springboot手动动态注入controller和service

springboot手动动态注入controller和service

package test;

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@SpringBootApplication
@Component
public class ApplicationBootstrap {

    static ApplicationContext applicationContext;

    static String file = "F:\\download\\apache-maven-3.3.9-bin\\repository\\org\\example\\springboot-test-common\\1.0-SNAPSHOT\\" +
            "springboot-test-common-1.";

    public static void main(String[] args) throws Exception {

        applicationContext = (, args);
        String clazzName = ".MyTestController1";
        String clazzName1 = "";
        registerBean(clazzName1);
        registerBean(clazzName);

        registerController((((".") + 1)));
    }


    public static void registerBean(String clazzName) throws Exception{
        URL url = new File(file).toURI().toURL();

//        URLClassLoader loader = (URLClassLoader) ();
//        Method add = ("addURL", new Class[] {  });
//        (true);
//        (loader, url);

        URLClassLoader loader = new URLClassLoader(new URL[]{url});
//        String clazzName = ".MyTestController1";
        Class<?> clazz = (clazzName);


//        ().loadClass("");
//        DefaultListableBeanFactory factory = (DefaultListableBeanFactory) ();

        BeanDefinitionBuilder beanDefinitionBuilder = (clazz);
        BeanDefinition beanDefinition = ();

        //设置当前bean定义对象是单利的
        ("singleton");

        //将变量首字母置小写
        String beanName = (clazzName);

        beanName =  ((".")+1);
        beanName = (beanName);

        //将applicationContext转换为ConfigurableApplicationContext
        ConfigurableApplicationContext configurableApplicationContext = (ConfigurableApplicationContext) applicationContext;

        // 获取bean工厂并转换为DefaultListableBeanFactory
        DefaultListableBeanFactory defaultListableBeanFactory = (DefaultListableBeanFactory) ();


        (beanName, beanDefinition);
    }


    /**
     * 注册Controller
     * @param controllerBeanName
     * @throws Exception
     */
    public static void registerController(String controllerBeanName) throws Exception{
        final RequestMappingHandlerMapping requestMappingHandlerMapping=
                ();
        if(requestMappingHandlerMapping!=null){
            String handler=controllerBeanName;
            Object controller= (handler);
            if(controller==null){
                return;
            }
//            unregisterController(controllerBeanName);
            //注册Controller
            Method method=().getSuperclass().getSuperclass().
                    getDeclaredMethod("detectHandlerMethods",);
            //将private改为可使用
            (true);
            (requestMappingHandlerMapping,handler);
        }
    }

    /**
     * 去掉Controller的Mapping
     * @param controllerBeanName
     */
    public static void unregisterController(String controllerBeanName){
        final RequestMappingHandlerMapping requestMappingHandlerMapping=(RequestMappingHandlerMapping)
                ("requestMappingHandlerMapping");
        if(requestMappingHandlerMapping!=null){
            String handler=controllerBeanName;
            Object controller= (handler);
            if(controller==null){
                return;
            }
            final Class<?> targetClass=();
            (targetClass, new () {
                public void doWith(Method method) {
                    Method specificMethod = (method, targetClass);
                    try {
                        Method createMappingMethod = .
                                getDeclaredMethod("getMappingForMethod", , );
                        (true);
                        RequestMappingInfo requestMappingInfo =(RequestMappingInfo)
                                (requestMappingHandlerMapping,specificMethod,targetClass);
                        if(requestMappingInfo != null) {
                            (requestMappingInfo);
                        }
                    }catch (Exception e){
                        ();
                    }
                }
            }, ReflectionUtils.USER_DECLARED_METHODS);
        }
    }
}

引用

• /topics/392073765
• /w757227129/article/details/93166401?utm_medium=distribute.pc_relevant.none-task-blog-baidujs-2