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https://issues.apache.org/jira/browse/LANG-990?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duncan Jones updated LANG-990:
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Fix Version/s: Patch Needed
> Avoid String allocation in StrBuilder.append(CharSequence)
> ----------------------------------------------------------
>
> Key: LANG-990
> URL: https://issues.apache.org/jira/browse/LANG-990
> Project: Commons Lang
> Issue Type: Improvement
> Components: lang.text.*
> Affects Versions: 3.3.1
> Reporter: Mikhail Mazursky
> Fix For: Patch Needed
>
>
> StrBuilder.append(CharSequence) and StrBuilder.append(CharSequence, int, int)
> can be optimized for the case when CharBuffer is passed. Current
> implementation calls toString() method that allocates a new String. In case
> when CharBuffer.hasArray() returns true the buffer-backing char array can be
> accessed directly to copy chars from it.
> Also an instanceOf StrBuilder check can be added to
> StrBuilder.append(CharSequence) and StrBuilder.append(CharSequence, int, int)
> to avoid toString() in that case too (StrBuilder can be passed as
> CharSequence in some cases).
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