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Date: Sat, 22 Jul 2006 10:10:15 -0700 (PDT)
From: "Oliver Heger (JIRA)" <jira@apache.org>
To: commons-dev@jakarta.apache.org
Subject: [jira] Resolved: (CONFIGURATION-104) [configuration] Preserve file
 structure (line comments) when re-saving properties file
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     [ http://issues.apache.org/jira/browse/CONFIGURATION-104?page=all ]

Oliver Heger resolved CONFIGURATION-104.
----------------------------------------

    Resolution: Fixed

A new class PropertiesConfigurationLayout was added. Objects of this class are associated with PropertiesConfiguration instances. They are able to preserve many structure related aspects of a properties file.

Please have a look if this class fits your needs.

> [configuration] Preserve file structure (line comments) when re-saving properties file
> --------------------------------------------------------------------------------------
>
>                 Key: CONFIGURATION-104
>                 URL: http://issues.apache.org/jira/browse/CONFIGURATION-104
>             Project: Commons Configuration
>          Issue Type: Bug
>         Environment: Operating System: other
> Platform: Other
>            Reporter: Oded Noam
>         Assigned To: Oliver Heger
>         Attachments: preserve-comments-patch, preserve-comments-patch-java1.3
>
>
> This bug applies when an application allows both manual editing of its 
> configuration files, and  manipulation of the configuration via software. When 
> saving the configuration file after changing, its file structure - file, 
> section and line comments - will all be lost. Next time a human tries to edit 
> the configuration file, all property documentation will be lost.
> I have created a fix for this problem, applicable to PropertiesConfiguration 
> and XMLPropertiesConfiguration. The fix allows these classes to preserve a 
> list of comment lines preceding each property line. By default, comments are 
> not preserved; in case the comment preservation is required, it should be 
> enabled prior to loading the configuration file using:
> AbstractFileConfiguration.setDefaultPreserveComments(true);
> The fix is implemented and tested, attached as a patch file to this bug.

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