Infinite loop in OMElement possible
-----------------------------------
Key: WSCOMMONS-182
URL: https://issues.apache.org/jira/browse/WSCOMMONS-182
Project: WS-Commons
Issue Type: Bug
Components: AXIOM
Environment: Windows XP, Java 1.5_09, Axiom 1.1.1.
Reporter: Ryan Nelsestuen
> I discovered today that under certain circumstances you can create an
> OMElementImpl that will go into an infinte loop if you call
> getFirstElement(); The specific example I found is if you create an
> OMElement via the SAXOMBuilder and pass the SAXOMBuilder and
> incomplete/malformed series of events (example code below). The
> workaround is to check isComplete() before calling getFirstElement(),
> but it seems like there should be some other way to avoid this condition.
>
package axiomtest;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.SAXOMBuilder;
import org.xml.sax.Attributes;
public class InfinteLoopDemo {
public static void main(String[] args) throws Exception{
SAXOMBuilder builder = new SAXOMBuilder();
//builder.startPrefixMapping("test", "http://test.com";);
builder.startDocument();
builder.startElement("http://test.com";, "test", "test:http://test.com";,
new Attributes(){
public int getIndex(String uri, String localName) {
// TODO Auto-generated method stub
return 0;
}
public int getIndex(String qName) {
// TODO Auto-generated method stub
return 0;
}
public int getLength() {
// TODO Auto-generated method stub
return 0;
}
public String getLocalName(int index) {
// TODO Auto-generated method stub
return null;
}
public String getQName(int index) {
// TODO Auto-generated method stub
return null;
}
public String getType(int index) {
// TODO Auto-generated method stub
return null;
}
public String getType(String uri, String localName) {
// TODO Auto-generated method stub
return null;
}
public String getType(String qName) {
// TODO Auto-generated method stub
return null;
}
public String getURI(int index) {
// TODO Auto-generated method stub
return null;
}
public String getValue(int index) {
// TODO Auto-generated method stub
return null;
}
public String getValue(String uri, String localName) {
// TODO Auto-generated method stub
return null;
}
public String getValue(String qName) {
// TODO Auto-generated method stub
return null;
}
});
OMElement root = builder.getRootElement();
OMElement firstChild = root.getFirstElement();
System.out.println("First child is: " + firstChild);
}
}
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