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How to detect Internet speed ??

Posted on 2002-05-19
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I have a pure java program and it will downlod some file from server. When it download files from server, simetime it will take long time if files size is big. I plan to use JProgressBar to show user the progress. But I have a problem to calculate the total time for download. Actually I have below two question:
1) how to detect the Internet speed
2) how to get file size in server side--suppose I have URL for file in server side.

If I can handle above two problems, I can get total download time. Then I can use JProgressBar. Tahnks
gary
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Question by:garyshi
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> 1) how to detect the Internet speed

The only way to get this is to calculate it by tracking the number of bytes recieved and the time taken to recieve them. And even then it is only an estimate, plus it's always changing.

> 2) how to get file size in server side--suppose I have
> URL for file in server side.

Try using getCOntentLength() method of URLConnection.
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