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Posted to notifications@ant.apache.org by bu...@apache.org on 2012/12/14 21:53:48 UTC

[Bug 54300] New: more efficient (and shorter) method call in ComponentHelper.printUnknownDefinition

https://issues.apache.org/bugzilla/show_bug.cgi?id=54300

            Bug ID: 54300
           Summary: more efficient (and shorter) method call in
                    ComponentHelper.printUnknownDefinition
           Product: Ant
           Version: 1.8.3
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Core
          Assignee: notifications@ant.apache.org
          Reporter: nistor1@illinois.edu
    Classification: Unclassified

Created attachment 29761
  --> https://issues.apache.org/bugzilla/attachment.cgi?id=29761&action=edit
patch

The problem appears in version 1.8.4 and in revision 1421898.  I
attached a one-line patch that fixes it.

In method "ComponentHelper.printUnknownDefinition", the call
"componentName.indexOf(MagicNames.ANTLIB_PREFIX) == 0" should be
"componentName.startsWith(MagicNames.ANTLIB_PREFIX)".  The intent of
the call is more explicit with "startsWith" than with "indexOf(..)==0".  
"startsWith" is also more efficient than "indexOf", because
"startsWith" tries to match only the start of the string, while
"indexOf" searches until the first occurrence.

There are many calls to "String.startsWith" in Ant (just like in the
proposed patch), for example, in methods "AntlibDefinition.setURI",
"AntClassLoader.isParentFirst", "ComponentHelper.checkNamespace",
"Execute.getVMSLogicals", "ExecTask.isPath", "Jar.writeIndexLikeList",
"Definer.makeResourceFromURI", "PathTokenizer.nextToken", etc.

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[Bug 54300] more efficient (and shorter) method call in ComponentHelper.printUnknownDefinition

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=54300

Jesse Glick <jg...@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |PatchAvailable
                 CC|                            |jglick@apache.org

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[Bug 54300] more efficient (and shorter) method call in ComponentHelper.printUnknownDefinition

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=54300

Antoine Levy-Lambert <an...@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|1.9.0                       |1.9.1

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[Bug 54300] more efficient (and shorter) method call in ComponentHelper.printUnknownDefinition

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=54300

Antoine Levy-Lambert <an...@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|1.8.4                       |1.9.0

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[Bug 54300] more efficient (and shorter) method call in ComponentHelper.printUnknownDefinition

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=54300

Adrian Nistor <ni...@illinois.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nistor1@illinois.edu

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[Bug 54300] more efficient (and shorter) method call in ComponentHelper.printUnknownDefinition

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=54300

Adrian Nistor <ni...@illinois.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|1.8.3                       |1.8.4

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[Bug 54300] more efficient (and shorter) method call in ComponentHelper.printUnknownDefinition

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=54300

Stefan Bodewig <bo...@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |1.9.4

--- Comment #1 from Stefan Bodewig <bo...@apache.org> ---
svn revision 1554813

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