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List:       xmlrpc-dev
Subject:    [jira] [Commented] (AXIOM-28) OMElement.declareDefaultNamespace()
From:       "Hudson (Commented) (JIRA)" <jira () apache ! org>
Date:       2011-11-27 23:20:40
Message-ID: 1517470578.15602.1322436040723.JavaMail.tomcat () hel ! zones ! apache ! org
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    [ https://issues.apache.org/jira/browse/AXIOM-28?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13158079#comment-13158079 \
] 

Hudson commented on AXIOM-28:
-----------------------------

Integrated in ws-axiom-trunk #722 (See \
[https://builds.apache.org/job/ws-axiom-trunk/722/])  Removed a TODO item related to \
AXIOM-28.

veithen : 
Files : 
* /webservices/commons/trunk/modules/axiom/modules/axiom-api/src/main/java/org/apache/axiom/om/OMElement.java


                
> OMElement.declareDefaultNamespace() declares empty namespace for child element.
> -------------------------------------------------------------------------------
> 
> Key: AXIOM-28
> URL: https://issues.apache.org/jira/browse/AXIOM-28
> Project: Axiom
> Issue Type: Bug
> Components: LLOM
> Affects Versions: 1.2.8
> Environment: Microsoft Windows 2003 Server, Java 1.5.0_11. Axis2 version 1.3 (uses \
>                 AXIOM version 1.2.5). 
> Reporter: Yechiel Mondrowitz
> Assignee: Andreas Veithen
> Fix For: 1.2.13
> 
> 
> When calling declareDefaultNamespace() on a parent node, AXIOM assignes a blank \
> namespace on the first level's child element.  So if XML is passed to AXIOM that \
> looks like this: <outerTag>
> <innerTag>
> <node1>Hello</node1>
> <node2>Hello</node2>
> </innerTag>
> </outerTag>
> And then declareDefaultNamespace() of "http://someNamespace" is called on the \
> <outerTag>, the resulting XML will be this: <outerTag xmlns="http://someNamespace">
> <innerTag xmlns="">
> <node1>Hello</node1>
> <node2>Hello</node2>
> </innerTag>
> </outerTag>
> Notice the xmlns="" declared in the <innerTag>.  According to my understanding of \
> XML namespaces, the <innerTag> and its child nodes will no longer belong to the \
> parent namespace of "http://someNamespace", since it explicitly overrides it with \
> an empty namespace.  So <innerTag> and its child nodes will in fact not belong to \
> any namespace!  Here is a small program to illustrate: import \
> org.apache.axiom.om.*; import org.apache.axiom.om.impl.llom.util.*;
> public class Test2 {
> public static void main(String [] args) {
> try {
> String xmlString =
> "<outerTag>" +
> "<innerTag>" +
> "<node1>Hello</node1>" +
> "<node2>Hello</node2>" +
> "</innerTag>" +
> "</outerTag>";
> OMElement elem = AXIOMUtil.stringToOM(xmlString);
> elem.declareDefaultNamespace("http://someNamespace");
> System.out.println(elem.toString());
> }
> catch(Exception e) {
> e.printStackTrace();
> }
> }
> }
> The output of this program is this (I added line breaks in the XML for easier \
> readability): <outerTag xmlns="http://someNamespace">
> <innerTag xmlns="">
> <node1>Hello</node1>
> <node2>Hello</node2>
> </innerTag>
> </outerTag>
> As you can see, the <innerTag> was assigned xmlns="" by AXIOM.

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