CoursesResources.java 文件源码

@GET
@Path("{id}/download")
@RequiresRoles(UserRole.ROLE_ADMIN)
@Produces(MediaType.TEXT_PLAIN)
public Response download(@PathParam("id") long id) {
    Course course = courseDao.findById(id);
    Builder<String> setBuilder = ImmutableSet.builder();
    if (course.getProjects().isEmpty()) {
        return Response.status(Status.NO_CONTENT).entity("This course doesn't have any projects").build();
    } else {
        for (Project project : course.getProjects()) {
            if (project.getSourceCodeUrl() == null) {
                LOG.warn("This project doesnt have a source code URL: {}", project);
            } else {
                setBuilder.add(project.getSourceCodeUrl());
            }
        }
        Set<String> sourceCodeurls = setBuilder.build();
        return Response.ok(repoDownloader.prepareDownload(sourceCodeurls)).build();
    }
}