Move compiler properties to profiles

Author: dwalluck

pom.xml

@@ -37,8 +37,6 @@
 
     <properties>
         <!-- Maven Build Properties -->
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <maven.javadoc.failOnError>false</maven.javadoc.failOnError>
@@ -276,11 +274,24 @@
     </build>
 
     <profiles>
+        <profile>
+            <id>jdk9+</id>
+            <activation>
+                <jdk>[9, )</jdk>
+            </activation>
+            <properties>
+                <maven.compiler.release>8</maven.compiler.release>
+            </properties>
+        </profile>
         <profile>
             <id>jdk18</id>
             <activation>
                 <jdk>1.8</jdk>
             </activation>
+            <properties>
+                <maven.compiler.source>1.8</maven.compiler.source>
+                <maven.compiler.target>1.8</maven.compiler.target>
+            </properties>
             <build>
                 <pluginManagement>
                     <plugins>