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https://issues.apache.org/jira/browse/XALANJ-2710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17787558#comment-17787558
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Alexander Kriegisch commented on XALANJ-2710:
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[~vladimirsitnikov], while you are raising a valid concern here regarding
default Maven-generated _META-INF/maven/xalan/xalan/pom.properties_ files -
some users might indeed think that those files are superfluous and can be
removed from shaded JARs - this is not a reason to decline the issue, but
rather to think about how to improve the PR. For example, instead of
_META-INF/maven/..._ a dedicated resource file with a clearer name could be
created in _META-INF/xalan/version.properties_ or even in a package directory,
e.g. _org/apache/xalan/version.properties_. I tend to the latter location,
because there users are more unlikely to delete properties files.
> Use resource files for version numbers
> --------------------------------------
>
> Key: XALANJ-2710
> URL: https://issues.apache.org/jira/browse/XALANJ-2710
> Project: XalanJ2
> Issue Type: New Feature
> Security Level: No security risk; visible to anyone(Ordinary problems in
> Xalan projects. Anybody can view the issue.)
> Reporter: Alexander Kriegisch
> Assignee: Gary D. Gregory
> Priority: Major
>
> The current Ant build uses {{*.src}} files, replaces placeholders with
> version numbers there, then renames them to {{*.java}} and copies them to
> their respective destination directories.
> In the current Maven build in branch {{{}xalan-java-mvn-refactored{}}}, this
> should be replaced by simple, standardised Maven resource filtering. The
> values would be written into a properties file, which then in turn will be
> read as normal classpath resources from Java classes that need version
> information.
> Even easier than that would be to simply use the standard
> {{META-INF/maven/[groupId]/[artifactId]/pom.properties}} file generated into
> JARs by Maven anyway. They look like this:
> {code:java}
> artifactId=xalan
> groupId=xalan
> version=2.7.3
> {code}
> The only drawback here is that each corresponding Java file per module would
> need to know its own group and artifact ID in order to locate the resource
> file. But those usually do not change often, and it would be the cheapest
> solution to just hard-code them into the corresponding {{*Version.java}}
> file. Creating extra resource files with a fixed paths would be more work and
> the exact location would also have to be hard-coded into the Java files.
> Outside the JAR file context, e.g. when running tests from an IDE, the file
> would be located in {{{}target/maven-archiver/pom.properties{}}}, i.e. the
> Java classes reading the version numbers would need to try that path as a
> fallback.
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