com.fasterxml.jackson.databind.ser

## Class FilterProvider

- java.lang.Object
- - com.fasterxml.jackson.databind.ser.FilterProvider

- Direct Known Subclasses:
    SimpleFilterProvider

      public abstract class FilterProvider
      extends Object

  Interface for objects that providers instances of `BeanPropertyFilter` that match given ids. A provider is configured to be used during serialization, to find filter to used based on id specified by `JsonFilter` annotation on bean class.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `FilterProvider()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `abstract BeanPropertyFilter` | `findFilter(Object filterId)` Lookup method used to find `BeanPropertyFilter` that has specified id.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### FilterProvider

          public FilterProvider()

  - ### Method Detail

    - #### findFilter

          public abstract BeanPropertyFilter findFilter(Object filterId)

      Lookup method used to find `BeanPropertyFilter` that has specified id. Note that id is typically a `String`, but is not necessarily limited to that; that is, while standard components use String, custom implementation can choose other kinds of keys.
      Returns:
        Filter registered with specified id, if one defined; null if none found.

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