I was trying with the examples given at
http://www.yukonxml.com/articles/xquery/ by using saxon8.jar. Iam able to
sort only ONE time means i can sort by COUNTRY & not by STATE & vise versa
also a part of the xml code will be missed in the output.
Input XML File: countryinfo.xml
<?xml version="1.0" encoding="UTF-8"?>
<World>
<Country name="Pakistan">
<State name="Karachi" population="999"/>
<State name="Islamabad" population="900"/>
<State name="Rawalpandi" population="909"/>
</Country>
<Country name="India">
<State name="Bangalore" population="100"/>
<State name="AP" population="200"/>
<State name="Madras" population="300"/>
<State name="Delhi" population="600"/>
</Country>
</World>
Query to sort by Country:
Query: for $country in doc("countryinfo.xml")/World/Country
order by $country/@name ascending
return $country
OutPut:
<?xml version="1.0" encoding="UTF-8"?>
<Country name="India">
<State name="Bangalore" population="100"/>
<State name="AP" population="200"/>
<State name="Madras" population="300"/>
<State name="Delhi" population="600"/>
</Country>
<Country name="Pakistan">
<State name="Karachi" population="999"/>
<State name="Islamabad" population="900"/>
<State name="Rawalpandi" population="909"/>
</Country>
Query to sort by State:
Query: for $country in doc("countryinfo.xml")/World/Country/State
order by $country/@name ascending
return $country
OutPut:
<?xml version="1.0" encoding="UTF-8"?>
<State name="AP" population="200"/>
<State name="Bangalore" population="100"/>
<State name="Delhi" population="600"/>
<State name="Islamabad" population="900"/>
<State name="Karachi" population="999"/>
<State name="Madras" population="300"/>
<State name="Rawalpandi" population="909"/>
Java Program:
import net.sf.saxon.Query;
public class SortXMLData {
public static void main(String[] args) {
Query query = new Query();
String arg[] = {"C:/countryinfo.xq"}; // contains query
try{
query.main(arg);
} catch(Exception ex){
System.out.println("Exception: "+ex);
}
}
}
- Khan
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