protected void processSetting( HttpServletRequest request, HttpServletResponse response, String lti_message_type, Site site, String siteId, String placement_id, Properties pitch, String user_id, Map<String, Object> theMap) throws java.io.IOException { String setting = null; // Check for permission in placement String allowSetting = pitch.getProperty(LTIService.LTI_ALLOWSETTINGS); if (!"on".equals(allowSetting)) { doError( request, response, theMap, "outcomes.invalid", "lti_message_type=" + lti_message_type, null); return; } SakaiBLTIUtil.pushAdvisor(); boolean success = false; try { if ("basic-lti-loadsetting".equals(lti_message_type)) { setting = pitch.getProperty(LTIService.LTI_SETTINGS_EXT); // Remove this after the DB conversion for SAK-25621 is completed // It is harmless until LTI 2.0 starts to get heavy use. if (setting == null) { setting = pitch.getProperty(LTIService.LTI_SETTINGS); } if (setting != null) { theMap.put("/message_response/setting/value", setting); } success = true; } else { if (SakaiBLTIUtil.isPlacement(placement_id)) { ToolConfiguration placement = SiteService.findTool(placement_id); if ("basic-lti-savesetting".equals(lti_message_type)) { setting = request.getParameter("setting"); if (setting == null) { M_log.warn("No setting parameter"); doError(request, response, theMap, "setting.empty", "", null); } else { if (setting.length() > 8096) setting = setting.substring(0, 8096); placement.getPlacementConfig().setProperty("toolsetting", setting); } } else if ("basic-lti-deletesetting".equals(lti_message_type)) { placement.getPlacementConfig().remove("toolsetting"); } try { placement.save(); success = true; } catch (Exception e) { doError(request, response, theMap, "setting.save.fail", "", e); } } else { Map<String, Object> content = null; String contentStr = pitch.getProperty("contentKey"); Long contentKey = foorm.getLongKey(contentStr); if (contentKey >= 0) content = ltiService.getContentDao(contentKey, siteId); if (content != null) { if ("basic-lti-savesetting".equals(lti_message_type)) { setting = request.getParameter("setting"); if (setting == null) { M_log.warn("No setting parameter"); doError(request, response, theMap, "setting.empty", "", null); } else { if (setting.length() > 8096) setting = setting.substring(0, 8096); content.put(LTIService.LTI_SETTINGS_EXT, setting); success = true; } } else if ("basic-lti-deletesetting".equals(lti_message_type)) { content.put(LTIService.LTI_SETTINGS_EXT, null); success = true; } if (success) { Object result = ltiService.updateContentDao(contentKey, content, siteId); if (result instanceof String) { M_log.warn("Setting update failed: " + result); doError(request, response, theMap, "setting.fail", "", null); success = false; } } } } } } catch (Exception e) { doError(request, response, theMap, "setting.fail", "", e); } finally { SakaiBLTIUtil.popAdvisor(); } if (!success) return; theMap.put("/message_response/statusinfo/codemajor", "Success"); theMap.put("/message_response/statusinfo/severity", "Status"); theMap.put("/message_response/statusinfo/codeminor", "fullsuccess"); String theXml = XMLMap.getXML(theMap, true); PrintWriter out = response.getWriter(); out.println(theXml); }