Java Code Examples for org.apache.webbeans.config.WebBeansContext#currentInstance()

@Override
public ELResolver getOwbELResolver() {
    WebBeansContext old = null;
    boolean exit = false;
    try { // just some safety around this but should be very very rare
        WebBeansContext.currentInstance();
    } catch (final IllegalStateException ise) {
        old = ThreadSingletonServiceImpl.enter(appContext.getWebBeansContext());
        exit = true;
    }
    try {
        return new WebBeansELResolver();
    } finally {
        if (exit) {
            ThreadSingletonServiceImpl.exit(old);
        }
    }
}
 

@Before
public void startConversation() {
    final WebBeansContext webBeansContext = WebBeansContext.currentInstance();
    webBeansContext.registerService(ConversationService.class, new ConversationService() {
        @Override
        public String getConversationId() {
            return "conversation-test";
        }

        @Override
        public String generateConversationId() {
            return "cid_1";
        }
    });
    webBeansContext.getService(ContextsService.class).startContext(ConversationScoped.class, null);
}
 

private BeanManager beanManager() {
    final WebBeansContext webBeansContext = WebBeansContext.currentInstance();
    if (webBeansContext == null) {
        return null; // too early to have a cdi bean
    }
    return webBeansContext.getBeanManagerImpl();
}
 

@Override
public String decrypt(final char[] encryptedPassword) {
    final String string = new String(encryptedPassword);
    final BeanManagerImpl mgr;
    try {
        final WebBeansContext wbc = WebBeansContext.currentInstance();
        mgr = wbc.getBeanManagerImpl();
        if (!mgr.isInUse()) { // not yet the time to use CDI, container is not started
            // would be cool to log a warning here but would pollute the logs with false positives
            return "cipher:cdi:" + string;
        }
    } catch (final IllegalStateException ise) { // no cdi
        return "cipher:cdi:" + string;
    }

    final int split = string.indexOf(':');
    final String delegate = string.substring(0, split);
    final String pwdStr = string.substring(split + 1, string.length());
    final char[] pwd = pwdStr.toCharArray();

    try {
        final Class<?> beanType = Thread.currentThread().getContextClassLoader().loadClass(delegate);
        final Bean<?> bean = mgr.resolve(mgr.getBeans(beanType));
        if (bean == null) {
            throw new IllegalArgumentException("No bean for " + delegate);
        }

        final CreationalContext<?> cc = mgr.createCreationalContext(null);
        try {
            return PasswordCipher.class.cast(mgr.getReference(bean, PasswordCipher.class, cc)).decrypt(pwd);
        } finally {
            if (!mgr.isNormalScope(bean.getScope())) {
                cc.release();
            }
        }
    } catch (final ClassNotFoundException e) {
        throw new IllegalArgumentException("Can't find " + delegate, e);
    }
}
 

@Override
public T get() {
    if (webBeansContext == null) {
        webBeansContext = WebBeansContext.currentInstance();
    }
    return (T) SystemInstance.get().getComponent(type);
}
 

@Test
public void check() {
    assertEquals("1", b1.val());
    try {
        WebBeansContext.currentInstance();
        fail();
    } catch (final IllegalStateException ise) {
        // ok
    }
}
 

@Test
public void checkWebbeansContext() {
    final WebBeansContext ctx1 = WebBeansContext.currentInstance();
    final List<AppContext> appCtxs = SystemInstance.get().getComponent(ContainerSystem.class).getAppContexts();
    assertEquals(1, appCtxs.size());
    final WebBeansContext ctx2 = appCtxs.iterator().next().getWebBeansContext();
    assertSame(ctx1, ctx2);
}
 

@BeforeClass
public static void startContainer()
{
    final WebBeansContext webBeansContext = WebBeansContext.currentInstance();
    lifecycle = webBeansContext.getService(ContainerLifecycle.class);
    lifecycle.startApplication(null);
    bm = webBeansContext.getBeanManagerImpl();
}
 

public OWBBeanProvider()
{
    final WebBeansContext webBeansContext = WebBeansContext.currentInstance();
    final ContainerLifecycle lifecycle = webBeansContext.getService(ContainerLifecycle.class);
    lifecycle.startApplication(null);
    Runtime.getRuntime().addShutdownHook(new Thread()
    {
        @Override
        public void run()
        {
            lifecycle.stopApplication(null);
        }
    });
    bm = webBeansContext.getBeanManagerImpl();
}
 

public void onMessage(HttpRequest request, HttpResponse response) throws Exception {
    final Thread thread = Thread.currentThread();
    final ClassLoader oldCl = thread.getContextClassLoader();

    WebBeansContext wbc = null;
    try {
        if (request instanceof HttpRequestImpl) {
            final HttpRequestImpl httpRequest = HttpRequestImpl.class.cast(request);
            final WebContext web = findWebContext(request.getURI() == null ? request.getContextPath() : request.getURI().getPath());
            if (web != null) {
                httpRequest.setApplication(web);

                if (web.getClassLoader() != null) {
                    thread.setContextClassLoader(web.getClassLoader());
                } else if (web.getAppContext().getClassLoader() != null) {
                    thread.setContextClassLoader(web.getAppContext().getClassLoader());
                }

                final String ctx = (web.getContextRoot().startsWith("/") ? "" : "/") + web.getContextRoot();
                httpRequest.initPathFromContext(ctx);
                wbc = web.getWebbeansContext() != null ? web.getWebbeansContext() : web.getAppContext().getWebBeansContext();
            } else {
                thread.setContextClassLoader(classLoader);

                if (SystemInstance.isInitialized()) { // avoid to rely on default if we didnt init it and then create lazily a context
                    try { // surely an issue or something just tolerated for fake webapps
                        wbc = WebBeansContext.currentInstance();
                    } catch (final IllegalStateException ise) {
                        // no-op
                    }
                }
            }
            if (wbc != null) {
                httpRequest.setAttribute("openejb_owb_context", wbc);
                initCdi(wbc, httpRequest).init();
            }
        }

        delegate.onMessage(request, response);
    } finally {
        if (wbc != null) {
            HttpRequestImpl.class.cast(request).destroy();
        }

        thread.setContextClassLoader(oldCl);
    }
}
 

private static void composerInject(final Object target) throws IllegalAccessException {
    WebBeansContext wbc = null;
    try {
        wbc = WebBeansContext.currentInstance();
    } catch (final IllegalStateException ise) {
        // no-op
    }
    if (wbc != null) {
        OWBInjector.inject(wbc.getBeanManagerImpl(), target, null);
    }

    final Object app = APP.get();
    final Class<?> aClass = target.getClass();
    for (final Field f : aClass.getDeclaredFields()) {
        if (f.isAnnotationPresent(RandomPort.class)) {
            for (final Field field : app.getClass().getDeclaredFields()) {
                if (field.getType() ==  f.getType()) {
                    if (!field.isAccessible()) {
                        field.setAccessible(true);
                    }
                    if (!f.isAccessible()) {
                        f.setAccessible(true);
                    }

                    final Object value = field.get(app);
                    f.set(target, value);
                    break;
                }
            }
        } else if (f.isAnnotationPresent(Application.class)) {
            if (!f.isAccessible()) {
                f.setAccessible(true);
            }
            f.set(target, app);
        }
    }
    final Class<?> superclass = aClass.getSuperclass();
    if (superclass != Object.class) {
        composerInject(superclass);
    }
}
 

private ContextsService getContextsService()
{
    WebBeansContext webBeansContext = WebBeansContext.currentInstance();
    return webBeansContext.getContextsService();
}