javax.servlet.http

## Interface HttpUpgradeHandler

-     public interface HttpUpgradeHandler

  This interface encapsulates the upgrade protocol processing. A HttpUpgradeHandler implementation would allow the servlet container to communicate with it.
  Since:
    Servlet 3.1

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `destroy()` It is called when the client is disconnected.
    `void` | `init(WebConnection wc)` It is called once the HTTP Upgrade process has been completed and the upgraded connection is ready to start using the new protocol.

- - ### Method Detail

    - #### init

          void init(WebConnection wc)

      It is called once the HTTP Upgrade process has been completed and the upgraded connection is ready to start using the new protocol.
      Parameters:
        `wc` - the WebConnection object associated to this upgrade request

    - #### destroy

          void destroy()

      It is called when the client is disconnected.

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