XPath Query

[mahima <ma...@hotmail.com>]

Hi All,

I want to use an XPath Query to parse an XML File. 


The XML File which I am parsing with XPath Query is:

<Packages>

	<Package>
		<ItineraryItems>
			<RoomRates>
				<RoomRate>
					<TPA_Extensions>
						<Floor Amount = 100.00>
						<Ceiling Amount = 110.00>
						<PrePromoFloor Amount = 105.00>
						<Pre PromoCeiling Amount = 115.00>
					</TPA_Extensions>
				</Roomrate>
			</RoomRates>
		</ItineraryItems>
	</Package>


<Package>
		<ItineraryItems>
			<RoomRates>
				<RoomRate>
					<TPA_Extensions>
						<Floor Amount = 110.00>
						<Ceiling Amount = 120.00>
						<PrePromoFloor Amount = 0.00>
						<Pre PromoCeiling Amount = 0.00>
					</TPA_Extensions>
				</Roomrate>
			</RoomRates>
		</ItineraryItems>
	</Package>

<Package>
		<ItineraryItems>
			<RoomRates>
				<RoomRate>
					<TPA_Extensions>
						<Floor Amount = 120.00>
						<Ceiling Amount = 130.00>
						<PrePromoFloor Amount = 0.00>
						<Pre PromoCeiling Amount = 0.00>
					</TPA_Extensions>
				</Roomrate>
			</RoomRates>
		</ItineraryItems>
	</Package>

<Package>
		<ItineraryItems>
			<RoomRates>
				<RoomRate>
					<TPA_Extensions>
						<Floor Amount = 130.00>
						<Ceiling Amount = 140.00>
						<PrePromoFloor Amount = 135.00>
						<Pre PromoCeiling Amount = 145.00>
					</TPA_Extensions>
				</Roomrate>
			</RoomRates>
		</ItineraryItems>
	</Package>

</Packages>



The XPath Query which I am using is:

//Packages/Package/ItineraryItems/RoomRates/RoomRate/TPA_Extensions[descendant::
PrePromoFloor/@Amount>0]

This XPath Query will return the following:

                                       
                                    <TPA_Extensions>
						<Floor Amount = 100.00>
						<Ceiling Amount = 110.00>
						<PrePromoFloor Amount = 105.00>
						<Pre PromoCeiling Amount = 115.00>
					</TPA_Extensions>

                                      <TPA_Extensions>
						<Floor Amount = 130.00>
						<Ceiling Amount = 140.00>
						<PrePromoFloor Amount = 135.00>
						<Pre PromoCeiling Amount = 145.00>
					</TPA_Extensions>



My objective is:

(a) To Parse an XML File and retrieve all the <TPA_Extensions> Nodes where
the Amount attribute of the <PrePromoFloor> Element is greater than zero.

(b) Once I have all the <TPA_Extensions> nodes which meet the conditions
defined in (a) above, then I want to perform some computation on Amount
attribute of all the elements in <TPA_Extensions> Node.

Now my questions are like this:

(1) Can I use a variable (in Reference Field) in XPath Extractor to retrieve
the XPath Query Response? If yes, how can I use it in Beanshell Post
Processor?

(2) If I can't use a variable to retrieve the above mentioned XPath Query
Response, then how do I use the XPath Query?
-- 
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