

        try {
            inStream.close();
        } catch (IOException e) {
            throw new PicoContainerWebException("Error while closing configuration file.");
        }
    }