1925 */
1926 private static void initPhase2() {
1927 // initialize the module system
1928 System.bootLayer = ModuleBootstrap.boot();
1929
1930 // module system initialized
1931 VM.initLevel(2);
1932 }
1933
1934 /*
1935 * Invoked by VM. Phase 3 is the final system initialization:
1936 * 1. set security manager
1937 * 2. set system class loader
1938 * 3. set TCCL
1939 *
1940 * This method must be called after the module system initialization.
1941 * The security manager and system class loader may be custom class from
1942 * the application classpath or modulepath.
1943 */
1944 private static void initPhase3() {
1945 // Initialize publicLookup early, to avoid bootstrapping circularities
1946 // with security manager using java.lang.invoke infrastructure.
1947 java.lang.invoke.MethodHandles.publicLookup();
1948
1949 // set security manager
1950 String cn = System.getProperty("java.security.manager");
1951 if (cn != null) {
1952 if (cn.isEmpty() || "default".equals(cn)) {
1953 System.setSecurityManager(new SecurityManager());
1954 } else {
1955 try {
1956 Class<?> c = Class.forName(cn, false, ClassLoader.getBuiltinAppClassLoader());
1957 Constructor<?> ctor = c.getConstructor();
1958 // Must be a public subclass of SecurityManager with
1959 // a public no-arg constructor
1960 if (!SecurityManager.class.isAssignableFrom(c) ||
1961 !Modifier.isPublic(c.getModifiers()) ||
1962 !Modifier.isPublic(ctor.getModifiers())) {
1963 throw new Error("Could not create SecurityManager: " + ctor.toString());
1964 }
1965 // custom security manager implementation may be in unnamed module
1966 // or a named module but non-exported package
1967 ctor.setAccessible(true);
1968 SecurityManager sm = (SecurityManager) ctor.newInstance();
2036 return bootLayer;
2037 }
2038 public ConcurrentHashMap<?, ?> createOrGetClassLoaderValueMap(ClassLoader cl) {
2039 return cl.createOrGetClassLoaderValueMap();
2040 }
2041 public Class<?> findBootstrapClassOrNull(ClassLoader cl, String name) {
2042 return cl.findBootstrapClassOrNull(name);
2043 }
2044 public URL findResource(ClassLoader cl, String mn, String name) throws IOException {
2045 return cl.findResource(mn, name);
2046 }
2047 public Stream<Package> packages(ClassLoader cl) {
2048 return cl.packages();
2049 }
2050 public Package definePackage(ClassLoader cl, String name, Module module) {
2051 return cl.definePackage(name, module);
2052 }
2053 public String fastUUID(long lsb, long msb) {
2054 return Long.fastUUID(lsb, msb);
2055 }
2056 });
2057 }
2058 }
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1925 */
1926 private static void initPhase2() {
1927 // initialize the module system
1928 System.bootLayer = ModuleBootstrap.boot();
1929
1930 // module system initialized
1931 VM.initLevel(2);
1932 }
1933
1934 /*
1935 * Invoked by VM. Phase 3 is the final system initialization:
1936 * 1. set security manager
1937 * 2. set system class loader
1938 * 3. set TCCL
1939 *
1940 * This method must be called after the module system initialization.
1941 * The security manager and system class loader may be custom class from
1942 * the application classpath or modulepath.
1943 */
1944 private static void initPhase3() {
1945 // set security manager
1946 String cn = System.getProperty("java.security.manager");
1947 if (cn != null) {
1948 if (cn.isEmpty() || "default".equals(cn)) {
1949 System.setSecurityManager(new SecurityManager());
1950 } else {
1951 try {
1952 Class<?> c = Class.forName(cn, false, ClassLoader.getBuiltinAppClassLoader());
1953 Constructor<?> ctor = c.getConstructor();
1954 // Must be a public subclass of SecurityManager with
1955 // a public no-arg constructor
1956 if (!SecurityManager.class.isAssignableFrom(c) ||
1957 !Modifier.isPublic(c.getModifiers()) ||
1958 !Modifier.isPublic(ctor.getModifiers())) {
1959 throw new Error("Could not create SecurityManager: " + ctor.toString());
1960 }
1961 // custom security manager implementation may be in unnamed module
1962 // or a named module but non-exported package
1963 ctor.setAccessible(true);
1964 SecurityManager sm = (SecurityManager) ctor.newInstance();
2032 return bootLayer;
2033 }
2034 public ConcurrentHashMap<?, ?> createOrGetClassLoaderValueMap(ClassLoader cl) {
2035 return cl.createOrGetClassLoaderValueMap();
2036 }
2037 public Class<?> findBootstrapClassOrNull(ClassLoader cl, String name) {
2038 return cl.findBootstrapClassOrNull(name);
2039 }
2040 public URL findResource(ClassLoader cl, String mn, String name) throws IOException {
2041 return cl.findResource(mn, name);
2042 }
2043 public Stream<Package> packages(ClassLoader cl) {
2044 return cl.packages();
2045 }
2046 public Package definePackage(ClassLoader cl, String name, Module module) {
2047 return cl.definePackage(name, module);
2048 }
2049 public String fastUUID(long lsb, long msb) {
2050 return Long.fastUUID(lsb, msb);
2051 }
2052 public void invalidatePackageAccessCache() {
2053 SecurityManager.invalidatePackageAccessCache();
2054 }
2055 });
2056 }
2057 }
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