JukeboxPortletDataHandler.java 文件源码

@Override
protected String doExportData(
        PortletDataContext portletDataContext, String portletId,
        PortletPreferences portletPreferences)
    throws Exception {

    Element rootElement = addExportDataRootElement(portletDataContext);

    if (portletDataContext.getBooleanParameter(NAMESPACE, "albums")) {
        ActionableDynamicQuery albumActionableDynamicQuery =
            new AlbumExportActionableDynamicQuery(portletDataContext);

        albumActionableDynamicQuery.performActions();
    }

    if (portletDataContext.getBooleanParameter(NAMESPACE, "artists")) {
        ActionableDynamicQuery artistActionableDynamicQuery =
            new ArtistExportActionableDynamicQuery(portletDataContext);

        artistActionableDynamicQuery.performActions();
    }

    return getExportDataRootElementString(rootElement);
}