I am developing a Maven plugin. It will search for given token and inject
values at given files. Everything is OK but there is only one thing that I
am struggling with. I have some tokens and variables and I want to read them
from a properties file. For example:
project.version = ${project.version}
svn.revision.number = ${svn.revision.number}
bamboo.build.number = ${bamboo.build.number}
foo=bar
If I write them into my pom.xml file Maven will understand that variables
and when I get the value of them within my Mojo Maven will automatically
give me the value of variable. However if I write them into a properties
file it doesn't.
I have realized resource tag and tried:
<resources>
<resource>
<directory>src/main/resources/</directory>
<filtering>true</filtering>
</resource>
</resources>
but it is not what I want. I have tried to that at my Mojo:
MavenResourcesExecution mavenResourcesExecution = new
MavenResourcesExecution(resources, outputFileDirectory, project, encoding,
buildFilters, Collections.<String>emptyList(), session);
try {
mavenResourcesFiltering.filterResources(mavenResourcesExecution);
} catch (MavenFilteringException e) {
e.printStackTrace();
}
but because of I pass outputFileDirectory it creates a new properties file
into that directory. I don't want to get a new filtered properties file I
just want to retrieve a properties variable that includes replaced with real
values of Maven variables from my original properties file.
If I don't create a outputdirectory and just I can do something like that:
Properties filteredProperties =
mavenResourcesFiltering.filterResources(mavenResourcesExecution);
everything will be OK for me. How can I do that?
PS: Something like ${project.version} I call them as Maven variables.
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