public void handle(String beanName, String method, HttpServletRequest request, HttpServletResponse response,
Locale locale) throws Exception {
MethodInfo methodInfo = MethodInfoCache.INSTANCE.get(beanName, method);
SSEvent result = null;
SSEWriter sseWriter = new SSEWriter(response);
if (methodInfo != null) {
try {
Object[] parameters = configurationService.getParametersResolver().prepareParameters(request, response,
locale, methodInfo, sseWriter);
Object methodReturnValue = null;
if (configurationService.getConfiguration().isSynchronizeOnSession()
|| methodInfo.isSynchronizeOnSession()) {
HttpSession session = request.getSession(false);
if (session != null) {
Object mutex = WebUtils.getSessionMutex(session);
synchronized (mutex) {
methodReturnValue = ExtDirectSpringUtil.invoke(
configurationService.getApplicationContext(), beanName, methodInfo, parameters);
}
} else {
methodReturnValue = ExtDirectSpringUtil.invoke(configurationService.getApplicationContext(),
beanName, methodInfo, parameters);
}
} else {
methodReturnValue = ExtDirectSpringUtil.invoke(configurationService.getApplicationContext(),
beanName, methodInfo, parameters);
}
if (methodReturnValue instanceof SSEvent) {
result = (SSEvent) methodReturnValue;
} else if (methodReturnValue != null) {
result = new SSEvent();
result.setData(methodReturnValue.toString());
}
} catch (Exception e) {
log.error("Error polling method '" + beanName + "." + method + "'", e.getCause() != null ? e.getCause()
: e);
Throwable cause;
if (e.getCause() != null) {
cause = e.getCause();
} else {
cause = e;
}
result = new SSEvent();
result.setEvent("error");
result.setData(configurationService.getConfiguration().getMessage(cause));
if (configurationService.getConfiguration().isSendStacktrace()) {
result.setComment(ExtDirectSpringUtil.getStackTrace(cause));
}
}
} else {
log.error("Error invoking method '" + beanName + "." + method + "'. Method or Bean not found");
result = new SSEvent();
result.setEvent("error");
result.setData(configurationService.getConfiguration().getDefaultExceptionMessage());
if (configurationService.getConfiguration().isSendStacktrace()) {
result.setComment("Bean or Method '" + beanName + "." + method + "' not found");
}
}
if (result != null) {
sseWriter.write(result);