09.Services Web 19 décembre 2023 Développement web il3 Services web HE-Arc (DGR) 2022 Applications distribuées • Motivation : répartir l’exécution sur plusieurs machines – Principe : Les composants/services composants/services communiquent par le réseau – Problèmes : Hétérogénéité systèmes, langages, … – Solution : Protocole générique, abstraction différences – Exemples : RPC, RMI (java), CORBA, DCOM (MS) • Utiliser org/wiki/Architecture_orient%C3%A9e_services 1 Service web • 2 visions : – Utiliser les technos web pour développer des applis distribuées – Accès pour une application aux services offerts aux humains • Service

{ static Service services; return services; } Bloomberg 52 Grouping Dependencies// Refactored function that replaces singleton Response sendData(const Data& data, Service& services) { Request req; req; // Transform Data into Request // ... services.db_.save(req); services.cache_.save(req); services.mq_.send(req); services.comms_.send(req); } // keep original signature Response sendData(const Data& sendData(const Data& data, SERVICE& services) { Request req; // Transform Data into Request // ... services.db_.save(req); services.cache_.save(req); services.mq_.send(req); return services.comms_.send(req); } //

implementation classes ......................................................... 184 17. Remoting and web services using Spring .................................................................................. ............................................................................ 187 17.2. Exposing services using RMI ..................................................................................... ............................................ 189 17.3. Using Hessian or Burlap to remotely call services via HTTP ................................................. 189 17.3.1. Wiring up the DispatcherServlet

implementation classes ......................................................... 183 17. Remoting and web services using Spring .................................................................................. ............................................................................ 186 17.2. Exposing services using RMI ..................................................................................... ............................................ 188 17.3. Using Hessian or Burlap to remotely call services via HTTP ................................................. 188 17.3.1. Wiring up the DispatcherServlet

...................................................................... 186 15. Remoting and web services using Spring .................................................................................. ............................................................................ 188 15.2. Exposing services using RMI ..................................................................................... ............................................ 190 15.3. Using Hessian or Burlap to remotely call services via HTTP ................................................. 190 15.3.1. Wiring up the DispatcherServlet

implementation classes ......................................................... 179 17. Remoting and web services using Spring .................................................................................. ............................................................................ 182 17.2. Exposing services using RMI ..................................................................................... ............................................ 184 17.3. Using Hessian or Burlap to remotely call services via HTTP ................................................. 184 17.3.1. Wiring up the DispatcherServlet

...................................................................... 216 16. Remoting and web services using Spring .................................................................................. ............................................................................ 218 16.2. Exposing services using RMI ..................................................................................... ............................................ 220 16.3. Using Hessian or Burlap to remotely call services via HTTP ................................................. 220 16.3.1. Wiring up the DispatcherServlet

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2. Remoting and Web Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Web Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.3.1. Exposing Servlet-based Web Services by Using . 11 2.3.2. Exporting Standalone Web Services by Using JAX-WS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2.3.3. Exporting Web Services by Using JAX-WS RI’s Spring Support . .

Spring - Java/J2EE Application Framework Spring Framework Version 1.2.6 vii 16. Remoting and web services using Spring .................................................................................. ............................................................................ 207 16.2. Exposing services using RMI ..................................................................................... ............................................ 209 16.3. Using Hessian or Burlap to remotely call services via HTTP ................................................. 209 16.3.1. Wiring up the DispatcherServlet

...................................................................... 193 15. Remoting and web services using Spring .................................................................................. ............................................................................ 195 15.2. Exposing services using RMI ..................................................................................... ............................................ 197 15.3. Using Hessian or Burlap to remotely call services via HTTP ................................................. 197 15.3.1. Wiring up the DispatcherServlet