class BlacklistGetAction extends AdminAction {

    @Override
    public boolean isTransactionAction() {
        return true;
    }

    @Override
    public boolean action(Request request, Response response) {<FILL_FUNCTION_BODY>}
}

        if (request.getNettyRequest() instanceof FullHttpRequest) {
            InputUserId inputGetFriendList = getRequestBody(request.getNettyRequest(), InputUserId.class);
            List<FriendData> dataList = messagesStore.getFriendList(inputGetFriendList.getUserId(), null, 0);
            List<String> list = new ArrayList<>();
            for (FriendData data : dataList) {
                if (data.getBlacked() > 0) {
                    list.add(data.getFriendUid());
                }
            }
            setResponseContent(RestResult.ok(new OutputStringList(list)), response);
        }
        return true;
    
<methods>public non-sealed void <init>() ,public static java.lang.String getSecretKey() ,public cn.wildfirechat.common.ErrorCode preAction(com.xiaoleilu.loServer.handler.Request, com.xiaoleilu.loServer.handler.Response) ,public static void setNoCheckTime(java.lang.String) ,public static void setSecretKey(java.lang.String) <variables>private static final org.slf4j.Logger LOG,private static boolean NO_CHECK_TIME,private static java.lang.String SECRET_KEY