Bug 302791 [CommonNavigator] Associated editor does not close when deleting resource (editorInput) through CommonNavigator
bundles/org.eclipse.ui.navigator/src/org/eclipse/ui/internal/navigator/dnd/CommonDropAdapterDescriptor.java
NavigatorPlugin.logError(0, e.getMessage(), e);
			}
		}
		return false;
	}
	/**
	 * 
	 * @return An instance of {@link CommonDropAdapterAssistant} from the
	 *         descriptor or {@link SkeletonCommonDropAssistant}.
	 */
	public CommonDropAdapterAssistant createDropAssistant() {
		try {
			return (CommonDropAdapterAssistant) element
					.createExecutableExtension(ATT_CLASS);
		} catch (CoreException e) {
			NavigatorPlugin.logError(0, e.getMessage(), e);
		} catch (RuntimeException re) {
			NavigatorPlugin.logError(0, re.getMessage(), re);
		}
		return SkeletonCommonDropAssistant.INSTANCE;
	}
	/**
	 * 
	 * @return The content descriptor that contains this drop descriptor.
	 */
	public INavigatorContentDescriptor getContentDescriptor() {
		return contentDescriptor;
	}
}