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From "Dmitry Repchevsky (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (XMLSCHEMA-26) NPE: NamespaceMap.getNamespaceURI() returns null
Date Wed, 01 Aug 2012 10:49:03 GMT

     [ https://issues.apache.org/jira/browse/XMLSCHEMA-26?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dmitry Repchevsky updated XMLSCHEMA-26:
---------------------------------------

    Attachment: NamespaceMapTest.java
                NamespaceMap.java.patch

Probably some other projects may depend on NamespaceMap incorrect behavior
                
> NPE: NamespaceMap.getNamespaceURI() returns null
> ------------------------------------------------
>
>                 Key: XMLSCHEMA-26
>                 URL: https://issues.apache.org/jira/browse/XMLSCHEMA-26
>             Project: XmlSchema
>          Issue Type: Bug
>    Affects Versions: 2.0.3
>         Environment: Java
>            Reporter: Dmitry Repchevsky
>         Attachments: NamespaceMap.java.patch, NamespaceMapTest.java
>
>
> Related to the
> https://issues.apache.org/jira/browse/XMLSCHEMA-25?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
> fix.
> As mentioned in a comment:
> >NamespaceMap returns null if no prefix found while according NamespaceContext it
should return Constants.NULL_NS_URI.
> There are two solutions possible.
> 1. fix NamespaceMap class to do not return null as defined in NamespaceContext contract.
> 2. make XmlSchemaSerializer changes to check both null && "".
> Note that (1) may introduce bugs in code that uses XML Schema where null is incorrectly
used instead of Constants.NULL_NS_URI to check whether prefix is bound.

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