#5 Use the Java 9 API to parse module descriptors

Extend plexus-release profile with Java 9 check

Author: rfscholte

pom.xml

@@ -55,6 +55,16 @@
             <autoVersionSubmodules>true</autoVersionSubmodules>
           </configuration>
         </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-source-plugin</artifactId>
+          <version>3.0.1</version>
+        </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-javadoc-plugin</artifactId>
+          <version>3.0.0</version>
+        </plugin>
       </plugins>
     </pluginManagement>
     <plugins>
@@ -67,4 +77,34 @@
       </plugin>
     </plugins>
   </build>
+  
+  <profiles>
+    <profile>
+      <id>plexus-release</id>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-enforcer-plugin</artifactId>
+            <version>3.0.0-M1</version>
+            <executions>
+              <execution>
+                <id>enforce-java</id>
+                <goals>
+                  <goal>enforce</goal>
+                </goals>
+                <configuration>
+                  <rules>
+                    <requireJavaVersion>
+                      <version>9</version>
+                    </requireJavaVersion>
+                  </rules>    
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
 </project>