修改另一个捆绑软件的捆绑软件配置 [英] Modify bundle configuration from another bundle

问题描述

我想知道是否可以从另一个捆绑软件中修改捆绑软件配置。例如，假设我使用FOSUserBundle并具有以下配置：

I was wondering whether there's a possible to modify a bundles configuration from another bundle. Let's say, for example, I'm using the FOSUserBundle with the following configuration:

fos_user:
    db_driver: orm
    firewall_name: main
    user_class: Acme\UserBundle\Entity\User

现在，我想在加载特定扩展名（ AcmeFoobarExtension ）时更改用户类。加载
AcmeFoobarExtension 时是否可以更改配置？例如：

And now, I want to change the user class when loading a specific extension (the AcmeFoobarExtension). Is it possible to change the configuration when loading the AcmeFoobarExtension? For example:

<?php
namespace Acme\FoobarBundle\DependencyInjection;

// use statements for dependency injection

class FoobarExtension extends Extension
{
    public function load(array $configs, ContainerBuilder $container)
    {
        $container->setConfiguration(
            'fos_user.user_class',
            'Acme\FoobarBundle\Entity\User'
        );
    }
}

是否可能这样？还是打败了依赖注入的目的？

Is something like this possible? Or defeats it the purpose of dependency injection?

编辑：显然有一个对Symfony 2.2的拉动请求，解决了这个想法/问题。

Apparently there's a pull request for Symfony 2.2 which addresses this idea/issue.

编辑2：现在在Symfony 2.2中可用（带有一个食谱中的文章）。

EDIT 2: This is now available in Symfony 2.2 (with an article in the cookbook).

推荐答案

应该注意，这现在是Symfony的正式功能：

It should be noted that this is now an official feature of Symfony:

http://symfony.com/doc/current/cookbook/bundles/prepend_extension.html

捆绑软件可以在全局配置参数之前添加配置值。为此，bundle扩展必须实现 PrependExtensionInterface 。然后 prepend（）方法可以添加全局配置值。

A bundle can prepend configuration values to the global config parameters. To do that, the bundle extension must implement PrependExtensionInterface. The prepend() method can then add global configuration values.

但是请注意，这些值可能会被覆盖

Note, however, that the values may be overwritten by other bundles and in the config file itself.

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