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Posted to httpclient-users@hc.apache.org by Eugeny N Dzhurinsky <bo...@redwerk.com> on 2006/07/13 14:43:28 UTC
URI unicity
I have a requirement to avoid dupolicated URIs in database.
For example, URLs like
http://somedomain.com/path1?query1 and http://somedomain.com/path2?query2
should be considered as same url, but
http://somedomain.com/~username1 and http://somedomain.com/~username2 are not,
and finally
http://somedomain.com/~username1/path1 and
http://somedomain.com/~username1/path2?query should be considered as same.
Is there any way I can perform this validation using URI class?
--
Eugene N Dzhurinsky
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Re: http response question
Posted by Roland Weber <ht...@dubioso.net>.
Hello Ole,
> I am POST:ing to a gSoap server which returns the following http response:
>
> Status: 200 OK\r\n
> Server: gSOAP/2.7\r\n
> Content-Type: text/xml; charset=utf-8\r\n
> Content-Length: 1361\r\n
> Connection: close\r\n \r\n
This is not an HTTP response. All HTTP responses start with HTTP/,
followed by the protocol version number. The status line must be
one of the following:
HTTP/1.1 200 OK
HTTP/1.0 200 OK
but surely not "Status:" anything.
> is there any setting in httpclient which enables
> it to handle the above response?
No.
cheers,
Roland
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http response question
Posted by Ole Matzura <ol...@eviware.com>.
Hi all!
I am POST:ing to a gSoap server which returns the following http response:
Status: 200 OK\r\n
Server: gSOAP/2.7\r\n
Content-Type: text/xml; charset=utf-8\r\n
Content-Length: 1361\r\n
Connection: close\r\n
\r\n
which results in
org.apache.commons.httpclient.ProtocolException: The server 10.203.133.2 failed
to respond with a valid HTTP response
(no status line!?)
is this indeed invalid? is there any setting in httpclient which enables
it to handle the above response?
thanks for any help !
regards,
/Ole
eviware.com
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Re: URI unicity
Posted by Roland Weber <ht...@dubioso.net>.
Hello Eugeny,
> No, I didn't. Could you please explain (or point me to documentation where it
> is explained) what exactly authority is?
These might help:
http://www.ietf.org/rfc/rfc2396.txt
http://wiki.apache.org/jakarta-httpclient/ReferenceMaterials
There is also the source code of the URI class,
though I recommend to stay away from it.
Or you just create a really complex URI, like
http://uid:pwd@hostname:portnumber/path/and?query=with#anchor
and see what you get.
cheers,
Roland
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Re: URI unicity
Posted by Eugeny N Dzhurinsky <bo...@redwerk.com>.
On Fri, Jul 14, 2006 at 06:55:09PM +0200, Roland Weber wrote:
> Hello Eugeny,
>
> > Actually I did in this way, but I didn't find a way how I can set host in URI.
>
> That's a question of terminology. Have you tried to use get/setAuthority?
> Because the authority may also include a port number, for example.
No, I didn't. Could you please explain (or point me to documentation where it
is explained) what exactly authority is?
--
Eugene N Dzhurinsky
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Re: URI unicity
Posted by Roland Weber <ht...@dubioso.net>.
Hello Eugeny,
> Actually I did in this way, but I didn't find a way how I can set host in URI.
That's a question of terminology. Have you tried to use get/setAuthority?
Because the authority may also include a port number, for example.
cheers,
Roland
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Re: URI unicity
Posted by Eugeny N Dzhurinsky <bo...@redwerk.com>.
On Thu, Jul 13, 2006 at 06:33:03PM +0200, Roland Weber wrote:
> Hello Eugeny,
>
> > http://somedomain.com/path1?query1 and http://somedomain.com/path2?query2
> > should be considered as same url, but
> why should /path1 be considered the same as /path2?
> It doesn't make sense to me, but it doesn't have to.
Actually I need to provide a way to avoid users provide URLs which are
pointing to the same website.
> > http://somedomain.com/~username1 and http://somedomain.com/~username2 are not,
> >
> > and finally
> >
> > http://somedomain.com/~username1/path1 and
> > http://somedomain.com/~username1/path2?query should be considered as same.
> >
> > Is there any way I can perform this validation using URI class?
>
> If you expect the URI class to figure out what anybody might consider
> same or different, the answer is no.
Sure I don't expect this ;)
> If you understand that it is your
> application that needs to do the comparison and the URI class is used
> only to hold the URIs, the answer is yes.
> What you have to do is to pick everything that is relevant for the
> comparison, and remove everything that should be ignored. Such a step
> is called normalization. Once you have your URLs normalized, you can
> then use plain .equals() to check whether they are equal.
Actually I did in this way, but I didn't find a way how I can set host in URI.
For instance, I needed to remove "^www." if exists in URI, there is method
getHost(), but no setHost(). So I finished with comparing strings created like
this
url.getSchema()+"://"+updateHost+url.getPath()
And I don't like this approach.
--
Eugene N Dzhurinsky
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Re: URI unicity
Posted by Roland Weber <ht...@dubioso.net>.
Hello Eugeny,
> http://somedomain.com/path1?query1 and http://somedomain.com/path2?query2
> should be considered as same url, but
why should /path1 be considered the same as /path2?
It doesn't make sense to me, but it doesn't have to.
> http://somedomain.com/~username1 and http://somedomain.com/~username2 are not,
>
> and finally
>
> http://somedomain.com/~username1/path1 and
> http://somedomain.com/~username1/path2?query should be considered as same.
>
> Is there any way I can perform this validation using URI class?
If you expect the URI class to figure out what anybody might consider
same or different, the answer is no. If you understand that it is your
application that needs to do the comparison and the URI class is used
only to hold the URIs, the answer is yes.
What you have to do is to pick everything that is relevant for the
comparison, and remove everything that should be ignored. Such a step
is called normalization. Once you have your URLs normalized, you can
then use plain .equals() to check whether they are equal.
cheers,
Roland
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