re PR libgcj/21785 (ClassNotFound during deserialization)

	PR libgcj/21785:
	* java/io/natObjectInputStream.cc (currentClassLoader): Removed.
	(currentLoader): New method.
	* java/io/ObjectInputStream.java (resolveProxyClass): Use
	currentLoader.
	(currentLoader): Now native.
	(currentClassLoader): Removed.
	* testsuite/libjava.lang/pr21785.java: New file.
	* testsuite/libjava.lang/pr21785.out: New file.

From-SVN: r100462

1 files changed, 5 insertions, 29 deletions

diff --git a/libjava/java/io/ObjectInputStream.java b/libjava/java/io/ObjectInputStream.java
index 2cfe4c9..0a97486 100644
--- a/libjava/java/io/ObjectInputStream.java
+++ b/libjava/java/io/ObjectInputStream.java
@@ -783,21 +783,11 @@ public class ObjectInputStream extends InputStream
   }
 
   /**
-   * This method invokes the method currentClassLoader for the
-   * current security manager (or build an empty one if it is not
-   * present).
-   *
-   * @return The most recent non-system ClassLoader on the execution stack.
-   * @see java.lang.SecurityManager#currentClassLoader()
+   * Returns he most recent user defined ClassLoader on the execution stack
+   * or null of none is found.
    */
-  private ClassLoader currentLoader()
-  {
-    SecurityManager sm = System.getSecurityManager();
-    if (sm == null)
-      sm = new SecurityManager () {};
-    
-    return currentClassLoader(sm);
-  }
+  // GCJ LOCAL: native method.
+  private native ClassLoader currentLoader();
 
   /**
    * Lookup a class stored in the local hashtable. If it is not
@@ -883,12 +873,7 @@ public class ObjectInputStream extends InputStream
   protected Class resolveProxyClass(String[] intfs)
     throws IOException, ClassNotFoundException
   {
-    SecurityManager sm = System.getSecurityManager();
-    
-    if (sm == null)
-      sm = new SecurityManager() {};
-    
-    ClassLoader cl = currentClassLoader(sm);
+    ClassLoader cl = currentLoader();
     
     Class[] clss = new Class[intfs.length];
     if(cl == null)
@@ -1866,15 +1851,6 @@ public class ObjectInputStream extends InputStream
       }
   }
 
-  /**
-   * This native method is used to get access to the protected method
-   * of the same name in SecurityManger.
-   *
-   * @param sm SecurityManager instance which should be called.
-   * @return The current class loader in the calling stack.
-   */
-  private static native ClassLoader currentClassLoader (SecurityManager sm);
-
   private void callReadMethod (Method readObject, Class klass, Object obj)
     throws ClassNotFoundException, IOException
   {