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https://issues.apache.org/jira/browse/AXIOM-374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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isuru janith ranawaka updated AXIOM-374:
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Attachment: prefix.patch
Patch is for make DOOM as the same behavior as LLOM when creating OMElement
with Qname which has empty prefix and this will add auto generated prefix for
OMElement.
patch taken from
axiom/modules/axiom-dom/
> Behavior of OMFactory#createOMElement(QName [, OMContainer]) is inconsistent
> between LLOM and DOOM
> --------------------------------------------------------------------------------------------------
>
> Key: AXIOM-374
> URL: https://issues.apache.org/jira/browse/AXIOM-374
> Project: Axiom
> Issue Type: Bug
> Components: DOOM
> Affects Versions: 1.2.12
> Reporter: Andreas Veithen
> Assignee: Andreas Veithen
> Fix For: 1.2.15
>
> Attachments: prefix.patch
>
>
> The createOMElement(String, OMNamespace), createOMElement(String,
> OMNamespace, OMContainer) and createOMElement(String, String, String) methods
> support auto-generating a namespace prefix (by passing a null prefix) and
> creating an element in the default namespace (by passing an empty string as
> prefix). This choice doesn't exist for the createOMElement(QName) and
> createOMElement(QName, OMContainer) methods because the prefix in a QName
> object can never be null. There is an inconsistency in the behavior of LLOM
> and DOOM when an empty prefix is passed in the QName object. LLOM will
> auto-generate a prefix, while DOOM will create an element in the default
> namespace.
> In the case of DOOM, this appears to be a bug because the corresponding
> createOMElement method contains the following condition:
> qname.getPrefix() != null
> However, the return value of QName#getPrefix() is never null, and the code
> that would auto-generate a prefix is unreachable.
> On the other hand, the desired behavior depends on the use case, and there
> are situations where one would like to create an element in the default
> namespace if the prefix in the QName is an empty string.
> Proposed solution:
> 1. Make sure that DOOM has the same behavior as LLOM, i.e. auto-generate a
> prefix if QName#getPrefix() returns an empty string.
> 2. Add additional methods to OMFactory that create an element from a QName,
> but that allow to specify the intended behavior.
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