Bug 120345 Need a URL generator API from Engine
The Chart Engine needs the ability to generate a viewer URL from an ActionHandle, this can be provided by a Report Engine public API for instance. The URL should usable as is by the viewer without any additional change. The Chart Engine can take care of evaluating the expressions inside the ActionHandle before calling the Report Engine API if necessary.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
object = coreWrapper.wrap( cx, scope, obj, staticType );
				if ( object != obj )
				{
					return object;
				}
				return super.wrap( cx, scope, obj, staticType );
			}
		} );
		new ModelJavaScriptInitializer( ).initialize( cx, scope );
		new CoreJavaScriptInitializer( ).initialize( cx, scope );
	}
	/**
	 * get the report engine. In that engine, we create the context.
	 * 
	 * @return the report engine used to create the context.
	 */
	public ReportEngine getEngine( )
	{
		return engine;
	}
	/**
	 * returns taskID as string. The value can be used for logging.
	 * 
	 * @return taskID as string
	 */
	public String getTaskIDString( )
	{
		return taskIDString;
	}
	/**