test/jtreg-ext/requires/VMProps.java

*** 20,38 ****
--- 20,42 ----
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  package requires;
  
+ import java.io.BufferedInputStream;
+ import java.io.FileInputStream;
  import java.io.IOException;
+ import java.io.InputStream;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.nio.file.StandardOpenOption;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
+ import java.util.Properties;
  import java.util.concurrent.Callable;
  import java.util.concurrent.TimeUnit;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
*** 77,86 ****
--- 81,91 ----
          map.put("vm.cds.custom.loaders", vmCDSForCustomLoaders());
          map.put("vm.cds.archived.java.heap", vmCDSForArchivedJavaHeap());
          // vm.graal.enabled is true if Graal is used as JIT
          map.put("vm.graal.enabled", isGraalEnabled());
          map.put("docker.support", dockerSupport());
+         map.put("release.implementor", implementor());
          vmGC(map); // vm.gc.X = true/false
          vmOptFinalFlags(map);
  
          VMProps.dump(map);
          return map;
*** 419,428 ****
--- 424,445 ----
  
          return (p.exitValue() == 0);
      }
  
  
+     private String implementor() {
+         try (InputStream in = new BufferedInputStream(new FileInputStream(
+                 System.getProperty("java.home") + "/release"))) {
+             Properties properties = new Properties();
+             properties.load(in);
+             return properties.getProperty("IMPLEMENTOR").replace("\"", "");
+         } catch (IOException e) {
+             e.printStackTrace();
+         }
+         return null;
+     }
+ 
  
      /**
       * Dumps the map to the file if the file name is given as the property.
       * This functionality could be helpful to know context in the real
       * execution.