TodoBackend展示应用以及ActFramework的实现

@Entity(value = "todo", noClassnameStored = true)
public class Todo extends MorphiaAdaptiveRecordWithLongId<Todo> {

    // needs to define this property to make it comply with todobackend spec
    // unless https://github.com/TodoBackend/todo-backend-js-spec/issues/6
    // is accepted
    public boolean completed;

    // url is required as per backend test spec. However it is not required
    // to put into the database. So we mark it as Transient property
    @Transient
    public String url;

    // We will generate the derived property `url` after
    // saving the model and loading the model
    @PostLoad
    @PostPersist
    private void updateUrl() {
        url = Act.app().router().fullUrl(S.concat("/todo/", getIdAsStr()));
    }
}

@Entity(value = "todo", noClassnameStored = true)
public class Todo extends MorphiaAdaptiveRecordWithLongId<Todo> {

    // needs to define this property to make it comply with todobackend spec
    // unless https://github.com/TodoBackend/todo-backend-js-spec/issues/6
    // is accepted
    public boolean completed;

    ....

    @Controller("/todo")
    @Produces(H.MediaType.JSON)
    public static class Service extends MorphiaDaoWithLongId<Todo> {

        @PostAction
        public Todo create(Todo todo, Router router) {
            return save(todo);
        }

        @GetAction("{id}")
        public Todo show(long id) {
            return findById(id);
        }
        ...
    }
}

public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
    HttpServletResponse response = (HttpServletResponse) res;
    response.setHeader("Access-Control-Allow-Origin", "*");
    response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, PATCH");
    response.setHeader("Access-Control-Max-Age", "3600");
    response.setHeader("Access-Control-Allow-Headers", "x-requested-with, origin, content-type, accept");
    chain.doFilter(req, res);
}

private void addCorsHeader(Environment environment) {
    FilterRegistration.Dynamic filter = environment.servlets().addFilter("CORS", CrossOriginFilter.class);
    filter.addMappingForUrlPatterns(EnumSet.allOf(DispatcherType.class), true, "/*");
    filter.setInitParameter("allowedOrigins", "*");
    filter.setInitParameter("allowedMethods", "GET,PUT,POST,DELETE,OPTIONS,HEAD,PATCH");
}