How to use

servletRequest

method

in

org.geoserver.web.GeoServerApplication

/**
 * Convenience method to get the underlying servlet request backing the current wicket request.
 *
 * <p>The request is obtained from the current RequestCycle.
 */
public HttpServletRequest servletRequest() {
  RequestCycle cycle = RequestCycle.get();
  if (cycle == null) {
    throw new IllegalStateException("Method must be called from a wicket request thread");
  }
  return servletRequest(cycle.getRequest());
}

private String getBaseURL() {
  HttpServletRequest req = GeoServerApplication.get().servletRequest();
  return ResponseUtils.baseURL(req);
}

  public Page createPage() {
    DemoRequest request = new DemoRequest(null);
    HttpServletRequest http = GeoServerApplication.get().servletRequest();
    String url =
        ResponseUtils.buildURL(
            ResponseUtils.baseURL(http),
            "ows",
            Collections.singletonMap("strict", "true"),
            URLType.SERVICE);
    request.setRequestUrl(url);
    request.setRequestBody((String) responseWindow.getDefaultModelObject());
    return new DemoRequestResponse(new Model(request));
  }
});

  public Page createPage() {
    DemoRequest request = new DemoRequest(null);
    HttpServletRequest http =
        GeoServerApplication.get().servletRequest(getRequest());
    String url =
        ResponseUtils.buildURL(
            ResponseUtils.baseURL(http),
            "ows",
            Collections.singletonMap("strict", "true"),
            URLType.SERVICE);
    request.setRequestUrl(url);
    request.setRequestBody((String) responseWindow.getDefaultModelObject());
    return new DemoRequestResponse(new Model(request));
  }
});

        .servletRequest(DemoRequestsPage.this.getRequest());
proxyBaseUrl = GeoServerExtensions.getProperty("PROXY_BASE_URL");
if (StringUtils.isEmpty(proxyBaseUrl)) {

HttpServletRequest req = GeoServerApplication.get().servletRequest();
String base = ResponseUtils.baseURL(req);
String baseUrl = ResponseUtils.buildURL(base, "/", null, URLType.RESOURCE);

  @Override
  public void renderHead(Component component, IHeaderResponse response) {
    HttpServletRequest req =
        getGeoServerApplication().servletRequest(getRequest());
    String baseUrl = baseURL(req);
    response.render(
        new CssUrlReferenceHeaderItem(
            buildURL(
                baseUrl,
                "openlayers3/ol.css",
                null,
                URLMangler.URLType.RESOURCE),
            null,
            null));
    response.render(
        new JavaScriptUrlReferenceHeaderItem(
            buildURL(
                baseUrl,
                "openlayers3/ol.js",
                null,
                URLMangler.URLType.RESOURCE),
            null,
            false,
            "UTF-8",
            null));
  }
});