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);
}
