Examples of org.apache.catalina.core.ApplicationDispatcher$PrivilegedDispatch

org.apache.catalina.core.ApplicationDispatcher
Standard implementation of RequestDispatcher that allows a request to be forwarded to a different resource to create the ultimate response, or to include the output of another resource in the response from this resource. This implementation allows application level servlets to wrap the request and/or response objects that are passed on to the called resource, as long as the wrapping classes extend javax.servlet.ServletRequestWrapper and javax.servlet.ServletResponseWrapper. @author Craig R. McClanahan

            try {
                request.lockSession();
                hres.setStatus(statusCode);   
                ServletContext servletContext =
                    request.getContext().getServletContext();
                ApplicationDispatcher dispatcher = (ApplicationDispatcher)
                    servletContext.getRequestDispatcher(errorPage.getLocation());


                if (hres.isCommitted()) {
                    // Response is committed - including the error page is the
                    // best we can do 
                    dispatcher.include(sreq, sres);
                } else {
                    // Reset the response (keeping the real error code and message)
                    response.resetBuffer(true);


                    dispatcher.dispatch(sreq, sres, DispatcherType.ERROR);


                    // If we forward, the response is suspended again
                    response.setSuspended(false);
                }
                sres.flushBuffer();

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        if (errorPage != null) {
            try {
                hres.setStatus(statusCode);   
                ServletContext servletContext =
                    request.getContext().getServletContext();
                ApplicationDispatcher dispatcher = (ApplicationDispatcher)
                    servletContext.getRequestDispatcher(errorPage.getLocation());


                if (hres.isCommitted()) {
                    // Response is committed - including the error page is the
                    // best we can do 
                    dispatcher.include(sreq, sres);
                } else {
                    // Reset the response (keeping the real error code and message)
                    response.resetBuffer(true);


                    dispatcher.dispatch(sreq, sres, DispatcherType.ERROR);


                    // If we forward, the response is suspended again
                    response.setSuspended(false);
                }
                sres.flushBuffer();

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        return isOriginalRequestAndResponse;
    }


    @Override
    public void dispatch() {
        ApplicationDispatcher dispatcher = 
            (ApplicationDispatcher)getZeroArgDispatcher(
                origRequest, servletRequest, isStartAsyncWithZeroArg);


        isDispatchInScope.set(true);
        if (dispatcher != null) {

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    @Override
    public void dispatch(String path) {
        if (path == null) {
            throw new IllegalArgumentException("Null path");
        }
        ApplicationDispatcher dispatcher = (ApplicationDispatcher)
            servletRequest.getRequestDispatcher(path);
        isDispatchInScope.set(true);
        if (dispatcher != null) {
            if (isDispatchInProgress.compareAndSet(false, true)) {
                pool.execute(new Handler(this, dispatcher, origRequest));

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    @Override
    public void dispatch(ServletContext context, String path) {
        if (path == null || context == null) {
            throw new IllegalArgumentException("Null context or path");
        }
        ApplicationDispatcher dispatcher = (ApplicationDispatcher)
            context.getRequestDispatcher(path);
        isDispatchInScope.set(true);
        if (dispatcher != null) {
            if (isDispatchInProgress.compareAndSet(false, true)) {
                pool.execute(new Handler(this, dispatcher, origRequest));

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        return isOriginalRequestAndResponse;
    }


    @Override
    public void dispatch() {
        ApplicationDispatcher dispatcher = 
            (ApplicationDispatcher)getZeroArgDispatcher(
                origRequest, servletRequest, isStartAsyncWithZeroArg);


        isDispatchInScope.set(true);
        if (dispatcher != null) {

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    @Override
    public void dispatch(String path) {
        if (path == null) {
            throw new IllegalArgumentException("Null path");
        }
        ApplicationDispatcher dispatcher = (ApplicationDispatcher)
            servletRequest.getRequestDispatcher(path);
        isDispatchInScope.set(true);
        if (dispatcher != null) {
            if (isDispatchInProgress.compareAndSet(false, true)) {
                pool.execute(new Handler(this, dispatcher, origRequest));

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    @Override
    public void dispatch(ServletContext context, String path) {
        if (path == null || context == null) {
            throw new IllegalArgumentException("Null context or path");
        }
        ApplicationDispatcher dispatcher = (ApplicationDispatcher)
            context.getRequestDispatcher(path);
        isDispatchInScope.set(true);
        if (dispatcher != null) {
            if (isDispatchInProgress.compareAndSet(false, true)) {
                pool.execute(new Handler(this, dispatcher, origRequest));

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        return isOriginalRequestAndResponse;
    }


    @Override
    public void dispatch() {
        ApplicationDispatcher dispatcher = 
            (ApplicationDispatcher)getZeroArgDispatcher(
                origRequest, servletRequest, isStartAsyncWithZeroArg);


        isDispatchInScope.set(true);
        if (dispatcher != null) {

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    @Override
    public void dispatch(String path) {
        if (path == null) {
            throw new IllegalArgumentException("Null path");
        }
        ApplicationDispatcher dispatcher = (ApplicationDispatcher)
            servletRequest.getRequestDispatcher(path);
        isDispatchInScope.set(true);
        if (dispatcher != null) {
            if (isDispatchInProgress.compareAndSet(false, true)) {
                pool.execute(new Handler(this, dispatcher, origRequest));

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