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java.lang.Objectjavax.servlet.GenericServlet
javax.servlet.http.HttpServlet
org.eclipse.jetty.websocket.WebSocketServlet
public abstract class WebSocketServlet
Servlet to upgrade connections to WebSocket
The request must have the correct upgrade headers, else it is handled as a normal servlet request.
The initParameter "bufferSize" can be used to set the buffer size, which is also the max frame byte size (default 8192).
The initParameter "maxIdleTime" can be used to set the time in ms that a websocket may be idle before closing.
The initParameter "maxTextMessagesSize" can be used to set the size in characters that a websocket may be accept before closing.
The initParameter "maxBinaryMessagesSize" can be used to set the size in bytes that a websocket may be accept before closing.
| Constructor Summary | |
|---|---|
WebSocketServlet()
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| Method Summary | |
|---|---|
boolean |
checkOrigin(HttpServletRequest request,
String origin)
Check the origin of an incoming WebSocket handshake request |
void |
init()
A convenience method which can be overridden so that there's no need to call super.init(config). |
protected void |
service(HttpServletRequest request,
HttpServletResponse response)
Receives standard HTTP requests from the public service method and dispatches
them to the doXXX methods defined in
this class. |
| Methods inherited from class javax.servlet.http.HttpServlet |
|---|
doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service |
| Methods inherited from class javax.servlet.GenericServlet |
|---|
destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface org.eclipse.jetty.websocket.WebSocketFactory.Acceptor |
|---|
doWebSocketConnect |
| Constructor Detail |
|---|
public WebSocketServlet()
| Method Detail |
|---|
public void init()
throws ServletException
GenericServletsuper.init(config).
Instead of overriding GenericServlet.init(ServletConfig), simply override
this method and it will be called by
GenericServlet.init(ServletConfig config).
The ServletConfig object can still be retrieved via GenericServlet.getServletConfig().
init in class GenericServletServletException - if an exception occurs that
interrupts the servlet's
normal operationGenericServlet.init()
protected void service(HttpServletRequest request,
HttpServletResponse response)
throws ServletException,
IOException
HttpServletservice method and dispatches
them to the doXXX methods defined in
this class. This method is an HTTP-specific version of the
Servlet.service(javax.servlet.ServletRequest, javax.servlet.ServletResponse) method. There's no
need to override this method.
service in class HttpServletrequest - the HttpServletRequest object that
contains the request the client made of
the servletresponse - the HttpServletResponse object that
contains the response the servlet returns
to the client
ServletException - if the HTTP request
cannot be handled
IOException - if an input or output error occurs
while the servlet is handling the
HTTP requestHttpServlet.service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
public boolean checkOrigin(HttpServletRequest request,
String origin)
WebSocketFactory.Acceptor
checkOrigin in interface WebSocketFactory.Acceptor
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