java maven copyright

Try switching to the com.mycila:license-maven-plugin. Their documentation is very easy to follow.

Create a template in a file

For example, put in 

license-header.txt

:

Copyright (C) ${license.years} ${license.owner} <${license.email}>

====================================================================
This software is the property of ${license.owner}. Etc. Etc. 
====================================================================
           

Configure the plugin

<plugin>
  <groupId>com.mycila</groupId>
  <artifactId>license-maven-plugin</artifactId>
  <configuration>
    <header>license-header.txt</header>   
    <properties>
      <license.owner>My Company</license.owner>
      <license.years>2009 - 2018</license.years>
      <license.email>[email protected]</license.email>
    </properties>
    <includes>
      <include>src/*/java/**/*.java</include>
    </includes>
  </configuration>
  <executions>
    <execution>
      <id>first</id>
      <goals>
        <goal>check</goal>
      </goals>
      <phase>process-sources</phase>
    </execution>
  </executions>
</plugin>
           

You can format with 

mvn license:format

 or just change the goal in the configuration to 

format

 to do it in every run.

ref:http://www.mojohaus.org/license-maven-plugin/header.html