create Multi-Release-Jar with module-info.java

Author: overheadhunter

pom.xml

@@ -42,6 +42,22 @@
                 <configuration>
 					<release>7</release>
 				</configuration>
+                <executions>
+					<execution>
+						<id>java9</id>
+						<phase>compile</phase>
+						<goals>
+							<goal>compile</goal>
+						</goals>
+						<configuration>
+							<release>9</release>
+							<compileSourceRoots>
+								<compileSourceRoot>${project.basedir}/src/main/java9</compileSourceRoot>
+							</compileSourceRoots>
+							<multiReleaseOutput>true</multiReleaseOutput>
+						</configuration>
+					</execution>
+				</executions>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
@@ -62,6 +78,18 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+					<archive>
+						<manifestEntries>
+							<Multi-Release>true</Multi-Release>
+							<Sealed>true</Sealed>
+						</manifestEntries>
+					</archive>
+				</configuration>
+            </plugin>
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>

src/main/java9/module-info.java

@@ -0,0 +1,3 @@
+module at.favre.lib.hkdf {
+	exports at.favre.lib.crypto; // FIXME split package with other libs, such as at.favre.lib:bcrypt
+}