AW: XSLT transformation with a xindice result

Tue, 26 Jul 2005 05:17:10 -0700

I cannot believe that it is so hard to convert a XML source into an output stream :-( I added javax.xml.transform.* but I still get cannot resolve symbol errors. Do I really need this DOMSource-thing to convert the XML source which comes from the xindice database with a xslt stylesheet? I`m even happy if the result of the transformation is listet as an out.println() in the JSP.

 

Thx Christoph

 

 

<%@ page language="java" %>

<%@ page import="org.xmldb.api.base.*" %>

<%@ page import="org.xmldb.api.modules.*" %>

<%@ page import="org.xmldb.api.*" %>

<%@ page import="org.w3c.dom.*" %>

<%@ page import="javax.xml.transform.dom.*" %>

<%@ page import="javax.xml.transform.stream.*" %>

<%@ page import="javax.xml.transform.*" %>

 

String suche = request.getParameter("suchbegriff");

Collection col = null;

      try {

         String driver = "org.apache.xindice.client.xmldb.DatabaseImpl";

         Class c = Class.forName(driver);

 

         Database database = (Database) c.newInstance();

         DatabaseManager.registerDatabase(database);

 

         col = DatabaseManager.getCollection("xmldb:xindice://83.137.103.78:8080/db/wikipedia");

 

         String xpath = "/output/ART/A0[SSTW='" + suche + "']";

         DOMSource src = "">

        

         XPathQueryService service =

            (XPathQueryService) col.getService("XPathQueryService", "1.0");

         ResourceSet resultSet = service.query(xpath);

         ResourceIterator results = resultSet.getIterator();

         while (results.hasMoreResources()) {

            XMLResource res = (XMLResource) results.nextResource();

            Node node = res.getContentAsDOM();  

            src = "" DOMSource(node);        

         }

         

        

        

         // Generate a Transformer.

                                                TransformerFactory factory = TransformerFactory.newInstance();

                                                

                                                javax.xml.transform.Transformer transformer = factory.newTransformer

                  (new javax.xml.transform.stream.StreamSource("pml.xsl"));

                                                                      

                                                // Create an empy DOMResult object for the output.

                                                javax.xml.transform.dom.DOMResult domResult = new javax.xml.transform.dom.DOMResult();

 

                                                // Perform the transformation.

                                                transformer.transform(new javax.xml.transform.dom.DOMSource(src));

 

                                                // Now you can get the output Node from the DOMResult.

                                                org.w3c.dom.Node output = domResult.getNode();

                                                StreamResult res = new StreamResult(output);

 

                                                out.println(res.getOutputStream());

      }

      catch (XMLDBException e) {

         System.err.println("XML:DB Exception occurred " + e.errorCode);

      }

      finally {

         if (col != null) {

            col.close();

         }

      }

 

 

 

Generated servlet error:
    [javac] Since fork is true, ignoring compiler setting.
    [javac] Compiling 1 source file
    [javac] Since fork is true, ignoring compiler setting.
    [javac] D:\tomcat\work\Standalone\localhost\weber\ergebnis_jsp.java:140: cannot resolve symbol
    [javac] symbol  : constructor DOMSource (javax.xml.transform.dom.DOMSource)
    [javac] location: class javax.xml.transform.dom.DOMSource
    [javac]                            transformer.transform(new javax.xml.transform.dom.DOMSource(src));
    [javac]                                                        ^
    [javac] D:\tomcat\work\Standalone\localhost\weber\ergebnis_jsp.java:144: cannot resolve symbol
    [javac] symbol  : constructor StreamResult (org.w3c.dom.Node)
    [javac] location: class javax.xml.transform.stream.StreamResult
    [javac]                            StreamResult res = new StreamResult(output);
    [javac]                                                     ^
    [javac] 2 errors


 



 















Von: Eickvonder
Bjoern [mailto:[EMAIL PROTECTED] 

Gesendet: Dienstag, 26. Juli 2005
06:24

An: [email protected]

Betreff: AW: XSLT transformation
with a xindice result






 



You don't import
'javax.xml.transform.Transformer', try adding <%@ page
import="javax.xml.transform.*" %>.



 



Hope that helps 



 



Björn Eickvonder



 












Von: Pasche
[mailto:[EMAIL PROTECTED]] 

Gesendet: Montag, 25. Juli 2005
23:41

An: [email protected]

Betreff: XSLT transformation with
a xindice result



I try to transform a XML document  I get from
the xindice database. First of all, I transform the result of the xpath query
into a DOMSource. Then I try to transform this DOMSource with the help of a xslt
stylesheet. But I can´t even compile it (see errors below). I have no idea why
I get the “cant resolve symbol” error. I think I included all
classes.



 



 



<%@ page import="org.xmldb.api.base.*"
%>



<%@ page
import="org.xmldb.api.modules.*" %>



<%@ page import="org.xmldb.api.*" %>



<%@ page import="org.w3c.dom.*" %>



<%@ page
import="javax.xml.transform.dom.*" %>



<%@ page
import="javax.xml.transform.stream.*" %>



 



String suche =
request.getParameter("suchbegriff");



Collection col = null;



      try {



        
String driver = "org.apache.xindice.client.xmldb.DatabaseImpl";



        
Class c = Class.forName(driver);



 



        
Database database = (Database) c.newInstance();



        
DatabaseManager.registerDatabase(database);



 



         col
= DatabaseManager.getCollection("xmldb:xindice://83.137.103.78:8080/db/wikipedia");



 



        
String xpath = "/output/ART/A0[SSTW='" + suche + "']";



        
DOMSource src = "">



         



        
XPathQueryService service =



           
(XPathQueryService) col.getService("XPathQueryService",
"1.0");



        
ResourceSet resultSet = service.query(xpath);



        
ResourceIterator results = resultSet.getIterator();



        
while (results.hasMoreResources()) {



           
XMLResource res = (XMLResource) results.nextResource();



           
Node node = res.getContentAsDOM();   



           
src = "" DOMSource(node);         



         }



         



         



         



         //
Generate a Transformer.



                                              
 javax.xml.transform.Transformer transformer = Factory.newTransformer



                 
(new javax.xml.transform.stream.StreamSource("pml.xsl"));



                                                                      




                                              
 // Create an empy DOMResult object for the output.



                                              
 javax.xml.transform.dom.DOMResult domResult = new
javax.xml.transform.dom.DOMResult();



 



                                              
 // Perform the transformation.



                                              
 transformer.transform(new javax.xml.transform.dom.DOMSource(src));



 



                                              
 // Now you can get the output Node from the DOMResult.



           
                                  
 org.w3c.dom.Node output = domResult.getNode();



                                              
 Result res = new StreamResult(output);



 



                                              
 out.println(res.getOutputStream());



      }



      catch (XMLDBException
e) {



        
System.err.println("XML:DB Exception occurred " + e.errorCode);



      }



      finally {



         if
(col != null) {



           
col.close();



         }



      }



 



 



Generated servlet error: 

[javac] Since fork is true, ignoring compiler setting. 

[javac] Compiling 1 source file 

[javac] Since fork is true, ignoring compiler setting. 

[javac] D:\tomcat\work\Standalone\localhost\web\ergebnis_jsp.java:127: cannot
resolve symbol 

[javac] symbol : variable Factory 

[javac] location: class org.apache.jsp.ergebnis_jsp 

[javac] javax.xml.transform.Transformer transformer = Factory.newTransformer 

[javac] ^ 

[javac] D:\tomcat\work\Standalone\localhost\web\ergebnis_jsp.java:134: cannot
resolve symbol 

[javac] symbol : constructor DOMSource (javax.xml.transform.dom.DOMSource) 

[javac] location: class javax.xml.transform.dom.DOMSource 

[javac] transformer.transform(new javax.xml.transform.dom.DOMSource(src)); 

[javac] ^ 

[javac] D:\tomcat\work\Standalone\localhost\web\ergebnis_jsp.java:138: cannot
resolve symbol 

[javac] symbol : class ResultSet 

[javac] location: class org.apache.jsp.ergebnis_jsp 

[javac] ResultSet res = new StreamResult(output); 

[javac] ^ 

[javac] D:\tomcat\work\Standalone\localhost\web\ergebnis_jsp.java:138: cannot
resolve symbol 

[javac] symbol : constructor StreamResult (org.w3c.dom.Node) 

[javac] location: class javax.xml.transform.stream.StreamResult 

[javac] ResultSet res = new StreamResult(output); 

[javac] ^ 

[javac] 4 errors







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