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From "Stefano Bagnara (JIRA)" <mime4j-...@james.apache.org>
Subject [jira] Resolved: (MIME4J-174) Refactor org.mime4j.util.CharsetUtil to lazily determine supported encodings/decodings
Date Sun, 14 Mar 2010 23:05:27 GMT

     [ https://issues.apache.org/jira/browse/MIME4J-174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stefano Bagnara resolved MIME4J-174.
------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.7
         Assignee: Stefano Bagnara

Committed, thanx.

> Refactor org.mime4j.util.CharsetUtil to lazily determine supported encodings/decodings
> --------------------------------------------------------------------------------------
>
>                 Key: MIME4J-174
>                 URL: https://issues.apache.org/jira/browse/MIME4J-174
>             Project: JAMES Mime4j
>          Issue Type: Improvement
>            Reporter: Richard von Keyserling
>            Assignee: Stefano Bagnara
>             Fix For: 0.7
>
>         Attachments: charset_util_refactor.diff
>
>
> On initialization CharsetUtil determines all supported endcodings and decodings by attempting
to encode and decode a dummy string with every entry in JAVA_CHARSETS.   This loads a lot
of classes into the JVM which in turn uses up a lot of permGen.   
> Moving the decoding and encoding tests into isDecodingSupported() and isEncodingSupported()
and adding positive results to the decodingSupported and encodingSupported treeSets from those
methods would allow the class to only load encoders and decoders the application needs. 

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