我们偏向后一种方法，因为 它让我们可以将自定义转换器（自带验证逻辑）与特定的对象类型相关联，并让 JSF 处理这种对象类型。

We prefer the latter option because it allows us to simply associate a custom converter (with built-in validation logic) with a specific object type and have JSF handle that object type.

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另一种方法是创建转换器组件，该组件使用一种类型的行为并产生另一种类型的属性。

Another approach is to create a converter component, which is a component that consumes an action of one type and produces a property of another type.

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如果转换器产生了一个交易类型的对象，随后处理类必须包含一个名为handle (trade trade)的方法。

If the converter produced an object of type trade, then the handler class must contain a method named handle (trade trade).

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