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https://issues.apache.org/jira/browse/CB-6928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14029312#comment-14029312
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Marcel Kinard commented on CB-6928:
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You had asked a question on the dev list about running the tests. The tests are
centralized in a separate repo: https://github.com/apache/cordova-mobile-spec
> Wrong behaviour transferring cacheable content
> ----------------------------------------------
>
> Key: CB-6928
> URL: https://issues.apache.org/jira/browse/CB-6928
> Project: Apache Cordova
> Issue Type: Bug
> Components: Plugin File Transfer
> Affects Versions: 3.5.0
> Reporter: Javier Puerto
> Priority: Minor
>
> Use case:
> Transfer resources from server to the device. To avoid unnecessary use of the
> device bandwidth, the resources that exists already are checked with the
> "If-Modified-Since" header so server can return 304 status code and update
> just in case that is needed.
> Result for Android test:
> The plugin doesn't care about the status code, if the request is success,
> open the InputStream and copy the content to the file. The problem is that a
> HTTP status of 304 has no response and that leads to a corrupted file
> transfer.
> Fix:
> If status code is 304, doesn't makes sense to process the InputStream. Read
> the status code after connection and if it's 304, skip the copy process and
> return the file entity like a success transfer.
> I've tested for Android only.
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