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## org.springframework.web.client
Interface ResponseExtractor<T>

All Known Implementing Classes:
  HttpMessageConverterExtractor

    public interface ResponseExtractor<T>

Generic callback interface used by `RestTemplate`'s retrieval methods Implementations of this interface perform the actual work of extracting data from a `ClientHttpResponse`, but don't need to worry about exception handling or closing resources.

Used internally by the `RestTemplate`, but also useful for application code.

Since:
  3.0
Author:
  Arjen Poutsma
See Also:
  `RestTemplate.execute(java.lang.String, org.springframework.http.HttpMethod, org.springframework.web.client.RequestCallback, org.springframework.web.client.ResponseExtractor, java.lang.Object...)`

Method Summary
`T` | `extractData(ClientHttpResponse response)` Extract data from the given `ClientHttpResponse` and return it.

Method Detail

### extractData

    T extractData(ClientHttpResponse response)
                  throws IOException

  Extract data from the given `ClientHttpResponse` and return it.

  Parameters:
    `response` - the HTTP response
  Returns:
    the extracted data
  Throws:
    `IOException` - in case of I/O errors

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