1 files changed, 65 insertions, 0 deletions
diff --git a/java/src/IceInternal/ObserverHelper.java b/java/src/IceInternal/ObserverHelper.java
new file mode 100644
index 00000000000..754a57098bf
--- /dev/null
+++ b/java/src/IceInternal/ObserverHelper.java
@@ -0,0 +1,65 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2012 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+package IceInternal;
+
+import Ice.Instrumentation.CommunicatorObserver;
+import Ice.Instrumentation.InvocationObserver;
+
+public final class ObserverHelper
+{
+    static public InvocationObserver
+    get(Instance instance, String op)
+    {
+        CommunicatorObserver obsv = instance.initializationData().observer;
+        if(obsv != null)
+        {
+            InvocationObserver observer = obsv.getInvocationObserver(null, op, _emptyContext);
+            if(observer != null)
+            {
+                observer.attach();
+            }
+            return observer;
+        }
+        return null;
+    }
+
+    static public InvocationObserver
+    get(Ice.ObjectPrx proxy, String op)
+    {
+        return get(proxy, op, null);
+    }
+
+    static public InvocationObserver
+    get(Ice.ObjectPrx proxy, String op, java.util.Map<String, String> context)
+    {
+        CommunicatorObserver obsv = 
+            ((Ice.ObjectPrxHelperBase)proxy).__reference().getInstance().initializationData().observer;
+        if(obsv != null)
+        {
+            InvocationObserver observer;
+            if(context == null)
+            {
+                observer = obsv.getInvocationObserver(proxy, op, _emptyContext);
+            }
+            else
+            {
+                observer = obsv.getInvocationObserver(proxy, op, context);
+            }
+            if(observer != null)
+            {
+                observer.attach();
+            }
+            return observer;
+        }
+        return null;
+    }
+
+    private static final java.util.Map<String, String> _emptyContext = new java.util.HashMap<String, String>();
+}