RayTigerZ commented on issue #3539:
URL:
https://github.com/apache/servicecomb-java-chassis/issues/3539#issuecomment-1364489356
DefaultHttpClientFilter这段代码完成类型的确认和转化
```
JavaType responseType = invocation.findResponseType(responseEx.getStatus());
result = produceProcessor.decodeResponse(responseEx.getBodyBuffer(),
responseType);
Response response = Response.create(responseEx.getStatusType(), result);
```
CseClientHttpRequest没有进行类型的转化，包装一下就完了
```
private CseClientHttpResponse invoke(Map<String, Object> swaggerArguments) {
Invocation invocation = prepareInvocation(swaggerArguments);
Response response = doInvoke(invocation);
if (response.isSucceed()) {
return new CseClientHttpResponse(response);
}
throw ExceptionFactory.convertConsumerException(response.getResult());
}
```
CseHttpMessageConverterExtractor拆取时也没有类型转换
```
public class CseHttpMessageConverterExtractor<T> implements
ResponseExtractor<T> {
@Override
@SuppressWarnings("unchecked")
public T extractData(ClientHttpResponse response) throws IOException {
return (T) ((CseClientHttpResponse) response).getResult();
}
}
```
CSERestTemplate继承RestTemplate的方法，也没有进行类型转换
```
@Nullable
protected <T> T doExecute(URI url, @Nullable HttpMethod method,
@Nullable RequestCallback requestCallback,
@Nullable ResponseExtractor<T> responseExtractor)
throws RestClientException {
Assert.notNull(url, "URI is required");
Assert.notNull(method, "HttpMethod is required");
ClientHttpResponse response = null;
try {
ClientHttpRequest request = createRequest(url, method);
if (requestCallback != null) {
requestCallback.doWithRequest(request);
}
response = request.execute();
handleResponse(url, method, response);
return (responseExtractor != null ?
responseExtractor.extractData(response) : null);
}
catch (IOException ex) {
String resource = url.toString();
String query = url.getRawQuery();
resource = (query != null ? resource.substring(0,
resource.indexOf('?')) : resource);
throw new ResourceAccessException("I/O error on " +
method.name() +
" request for \"" + resource + "\": " +
ex.getMessage(), ex);
}
finally {
if (response != null) {
response.close();
}
}
}
```
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