Alexander Kriegisch created XALANJ-2710:
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             Summary: 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


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 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}
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.



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