EurekaServerAutoConfiguration.java 文件源码

/**
 * Construct a Jersey {@link javax.ws.rs.core.Application} with all the resources
 * required by the Eureka server.
 */
@Bean
public javax.ws.rs.core.Application jerseyApplication(Environment environment,
        ResourceLoader resourceLoader) {

    ClassPathScanningCandidateComponentProvider provider = new ClassPathScanningCandidateComponentProvider(
            false, environment);

    // Filter to include only classes that have a particular annotation.
    //
    provider.addIncludeFilter(new AnnotationTypeFilter(Path.class));
    provider.addIncludeFilter(new AnnotationTypeFilter(Provider.class));

    // Find classes in Eureka packages (or subpackages)
    //
    Set<Class<?>> classes = new HashSet<>();
    for (String basePackage : EUREKA_PACKAGES) {
        Set<BeanDefinition> beans = provider.findCandidateComponents(basePackage);
        for (BeanDefinition bd : beans) {
            Class<?> cls = ClassUtils.resolveClassName(bd.getBeanClassName(),
                    resourceLoader.getClassLoader());
            classes.add(cls);
        }
    }

    // Construct the Jersey ResourceConfig
    //
    Map<String, Object> propsAndFeatures = new HashMap<>();
    propsAndFeatures.put(
            // Skip static content used by the webapp
            ServletContainer.PROPERTY_WEB_PAGE_CONTENT_REGEX,
            EurekaConstants.DEFAULT_PREFIX + "/(fonts|images|css|js)/.*");

    DefaultResourceConfig rc = new DefaultResourceConfig(classes);
    rc.setPropertiesAndFeatures(propsAndFeatures);

    return rc;
}