static

in bytekit-core/src/main/java/com/alibaba/bytekit/utils/ReflectUtils.java [52:110]

• 59 lines of code
• 7 McCabe index (conditional complexity)

    static {
        Method privateLookupIn;
        Method lookupDefineClass;
        Method classLoaderDefineClass;
        ProtectionDomain protectionDomain;
        Throwable throwable = null;
        try {
            privateLookupIn = (Method) AccessController.doPrivileged(new PrivilegedExceptionAction() {
                public Object run() throws Exception {
                    try {
                        return MethodHandles.class.getMethod("privateLookupIn", Class.class,
                                        MethodHandles.Lookup.class);
                    } catch (NoSuchMethodException ex) {
                        return null;
                    }
                }
            });
            lookupDefineClass = (Method) AccessController.doPrivileged(new PrivilegedExceptionAction() {
                public Object run() throws Exception {
                    try {
                        return MethodHandles.Lookup.class.getMethod("defineClass", byte[].class);
                    } catch (NoSuchMethodException ex) {
                        return null;
                    }
                }
            });
            classLoaderDefineClass = (Method) AccessController.doPrivileged(new PrivilegedExceptionAction() {
                public Object run() throws Exception {
                    return ClassLoader.class.getDeclaredMethod("defineClass", String.class, byte[].class, Integer.TYPE,
                                    Integer.TYPE, ProtectionDomain.class);
                }
            });
            protectionDomain = getProtectionDomain(ReflectUtils.class);
            AccessController.doPrivileged(new PrivilegedExceptionAction() {
                public Object run() throws Exception {
                    Method[] methods = Object.class.getDeclaredMethods();
                    for (Method method : methods) {
                        if ("finalize".equals(method.getName())
                                        || (method.getModifiers() & (Modifier.FINAL | Modifier.STATIC)) > 0) {
                            continue;
                        }
                        OBJECT_METHODS.add(method);
                    }
                    return null;
                }
            });
        } catch (Throwable t) {
            privateLookupIn = null;
            lookupDefineClass = null;
            classLoaderDefineClass = null;
            protectionDomain = null;
            throwable = t;
        }
        privateLookupInMethod = privateLookupIn;
        lookupDefineClassMethod = lookupDefineClass;
        classLoaderDefineClassMethod = classLoaderDefineClass;
        PROTECTION_DOMAIN = protectionDomain;
        THROWABLE = throwable;
    }