javax.ws.rs.client

## Interface ClientRequestFilter

-     public interface ClientRequestFilter

  An extension interface implemented by client request filters. Filters implementing this interface MUST be annotated with `@Provider`. This type of filters is supported only as part of the Client API.
  Since:
    2.0
  Author:
    Marek Potociar, Santiago Pericas-Geertsen
  See Also:
    `ClientResponseFilter`

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `filter(ClientRequestContext requestContext)` Filter method called before a request has been dispatched to a client transport layer.

- - ### Method Detail

    - #### filter

          void filter(ClientRequestContext requestContext)
                      throws IOException

      Filter method called before a request has been dispatched to a client transport layer. Filters in the filter chain are ordered according to their `javax.annotation.Priority` class-level annotation value.
      Parameters:
        `requestContext` - request context.
      Throws:
        `IOException` - if an I/O exception occurs.

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