[MarkLogic Dev General] Image stored in marklogic server - display it from JSP

[Saptarshi Newyork]

Hi Frank,
  Thanks for your quick reply. The example I have given is bit misleading. Actually when I have loaded the image into the marklogic server, it was in the C:\ drive and I have not given any alias url name while loading. After loading to marklogic server I have removed it from the C:\ drive. 
   So I don't think that I can show it using the image tag as it will look for the source of image from the application server whereas my image is only in the marklogic server. That's why I have tried the second option to show the image by just calling the doc() function and setting the mime type. But it didn't work.
  regards,
  Saptarshi
  

Frank Rubino <frank.rubino at marklogic.com> wrote:
  Saptarshi-
Are you sure that your url is expressed relative to the app server root? That’s where I’ve been tripped up.

Frank


On 5/18/07 1:01 PM, "Saptarshi Newyork" <saptarshi.newyork at yahoo.com> wrote:

  Hi,
  
My first question is regarding display an image from JSP when the image is stored in Marklogic server.
  
 
  
I have tried 2 things in the JSP as listed below:
 

 
1. (No Result - Red cross mark in place of the image. Server could not execute the xqy file)
 

 
<image width="400" height="300" 
 
src="get-img-jpeg.xqy?uri={fn:base-uri(doc("c:/100_2754.JPG")))"/>
 

 
Here I have tried to call a XQY file with the input of the uri of the image. The XQY file has the code like the following:
 

 
module "http://www.w3.org/2003/05/xpath-functions"
 
let $uri := xdmp:get-request-field("uri")
 
return (xdmp:set-response-content-type("image/jpeg"), doc($uri))
 

 
It does not show me the image. I want to know 
 
     i)  How can I call an xqy file from a JSP?
 
     ii) Can I define XQY functions inside a JSP? What will be the syntax?
 

 
2. (return nothing)
 

 
<xq:execute >
 
  <xq:query>
 
      let $uri := fn:base-uri(doc("100_2754.JPG"))
 
      return (xdmp:set-response-content-type("image/jpeg"), doc($uri))
 
 </xq:query>
 
</xq:execute>
 

 

 
I don't want to store the images in the file system and want to store them in marklogic. Please tell what shall be the right way to solve this problem.
 

 
Please also let me know if it is possible to define xquery function in the JSP and call XQY from JSp?
 
 
  
Thanks in advance,
 
Regards,
 
Saptarshi

  
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Frank Rubino

 Consultant, Publishing 

Mark Logic Corporation 

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+1 862 452 2516 Mobile

frank.rubino at marklogic.com 
www.marklogic.com 

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