DOMParserImpl repeatedly overwrites text node child of an element (rather than
appending) when there are multiple text nodes in input
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Key: XERCESJ-1361
URL: https://issues.apache.org/jira/browse/XERCESJ-1361
Project: Xerces2-J
Issue Type: Bug
Components: Other
Environment: Linux
Reporter: Joe James Fenton
If there are multiple text node children on an element (which, in this case
given below, results from filtering elements during parsing) then the
element in the DOM on output contains only the final text node:
Demonstration code:
//////////////////////////////////
package test;
import junit.framework.TestCase;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.ls.LSParserFilter;
import org.w3c.dom.traversal.NodeFilter;
import com.sun.org.apache.xerces.internal.parsers.DOMParserImpl;
public class TestBug extends TestCase {
private static final String EXAMPLE_NS = "http://www.example.com";;
public void testFilteringSiblingTextNodes() throws Exception {
final DOMParserImpl parser = new
DOMParserImpl("com.sun.org.apache.xerces.internal.parsers.XIncludeAwareParserConfiguration",
"http://www.w3.org/2001/XMLSchema";);
parser.setFilter(new LSParserFilter() {
public short acceptNode(final Node nodeArg) {
return LSParserFilter.FILTER_ACCEPT;
}
public int getWhatToShow() {
return NodeFilter.SHOW_ALL;
}
public short startElement(final Element elementArg) {
if (EXAMPLE_NS.equals(elementArg.getNamespaceURI())) {
return LSParserFilter.FILTER_ACCEPT;
}
else {
return LSParserFilter.FILTER_SKIP;
}
}
});
final Document document =
parser.parseURI(getClass().getResource("input.xml").toString());
assertEquals("List:1)Item 1,2)Item 2.",
document.getElementsByTagNameNS(EXAMPLE_NS, "foo").item(0).getTextContent());
}
}
/////////////////////////////////
resource "input.xml"
<html xmlns='http://www.w3.org/1999/xhtml' xmlns:ex='http://www.example.com'>
<ex:foo>List:<br />1)Item 1,<br />2)Item 2.</ex:foo>
</html>
/////////////////////////////////////////
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