hc-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ramesh Nethi" <mli...@imorph.com>
Subject RE: HttpClient query...
Date Thu, 07 Oct 2004 14:49:07 GMT
Sorry group, Pl ignore the email. It was a mistake. 

Regards
Nethi
> -----Original Message-----
> From: Ramesh Nethi [mailto:mlists@imorph.com]
> Sent: Thursday, October 07, 2004 7:57 PM
> To: 'Commons HttpClient Project'
> Subject: RE: HttpClient query...
> 
> Yeah. I noticed that.
> 
> Srikanth mentioned about this clustering engine called www.clusty.com 
> . I just searched for "infominder". It displays the clusters on the 
> left side.
> Couple of interesting things there:  we get grouped with 
> TrackEngine.com and "Library"
> 
> Regards
> Nethi
>  
> 
> > -----Original Message-----
> > From: Srinivas Velidanda [mailto:svelidanda@yahoo.com]
> > Sent: Thursday, October 07, 2004 7:03 PM
> > To: commons-httpclient-dev@jakarta.apache.org
> > Subject: Re: HttpClient query...
> > 
> > Hi,
> >  
> > Greetings.
> >  
> > I am running into problems, as you have mentioned, i was trying to 
> > work with an Applet. Couldn't set security permissions and
> even if I
> > set the permissions there could be problems with setting the user 
> > credentials.
> >  
> > I do not know how I can make the applet access the files at client 
> > side.
> >  
> > So, pl let me know how can I create a multipart request using 
> > HttpClient api or
> >  
> > --how can I read the files from the file system once I get
> the drive
> > and directory names from the client by using javascript, I searched 
> > the internet but couldn't find any samples to generate html
> form using
> > javascript and that must create file items dynamically by
> reading the
> > files from the file system.
> >  
> > I thought of all the options that I could, but not getting
> a solution,
> > which is  very urgent.
> >  
> > Pl. suggest me a solution.
> >  
> > thanks for the help,
> >  
> > Srinivas. 
> > 
> > Roland Weber <ROLWEBER@de.ibm.com> wrote:
> > Hello Srinivas,
> > 
> > I think some people have succeeded in using HttpClient from
> an applet. 
> > Remember you will have to sign the applet in order to access the 
> > client file system. But you could run into problems
> accessing the user
> > credentials in the applet.
> > 
> > You could also try to write JavaScript code which generates an HTML 
> > form, including one file element for every file in the
> directory. In
> > that case, the browser would take care of building the HTTP request 
> > and adding user credentials. The problem once more is to access the 
> > file system from the script code.
> > 
> > Using a combination of both could work out. It is possible to call 
> > JavaScript from an applet and vice versa. So you could write (and
> > sign!) an applet that creates a directory listing, then use that 
> > listing in JavaScript to create a form which is then posted by the 
> > browser to the server.
> > 
> > Other ideas?
> > 
> > cheers,
> > Roland
> > 
> > 
> > 
> > 
> > Srinivas Velidanda
> > 06.10.2004 13:43
> > Please respond to
> > "Commons HttpClient Project"
> > 
> > 
> > To
> > commons-httpclient-dev@jakarta.apache.org
> > cc
> > 
> > Subject
> > Re: HttpClient query...
> > 
> > 
> > 
> > 
> > 
> > 
> > Hi,
> > 
> > Thanks for your help.
> > 
> > I found the samples specified by you very much useful.
> > 
> > I got it working with my JSP by sending user credential parameters 
> > which were required at my server.
> > 
> > Now the problem is making the same with an applet as it is
> not working
> > from remote client accessing the JSP.
> > 
> > The flow is like this.
> > 
> > I have a screen where I enter drive name, and directory to
> be uploaded
> > and in the next JSP I get the files of specified folder and create 
> > multipart request and send to the server along with User
> credentials.
> > 
> > Everything is working fine on the system which both client
> and server
> > are running. But If I try the same from remote client then It is 
> > looking for files in the folder specified by client in
> server which is
> > generating null pointer exception.
> > 
> > Now I need to make the functionality of creating the
> multipart request
> > at client side, I am planning to do it in the applet.
> > 
> > Is it the right way to go for an applet, or can you suggest me some 
> > other solution..
> > 
> > thanks,
> > Srinivas.
> > 
> > Roland Weber wrote:
> > Hello Srinivas,
> > 
> > you are using HttpClient from within a JSP to connect to the server 
> > that is running the JSP? Or to a different server?
> > 
> > If you want to set request parameters, you don't do that before 
> > creating the multipart request. You create the multipart
> request, then
> > add the parameters using
> > MP.addParameter(..) or MP.addPart(...).
> > Just make sure to add all required parameters before you
> *execute* the
> > method. See also the web site at
> > 
> > http://jakarta.apache.org/commons/httpclient/methods/multipart
> > post.html
> > 
> > The sample code for multipart file upload is for the 2.0
> API, but it
> > should be helpful anyway. Go straight to the
> "actionPerformed" method:
> > 
> > http://cvs.apache.org/viewcvs.cgi/jakarta-commons/httpclient/s
> rc/examples/?only_with_tag=HTTPCLIENT_2_0_BRANCH
> > 
> > 
> > cheers,
> > Roland
> > 
> > 
> > 
> > 
> > 
> > Srinivas Velidanda
> > 05.10.2004 14:00
> > Please respond to
> > "Commons HttpClient Project"
> > 
> > 
> > To
> > Commons HttpClient Project
> > cc
> > 
> > Subject
> > Re: HttpClient query...
> > 
> > 
> > 
> > 
> > 
> > 
> > Hi Roland,
> > thanks for the reply.
> > 
> > I am new to this API and pl let me know how can I do the following.
> > 
> > 1. can I set the same parameters coming from the session before 
> > creating Multipart request to the Multipart request, if
> yes, how can I
> > set and how can these parameters can be referred at the server side.
> > 
> > 2.I am getting the session parameters in the JSP where I am
> creating
> > Multipart request, but once I post the Multipart request to
> the server
> > the
> > 
> > session is getting killed.
> > 
> > We are not working with cookies.
> > 
> > Is there a solution without using cookies or I must go for cookies..
> > 
> > thanks,
> > 
> > Srinivas
> > 
> > Roland Weber wrote:
> > Hello Srinivas,
> > 
> > if the session is handled by a session cookie, just make
> sure you use
> > the same HttpState object for all requests. That should happen 
> > automagically if you do nothing special and re-use one
> HttpClient for
> > all requests.
> > 
> > If the server uses URL rewriting because it believes that
> the client
> > can't handle cookies, you have a problem. You will have to parse 
> > server responses in order to extract URLs with the session
> information
> > encoded in them. Or convince the server to send cookies.
> > 
> > hope that helps,
> > Roland
> > 
> > 
> > 
> > 
> > 
> > Srinivas Velidanda
> > 05.10.2004 13:32
> > Please respond to
> > "Commons HttpClient Project"
> > 
> > 
> > To
> > commons-httpclient-dev@jakarta.apache.org
> > cc
> > 
> > Subject
> > HttpClient query...
> > 
> > 
> > 
> > 
> > 
> > 
> > Hi,
> > 
> > I am using HttpClient (commons-httpclient-3.0-alpha2) api for file 
> > upload.
> > 
> > How to handle a session if I am creating a MultipartPost
> request in a
> > JSP and posting the request using client.executeMethod(mPost) to a 
> > servlet URL.
> > 
> > Once I send the request the session is getting killed and could not 
> > pass on the request to a specific handler in sequence..
> > 
> > Pl. let me know how to handle the session, if possible send me some 
> > sample
> > 
> > 
> > code for that.
> > 
> > thanks in advance..
> > 
> > Srinivas.
> > 
> > 
> > 
> > ---------------------------------
> > Do you Yahoo!?
> > New and Improved Yahoo! Mail - Send 10MB messages!
> > 
> > 
> > ---------------------------------
> > Do you Yahoo!?
> > Yahoo! Mail Address AutoComplete - You start. We finish.
> > 
> > 
> > 
> > ---------------------------------
> > Do you Yahoo!?
> > vote.yahoo.com - Register online to vote today!
> > 
> > 		
> > ---------------------------------
> > Do you Yahoo!?
> > vote.yahoo.com - Register online to vote today!
> > 
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: 
> commons-httpclient-dev-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: 
> commons-httpclient-dev-help@jakarta.apache.org
> 


---------------------------------------------------------------------
To unsubscribe, e-mail: commons-httpclient-dev-unsubscribe@jakarta.apache.org
For additional commands, e-mail: commons-httpclient-dev-help@jakarta.apache.org


Mime
View raw message