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https://issues.apache.org/jira/browse/CONFIGURATION-703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16496051#comment-16496051
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Pascal Essiembre commented on CONFIGURATION-703:
------------------------------------------------
OK, I've got a fix that does not break any tests.
In XMLConfiguration#constructHierarchy, where the "childrenFlag" is set, the
attribute size is "wrongfully" 2 when the "xml:space" attribute is present,
since "config-xml:space" get added by the code. So the following is my fix for
it, without modifying the attributes gathered so far:
{code:java}
boolean childrenFlag = hasChildren || (attributes.size() > 1 &&
!VALUE_PRESERVE.equals(attributes.get(ATTR_SPACE)));{code}
> xml:space="preserve" does not handle blank strings properly
> -----------------------------------------------------------
>
> Key: CONFIGURATION-703
> URL: https://issues.apache.org/jira/browse/CONFIGURATION-703
> Project: Commons Configuration
> Issue Type: Bug
> Affects Versions: 2.2
> Reporter: Pascal Essiembre
> Priority: Major
>
> When using XMLConfiguration 2, tags containing only white spaces are not
> handled properly when xml:space="preserve" is set. 'null' is returned
> instead of the actual spaces. To reproduce:
>
> {code:java}
> XMLConfiguration xml = new BasicConfigurationBuilder<>(
> XMLConfiguration.class).configure(
> new Parameters().xml()).getConfiguration();
> FileHandler fh = new FileHandler(xml);
> fh.load(new StringReader("<test xml:space=\"preserve\"> </test>"));
> System.out.println("TEST: '" + xml.getString("") + "'");
> // Outputs -> TEST: 'null'
> // Should be -> TEST: ' '
> {code}
>
>
>
>
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