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Posted to dev@lucene.apache.org by "Christine Poerschke (JIRA)" <ji...@apache.org> on 2016/07/13 11:29:20 UTC

[jira] [Created] (SOLR-9300) fix replace expression in GetMavenDependenciesTask's dependencyToArtifactId method.

Christine Poerschke created SOLR-9300:
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             Summary: 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


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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