Template extension spring configuration support

- similar pattern to existing script bean extension support
 - new root model helper objects and custom methods can be added via spring configuration
Cleanup of script extension spring support
Fix to thread safety of configured script extension beans that use the Scopable interface

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5369 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/jscript/CrossRepositoryCopy.java

@@ -37,24 +37,13 @@ import org.mozilla.javascript.Scriptable;
  * 
  * @author Kevin Roast
  */
-public final class CrossRepositoryCopy extends BaseScriptImplementation implements Scopeable
+public final class CrossRepositoryCopy extends BaseScopableScriptImplementation
 {
     public final static String BEAN_NAME = "crossCopyScript";
     
     /** Service registry */
     private ServiceRegistry services;
     
-    /** Root scope for this object */
-    private Scriptable scope;
-
-    /**
-     * @see org.alfresco.repo.jscript.Scopeable#setScope(org.mozilla.javascript.Scriptable)
-     */
-    public void setScope(Scriptable scope)
-    {
-        this.scope = scope;
-    }
-    
     /**
      * Set the service registry
      * 
@@ -98,7 +87,7 @@ public final class CrossRepositoryCopy extends BaseScriptImplementation implemen
             AVMNodeDescriptor node = this.services.getAVMService().lookup(-1, destPath);
             if (node != null)
             {
-                result = ((AVMNode)dest).newInstance(destPath, -1, this.services, this.scope);
+                result = ((AVMNode)dest).newInstance(destPath, -1, this.services, getScope());
             }
         }
         else if (dest.getNodeRef().getStoreRef().getProtocol().equals(StoreRef.PROTOCOL_WORKSPACE))