Examples with AsyncDispatcher org.apache.catalina.AsyncDispatcher used on opensource projects

Example 1 with AsyncDispatcher

use of org.apache.catalina.AsyncDispatcher in project tomcat by apache.

the class AsyncContextImpl method dispatch.

@Override
public void dispatch(ServletContext context, String path) {
    synchronized (asyncContextLock) {
        if (log.isDebugEnabled()) {
            logDebug("dispatch   ");
        }
        check();
        if (dispatch != null) {
            throw new IllegalStateException(sm.getString("asyncContextImpl.dispatchingStarted"));
        }
        if (request.getAttribute(ASYNC_REQUEST_URI) == null) {
            request.setAttribute(ASYNC_REQUEST_URI, request.getRequestURI());
            request.setAttribute(ASYNC_CONTEXT_PATH, request.getContextPath());
            request.setAttribute(ASYNC_SERVLET_PATH, request.getServletPath());
            request.setAttribute(ASYNC_PATH_INFO, request.getPathInfo());
            request.setAttribute(ASYNC_QUERY_STRING, request.getQueryString());
        }
        final RequestDispatcher requestDispatcher = context.getRequestDispatcher(path);
        if (!(requestDispatcher instanceof AsyncDispatcher)) {
            throw new UnsupportedOperationException(sm.getString("asyncContextImpl.noAsyncDispatcher"));
        }
        final AsyncDispatcher applicationDispatcher = (AsyncDispatcher) requestDispatcher;
        final ServletRequest servletRequest = getRequest();
        final ServletResponse servletResponse = getResponse();
        this.dispatch = new AsyncRunnable(request, applicationDispatcher, servletRequest, servletResponse);
        this.request.getCoyoteRequest().action(ActionCode.ASYNC_DISPATCH, null);
        clearServletRequestResponse();
    }
}