ProjectController.java

public class ProjectController {

    private List<ProjectResource> projectResources = Arrays.asList(new ProjectResource("myProject1"), new ProjectResource("myProject2"));

    @PreAuthorize("#oauth2.hasScope('urn:talend:project:read')")
    @RequestMapping(method = RequestMethod.GET)
    public List<ProjectResource> findAllProjects(Authentication authentication) {

        // get projects from repository
        List<ProjectResource> projectResources = this.projectResources;

        OAuth2Request clientAuthentication = ((OAuth2Authentication) authentication).getOAuth2Request();

        // filter with OAuth scopes
        List<ProjectResource> filteredProjectResources = projectResources.stream()
                .filter(
                        project -> clientAuthentication.getScope().contains("urn:talend:project:" +project.getName()+":read")
                ).collect(Collectors.toList());

        return filteredProjectResources;
    }

    @PreAuthorize("#oauth2.hasScope('urn:talend:project:' + #name + ':read')")
    @RequestMapping(value = "/{name}", method = RequestMethod.GET)
    public ProjectResource getProjectDetails(@PathVariable("name") String name) {
        return projectResources.stream()
                .filter(
                        project -> project.getName().equals(name)
                ).findAny().get();
    }
}