src/share/classes/sun/misc/Version.java.template

*** 1,7 ****
  /*
!  * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 36,45 ****
--- 36,48 ----
          "@@java_version@@";
  
      private static final String java_runtime_name =
          "@@java_runtime_name@@";
  
+     private static final String java_profile_name =
+         "@@java_profile_name@@";
+ 
      private static final String java_runtime_version =
          "@@java_runtime_version@@";
  
      static {
          init();
*** 47,56 ****
--- 50,61 ----
  
      public static void init() {
          System.setProperty("java.version", java_version);
          System.setProperty("java.runtime.version", java_runtime_version);
          System.setProperty("java.runtime.name", java_runtime_name);
+         if (java_profile_name.length() > 0)
+             System.setProperty("java.runtime.profile", java_profile_name);
      }
  
      private static boolean versionsInitialized = false;
      private static int jvm_major_version = 0;
      private static int jvm_minor_version = 0;
*** 100,109 ****
--- 105,119 ----
  
          /* Second line: runtime version (ie, libraries). */
  
          ps.print(java_runtime_name + " (build " + java_runtime_version);
  
+         if (java_profile_name.length() > 0) {
+             // profile name
+             ps.print(", profile " + java_profile_name);
+         }
+ 
          if (java_runtime_name.indexOf("Embedded") != -1 && isHeadless) {
              // embedded builds report headless state
              ps.print(", headless");
          }
          ps.println(')');
*** 330,339 ****
--- 340,409 ----
      //
      // Return false if not available which implies an old VM (Tiger or before).
      private static native boolean getJvmVersionInfo();
      private static native void getJdkVersionInfo();
  
+     // Possible runtime profiles, ordered from small to large
+     private final static String[] PROFILES = { "compact1", "compact2", "compact3" };
+ 
+     /**
+      * Returns the name of the profile that this runtime implements. The empty
+      * string is returned for the full Java Runtime.
+      */
+     public static String profileName() {
+         return java_profile_name;
+     }
+ 
+     /**
+      * Indicates if this runtime implements the full Java Runtime.
+      */
+     public static boolean isFullJre() {
+         return java_profile_name.length() == 0;
+     }
+ 
+     // cached index of this profile's name in PROFILES
+     private static int thisRuntimeIndex = -1;
+ 
+     /**
+      * Indicates if this runtime supports the given profile. Profile names are
+      * compared without regard to case. Returns {@code false} if the given profile
+      * name is not a supported profile.
+      */
+     public static boolean supportsProfile(String requiredProfile) {
+         int x = thisRuntimeIndex;
+         if (x < 0) {
+             String profile = profileName();
+             if (profile.length() > 0) {
+                 x = 0;
+                 while (x < PROFILES.length) {
+                     if (PROFILES[x].equalsIgnoreCase(profile))
+                         break;
+                     x++;
+                 }
+                 if (x >= PROFILES.length)
+                     throw new InternalError(profile + " not known to sun.misc.Version");
+ 
+                 // okay if another thread has already set it
+                 thisRuntimeIndex = x;
+             }
+             // else we are a full JRE
+         }
+ 
+         int y = 0;
+         while (y < PROFILES.length) {
+             if (PROFILES[y].equalsIgnoreCase(requiredProfile))
+                 break;
+             y++;
+         }
+         if (y >= PROFILES.length) {
+             // profile not found so caller has requested something that is not defined
+             return false;
+         }
+ 
+         return x < 0 || x >= y;
+     }
+ 
  }
  
  // Help Emacs a little because this file doesn't end in .java.
  //
  // Local Variables: ***