Provide means to get via properties file groupID, artifactid, and version for implementations of *Application class.

[rsearls]

A standard mechanism is needed for implementations of *Application class
to retrieve groupID, artifactid, and version from the standard (external)
properties file.

Example see file, demos/ws-bootable-jar-example/jaxws/src/test/java/org/jboss/jaxws/SoapWildflyBootableOpenShiftJarApplication.java
These lines should not be hard coded.

private String GROUPID = "org.jboss.intersmash";
private String ARTIFACTID = "jaxws";
private String VERSION = "0.0.1-SNAPSHOT"; 

The values should be retrievable from the properties file.

This enhancement needs to be generic so that any "key" can be specified
for retrieval.

[fabiobrz]

Thanks for this issue, @rsearls - actually to me it looks like we don't need for the keys to be variable right?
I mean that this should be just a way for the runtime to be provided with G:A:V, hence I think only the values to be computed. BTW I think we should do something similar to https://github.com/Intersmash/intersmash/blob/main/deployments/intersmash-deployments-provider/src/main/java/org/jboss/intersmash/deployments/IntersmashSharedDeploymentsProperties.java

[rsearls]

Actually I think this should be a generic utility with a method, getProperty(key) and
getProperties() which returns a map of key/value pairs. This will allow users to more easily customize the *Application classes.

Why not consider using some MicroProfile impl.