/**
* Execute a service call based on the data in the binder using the credentials of the supplied
* user
*/
public static void executeService(
DataBinder binder, String userName, boolean suppressServiceError)
throws DataException, ServiceException {
// obtain a connection to the database
Workspace workspace = getSystemWorkspace();
// check for an IdcService value
String cmd = binder.getLocal("IdcService");
if (cmd == null) throw new DataException("!csIdcServiceMissing");
// obtain the service definition
ServiceData serviceData = ServiceManager.getFullService(cmd);
if (serviceData == null)
throw new DataException(LocaleUtils.encodeMessage("!csNoServiceDefined", null, cmd));
// create the service object for this service
Service service =
ServiceManager.createService(serviceData.m_classID, workspace, null, binder, serviceData);
// obtain the full user data for this user
UserData fullUserData = getFullUserData(userName, service, workspace);
service.setUserData(fullUserData);
binder.m_environment.put("REMOTE_USER", userName);
ServiceException error = null;
try {
// init the service to not send HTML back
service.setSendFlags(true, true);
// create all the ServiceHandlers and implementors
service.initDelegatedObjects();
// do a security check
service.globalSecurityCheck();
// prepare for the service
service.preActions();
// execute the service
service.doActions();
// do any cleanup
service.postActions();
// store any new personalization data
service.updateSubjectInformation(true);
service.updateTopicInformation(binder);
} catch (ServiceException e) {
error = e;
} finally {
// Remove all the temp files.
service.cleanUp(true);
workspace.releaseConnection();
}
// handle any error
if (error != null) {
if (suppressServiceError) {
error.printStackTrace();
if (binder.getLocal("StatusCode") == null) {
binder.putLocal("StatusCode", String.valueOf(error.m_errorCode));
binder.putLocal("StatusMessage", error.getMessage());
}
} else {
throw new ServiceException(error.m_errorCode, error.getMessage());
}
}
}
/**
* Wrapper for addJavascript/Stylesheet
*
* @param type
* @param contentId
* @param group
* @param order
* @throws DataException
*/
private void addScript(DataBinder binder, int type, String contentId, String group, long order) {
DataResultSet rsItems = (DataResultSet) binder.getResultSet(BINDER_RESULT_SET);
if (rsItems == null) {
rsItems = createScriptsResultSet(binder);
}
Vector<String> values = new Vector<String>();
values.add(Integer.toString(type));
values.add(contentId);
values.add(group);
values.add(Long.toString(order));
rsItems.addRow(values);
binder.addResultSet(BINDER_RESULT_SET, rsItems);
}
/**
* Creates the resultset which stores the script information.
*
* @param type
* @param contentId
* @param group
* @param order
*/
private DataResultSet createScriptsResultSet(DataBinder binder) {
String[] fields = new String[] {"type", "script", "group", "sort"};
DataResultSet rsItems = new DataResultSet(fields);
binder.addResultSet(BINDER_RESULT_SET, rsItems);
return rsItems;
}
/**
* Simple wrapper to the WSU_COMBINE_SCRIPTS service
*
* @param type Content type: text/css or text/javascript
* @param items Comma separated list of content items
* @param compress Whether to compress the combined result
* @return Html script tag
* @throws ServiceException
* @throws DataException
*/
private static String combineScripts(
DataBinder binder, int type, List<String> items, String group, boolean compress)
throws IllegalArgumentException, DataException, ServiceException {
DataBinder serviceBinder = new DataBinder();
serviceBinder.putLocal("IdcService", "WSU_COMBINE_SCRIPTS");
String dUser = binder.getLocal("dUser");
if (dUser == null || dUser.equals("")) {
dUser = "******";
}
if (compress) {
serviceBinder.putLocal("compress", "true");
} else {
serviceBinder.putLocal("compress", "false");
}
serviceBinder.putLocal("items", StringUtils.join(items, ","));
if (type == WSUServiceHandler.TYPE_CSS) {
serviceBinder.putLocal("type", "css");
} else {
serviceBinder.putLocal("type", "js");
}
serviceBinder.putLocal("group", group);
executeService(serviceBinder, dUser, false);
String filePath = serviceBinder.getLocal("filePath");
String groupClause = String.format(" id=\"wsu-combined-%d-group-%s\"", type, group);
if (type == WSUServiceHandler.TYPE_CSS) {
return String.format(TAG_TEMPLATE_CSS, filePath, groupClause);
}
return String.format(TAG_TEMPLATE_JS, filePath, groupClause);
}
/**
* Wrapper for renderJavascripts/stylesheets
*
* @param type
* @param group
* @return
* @throws ServiceException
* @throws DataException
* @throws IllegalArgumentException
*/
private static String renderScripts(DataBinder binder, int type, String group)
throws IllegalArgumentException, DataException, ServiceException {
boolean compress = SharedObjects.getEnvValueAsBoolean(ENV_COMPRESS_SCRIPTS, false);
DataResultSet rsItems = (DataResultSet) binder.getResultSet(BINDER_RESULT_SET);
if (rsItems == null || rsItems.isEmpty()) {
SystemUtils.trace("system", "Resultset was empty.");
return "";
}
List<String> scripts = new ArrayList<String>();
rsItems.first();
do {
@SuppressWarnings("unchecked")
Vector<String> scriptRow = rsItems.getCurrentRowValues();
if (scriptRow.get(SCRIPT_ROW_TYPE).equals(Integer.toString(type))
&& scriptRow.get(SCRIPT_ROW_GROUP).equalsIgnoreCase(group)) {
scripts.add(scriptRow.get(SCRIPT_ROW_PATH));
}
} while (rsItems.next());
if (scripts.size() > 0) {
// return single script with combined content
if (SharedObjects.getEnvValueAsBoolean(ENV_COMBINE_SCRIPTS, false)) {
return combineScripts(binder, type, scripts, group, compress);
}
// return individual script tags
return writeScriptTags(type, scripts);
}
return "";
}
