Can I use Same TCP connection(for HTTP) to get the response fromserver

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Matrixinline - 22 Jun 2007 13:48 GMT

Hi,

I am writing a browser application.

I just wnat to know is their any way to use the same HttpURLConnection
to be re use to fetch the data from another URL.

I know it is a silly question as Http is a Stateless application but I
am querious to know more about Keep - Alive persitance connection at
server end. as we know that Server can keep connection open if keep
alive is mentioned in the header.

Thanks
Anup

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Lothar Kimmeringer - 22 Jun 2007 14:52 GMT

> I just wnat to know is their any way to use the same HttpURLConnection
> to be re use to fetch the data from another URL.

No but HttpUrlConnection is using the same connection if
"keep-alive" is supported. But to you, this kind of
functionality is hidden and happens "automagically".

Regards, Lothar

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bencoe@gmail.com - 22 Jun 2007 22:50 GMT

On Jun 22, 9:52 am, Lothar Kimmeringer <news200...@kimmeringer.de>
wrote:

> > I just wnat to know is their any way to use the same HttpURLConnection
> > to be re use to fetch the data from another URL.
[quoted text clipped - 10 lines]
> Always remember: The answer is forty-two, there can only be wrong
> questions!

Are you hoping to get stuff rendering eventually for this web-browser
you're working on, you might try playing with an existing library:

may I suggest this...

http://html.xamjwg.org/cobra.jsp

It supports style sheets and other neat things, it also has a few
memory leaks I found when I was working with the library, I should
probably tell them about these ;)

But if you're really interested in how HTTP connections and parsing
HTML documents can be done, I recommend this as a starting point... It
uses a DOM (document object model), which you will certainly want to
learn - It' used by parsing libraries like Xerces.

-----
Ben.
http://www.plink-search.com

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Lothar Kimmeringer - 23 Jun 2007 13:58 GMT

> Are you hoping to get stuff rendering eventually for this web-browser
> you're working on, you might try playing with an existing library:

I'm not trying to render anything. I even haven't asked a
question in this thread.

Regards, Lothar

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Lew - 23 Jun 2007 14:02 GMT

>> Are you hoping to get stuff rendering eventually for this web-browser
>> you're working on, you might try playing with an existing library:
>
> I'm not trying to render anything. I even haven't asked a
> question in this thread.

I don't know, this is just a WAG, but perhaps bencoe's comment was intended
for the OP with respect to the primary topic of the thread, which of course,
you did not initiate and thus probably were not the antecedent.

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Lew

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bencoe@gmail.com - 23 Jun 2007 17:01 GMT

> > ben...@gmail.com wrote:
>
[quoted text clipped - 10 lines]
> --
> Lew

Sorry Lothar, that was meant as a reply to the original message, as
Lew suggests.

Ben.

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Matrixinline - 25 Jun 2007 11:58 GMT

On Jun 23, 9:01 am, ben...@gmail.com wrote:

> > > ben...@gmail.com wrote:
>
[quoted text clipped - 15 lines]
>
> Ben.

One more Please

When I say HttpURLConnection.close() does it close the TCP Connection
even if Keep Alive is true?

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Lothar Kimmeringer - 26 Jun 2007 23:01 GMT

> When I say HttpURLConnection.close() does it close the TCP Connection
> even if Keep Alive is true?

There is no close()-method but if you mean disconnect(), just
read the Javadoc:

http://java.sun.com/j2se/1.4.2/docs/api/java/net/HttpURLConnection.html#disconnect()

| Indicates that other requests to the server are unlikely in the
| near future. Calling disconnect() should not imply that this
| HttpURLConnection instance can be reused for other requests.

So it's a definitely "maybe, it depends on the concrete
implementation and should only be seen as suggestion to it
when used".

Regards, Lothar

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Can I use Same TCP connection(for HTTP) to get the response fromserver

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