A bit of background info:
1. My java projects each have a standard 4 digit version number
(major-minor-patch-build) and my help/about screens etc can access that for
debugging etc.
2. My own jar files that get built have version numbers in the pom:
<project>
<modelVersion>4.0.0</modelVersion>
<groupId>com.mycompany</groupId>
<artifactId>thisproject</artifactId>
<version>0.0.1</version>
creates: thisproject-0.0.1.jar
3. 3rd party required Jar files also have version numbers
for example: log4j 1.2.14
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.14</version>
</dependency>
4. The install tool I am using (JExpress) has to know the names of the jar
files so it can build the launcher's classpath correctly and can handle dealing
with changed files for it's automatic update process.
A couple of thoughts:
1. RE Points 1&2 above, there is currently no relationship between my project
jar file's version number and the internal build number that I store in an
internal constants class file. Has anyone figured out a way to make the pom
use a programmatically updated version number instead of hard coding it? The
reason I have left my jar at 0.0.1 is that I don't want to have to manually
change the version number of the jar every time my internal build # changes.
2. RE point 3, does everyone deploy 3rd party jars in this way? or perhaps
just naming the jar log4j.jar might help the deployment process, as if the jar
gets updated, the classpath would not change? or is that a bad idea ?
3. Even if I could get the build process to use different version numbers, the
jar file names would then be changing, which would complicate my install tool.
Has anyone used JExpress or a similar java installer tool and had success with
version numbers for these type of issues from a deployment point of view? I
like JExpress because it automatically detects and installs your JRE if you are
not current and handles automatic updates and uninstalls and works on multiple
OSes. If I found a better tool I would be willing to consider switching but
for now it is working well for me.
Or is there a better way to deal with version numbers that I am missing?
Cheers,
Ding
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