RestModule.java 文件源码

public RestModule(String host, int port, String contextRoot, WebAnnotations webAnnotations) {
    try {
        InfoStore infoStore = webAnnotations.getInfoStore();

        webAnnotations.openInfoStore();

        // Ignore all complexities like @Parent annotations for the moment,
        // and also inheritance.

        AnnotationTargets_Targets annotationTargets = webAnnotations.getAnnotationTargets();

        String applicationPath = "";
        Set<String> classesWithApplicationPath = annotationTargets
                .getAnnotatedClasses(ApplicationPath.class.getName(), POLICY_SEED);
        if (classesWithApplicationPath.size() == 0) {
            System.err.println("The REST application path must be set using annotations. ");
        } else if (classesWithApplicationPath.size() > 1) {
            System.err.println("There should only be one REST application path per application.");
        } else {
            applicationPath = getValue(infoStore, ApplicationPath.class,
                    classesWithApplicationPath.iterator().next());
        }

        // Scan annotation for @Provider, @Path
        processAnnotations(host, port, contextRoot, infoStore, annotationTargets, Provider.class, applicationPath);
        processAnnotations(host, port, contextRoot, infoStore, annotationTargets, Path.class, applicationPath);

    } catch (Exception e) {
        e.printStackTrace();
    }
}