How to use org.jboss.weld.module.web.context.http

@Override
public boolean destroy(HttpSession session) {
  if (isAssociated()) {
    checkContextInitialized();
  }
  return super.destroy(session);
}

@Override
public void deactivate() {
  try {
    if (isInitialized()) {
      try {
        super.deactivate();
      } finally {
        this.initialized.set(null);
      }
    } else {
      // Only deactivate the context, i.e. remove state threadlocal
      removeState();
    }
  } finally {
    this.transientConversationInitializationCallback.set(null);
  }
}

/**
 *
 * @param transientConversationInitializationCallback This callback will be executed during initialization
 */
public void activateLazily(Consumer<HttpServletRequest> transientConversationInitializationCallback) {
  activate();
  // Always set the callback - the deactivation might not be performed properly
  this.transientConversationInitializationCallback.set(transientConversationInitializationCallback);
}

@Override
public void activate() {
  if (!isAssociated()) {
    throw ConversationLogger.LOG.mustCallAssociateBeforeActivate();
  }
  if (!isActive()) {
    super.setActive(true);
  } else {
    ConversationLogger.LOG.contextAlreadyActive(getRequest());
  }
  // Reset the initialized flag - a thread which is not cleaned up properly (e.g. async processing on
  // Tomcat) may break the lazy initialization otherwise
  this.initialized.set(null);
}

@Override
public void postContextRegistration(PostContextRegistrationContext ctx) {
  final BeanIdentifierIndex index = ctx.getServices().get(BeanIdentifierIndex.class);
  final String contextId = ctx.getContextId();
  if (Reflections.isClassLoadable(ServletApiAbstraction.SERVLET_CONTEXT_CLASS_NAME, WeldClassLoaderResourceLoader.INSTANCE)) {
    // Register the Http contexts if not in
    Set<Annotation> httpQualifiers = ImmutableSet.<Annotation> builder().addAll(Bindings.DEFAULT_QUALIFIERS).add(HttpLiteral.INSTANCE).build();
    ctx.addContext(new ContextHolder<HttpSessionContext>(new HttpSessionContextImpl(contextId, index), HttpSessionContext.class, httpQualifiers));
    ctx.addContext(new ContextHolder<HttpSessionDestructionContext>(new HttpSessionDestructionContext(contextId, index), HttpSessionDestructionContext.class, httpQualifiers));
    ctx.addContext(new ContextHolder<HttpConversationContext>(new LazyHttpConversationContextImpl(contextId, ctx.getServices()), HttpConversationContext.class, httpQualifiers));
    ctx.addContext(new ContextHolder<HttpRequestContext>(new HttpRequestContextImpl(contextId), HttpRequestContext.class, httpQualifiers));
  }
}

private void deactivateSessionDestructionContext(HttpSession session) {
  HttpSessionDestructionContext context = getSessionDestructionContext();
  if (context.isActive()) {
    context.deactivate();
    context.dissociate(session);
  }
}

@Override
public boolean associate(HttpSession session) {
  if (getBeanStore() == null) {
    // Don't reassociate
    setBeanStore(new EagerSessionBeanStore(namingScheme, session, getServiceRegistry()));
    return true;
  } else {
    return false;
  }
}

@Override
protected void initialize(String cid) {
  this.initialized.set(Boolean.TRUE);
  super.initialize(cid);
}

@Override
public void activate() {
  if (!isAssociated()) {
    throw ConversationLogger.LOG.mustCallAssociateBeforeActivate();
  }
  if (!isActive()) {
    super.setActive(true);
  } else {
    ConversationLogger.LOG.contextAlreadyActive(getRequest());
  }
  // Reset the initialized flag - a thread which is not cleaned up properly (e.g. async processing on
  // Tomcat) may break the lazy initialization otherwise
  this.initialized.set(null);
}

@Override
public void postContextRegistration(PostContextRegistrationContext ctx) {
  final BeanIdentifierIndex index = ctx.getServices().get(BeanIdentifierIndex.class);
  final String contextId = ctx.getContextId();
  if (Reflections.isClassLoadable(ServletApiAbstraction.SERVLET_CONTEXT_CLASS_NAME, WeldClassLoaderResourceLoader.INSTANCE)) {
    // Register the Http contexts if not in
    Set<Annotation> httpQualifiers = ImmutableSet.<Annotation> builder().addAll(Bindings.DEFAULT_QUALIFIERS).add(HttpLiteral.INSTANCE).build();
    ctx.addContext(new ContextHolder<HttpSessionContext>(new HttpSessionContextImpl(contextId, index), HttpSessionContext.class, httpQualifiers));
    ctx.addContext(new ContextHolder<HttpSessionDestructionContext>(new HttpSessionDestructionContext(contextId, index), HttpSessionDestructionContext.class, httpQualifiers));
    ctx.addContext(new ContextHolder<HttpConversationContext>(new LazyHttpConversationContextImpl(contextId, ctx.getServices()), HttpConversationContext.class, httpQualifiers));
    ctx.addContext(new ContextHolder<HttpRequestContext>(new HttpRequestContextImpl(contextId), HttpRequestContext.class, httpQualifiers));
  }
}

@Override
public boolean destroy(HttpSession session) {
  if (isAssociated()) {
    checkContextInitialized();
  }
  return super.destroy(session);
}

private void deactivateSessionDestructionContext(HttpSession session) {
  HttpSessionDestructionContext context = getSessionDestructionContext();
  if (context.isActive()) {
    context.deactivate();
    context.dissociate(session);
  }
}

@Override
public void deactivate() {
  try {
    if (isInitialized()) {
      try {
        super.deactivate();
      } finally {
        this.initialized.set(null);
      }
    } else {
      // Only deactivate the context, i.e. remove state threadlocal
      removeState();
    }
  } finally {
    this.transientConversationInitializationCallback.set(null);
  }
}

@Override
public boolean associate(HttpSession session) {
  if (getBeanStore() == null) {
    // Don't reassociate
    setBeanStore(new EagerSessionBeanStore(namingScheme, session, getServiceRegistry()));
    return true;
  } else {
    return false;
  }
}

/**
 *
 * @param transientConversationInitializationCallback This callback will be executed during initialization
 */
public void activateLazily(Consumer<HttpServletRequest> transientConversationInitializationCallback) {
  activate();
  // Always set the callback - the deactivation might not be performed properly
  this.transientConversationInitializationCallback.set(transientConversationInitializationCallback);
}

@Override
protected void initialize(String cid) {
  this.initialized.set(Boolean.TRUE);
  super.initialize(cid);
}

@Override
public boolean destroy(HttpSession session) {
  if (isAssociated()) {
    checkContextInitialized();
  }
  return super.destroy(session);
}

private void deactivateSessionDestructionContext(HttpSession session) {
  HttpSessionDestructionContext context = getSessionDestructionContext();
  if (context.isActive()) {
    context.deactivate();
    context.dissociate(session);
  }
}

/**
 *
 * @param transientConversationInitializationCallback This callback will be executed during initialization
 */
public void activateLazily(Consumer<HttpServletRequest> transientConversationInitializationCallback) {
  activate();
  // Always set the callback - the deactivation might not be performed properly
  this.transientConversationInitializationCallback.set(transientConversationInitializationCallback);
}

@Override
protected void initialize(String cid) {
  this.initialized.set(Boolean.TRUE);
  super.initialize(cid);
}