Merge "379194 - ProxyServlet enhancement to enable easy creation of alternative HttpClient implementations"

jetty-servlets/src/main/java/org/eclipse/jetty/servlets/ProxyServlet.java

@@ -173,6 +173,16 @@ public class ProxyServlet implements Servlet
         return Log.getLogger("org.eclipse.jetty.servlets." + config.getServletName());
     }
 
+    /**
+     * Create and return an HttpClientInstance
+     *
+     * @return HttpClient
+     */
+    protected HttpClient createHttpClientInstance()
+    {
+        return new HttpClient();
+    }
+
     /**
      * Create and return an HttpClient based on ServletConfig
      *
@@ -185,7 +195,7 @@ public class ProxyServlet implements Servlet
      */
     protected HttpClient createHttpClient(ServletConfig config) throws Exception
     {
-        HttpClient client = new HttpClient();
+        HttpClient client = createHttpClientInstance();
         client.setConnectorType(HttpClient.CONNECTOR_SELECT_CHANNEL);
 
         String t = config.getInitParameter("maxThreads");