robovm/plugins/eclipse/feature/pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>com.mobidevelop.robovm</groupId>
    <artifactId>org.robovm.eclipse.parent</artifactId>
    <version>2.3.6-SNAPSHOT</version>
  </parent>

  <artifactId>org.robovm.eclipse.feature</artifactId>
  <name>RoboVM for Eclipse Feature</name>
  <packaging>eclipse-feature</packaging>

  <properties>
    <licenseTxtURL>file://${basedir}/../LICENSE.txt</licenseTxtURL>
    <licenseURL>http://www.gnu.org/licenses/gpl-2.0.html</licenseURL>
  </properties>

  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-jar-plugin</artifactId>
      </plugin>

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-antrun-plugin</artifactId>
        <version>1.7</version>
        <executions>
          <execution>
            <id>create-feature-properties</id>
            <phase>validate</phase>
            <configuration>
              <target>
                <fail message="The properties licenseTxtURL and licenseURL must be specified">
                  <condition>
                    <or>
                      <equals arg1="${licenseTxtURL}" arg2="unknown"/>
                      <equals arg1="${licenseURL}" arg2="unknown"/>
                    </or>
                  </condition>
                </fail>
                <echo message="Downloading license text from ${licenseTxtURL}"/>
                <loadresource property="license">
                  <url url="${licenseTxtURL}"/>
                </loadresource>
                <propertyfile file="${basedir}/feature.properties">
                  <entry key="licenseURL" value="${licenseURL}"/>
                  <entry key="license" value="${license}"/>
                </propertyfile>
              </target>
            </configuration>
            <goals>
              <goal>run</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>
</project>