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[Classpathx-xml] bug: insertBefore() with DocumentFragments
From: |
Nic Ferrier |
Subject: |
[Classpathx-xml] bug: insertBefore() with DocumentFragments |
Date: |
20 Mar 2003 04:01:29 +0000 |
inserting DocumentFragments with multiple children in them doesn't
seem to work.
with one child it works, with multiples it doesn't.
The following code illustrates the problem:
String[] toAdd = ...
String clauseToAdd = ...
Element toEdit = ... // some element in the Document.
// Get a doc fragment containing one child for each of
// the clauses specified in toAdd[] (these come from other docs).
DocumentFragment clauseToAdd = precedentDOM.createDocumentFragment();
getClauses(toAdd, clauseToAdd);
// Add the contents of the fragment AFTER the toEdit element.
Node clauseSection = (Element) toEdit.getParentNode();
if (clauseSection.getChildNodes().getLength() == 1)
clauseSection.appendChild(clauseToAdd);
else {
Node insertionPoint = toEdit.getNextSibling();
while (! (insertionPoint instanceof Element))
insertionPoint = insertionPoint.getNextSibling();
/////// this line causes the problem.
clauseSection.insertBefore(clauseToAdd, insertionPoint);
}
I get a NullPointerException,
at gnu.xml.dom.DomNode.insertBefore(DomNode.java:585)
at gnu.xml.dom.DomNode.insertBefore(DomNode.java:614)
The method works perfectly well with the crimson in the jdk.
Nic
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