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XPath - match nodes on two levels

Jeppe Sommer
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Joined: Jan 07, 2004
Posts: 270
Hi.

I want to use xpath to match the second companySetup node in the XML below (if and only if two criterias matches). Let's say I want the companySetup with the attribute companyID="1" and the sub node /companySetup/canteen/canteenID with the text value = 50.

I tried to execute the xpath below, but it returns the first companySetup node which has the canteenID text value = 20.

Any help would be appreciated.

The XML looks like:
g tsuji
Ranch Hand

Joined: Jan 18, 2011
Posts: 509
    
    3
Like this.
Jeppe Sommer
Ranch Hand

Joined: Jan 07, 2004
Posts: 270
Thanks.

Simple and easy
Jeppe Sommer
Ranch Hand

Joined: Jan 07, 2004
Posts: 270
How can I get the list of all canteenIDs (50,51,52) which belongs to companyID="1"?

I have tried with the expressions:
String expression = "/invoice/companySetup[@companyID='1']/canteen/canteenID"

and

String expression = "/invoice/companySetup[@companyID='1' and canteen/canteenID]"

but it didn't work.

g tsuji
Ranch Hand

Joined: Jan 18, 2011
Posts: 509
    
    3
How can I get the list of all canteenIDs (50,51,52) which belongs to companyID="1"?

I have tried with the expressions:
String expression = "/invoice/companySetup[@companyID='1']/canteen/canteenID"

This path seems just fine. Only, if you continue to use selectSingleNode() as shown in your first post, you won't possibly get them as such. You can certainly use selectNodes() (read the documentation) as a sort of natural continuity.

But you should notice from the documentation that selectSingleNode() and selectNodes() and many others are deprecated for some time. You should look for the use of XPathExpression and Filter etc... to do it in the future. It's up to you.
 
It is sorta covered in the JavaRanch Style Guide.
 
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