Question mapping

Hi all,

I want to compare different value of a node with occurrence 1..n.

I need to put into value1 the integer with the max value of the n nodes.

For example:

I have this structure:

<MAIN>

     <NODE>

          <value1></value1>

     </NODE>

</MAIN>

In my case, i recieved this file:

<MAIN>

     <NODE>

          <value1>1</value1>

     </NODE>

     <NODE>

          <value1>2</value1>

     </NODE>

     <NODE>

          <value1>3</value1>

     </NODE>

</MAIN>

Exist any form (in JAVA or UDF wiithout ccBPM & PBM ) to compare elements of different nodes (node ocurrence 0 [value 1] with node with ocurrence 1  [value 2])?

The solution should be:

<MAIN>

     <NODE>

          <value1>3</value1>

     </NODE>

</MAIN>

Thanks.

Regards.