Subject: Re: XPath problems using JDom

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Subject: Re: XPath problems using JDom

Subject: Re: XPath problems using JDom

2007-10-22 - By Grzegorz Kaczor

Back
Hi,

remove space in "xmlns" attribute in the XML document :).

Regards,
Grzegorz

2007/10/22, Bhave, Ameya <bhaveameya@(protected)>:
>
> Hi,
>
> I have read some of the literature on this subject in the archives, and am
> still unable to sort my problem out. Basically I am trying to read an xml
> file using an xpath expression.
>
> My xml file looks like this:
>
> -- ---
> <?xml version="1.0" encoding="UTF-8 (See http://UTF-8.ora-code.com)"?>
> <OTA_AirLowFareSearchRQ EchoToken="0" MaxResponses="20"
> Mode="MasterPricer" SequenceNmbr="0" Target="Amadeus" xmlns="
> http://www.opentravel.org/OTA/2003/05"
> xmlns:helper="xalan://com.openjaw.rules.XSLHelper" xmlns:xalan="http://xml
.apache.org/xalan
> ">
> <POS>
> <Source ISOCurrency="GBP" PseudoCityCode="1AC">
> <ns1:RequestorID
> ID="H6265/AAA/32835/2006/41000/OPENJAW/MERLIN" ID_Context="ABTA" xmlns:ns1="
> http://www.opentravel.org/OTA/2003/05" xmlns:ns2="
> http://www.tui-uk.co.uk/OTA_EXT/2006" xmlns:ns3="
> http://www.openjawtech.com/2005" xmlns:ns4="
> http://www.opentravel.org/OTA/2002/08"/>
> </Source>
> </POS>
> <OriginDestinationInformation>
> <DepartureDateTime>2007-10-23T00:00:00.000+01:00
> </DepartureDateTime>
> <OriginLocation CodeContext="IATA" LocationCode="LGW"/>
> <DestinationLocation CodeContext="IATA" LocationCode="PMI"/>
> </OriginDestinationInformation>
> <OriginDestinationInformation>
> <DepartureDateTime>2007-10-30T00:00:00</DepartureDateTime>
> <OriginLocation CodeContext="IATA" LocationCode="PMI"/>
> <DestinationLocation CodeContext="IATA" LocationCode="LGW"/>
> </OriginDestinationInformation>
> <TravelerInfoSummary>
> <AirTravelerAvail>
> <PassengerTypeQuantity Code="ADT" Quantity="2"/>
> <PassengerTypeQuantity Code="CHD" Quantity="3"/>
> </AirTravelerAvail>
> </TravelerInfoSummary>
> </OTA_AirLowFareSearchRQ>
>
> -- ---
>
> And the code to access the info (using xpath) is:
>
> -- ----
> public static void getXPathValue(File file)
> {
> Document xmlDoc = getDocumentForFile(file);
>
> try
> {
> // XPath.setXPathClass(org.jaxen.jdom.JDOMXPath.class);
> XPath xPath = XPath.newInstance("/ota:OTA_AirLowFareSearchRQ/ota
:OriginDestinationInformation");
>
> xPath.addNamespace("ota", "http://www.opentravel.org/OTA/2003/05");
> //default ns
>
> xPath.addNamespace("helper",
> "xalan://com.openjaw.rules.XSLHelper");
> xPath.addNamespace("xalan", "http://xml.apache.org/xalan");
> xPath.addNamespace("ns2", " http://www.tui-uk.co.uk/OTA_EXT/2006
> ");
> xPath.addNamespace("ns1", "http://www.openjawtech.com/2005");
> xPath.addNamespace("ns3", " http://www.opentravel.org/OTA/2002/08");
>
>
>
>
>
> List nodes = xPath.selectNodes(xmlDoc);
> System.out.println("Nodes = " + nodes);
>
> }
> catch (Exception e)
> {
> System.out.println("Error: " + e);
> e.printStackTrace(System.out);
> }
> }
> -- ----
>
> The problem is that the list I get is empty.
>
> --
> __ ____ ____ ____ ____ _____
> Yours ever,
> Ameya Bhave
> (M) +44 07894080785
> (H) +44 02476410217
> (E) ameya@(protected)
> __ ____ ____ ____ ____ ____ ____ ____ ____ ____
> To control your jdom-interest membership:
> http://www.jdom.org/mailman/options/jdom-interest/youraddr@(protected)
>

--
"Cho? tyle wiemy w?asnym do?wiadczeniem:
W nas jest Raj, Piek?o - i do obu - szlaki."
J.K.

Hi, remove space in "xmlns" attribute in the XML document :).
 Regards, Grzegorz <div>2007/10/22,
Bhave, Ameya <<a href="mailto:bhaveameya@(protected)">bhaveameya@(protected)
</a>>:<blockquote class="gmail_quote" style="border-left: 1px solid
rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Hi, I
have read some of the literature on this subject in the archives, and am still
unable to sort my problem out. Basically I am trying to read an xml file using
an xpath expression.
 My xml file looks like this:
 -- --- <?xml version="1.0" encoding="UTF-8 (See http://UTF-8.ora-code.com)"?
> <OTA_AirLowFareSearchRQ EchoToken="0" MaxResponses="20
" Mode="MasterPricer" SequenceNmbr="0" Target=&quot
;Amadeus" xmlns="
<a href="http://www.opentravel.org/OTA/2003/05" target="_blank" onclick="return
top.js.OpenExtLink(window,event,this)">http://www.opentravel.org/OTA/2003/05</a
>" xmlns:helper="xalan://com.openjaw.rules.XSLHelper" xmlns:xalan
="
<a href="http://xml.apache.org/xalan" target="_blank" onclick="return top.js
.OpenExtLink(window,event,this)">http://xml.apache.org/xalan
</a>">     <POS>      
   <Source ISOCurrency="GBP" PseudoCityCode="1AC
">             <ns1
:RequestorID ID="H6265/AAA/32835/2006/41000/OPENJAW/MERLIN" ID_Context
="ABTA" xmlns:ns1="
<a href="http://www.opentravel.org/OTA/2003/05" target="_blank" onclick="return
top.js.OpenExtLink(window,event,this)">http://www.opentravel.org/OTA/2003/05</a
>" xmlns:ns2="<a href="http://www.tui-uk.co.uk/OTA_EXT/2006" target="
_blank" onclick="return top.js.OpenExtLink(window,event,this)">
http://www.tui-uk.co.uk/OTA_EXT/2006</a>" xmlns:ns3="
<a href="http://www.openjawtech.com/2005" target="_blank" onclick="return top
.js.OpenExtLink(window,event,this)">http://www.openjawtech.com/2005</a>"
xmlns:ns4="<a href="http://www.opentravel.org/OTA/2002/08" target="_blank"
onclick="return top.js.OpenExtLink(window,event,this)">
http://www.opentravel.org/OTA/2002/08</a>"/>    
    </Source>
     </POS>     &lt
;OriginDestinationInformation>         &lt
;DepartureDateTime>2007-10-23T00:00:00.000+01:00</DepartureDateTime>         <OriginLocation CodeContext="IATA
" LocationCode="LGW"/>
         <DestinationLocation CodeContext=
"IATA" LocationCode="PMI"/>     <
/OriginDestinationInformation>     &lt
;OriginDestinationInformation>         &lt
;DepartureDateTime>2007-10-30T00:00:00</DepartureDateTime>
         <OriginLocation CodeContext=&quot
;IATA" LocationCode="PMI"/>       
  <DestinationLocation CodeContext="IATA" LocationCode=&quot
;LGW"/>     </OriginDestinationInformation>
     <TravelerInfoSummary>      
   <AirTravelerAvail>        
    <PassengerTypeQuantity Code="ADT" Quantity=&quot
;2"/>             &lt
;PassengerTypeQuantity Code="CHD" Quantity="3"/>
         </AirTravelerAvail>  
   </TravelerInfoSummary> </OTA_AirLowFareSearchRQ> 
 -- --- And the code to access the info (using xpath) is:
 -- ---- public static void getXPathValue(File file)
    {       Document xmlDoc =
getDocumentForFile(file);       try  
     { //        
XPath.setXPathClass(org.jaxen.jdom.JDOMXPath.class);    &nbsp
;     XPath xPath = XPath.newInstance("/ota:OTA
_AirLowFareSearchRQ/ota:OriginDestinationInformation");
          xPath.addNamespace(&quot
;ota", "<a href="http://www.opentravel.org/OTA/2003/05" target="_blank
" onclick="return top.js.OpenExtLink(window,event,this)">http://www.opentravel
.org/OTA/2003/05</a>"); //default ns
          xPath.addNamespace(
"helper", "xalan://com.openjaw.rules.XSLHelper");
          xPath.addNamespace(&quot
;xalan", "<a href="http://xml.apache.org/xalan" target="_blank"
onclick="return top.js.OpenExtLink(window,event,this)">http://xml.apache.org
/xalan</a>");          xPath
.addNamespace
("ns2", "<a href="http://www.tui-uk.co.uk/OTA_EXT/2006" target="
_blank" onclick="return top.js.OpenExtLink(window,event,this)">
http://www.tui-uk.co.uk/OTA_EXT/2006</a>");     
     xPath.addNamespace("ns1", "<a href="http
://www.openjawtech.com/2005" target="_blank" onclick="return top.js.OpenExtLink
(window,event,this)">http://www.openjawtech.com/2005
</a>");          xPath
.addNamespace("ns3", "
<a href="http://www.opentravel.org/OTA/2002/08" target="_blank" onclick="return
top.js.OpenExtLink(window,event,this)">http://www.opentravel.org/OTA/2002/08</a
>");         
      List nodes = xPath.selectNodes
(xmlDoc);          System.out
.println("Nodes = " + nodes);
       }      
catch (Exception e)       {    
      System.out.println("Error: " + e); 
         e.printStackTrace(System.out);
       } } -- ---- The problem is that
the list I get is empty.
 -- __ ____ ____ ____ ____ _____ Yours ever, Ameya Bhave (M) +44 07894080785 (H)  +44 02476410217 (E)
  <a href="mailto:ameya@(protected)" target="_blank" onclick="return
top.js.OpenExtLink(window,event,this)">
ameya@(protected)</a>
 __ ____ ____ ____ ____ ____ ____ ____ ____ ____ To control your
jdom-interest membership: <a onclick="return top.js.OpenExtLink(window,event
,this)" href="http://www.jdom.org/mailman/options/jdom-interest/youraddr
@(protected)" target="_blank">
http://www.jdom.org/mailman/options/jdom-interest/youraddr@(protected)</a> 
</blockquote></div> -- "Cho? tyle wiemy w?asnym
do?wiadczeniem: W nas jest Raj, Piek?o - i do obu - szlaki."
 J.K.

__ ____ ____ ____ ____ ____ ____ ____ ____ ____
To control your jdom-interest membership:
http://www.jdom.org/mailman/options/jdom-interest/youraddr@(protected)