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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 14134] New: - QName Attributes lose namespace mapping in MessageElement after Serialization.
Date Thu, 31 Oct 2002 15:54:31 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=14134

QName Attributes lose namespace mapping in MessageElement after Serialization.

           Summary: QName Attributes lose namespace mapping in
                    MessageElement after Serialization.
           Product: Axis
           Version: 1.0
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: Other
         Component: Serialization/Deserialization
        AssignedTo: axis-dev@xml.apache.org
        ReportedBy: chrisw@wolfram.com


When addAttribute(String namespace, String localPart, QName qname) is called on 
a MessageElement, the attribute is set correctly within the MessageElement.  
During the first serialization of the attribute, it serializes it correctly 
adding the correct namespace declarations.  However, in additional 
serializations, the namespace declaration is lost.  And the prefix for the 
attribute remains what it was in the previous serialization.  

Example....

### QNameAttrTest.java ###

import org.apache.axis.message.MessageElement;
import javax.xml.namespace.QName;

public class QNameAttrTest
{
  public QNameAttrTest()
  {
  }
  
  public static void main(String[] args)
  { 
    try
    {
      MessageElement me = 
        new MessageElement("http://www.wolfram.com","Test");
      me.addAttribute(
        "http://www.w3.org/2001/XMLSchema-instance", 
        "type",
	new QName("http://www.wolfram2.com", "type1"));
      MessageElement me2 = 
        new MessageElement("http://www.wolfram.com", "Child", (Object)"1");
      me2.addAttribute(
        "http://www.w3.org/2001/XMLSchema-instance", 
	"type",
	new QName("http://www.w3.org/2001/XMLSchema", "int"));
      me.addChildElement(me2);
      System.out.println(me.toString());
      System.out.println(me.toString());
    }
    catch(Exception e)
    {
      e.printStackTrace();
    }
  }
}

Result (I fixed up the xml to make it more readible)...

<ns2:Test xsi:type="ns1:type1" 
          xmlns:ns1="http://www.wolfram2.com" 
          xmlns:ns2="http://www.wolfram.com"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ns2:Child xsi:type="xsd:int"  
             xmlns:xsd="http://www.w3.org/2001/XMLSchema">
    1
  </ns2:Child>
</ns2:Test>
<ns1:Test xsi:type="ns1:type1" 
          xmlns:ns1="http://www.wolfram.com" 
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <ns1:Child xsi:type="xsd:int">
    1
  </ns1:Child>
</ns1:Test>

You will notice that the first elements seem to be set correctly.  The types 
look correct and all the namespaces are declared.  In the second element, the 
type is set, but it is set with the wrong prefix.  It is set 
to "http://www.wolfram.com" rather than "http://www.wolfram2.com" as 
specified.  This is because ns1 went away from the first call, and the prefix 
remained the same in the second call.  Therefor an incorrect type was set.

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