test/tools/jar/modularJar/src/foo/jdk/test/foo/Foo.java

rev 14541 : 8156497: Add jar tool support for Multi-Release Modular JARs
Reviewed-by:

@@ -24,22 +24,44 @@
  */
 
 package jdk.test.foo;
 
 import java.lang.module.ModuleDescriptor;
+import java.lang.module.ModuleDescriptor.Exports;
+import java.lang.module.ModuleDescriptor.Requires;
 import java.util.StringJoiner;
 
 import jdk.test.foo.internal.Message;
 
 public class Foo {
     public static void main(String[] args) {
         System.out.println("message:" + Message.get());
 
         ModuleDescriptor md = Foo.class.getModule().getDescriptor();
         System.out.println("nameAndVersion:" + md.toNameAndVersion());
-        System.out.println("mainClass:" + md.mainClass().get());
+        md.mainClass().ifPresent(mc -> System.out.println("mainClass:" + mc));
 
         StringJoiner sj = new StringJoiner(",");
+        md.requires().stream().map(Requires::name).sorted().forEach(sj::add);
+        System.out.println("requires:" + sj.toString());
+
+        sj = new StringJoiner(",");
+        md.exports().stream().map(Exports::source).sorted().forEach(sj::add);
+        if (!sj.toString().equals(""))
+            System.out.println("exports:" + sj.toString());
+
+        sj = new StringJoiner(",");
+        md.uses().stream().sorted().forEach(sj::add);
+        if (!sj.toString().equals(""))
+            System.out.println("uses:" + sj.toString());
+
+        sj = new StringJoiner(",");
+        md.provides().keySet().stream().sorted().forEach(sj::add);
+        if (!sj.toString().equals(""))
+            System.out.println("provides:" + sj.toString());
+
+        sj = new StringJoiner(",");
         md.conceals().forEach(sj::add);
+        if (!sj.toString().equals(""))
         System.out.println("conceals:" + sj.toString());
     }
 }