Report as json

main.java

            WebReportSource reportSource = adminSession.getFactory().getReportSource();
            WebReportExecutionSettings webReportExecutionSettings = reportSource.newExecutionSettings();
            webReportExecutionSettings.setSource("your-cube-id",
                EnumWebReportSourceType.WebReportSourceTypeCube);
            WebReportInstance webReportInstance = reportSource.getNewInstance(webReportExecutionSettings);
            webReportInstance.setExecutionMode(EnumWebReportExecutionModes.REPORT_MODE_PLAIN_TEXT);
            webReportInstance.getExportSettings().setMode(EnumDSSXMLExportFormat.DssXmlExportJSON);
            webReportInstance.setAsync(false);
            webReportInstance.pollStatus();
            System.out.println(webReportInstance.getResultsAsJSON());