Example usage for org.apache.http.concurrent Cancellable cancel

Introduction

In this page you can find the example usage for org.apache.http.concurrent Cancellable cancel.

Prototype

boolean cancel();

Source Link

Usage

From source file:org.realityforge.proxy_servlet.AbstractProxyServlet.java

@SuppressWarnings("deprecation")
@Override//from ww w.  j a v  a2  s .c  o m
protected void service(final HttpServletRequest servletRequest, final HttpServletResponse servletResponse)
        throws ServletException, IOException {
    final String proxyRequestUri = rewriteUrlFromRequest(servletRequest);
    final HttpRequest proxyRequest = newProxyRequest(servletRequest, proxyRequestUri);

    copyRequestHeaders(servletRequest, proxyRequest);
    setXForwardedForHeader(servletRequest, proxyRequest);

    proxyPrepared(proxyRequest);

    try {
        final HttpResponse proxyResponse = _client.execute(URIUtils.extractHost(_targetUri), proxyRequest);

        // Process the response
        final int statusCode = proxyResponse.getStatusLine().getStatusCode();

        if (doResponseRedirectOrNotModifiedLogic(servletRequest, servletResponse, proxyResponse, statusCode)) {
            //just to be sure, but is probably a no-op
            EntityUtils.consume(proxyResponse.getEntity());
            return;
        }

        // Pass the response code. This method with the "reason phrase" is deprecated but it's the only way to pass the
        //  reason along too.
        servletResponse.setStatus(statusCode, proxyResponse.getStatusLine().getReasonPhrase());

        copyResponseHeaders(proxyResponse, servletResponse);

        // Send the content to the client
        copyResponseEntity(proxyResponse, servletResponse);
    } catch (final Exception e) {
        //abort request, according to best practice with HttpClient
        if (proxyRequest instanceof Cancellable) {
            final Cancellable cancellable = (Cancellable) proxyRequest;
            cancellable.cancel();
        }
        handleError(e);
    }
}

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