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changeset 9950:39e80694d2ef

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8046070: Class Data Sharing clean up and refactoring Summary: Cleaned up CDS to be more configurable, maintainable and extensible Reviewed-by: dholmes, coleenp, acorn, mchung
author iklam
date Thu, 21 Aug 2014 13:57:57 -0700
parents 3c901cd1b8f9
children 20f82ad73a93
files src/share/classes/java/net/URLClassLoader.java
diffstat 1 files changed, 25 insertions(+), 18 deletions(-) [+]
line wrap: on
line diff
--- a/src/share/classes/java/net/URLClassLoader.java	Thu Aug 28 14:04:38 2014 -0700
+++ b/src/share/classes/java/net/URLClassLoader.java	Thu Aug 21 13:57:57 2014 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2014, 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
@@ -407,6 +407,29 @@
         return pkg;
     }
 
+    // Also called by VM to define Package for classes loaded from the CDS
+    // archive
+    private void definePackageInternal(String pkgname, Manifest man, URL url)
+    {
+        if (getAndVerifyPackage(pkgname, man, url) == null) {
+            try {
+                if (man != null) {
+                    definePackage(pkgname, man, url);
+                } else {
+                    definePackage(pkgname, null, null, null, null, null, null, null);
+                }
+            } catch (IllegalArgumentException iae) {
+                // parallel-capable class loaders: re-verify in case of a
+                // race condition
+                if (getAndVerifyPackage(pkgname, man, url) == null) {
+                    // Should never happen
+                    throw new AssertionError("Cannot find package " +
+                                             pkgname);
+                }
+            }
+        }
+    }
+
     /*
      * Defines a Class using the class bytes obtained from the specified
      * Resource. The resulting Class must be resolved before it can be
@@ -420,23 +443,7 @@
             String pkgname = name.substring(0, i);
             // Check if package already loaded.
             Manifest man = res.getManifest();
-            if (getAndVerifyPackage(pkgname, man, url) == null) {
-                try {
-                    if (man != null) {
-                        definePackage(pkgname, man, url);
-                    } else {
-                        definePackage(pkgname, null, null, null, null, null, null, null);
-                    }
-                } catch (IllegalArgumentException iae) {
-                    // parallel-capable class loaders: re-verify in case of a
-                    // race condition
-                    if (getAndVerifyPackage(pkgname, man, url) == null) {
-                        // Should never happen
-                        throw new AssertionError("Cannot find package " +
-                                                 pkgname);
-                    }
-                }
-            }
+            definePackageInternal(pkgname, man, url);
         }
         // Now read the class bytes and define the class
         java.nio.ByteBuffer bb = res.getByteBuffer();