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Posted to dev@lucene.apache.org by "Christine Poerschke (JIRA)" <ji...@apache.org> on 2016/07/13 11:30:21 UTC
[jira] [Updated] (SOLR-9300) fix replace expression in
GetMavenDependenciesTask's dependencyToArtifactId method.
[ https://issues.apache.org/jira/browse/SOLR-9300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Christine Poerschke updated SOLR-9300:
--------------------------------------
Attachment: SOLR-9300.patch
> fix replace expression in GetMavenDependenciesTask's dependencyToArtifactId method.
> -----------------------------------------------------------------------------------
>
> Key: SOLR-9300
> URL: https://issues.apache.org/jira/browse/SOLR-9300
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Christine Poerschke
> Assignee: Christine Poerschke
> Priority: Minor
> Attachments: SOLR-9300.patch
>
>
> Fix replace expression in GetMavenDependenciesTask's dependencyToArtifactId method. (Christine Poerschke, Daniel Collins)
> One line {{replace}} vs. {{replaceAll}} in [GetMavenDependenciesTask.java|https://github.com/apache/lucene-solr/blob/master/lucene/tools/src/java/org/apache/lucene/dependencies/GetMavenDependenciesTask.java#L643] since [String replace|https://docs.oracle.com/javase/8/docs/api/java/lang/String.html#replace-java.lang.CharSequence-java.lang.CharSequence-] takes the CharSequence (or char) literally and [String replaceAll|https://docs.oracle.com/javase/8/docs/api/java/lang/String.html#replaceAll-java.lang.String-java.lang.String-] (or replaceFirst) takes a regular expression such a {{"(?<!solr-)analysis-"}}.
> (As an aside, in case anyone else is also wondering about the meaning of {{(?<!solr-)}} in the expression, the [Pattern|https://docs.oracle.com/javase/8/docs/api/java/util/regex/Pattern.html] javadocs list a special construct {{(?<!X)}} as
> bq.X, via zero-width negative lookbehind
> and the [Lookahead and Lookbehind Zero-Length Assertions|http://www.regular-expressions.info/lookaround.html] tutorial helped us understand the meaning of that list entry.)
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