In Maven, how can I dynamically build a property value at runtime?

Question

In maven it is very easy to set properties in a pom with the following syntax:

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  4.06.17.6
          


        

Answer 1

You can use maven build-helper plugin, in particular its regex-property mojo. Take a look at usage examples (scroll to Set a property by applying a regex replacement to a value section).

Basically you want something like that in your pom to get myVersionTag property inferred from myValue:

  ...
  
    
      
        org.codehaus.mojo
        build-helper-maven-plugin
        1.7
        
          
            regex-property
            
              regex-property
            
            
              myVersionTag
              $\{myValue}
              (\d+)\.(\d+)\.(\d+)\.(\d+)
              V_$1_$2_$3_P$4
            
          
        
      
    
  
  ...