@Configuration
@EnableWebMvc
public class WebConfig extends WebMvcConfigurerAdapter {
  
  @Bean
  public FlowDefinitionRegistry flowRegistry() {
      return getFlowDefinitionRegistryBuilder()
          .setBasePath("/WEB-INF/flows")
          .addFlowLocationPattern("/**/*-flow.xml")
          .build();
  }

  @Bean
  public FlowHandlerMapping flowHandlerMapping(FlowDefinitionRegistry flowDefinitionRegistry) {
      FlowHandlerMapping handlerMapping = new FlowHandlerMapping();
      handlerMapping.setOrder(-1);
      handlerMapping.setFlowRegistry(flowDefinitionRegistry);
      return handlerMapping;
  }
  
  @Bean
  public FlowHandlerAdapter flowHandlerAdapter(FlowExecutor flowExecutor) {
      FlowHandlerAdapter handlerAdapter = new FlowHandlerAdapter();
      handlerAdapter.setFlowExecutor(flowExecutor);
      return handlerAdapter;
  }
}