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Date: Sun, 21 Jun 2009 10:38:07 -0700 (PDT)
From: "Emmanuel Bourg (JIRA)" <jira@apache.org>
To: issues@commons.apache.org
Subject: [jira] Updated: (CONFIGURATION-362) XMLPropertyListConfiguration
 doesn't handle empty dictionary correctly
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     [ https://issues.apache.org/jira/browse/CONFIGURATION-362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emmanuel Bourg updated CONFIGURATION-362:
-----------------------------------------

    Summary: XMLPropertyListConfiguration doesn't handle empty dictionary correctly  (was: XMLPropertyListConfiguration doesn't handle empty elements correctly)

I fixed the issue for the dictionary, there was also a similar issue with the non XML plist configuration. I haven't found an elegant solution to solve the issue with the empty date, the best I could do was to turn it into <string/> instead of <string>null</string>. Empty real and integer are just errors, so I'll not change the exception.

> XMLPropertyListConfiguration doesn't handle empty dictionary correctly
> ----------------------------------------------------------------------
>
>                 Key: CONFIGURATION-362
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-362
>             Project: Commons Configuration
>          Issue Type: Bug
>    Affects Versions: 1.6
>         Environment: Mac OS X 10.5.6  JDK 1.5
>            Reporter: Kent McPhee
>            Assignee: Emmanuel Bourg
>             Fix For: 1.7
>
>
> Empty "dict" elements are not handled properly.   During printing of a configuration, configuration nodes that have no children and no value are assumed to be "strings" (see XMLPropertyListConfiguration.java:printValue()'s last "else" clause).   <dict/> is parsed in such a way (see startElement() and endElement() of that same file) that it ends up creating a configuration node with no children and no value.  Thus printing out a parsed property list will print <string>null</string> everywhere an empty dictionary was in the input.

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