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From "Oliver Heger (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CONFIGURATION-418) incorrect backslash parsing
Date Tue, 08 Jun 2010 19:08:13 GMT

    [ https://issues.apache.org/jira/browse/CONFIGURATION-418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12876769#action_12876769
] 

Oliver Heger commented on CONFIGURATION-418:
--------------------------------------------

PropertiesConfiguration allows setting an IOFactory which is responsible for creating the
readers and writers for reading and writing properties files. So we could provide alternative
implementations which handle backslash escaping correctly. I have difficulties to find a meaningful
name for these alternative implementations. Maybe _StringentPropertiesReader_?

> incorrect backslash parsing
> ---------------------------
>
>                 Key: CONFIGURATION-418
>                 URL: https://issues.apache.org/jira/browse/CONFIGURATION-418
>             Project: Commons Configuration
>          Issue Type: Bug
>    Affects Versions: 1.6
>         Environment: Commons Configuration 1.6
>            Reporter: Ricky Martin
>            Assignee: Oliver Heger
>            Priority: Minor
>         Attachments: Main.java, PropertyConverter.diff, sample.properties
>
>
> I am using Commons Configuration (PropertiesConfiguration) and some of my data are windows
shares: \\share1 or \\share2. The problem is the parsing return different things depending
how the keys are defined. For example, these keys
> share=\\\\share1
> share=\\\\share2
> are different than:
> share=\\\\share1, \\\\share2
> The first one returns two backslashes ("\\share1" and "\\share2") and the second returns
just one ("\share1" and "\share2"). I think the problem is in PropertyConverter line 525,
cos the backslash is hidden twice when multivalue parsing is done:
> if (c != delimiter && c != LIST_ESC_CHAR) 
>                 {
>                     // no, also add escape character
>                     token.append(LIST_ESC_CHAR);
>                 }
> In my understanding the second condition produces this strange issue and it should be
like this:
> if (c != delimiter) 
>                 {
>                     // no, also add escape character
>                     token.append(LIST_ESC_CHAR);
>                 }
> Check that cos I can be missing something...
> TIA

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