Hi Arnab,
now I guess I realize your problem. I even just read the JavaDoc of
HttpClient version 4, which says "Closing the input stream will trigger
connection release". So with this up2date version you won't have any
problems.
If you really need to close the connection yourself and/or you don't
want to upgrade, subclassing StreamingResolution should help. Design
your subclass to hold the HttpClient (or whatever you need to release
the connection). A very simple approach (untested code):
************************************************************************
public class HttpClientStreamingResolution extends StreamingResolution {
private GetMethod getMethod;
public HttpClientStreamingResolution(
String contentType,
GetMethod getMethod) {
// calling super constructor
super(contentType, getMethod.getResponseBodyAsStream());
this.getMethod = getMethod;
}
@Override
protected void stream(HttpServletResponse response) throws Exception {
super.stream(response);
getMethod.releaseConnection();
}
}
************************************************************************
Regards
Marcus
arnab_ghosh schrieb:
> Hi Marcus,
>
> Thanks once again for such prompt reply.
> I understood the the stream will be closed. But this HttpClient creates a
> connection for fetching the response. It says that the connection should be
> released, once response is read.
>
> I will provide you the code snippet for your help:
> try {
> GetMethod getMethod = new GetMethod(assetURL);
> int statusCode = httpClient.executeMethod(getMethod);
>
> log.info("statusCode : {}", statusCode);
>
> // Wrap the InputStream in a BufferedInputStream
> bufferedInputstream = new
> BufferedInputStream(getMethod.getResponseBodyAsStream());
>
> // Get the content type of the file
> contentType = getMethod.getResponseHeader("content-type").getValue();
> log.info("The contentType : {}", contentType);
>
> // Create a StreamingResolution with inputStream
> streamingResolution = new StreamingResolution(contentType,
> bufferedInputstream);
>
> } catch (IOException ioEx) {
> log.error("Error occurred: " + ioEx.getMessage(), ioEx);
> } finally {
>
> getMethod.releaseConnection(); // This line if presently closes the
> Stream abruptly
> }
>
> // set the fileName in the StreamingResolution.This in turn sets the
> appropriate response header.
> streamingResolution.setFilename(fileName + "." + extension);
>
> // return the FileInputStream wrapped in the resolution
> return streamingResolution;
>
> execute method will close the Stream but how will the connection be
> released?
>
>
>
> Regards
> Arnab
>
> M.C.S. wrote:
>
>> Hi Arnab,
>>
>> arnab_ghosh wrote:
>>
>>> I have used HttpClient for getting the InputStream from a web service.
>>> Will
>>> the StreamingResolution also release the connection?
>>>
>>>
>> after streaming the StreamingResolution will close any InputStream you
>> pass on to it. It does not matter where you obtained the stream.
>>
>> Regards
>> Marcus
>>
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>
>
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