[#74] Add OSGi entries to JAR manifest

build.gradle

@@ -34,7 +34,7 @@ task libsJar(type: Jar, dependsOn: classes) {
     from sourceSets.main.output
 
     manifest {
-        attributes('Automatic-Module-Name': 'de.mkammerer.argon2')
+        attributes(manifestAttributes())
     }
 }
 
@@ -53,7 +53,7 @@ task noLibsJar(type: Jar, dependsOn: classes) {
     from sourceSets.main.output.classesDirs
 
     manifest {
-        attributes('Automatic-Module-Name': 'de.mkammerer.argon2')
+        attributes(manifestAttributes())
     }
 }
 
@@ -69,6 +69,9 @@ task noLibsJavadocJar(type: Jar, dependsOn: javadoc) {
     from javadoc.destinationDir
 }
 
+// When running build, create all the JARs
+build.dependsOn(libsJar, libsSourcesJar, libsJavadocJar, noLibsJar, noLibsSourcesJar, noLibsJavadocJar)
+
 publishing {
     publications {
         libs(MavenPublication) {
@@ -145,3 +148,18 @@ private def configurePom(org.gradle.api.publish.maven.MavenPom pom) {
         }
     }
 }
+
+/**
+ * Creates the JAR attributes for the MANIFEST.MD
+ */
+private Map<String, Object> manifestAttributes() {
+    return [
+            'Automatic-Module-Name' : 'de.mkammerer.argon2',
+            // OSGI stuff
+            'Bundle-ManifestVersion': '2',
+            'Bundle-SymbolicName'   : 'de.mkammerer.argon2',
+            'Bundle-Version'        : project.version,
+            'Export-Package'        : 'de.mkammerer.argon2, de.mkammerer.argon2.jna',
+            'Import-Package'        : 'com.sun.jna'
+    ]
+}