Re: BUG: MessageElement should implement NodeList

[Dan Ciarniello]

Eduardo Issao Ito wrote:
It seems I found a bug in Axis-1_2RC1:
The class org.apache.axis.message.MessageElement does not implement the
interface org.w3c.dom.NodeList.
So, the method getElementsByTagName gives a ClassCastException:
   public NodeList getElementsByTagName(String tagName) {
       //use this MessageElement class for Nodelist store
       MessageElement nodelist = new MessageElement();
java.lang.ClassCastException
        at
org.apache.axis.message.MessageElement.getElementsByTagName(MessageElement.java:1813)
        at
org.apache.axis.message.MessageElement.getElementsByTagName(MessageElement.java:1818)
Any comments?
=====
<Eduardo Issao Ito/>
<Summa Technologies/>
 

The source code for 1.2RC1 defines MessageElement as
public class MessageElement extends NodeImpl implements SOAPElement,
       Serializable,
       org.w3c.dom.NodeList,  // ADD Nodelist Interfaces for SAAJ 1.2
       Cloneable
so it does implement NodeList.  However, line 1813 of 
MessageElement.java is:

nodelist.addChild((MessageElement)children.get(i));
which is where your stack trace says the exception occurred.  This 
implies that whatever children.get(i) should be returning an object that 
is or extends a MessageElement but is not. 

It still looks like a bug.
Dan.
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