diff options
Diffstat (limited to 'libjava/gnu/classpath/jdwp/VMIdManager.java')
| -rw-r--r-- | libjava/gnu/classpath/jdwp/VMIdManager.java | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libjava/gnu/classpath/jdwp/VMIdManager.java b/libjava/gnu/classpath/jdwp/VMIdManager.java index 8d423e9b0d6..f787a8cdc7f 100644 --- a/libjava/gnu/classpath/jdwp/VMIdManager.java +++ b/libjava/gnu/classpath/jdwp/VMIdManager.java @@ -1,7 +1,7 @@ /* VMIdManager.java -- A reference/example implementation of a manager for JDWP object/reference type IDs - Copyright (C) 2005, 2006 Free Software Foundation + Copyright (C) 2005, 2006, 2007 Free Software Foundation This file is part of GNU Classpath. @@ -337,6 +337,10 @@ public class VMIdManager */ public ObjectId getObjectId (Object theObject) { + // Special case: null object. + if (theObject == null) + return new NullObjectId (); + ReferenceKey ref = new ReferenceKey (theObject, _refQueue); ObjectId id = (ObjectId) _oidTable.get (ref); if (id == null) @@ -364,6 +368,10 @@ public class VMIdManager public ObjectId get (long id) throws InvalidObjectException { + // Special case: null object id. + if (id == 0) + return new NullObjectId (); + ObjectId oid = (ObjectId) _idTable.get (new Long (id)); if (oid == null) throw new InvalidObjectException (id); |