Cross-origin resource sharing (CORS) in java and in .net C#
Resource: 1.Cross-origin resource sharing https://en.wikipedia.org/wiki/Cross-origin_resource_sharing#How_CORS_works 2.https://www.w3.org/TR/cors/ 3. Example: 3.1.Servlet - CORS: http://www.logicbig.com/tutorials/java-ee-tutorial/java-servlet/servlet-cors/ 3.2.Spring CORS support: http://www.logicbig.com/tutorials/spring-framework/spring-web-mvc/spring-cors/ 3.3.Servlet - Servlet with Tomcat CorsFilter example:http://www.logicbig.com/tutorials/java-ee-tutorial/java-servlet/servlet-with-tomcat-cors-filter/ //for Preflight @Override protected void doOptions ( HttpServletRequest req , HttpServletResponse resp ) throws ServletException , IOException { setAccessControlHeaders ( resp ); resp . setStatus ( HttpServletResponse . SC_OK ); } private void setAccessControlHeaders ( HttpServletResponse resp ) { resp . setHeader ( " Access-Control-Allow-Origin " , "http://localhost:9000" ); resp . setHe...