115
116 @Override
117 protected Class<?> loadClassOrNull(String cn, boolean resolve) {
118 return JLA.findBootstrapClassOrNull(this, cn);
119 }
120 };
121
122 /**
123 * The platform class loader, a unique type to make it easier to distinguish
124 * from the application class loader.
125 */
126 private static class PlatformClassLoader extends BuiltinClassLoader {
127 static {
128 if (!ClassLoader.registerAsParallelCapable())
129 throw new InternalError();
130 }
131
132 PlatformClassLoader(BootClassLoader parent) {
133 super("platform", parent, null);
134 }
135
136 /**
137 * Called by the VM to support define package for AppCDS.
138 *
139 * Shared classes are returned in ClassLoader::findLoadedClass
140 * that bypass the defineClass call.
141 */
142 private Package definePackage(String pn, Module module) {
143 return JLA.definePackage(this, pn, module);
144 }
145 }
146
147 /**
148 * The application class loader that is a {@code BuiltinClassLoader} with
149 * customizations to be compatible with long standing behavior.
150 */
151 private static class AppClassLoader extends BuiltinClassLoader {
152 static {
153 if (!ClassLoader.registerAsParallelCapable())
154 throw new InternalError();
155 }
156
157 final URLClassPath ucp;
158
159 AppClassLoader(PlatformClassLoader parent, URLClassPath ucp) {
160 super("app", parent, ucp);
161 this.ucp = ucp;
162 }
163
164 @Override
175 }
176 }
177
178 return super.loadClass(cn, resolve);
179 }
180
181 @Override
182 protected PermissionCollection getPermissions(CodeSource cs) {
183 PermissionCollection perms = super.getPermissions(cs);
184 perms.add(new RuntimePermission("exitVM"));
185 return perms;
186 }
187
188 /**
189 * Called by the VM to support dynamic additions to the class path
190 *
191 * @see java.lang.instrument.Instrumentation#appendToSystemClassLoaderSearch
192 */
193 void appendToClassPathForInstrumentation(String path) {
194 ucp.addFile(path);
195 }
196
197 /**
198 * Called by the VM to support define package for AppCDS
199 *
200 * Shared classes are returned in ClassLoader::findLoadedClass
201 * that bypass the defineClass call.
202 */
203 private Package definePackage(String pn, Module module) {
204 return JLA.definePackage(this, pn, module);
205 }
206
207 /**
208 * Called by the VM to support define package for AppCDS
209 */
210 protected Package defineOrCheckPackage(String pn, Manifest man, URL url) {
211 return super.defineOrCheckPackage(pn, man, url);
212 }
213 }
214
215 /**
216 * Attempts to convert the given string to a file URL.
217 *
218 * @apiNote This is called by the VM
219 */
220 @Deprecated
221 private static URL toFileURL(String s) {
222 try {
223 // Use an intermediate File object to construct a URI/URL without
224 // authority component as URLClassPath can't handle URLs with a UNC
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115
116 @Override
117 protected Class<?> loadClassOrNull(String cn, boolean resolve) {
118 return JLA.findBootstrapClassOrNull(this, cn);
119 }
120 };
121
122 /**
123 * The platform class loader, a unique type to make it easier to distinguish
124 * from the application class loader.
125 */
126 private static class PlatformClassLoader extends BuiltinClassLoader {
127 static {
128 if (!ClassLoader.registerAsParallelCapable())
129 throw new InternalError();
130 }
131
132 PlatformClassLoader(BootClassLoader parent) {
133 super("platform", parent, null);
134 }
135 }
136
137 /**
138 * The application class loader that is a {@code BuiltinClassLoader} with
139 * customizations to be compatible with long standing behavior.
140 */
141 private static class AppClassLoader extends BuiltinClassLoader {
142 static {
143 if (!ClassLoader.registerAsParallelCapable())
144 throw new InternalError();
145 }
146
147 final URLClassPath ucp;
148
149 AppClassLoader(PlatformClassLoader parent, URLClassPath ucp) {
150 super("app", parent, ucp);
151 this.ucp = ucp;
152 }
153
154 @Override
165 }
166 }
167
168 return super.loadClass(cn, resolve);
169 }
170
171 @Override
172 protected PermissionCollection getPermissions(CodeSource cs) {
173 PermissionCollection perms = super.getPermissions(cs);
174 perms.add(new RuntimePermission("exitVM"));
175 return perms;
176 }
177
178 /**
179 * Called by the VM to support dynamic additions to the class path
180 *
181 * @see java.lang.instrument.Instrumentation#appendToSystemClassLoaderSearch
182 */
183 void appendToClassPathForInstrumentation(String path) {
184 ucp.addFile(path);
185 }
186
187 /**
188 * Called by the VM to support define package for AppCDS
189 */
190 protected Package defineOrCheckPackage(String pn, Manifest man, URL url) {
191 return super.defineOrCheckPackage(pn, man, url);
192 }
193 }
194
195 /**
196 * Attempts to convert the given string to a file URL.
197 *
198 * @apiNote This is called by the VM
199 */
200 @Deprecated
201 private static URL toFileURL(String s) {
202 try {
203 // Use an intermediate File object to construct a URI/URL without
204 // authority component as URLClassPath can't handle URLs with a UNC
|