Re: Convert XMLFragment to DOM node (solved)

2002-10-22 Thread Christian Kurz 



The problem was, that I hadn't sent the 
startDocument and endDocument events.

  - Original Message - 
  From: 
  Christian Kurz 
  To: [EMAIL PROTECTED] 
  
  Cc: [EMAIL PROTECTED] 
  
  Sent: Monday, October 21, 2002 12:09 
  AM
  Subject: Re: Convert XMLFragment to DOM 
  node
  
  I am experiencing the same problem. Have you been 
  able to solve this problem? Any hints?
  
  Thanks in advance,
  Christian

Re: Convert XMLFragment to DOM node

2002-10-20 Thread Christian Kurz 



I am experiencing the same problem. Have you been 
able to solve this problem? Any hints?

Thanks in advance,
Christian

Re: Convert XMLFragment to DOM node

2002-10-12 Thread Markdelanoy 

I'm not sure if anyone answered this...

But a couple of things
1.) what's a XMLFragment - is this a cocoon class???  And what really is an 
XMLFragment, e.g. is it a org.w3c.dom.DocumentFragment.  If so a DocumentFragment is 
already a node so no need for a conversion.  DocumentFragments are used throughout the 
authentication and session pieces of code...

2.) As to the NULL pointer another clue maybe the following.  If a XMLFragment is 
really derived from a w3c.dom node...  and you've created a document, and then a node 
(dummy).  Basically these two set's of nodes (dummy vs the XMLFragment) are from 
different documents and to get one into the other you need to import it otherwise 
you get null pointer exceptions. Your appending in a fragment from another document 
and that typically doesn't work until you import the fragment in.

Look at either the Document or the node class for an import method.

Not sure if that helps, md

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Convert XMLFragment to DOM node

2002-10-10 Thread Robert Onslow 


I'm using jre 1.4.1. I have an xsp which captures a fragment of xml, and 
passes it to a class:

capture:fragment-variable name=frag
foobar//foo
/capture:fragment-variable

xsp:logic
MyClass.doSomething(frag);
/xsp:logic

This passes an XMLFragment which I convert to a node:

public class MyClass {

public static void doSomething(XMLFragment frag){

Node node = frag2Node(frag);
...
}
 
public Node frag2Node(XMLFragment frag){

Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDo
cument();
Node dummy = doc.createElement(dummy);
doc.appendChild(dummy);
frag.toDOM(dummy);
return dummy.getFirstChild();
}

When Cocoon runs, I get an exception in the call to frag.toDOM(dummy)
It is a null pointer exception 

java.lang.NullPointerException
at org.apache.xalan.transformer.TransformerIdentityImpl.flushStartDoc(T
ransformerIdentityImpl.java:885)
at org.apache.xalan.transformer.TransformerIdentityImpl.startElement(Tr
ansformerIdentityImpl.java:1016)
at org.apache.cocoon.xml.AbstractXMLPipe.startElement(AbstractXMLPipe.j
ava:130)
at org.apache.cocoon.xml.AbstractXMLPipe.startElement(AbstractXMLPipe.j
ava:130)
at org.apache.cocoon.components.sax.XMLByteStreamInterpreter.parse(XMLB
yteStreamInterpreter.java:126)
at org.apache.cocoon.components.sax.XMLByteStreamInterpreter.deserializ
e(XMLByteStreamInterpreter.java:102)
at org.apache.cocoon.components.sax.XMLByteStreamFragment.toSAX(XMLByte
StreamFragment.java:100)
at org.apache.cocoon.xml.AbstractSAXFragment.toDOM(AbstractSAXFragment.
java:76)

Can anyone see what the problem is - I've searched in vain!
Alternatively, is there a more elegant way of converting the XMLFragment 
passed by Cocoon as a parameter into a DOM node?!

Robert Onslow




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