/**
* @param request
* @param response @TODO refactor and optimize code for initializing handler
*/
public void doService(HttpServletRequest request, HttpServletResponse response) {
if (response.isCommitted()) {
LOG.logWarning("The response object is already committed!");
}
long startTime = System.currentTimeMillis();
address = request.getRequestURL().toString();
String service = null;
try {
OGCWebServiceRequest ogcRequest = OGCRequestFactory.create(request);
LOG.logInfo(
StringTools.concat(
500,
"Handling request '",
ogcRequest.getId(),
"' from '",
request.getRemoteAddr(),
"' to service: '",
ogcRequest.getServiceName(),
"'"));
// get service from request
service = ogcRequest.getServiceName().toUpperCase();
// get handler instance
ServiceDispatcher handler =
ServiceLookup.getInstance().getHandler(service, request.getRemoteAddr());
// dispatch request to specific handler
handler.perform(ogcRequest, response);
} catch (OGCWebServiceException e) {
LOG.logError(e.getMessage(), e);
sendException(response, e, request, service);
} catch (ServiceException e) {
if (e.getNestedException() instanceof OGCWebServiceException) {
sendException(response, (OGCWebServiceException) e.getNestedException(), request, service);
} else {
sendException(
response,
new OGCWebServiceException(this.getClass().getName(), e.getMessage()),
request,
service);
}
LOG.logError(e.getMessage(), e);
} catch (Exception e) {
sendException(
response,
new OGCWebServiceException(this.getClass().getName(), e.getMessage()),
request,
service);
LOG.logError(e.getMessage(), e);
}
if (LOG.isDebug()) {
LOG.logDebug(
"OGCServletController: request performed in "
+ Long.toString(System.currentTimeMillis() - startTime)
+ " milliseconds.");
}
}
@Override
protected void channelRead0(ChannelHandlerContext ctx, FullHttpMessage msg)
throws Exception { // 1
// Request header 처리
if (msg instanceof HttpRequest) { // 2
this.request = (HttpRequest) msg; // 3
if (HttpHeaders.is100ContinueExpected(request)) {
send100Continue(ctx);
}
HttpHeaders headers = request.headers(); // 4
if (!headers.isEmpty()) {
for (Map.Entry<String, String> h : headers) {
String key = h.getKey();
if (usingHeader.contains(key)) { // 5
reqData.put(key, h.getValue()); // 6
}
}
}
reqData.put("REQUEST_URI", request.getUri()); // 7
reqData.put("REQUEST_METHOD", request.getMethod().name()); // 8
}
if (msg instanceof HttpContent) { // 9
HttpContent httpContent = (HttpContent) msg; // 10
ByteBuf content = httpContent.content(); // 11
if (msg instanceof LastHttpContent) { // 12
System.out.println("LastHttpContent message received!!" + request.getUri());
LastHttpContent trailer = (LastHttpContent) msg;
readPostData(); // 13
ApiRequest service = ServiceDispatcher.dispatch(reqData); // 14
try {
service.executeService(); // 15
apiResult = service.getApiResult(); // 16
} finally {
reqData.clear();
}
if (!writeResponse(trailer, ctx)) { // 17
ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
}
reset();
}
}
}
private GenericDispatcher(String name, Delegator delegator) {
ClassLoader loader;
try {
loader = Thread.currentThread().getContextClassLoader();
} catch (SecurityException e) {
loader = this.getClass().getClassLoader();
}
this.name = name;
this.dispatcher = ServiceDispatcher.getInstance(delegator);
DispatchContext ctx = new DispatchContext(name, loader, this);
this.dispatcher.register(ctx);
this.ctx = ctx;
if (Debug.verboseOn())
Debug.logVerbose("[GenericDispatcher] : Created Dispatcher for: " + name, module);
}
@Override
public LocalDispatcher createLocalDispatcher(String name, Delegator delegator) {
if (UtilValidate.isEmpty(name)) {
throw new IllegalArgumentException(
"The name of a LocalDispatcher cannot be a null or empty String");
}
// attempts to retrieve an already registered DispatchContext with the name "name"
LocalDispatcher dispatcher = ServiceDispatcher.getLocalDispatcher(name, delegator);
// if not found then create a new GenericDispatcher object; the constructor will also register a
// new DispatchContext in the ServiceDispatcher with name "dispatcherName"
if (dispatcher == null) {
dispatcher = new GenericDispatcher(name, delegator);
}
return dispatcher;
}
