core/src/main/java/com/taobao/arthas/core/advisor/AdviceListenerManager.java [143:233]:
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                className = className.replace('/', '.');
                String key = keyForTrace(className, owner, methodName, methodDesc);

                List<AdviceListener> listeners = map.get(key);
                if (listeners == null) {
                    listeners = new ArrayList<AdviceListener>();
                    map.put(key, listeners);
                }
                if (!listeners.contains(listener)) {
                    listeners.add(listener);
                }
            }
        }

        public List<AdviceListener> queryTraceAdviceListeners(String className, String owner, String methodName,
                String methodDesc) {
            className = className.replace('/', '.');
            String key = keyForTrace(className, owner, methodName, methodDesc);

            List<AdviceListener> listeners = map.get(key);

            return listeners;
        }
    }

    public static void registerAdviceListener(ClassLoader classLoader, String className, String methodName,
            String methodDesc, AdviceListener listener) {
        classLoader = wrap(classLoader);
        className = className.replace('/', '.');

        ClassLoaderAdviceListenerManager manager = adviceListenerMap.get(classLoader);

        if (manager == null) {
            manager = new ClassLoaderAdviceListenerManager();
            adviceListenerMap.put(classLoader, manager);
        }
        manager.registerAdviceListener(className, methodName, methodDesc, listener);
    }

    public static void updateAdviceListeners() {

    }

    public static List<AdviceListener> queryAdviceListeners(ClassLoader classLoader, String className,
            String methodName, String methodDesc) {
        classLoader = wrap(classLoader);
        className = className.replace('/', '.');
        ClassLoaderAdviceListenerManager manager = adviceListenerMap.get(classLoader);

        if (manager != null) {
            return manager.queryAdviceListeners(className, methodName, methodDesc);
        }

        return null;
    }

    public static void registerTraceAdviceListener(ClassLoader classLoader, String className, String owner,
            String methodName, String methodDesc, AdviceListener listener) {
        classLoader = wrap(classLoader);
        className = className.replace('/', '.');

        ClassLoaderAdviceListenerManager manager = adviceListenerMap.get(classLoader);

        if (manager == null) {
            manager = new ClassLoaderAdviceListenerManager();
            adviceListenerMap.put(classLoader, manager);
        }
        manager.registerTraceAdviceListener(className, owner, methodName, methodDesc, listener);
    }

    public static List<AdviceListener> queryTraceAdviceListeners(ClassLoader classLoader, String className,
            String owner, String methodName, String methodDesc) {
        classLoader = wrap(classLoader);
        className = className.replace('/', '.');
        ClassLoaderAdviceListenerManager manager = adviceListenerMap.get(classLoader);

        if (manager != null) {
            return manager.queryTraceAdviceListeners(className, owner, methodName, methodDesc);
        }

        return null;
    }

    private static ClassLoader wrap(ClassLoader classLoader) {
        if (classLoader != null) {
            return classLoader;
        }
        return FAKEBOOTSTRAPCLASSLOADER;
    }

    private static class FakeBootstrapClassLoader extends ClassLoader {
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labs/arthas-grpc-web-proxy/src/main/java/com/taobao/arthas/grpcweb/grpc/service/advisor/AdviceListenerManager.java [144:233]:
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            className = className.replace('/', '.');
            String key = keyForTrace(className, owner, methodName, methodDesc);

            List<AdviceListener> listeners = map.get(key);
            if (listeners == null) {
                listeners = new ArrayList<AdviceListener>();
                map.put(key, listeners);
            }
            if (!listeners.contains(listener)) {
                listeners.add(listener);
            }
        }

        public List<AdviceListener> queryTraceAdviceListeners(String className, String owner, String methodName,
                String methodDesc) {
            className = className.replace('/', '.');
            String key = keyForTrace(className, owner, methodName, methodDesc);

            List<AdviceListener> listeners = map.get(key);

            return listeners;
        }
    }

    public static void registerAdviceListener(ClassLoader classLoader, String className, String methodName,
            String methodDesc, AdviceListener listener) {
        classLoader = wrap(classLoader);
        className = className.replace('/', '.');

        ClassLoaderAdviceListenerManager manager = adviceListenerMap.get(classLoader);

        if (manager == null) {
            manager = new ClassLoaderAdviceListenerManager();
            adviceListenerMap.put(classLoader, manager);
        }
        manager.registerAdviceListener(className, methodName, methodDesc, listener);
    }

    public static void updateAdviceListeners() {

    }

    public static List<AdviceListener> queryAdviceListeners(ClassLoader classLoader, String className,
            String methodName, String methodDesc) {
        classLoader = wrap(classLoader);
        className = className.replace('/', '.');
        ClassLoaderAdviceListenerManager manager = adviceListenerMap.get(classLoader);

        if (manager != null) {
            return manager.queryAdviceListeners(className, methodName, methodDesc);
        }

        return null;
    }

    public static void registerTraceAdviceListener(ClassLoader classLoader, String className, String owner,
            String methodName, String methodDesc, AdviceListener listener) {
        classLoader = wrap(classLoader);
        className = className.replace('/', '.');

        ClassLoaderAdviceListenerManager manager = adviceListenerMap.get(classLoader);

        if (manager == null) {
            manager = new ClassLoaderAdviceListenerManager();
            adviceListenerMap.put(classLoader, manager);
        }
        manager.registerTraceAdviceListener(className, owner, methodName, methodDesc, listener);
    }

    public static List<AdviceListener> queryTraceAdviceListeners(ClassLoader classLoader, String className,
            String owner, String methodName, String methodDesc) {
        classLoader = wrap(classLoader);
        className = className.replace('/', '.');
        ClassLoaderAdviceListenerManager manager = adviceListenerMap.get(classLoader);

        if (manager != null) {
            return manager.queryTraceAdviceListeners(className, owner, methodName, methodDesc);
        }

        return null;
    }

    private static ClassLoader wrap(ClassLoader classLoader) {
        if (classLoader != null) {
            return classLoader;
        }
        return FAKEBOOTSTRAPCLASSLOADER;
    }

    private static class FakeBootstrapClassLoader extends ClassLoader {
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