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From "Naumova Natalya (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-4679) [startup] java.net.URL implementation without regex classes loading
Date Fri, 24 Aug 2007 13:27:31 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Naumova Natalya  updated HARMONY-4679:
--------------------------------------

    Attachment: java.net.URL.without.regex.patch

Simple comparing chars instead of previous
protocol.matches("\\A\\p{Alpha}[\\p{Alnum}+-.]*\\z")

> [startup] java.net.URL implementation without regex classes loading
> -------------------------------------------------------------------
>
>                 Key: HARMONY-4679
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4679
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>            Reporter: Naumova Natalya 
>         Attachments: java.net.URL.without.regex.patch
>
>
> When any class loads java.net.URL is used. However it loads ~60 classes from regex.jar.
We can avoid this to re-write using of java.lang.String.matches method in net.URL, by using
indexOf and substring instead of. Then no regex classes are loaded during the startup. Speedup
on HelloWorld is ~7%.

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