79 */
80 public static Module getUnnamedModule() {
81 return UNNAMED_MODULE;
82 }
83
84 /**
85 * Returns the ServiceCatalog for modules defined to the boot class loader.
86 */
87 public static ServicesCatalog getServicesCatalog() {
88 return SERVICES_CATALOG;
89 }
90
91 /**
92 * Returns the ClassLoaderValue map for the boot class loader.
93 */
94 public static ConcurrentHashMap<?, ?> getClassLoaderValueMap() {
95 return CLASS_LOADER_VALUE_MAP;
96 }
97
98 /**
99 * Register a module with this class loader so that its classes (and
100 * resources) become visible via this class loader.
101 */
102 public static void loadModule(ModuleReference mref) {
103 ClassLoaders.bootLoader().loadModule(mref);
104 }
105
106 /**
107 * Loads the Class object with the given name defined to the boot loader.
108 */
109 public static Class<?> loadClassOrNull(String name) {
110 return ClassLoaders.bootLoader().loadClassOrNull(name);
111 }
112
113 /**
114 * Loads the Class object with the given name in the given module
115 * defined to the boot loader. Returns {@code null} if not found.
116 */
117 public static Class<?> loadClass(Module module, String name) {
118 Class<?> c = loadClassOrNull(name);
171 public static Package getDefinedPackage(String pn) {
172 Package pkg = ClassLoaders.bootLoader().getDefinedPackage(pn);
173 if (pkg == null) {
174 String location = getSystemPackageLocation(pn.replace('.', '/'));
175 if (location != null) {
176 pkg = PackageHelper.definePackage(pn.intern(), location);
177 }
178 }
179 return pkg;
180 }
181
182 /**
183 * Returns a stream of the packages defined to the boot loader.
184 */
185 public static Stream<Package> packages() {
186 return Arrays.stream(getSystemPackageNames())
187 .map(name -> getDefinedPackage(name.replace('/', '.')));
188 }
189
190 /**
191 * Returns {@code true} if there is a class path associated with the
192 * BootLoader.
193 */
194 public static boolean hasClassPath() {
195 return ClassLoaders.bootLoader().hasClassPath();
196 }
197
198 /**
199 * Helper class to define {@code Package} objects for packages in modules
200 * defined to the boot loader.
201 */
202 static class PackageHelper {
203 private static final JavaLangAccess JLA = SharedSecrets.getJavaLangAccess();
204
205 /**
206 * Define the {@code Package} with the given name. The specified
207 * location is a jrt URL to a named module in the run-time image,
208 * a file URL to a module in an exploded run-time image, or a file
209 * path to an entry on the boot class path (java agent Boot-Class-Path
210 * or -Xbootclasspath/a.
211 *
212 * <p> If the given location is a JAR file containing a manifest,
213 * the defined Package contains the versioning information from
214 * the manifest, if present.
215 *
216 * @param name package name
217 * @param location location where the package is (jrt URL or file URL
218 * for a named module in the run-time or exploded image;
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79 */
80 public static Module getUnnamedModule() {
81 return UNNAMED_MODULE;
82 }
83
84 /**
85 * Returns the ServiceCatalog for modules defined to the boot class loader.
86 */
87 public static ServicesCatalog getServicesCatalog() {
88 return SERVICES_CATALOG;
89 }
90
91 /**
92 * Returns the ClassLoaderValue map for the boot class loader.
93 */
94 public static ConcurrentHashMap<?, ?> getClassLoaderValueMap() {
95 return CLASS_LOADER_VALUE_MAP;
96 }
97
98 /**
99 * Returns {@code true} if there is a class path associated with the
100 * BootLoader.
101 */
102 public static boolean hasClassPath() {
103 return ClassLoaders.bootLoader().hasClassPath();
104 }
105
106 /**
107 * Register a module with this class loader so that its classes (and
108 * resources) become visible via this class loader.
109 */
110 public static void loadModule(ModuleReference mref) {
111 ClassLoaders.bootLoader().loadModule(mref);
112 }
113
114 /**
115 * Loads the Class object with the given name defined to the boot loader.
116 */
117 public static Class<?> loadClassOrNull(String name) {
118 return ClassLoaders.bootLoader().loadClassOrNull(name);
119 }
120
121 /**
122 * Loads the Class object with the given name in the given module
123 * defined to the boot loader. Returns {@code null} if not found.
124 */
125 public static Class<?> loadClass(Module module, String name) {
126 Class<?> c = loadClassOrNull(name);
179 public static Package getDefinedPackage(String pn) {
180 Package pkg = ClassLoaders.bootLoader().getDefinedPackage(pn);
181 if (pkg == null) {
182 String location = getSystemPackageLocation(pn.replace('.', '/'));
183 if (location != null) {
184 pkg = PackageHelper.definePackage(pn.intern(), location);
185 }
186 }
187 return pkg;
188 }
189
190 /**
191 * Returns a stream of the packages defined to the boot loader.
192 */
193 public static Stream<Package> packages() {
194 return Arrays.stream(getSystemPackageNames())
195 .map(name -> getDefinedPackage(name.replace('/', '.')));
196 }
197
198 /**
199 * Helper class to define {@code Package} objects for packages in modules
200 * defined to the boot loader.
201 */
202 static class PackageHelper {
203 private static final JavaLangAccess JLA = SharedSecrets.getJavaLangAccess();
204
205 /**
206 * Define the {@code Package} with the given name. The specified
207 * location is a jrt URL to a named module in the run-time image,
208 * a file URL to a module in an exploded run-time image, or a file
209 * path to an entry on the boot class path (java agent Boot-Class-Path
210 * or -Xbootclasspath/a.
211 *
212 * <p> If the given location is a JAR file containing a manifest,
213 * the defined Package contains the versioning information from
214 * the manifest, if present.
215 *
216 * @param name package name
217 * @param location location where the package is (jrt URL or file URL
218 * for a named module in the run-time or exploded image;
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