eclipse平台升级- 粘贴功能失效

???? eclispe从3.3升级到3.7.2时出现粘贴功能不好使。以下是代码的对比：

? eclipse3.3中

            Object destination = getTarget(javaElements, resources);   if (destination instanceof IJavaElement)                ReorgCopyStarter                        .create(clipboardJavaElements, clipboardResources, (IReorgDestination) destination)                        .run(getShell());            else if (destination instanceof IResource)                ReorgCopyStarter                        .create(clipboardJavaElements, clipboardResources, (IReorgDestination) destination)                        .run(getShell());

eclipse3.7中

 Object destination = getTarget(javaElements, resources);                        ReorgCopyStarter                    .create(clipboardJavaElements, clipboardResources, ReorgDestinationFactory.createDestination(destination))                    .run(getShell());

IJavaElement IResource