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reading xml file dynamically

ash chowdary
Greenhorn

Joined: Apr 23, 2009
Posts: 16
hi,

i need to read a dynamic xml file from java code.. i have googled it but got only code for static xml parsing...can any one help in this regard...thanking you in advance.
Ulf Dittmer
Marshal

Joined: Mar 22, 2005
Posts: 41096
    
  44
Can you tell us where you see the difference between static and dynamic XML parsing is? Those are not terms that are commonly used.


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ash chowdary
Greenhorn

Joined: Apr 23, 2009
Posts: 16
dynamic in the sense that, we will be getting an xml file,in which we don't know the nodes of that file except root node.
Ulf Dittmer
Marshal

Joined: Mar 22, 2005
Posts: 41096
    
  44
What are the operations that you need to perform on the XML?
ash chowdary
Greenhorn

Joined: Apr 23, 2009
Posts: 16
need to read all nodes and respective values.
Ulf Dittmer
Marshal

Joined: Mar 22, 2005
Posts: 41096
    
  44
Any API can do that: SAX, DOM, JDOM, XOM, ...
salvin francis
Ranch Hand

Joined: Jan 12, 2009
Posts: 917

hi,
All code online would be according to your defination, "static"

This is because usually a parser has an idea about the grammar
The apis mentioned will allow you to access the elements of an xml file

so say, you have the following:



and :


When you parse this with SAX,
you will come across document start eg: root
and for every tag, you will read the element start eg: name/userId
then you will read the chars within it eg: "salvin" / "java"
Now its up to you to write logic for them.
Without logic, its only known that A contains B.


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salvin francis
Ranch Hand

Joined: Jan 12, 2009
Posts: 917

also note that the example I have written is "flat" and usually xml contains nested data within tags...



So here, your code should expect that "site" is a parent for a series of elements including "name","desc","url"
also note the attributes "isMultiline" and "openInNewWindow"

what would you expect the code to do in the given xml example ?
 
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