1 /*
2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
141
142 return new JAXBException(Messages.format(Messages.ILLEGAL_CAST,
143 // we don't care where the impl class is, we want to know where JAXBContext lives in the impl
144 // class' ClassLoader
145 getClassClassLoader(originalType).getResource("javax/xml/bind/JAXBContext.class"),
146 targetTypeURL));
147 }
148
149 /**
150 * Create an instance of a class using the specified ClassLoader
151 */
152 static JAXBContext newInstance(String contextPath,
153 String className,
154 ClassLoader classLoader,
155 Map properties) throws JAXBException {
156
157 try {
158 Class spFactory = ServiceLoaderUtil.safeLoadClass(className, PLATFORM_DEFAULT_FACTORY_CLASS, classLoader);
159 return newInstance(contextPath, spFactory, classLoader, properties);
160 } catch (ClassNotFoundException x) {
161 throw new JAXBException(Messages.format(Messages.PROVIDER_NOT_FOUND, className), x);
162
163 } catch (RuntimeException | JAXBException x) {
164 // avoid wrapping RuntimeException to JAXBException,
165 // because it indicates a bug in this code.
166 // JAXBException re-thrown as is
167 throw x;
168 } catch (Exception x) {
169 // can't catch JAXBException because the method is hidden behind
170 // reflection. Root element collisions detected in the call to
171 // createContext() are reported as JAXBExceptions - just re-throw it
172 // some other type of exception - just wrap it
173 throw new JAXBException(Messages.format(Messages.COULD_NOT_INSTANTIATE, className, x), x);
174 }
175 }
176
177 static JAXBContext newInstance(String contextPath,
178 Class spFactory,
179 ClassLoader classLoader,
180 Map properties) throws JAXBException {
181
211 if (!(context instanceof JAXBContext)) {
212 // the cast would fail, so generate an exception with a nice message
213 throw handleClassCastException(context.getClass(), JAXBContext.class);
214 }
215 return (JAXBContext) context;
216 } catch (InvocationTargetException x) {
217 // throw if it is exception not to be wrapped
218 // otherwise, wrap with a JAXBException
219 Throwable e = handleInvocationTargetException(x);
220 throw new JAXBException(Messages.format(Messages.COULD_NOT_INSTANTIATE, spFactory, e), e);
221
222 } catch (Exception x) {
223 // can't catch JAXBException because the method is hidden behind
224 // reflection. Root element collisions detected in the call to
225 // createContext() are reported as JAXBExceptions - just re-throw it
226 // some other type of exception - just wrap it
227 throw new JAXBException(Messages.format(Messages.COULD_NOT_INSTANTIATE, spFactory, x), x);
228 }
229 }
230
231 private static Object instantiateProviderIfNecessary(Class<?> implClass) throws JAXBException {
232 try {
233 if (JAXBContextFactory.class.isAssignableFrom(implClass)) {
234 return AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
235 @Override
236 public Object run() throws Exception {
237 return implClass.newInstance();
238 }
239 });
240 }
241 return null;
242 } catch (PrivilegedActionException x) {
243 Throwable e = (x.getCause() == null) ? x : x.getCause();
244 throw new JAXBException(Messages.format(Messages.COULD_NOT_INSTANTIATE, implClass, e), e);
245 }
246 }
247
248 /**
249 * Create an instance of a class using the thread context ClassLoader
250 */
251 static JAXBContext newInstance(Class[] classes, Map properties, String className) throws JAXBException {
252
253 Class spi;
254 try {
255 spi = ServiceLoaderUtil.safeLoadClass(className, PLATFORM_DEFAULT_FACTORY_CLASS, getContextClassLoader());
256 } catch (ClassNotFoundException e) {
257 throw new JAXBException(e);
258 }
259
260 if (logger.isLoggable(Level.FINE)) {
261 // extra check to avoid costly which operation if not logged
262 logger.log(Level.FINE, "loaded {0} from {1}", new Object[]{className, which(spi)});
263 }
264
265 return newInstance(classes, properties, spi);
266 }
267
268 static JAXBContext newInstance(Class[] classes,
269 Map properties,
270 Class spFactory) throws JAXBException {
271 try {
272
273 Method m = spFactory.getMethod("createContext", Class[].class, Map.class);
274 Object obj = instantiateProviderIfNecessary(spFactory);
275 Object context = m.invoke(obj, classes, properties);
276 if (!(context instanceof JAXBContext)) {
277 // the cast would fail, so generate an exception with a nice message
508 * Convenience method for {@link #which(Class, ClassLoader)}.
509 *
510 * Equivalent to calling: which(clazz, clazz.getClassLoader())
511 *
512 * @param clazz
513 * The class to search for
514 * @return
515 * the URL for the class or null if it wasn't found
516 */
517 static URL which(Class clazz) {
518 return which(clazz, getClassClassLoader(clazz));
519 }
520
521 @SuppressWarnings("unchecked")
522 private static ClassLoader getContextClassLoader() {
523 if (System.getSecurityManager() == null) {
524 return Thread.currentThread().getContextClassLoader();
525 } else {
526 return (ClassLoader) java.security.AccessController.doPrivileged(
527 new java.security.PrivilegedAction() {
528 public java.lang.Object run() {
529 return Thread.currentThread().getContextClassLoader();
530 }
531 });
532 }
533 }
534
535 @SuppressWarnings("unchecked")
536 private static ClassLoader getClassClassLoader(final Class c) {
537 if (System.getSecurityManager() == null) {
538 return c.getClassLoader();
539 } else {
540 return (ClassLoader) java.security.AccessController.doPrivileged(
541 new java.security.PrivilegedAction() {
542 public java.lang.Object run() {
543 return c.getClassLoader();
544 }
545 });
546 }
547 }
548
549 private static ClassLoader getSystemClassLoader() {
550 if (System.getSecurityManager() == null) {
551 return ClassLoader.getSystemClassLoader();
552 } else {
553 return (ClassLoader) java.security.AccessController.doPrivileged(
554 new java.security.PrivilegedAction() {
555 public java.lang.Object run() {
556 return ClassLoader.getSystemClassLoader();
557 }
558 });
559 }
560 }
561
562 // ServiceLoaderUtil.firstByServiceLoaderDeprecated should be used instead.
563 @Deprecated
564 static String firstByServiceLoaderDeprecated(Class spiClass,
565 ClassLoader classLoader) throws JAXBException {
566
567 final String jaxbContextFQCN = spiClass.getName();
568
569 logger.fine("Searching META-INF/services");
570
571 // search META-INF services next
572 BufferedReader r = null;
573 final String resource = "META-INF/services/" + jaxbContextFQCN;
574 try {
|
1 /*
2 * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
141
142 return new JAXBException(Messages.format(Messages.ILLEGAL_CAST,
143 // we don't care where the impl class is, we want to know where JAXBContext lives in the impl
144 // class' ClassLoader
145 getClassClassLoader(originalType).getResource("javax/xml/bind/JAXBContext.class"),
146 targetTypeURL));
147 }
148
149 /**
150 * Create an instance of a class using the specified ClassLoader
151 */
152 static JAXBContext newInstance(String contextPath,
153 String className,
154 ClassLoader classLoader,
155 Map properties) throws JAXBException {
156
157 try {
158 Class spFactory = ServiceLoaderUtil.safeLoadClass(className, PLATFORM_DEFAULT_FACTORY_CLASS, classLoader);
159 return newInstance(contextPath, spFactory, classLoader, properties);
160 } catch (ClassNotFoundException x) {
161 throw new JAXBException(Messages.format(Messages.DEFAULT_PROVIDER_NOT_FOUND), x);
162
163 } catch (RuntimeException | JAXBException x) {
164 // avoid wrapping RuntimeException to JAXBException,
165 // because it indicates a bug in this code.
166 // JAXBException re-thrown as is
167 throw x;
168 } catch (Exception x) {
169 // can't catch JAXBException because the method is hidden behind
170 // reflection. Root element collisions detected in the call to
171 // createContext() are reported as JAXBExceptions - just re-throw it
172 // some other type of exception - just wrap it
173 throw new JAXBException(Messages.format(Messages.COULD_NOT_INSTANTIATE, className, x), x);
174 }
175 }
176
177 static JAXBContext newInstance(String contextPath,
178 Class spFactory,
179 ClassLoader classLoader,
180 Map properties) throws JAXBException {
181
211 if (!(context instanceof JAXBContext)) {
212 // the cast would fail, so generate an exception with a nice message
213 throw handleClassCastException(context.getClass(), JAXBContext.class);
214 }
215 return (JAXBContext) context;
216 } catch (InvocationTargetException x) {
217 // throw if it is exception not to be wrapped
218 // otherwise, wrap with a JAXBException
219 Throwable e = handleInvocationTargetException(x);
220 throw new JAXBException(Messages.format(Messages.COULD_NOT_INSTANTIATE, spFactory, e), e);
221
222 } catch (Exception x) {
223 // can't catch JAXBException because the method is hidden behind
224 // reflection. Root element collisions detected in the call to
225 // createContext() are reported as JAXBExceptions - just re-throw it
226 // some other type of exception - just wrap it
227 throw new JAXBException(Messages.format(Messages.COULD_NOT_INSTANTIATE, spFactory, x), x);
228 }
229 }
230
231 private static Object instantiateProviderIfNecessary(final Class<?> implClass) throws JAXBException {
232 try {
233 if (JAXBContextFactory.class.isAssignableFrom(implClass)) {
234 return AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
235 @Override
236 public Object run() throws Exception {
237 return implClass.newInstance();
238 }
239 });
240 }
241 return null;
242 } catch (PrivilegedActionException x) {
243 Throwable e = (x.getCause() == null) ? x : x.getCause();
244 throw new JAXBException(Messages.format(Messages.COULD_NOT_INSTANTIATE, implClass, e), e);
245 }
246 }
247
248 /**
249 * Create an instance of a class using the thread context ClassLoader
250 */
251 static JAXBContext newInstance(Class[] classes, Map properties, String className) throws JAXBException {
252
253 Class spi;
254 try {
255 spi = ServiceLoaderUtil.safeLoadClass(className, PLATFORM_DEFAULT_FACTORY_CLASS, getContextClassLoader());
256 } catch (ClassNotFoundException e) {
257 throw new JAXBException(Messages.format(Messages.DEFAULT_PROVIDER_NOT_FOUND), e);
258 }
259
260 if (logger.isLoggable(Level.FINE)) {
261 // extra check to avoid costly which operation if not logged
262 logger.log(Level.FINE, "loaded {0} from {1}", new Object[]{className, which(spi)});
263 }
264
265 return newInstance(classes, properties, spi);
266 }
267
268 static JAXBContext newInstance(Class[] classes,
269 Map properties,
270 Class spFactory) throws JAXBException {
271 try {
272
273 Method m = spFactory.getMethod("createContext", Class[].class, Map.class);
274 Object obj = instantiateProviderIfNecessary(spFactory);
275 Object context = m.invoke(obj, classes, properties);
276 if (!(context instanceof JAXBContext)) {
277 // the cast would fail, so generate an exception with a nice message
508 * Convenience method for {@link #which(Class, ClassLoader)}.
509 *
510 * Equivalent to calling: which(clazz, clazz.getClassLoader())
511 *
512 * @param clazz
513 * The class to search for
514 * @return
515 * the URL for the class or null if it wasn't found
516 */
517 static URL which(Class clazz) {
518 return which(clazz, getClassClassLoader(clazz));
519 }
520
521 @SuppressWarnings("unchecked")
522 private static ClassLoader getContextClassLoader() {
523 if (System.getSecurityManager() == null) {
524 return Thread.currentThread().getContextClassLoader();
525 } else {
526 return (ClassLoader) java.security.AccessController.doPrivileged(
527 new java.security.PrivilegedAction() {
528 @Override
529 public java.lang.Object run() {
530 return Thread.currentThread().getContextClassLoader();
531 }
532 });
533 }
534 }
535
536 @SuppressWarnings("unchecked")
537 private static ClassLoader getClassClassLoader(final Class c) {
538 if (System.getSecurityManager() == null) {
539 return c.getClassLoader();
540 } else {
541 return (ClassLoader) java.security.AccessController.doPrivileged(
542 new java.security.PrivilegedAction() {
543 @Override
544 public java.lang.Object run() {
545 return c.getClassLoader();
546 }
547 });
548 }
549 }
550
551 private static ClassLoader getSystemClassLoader() {
552 if (System.getSecurityManager() == null) {
553 return ClassLoader.getSystemClassLoader();
554 } else {
555 return (ClassLoader) java.security.AccessController.doPrivileged(
556 new java.security.PrivilegedAction() {
557 @Override
558 public java.lang.Object run() {
559 return ClassLoader.getSystemClassLoader();
560 }
561 });
562 }
563 }
564
565 // ServiceLoaderUtil.firstByServiceLoaderDeprecated should be used instead.
566 @Deprecated
567 static String firstByServiceLoaderDeprecated(Class spiClass,
568 ClassLoader classLoader) throws JAXBException {
569
570 final String jaxbContextFQCN = spiClass.getName();
571
572 logger.fine("Searching META-INF/services");
573
574 // search META-INF services next
575 BufferedReader r = null;
576 final String resource = "META-INF/services/" + jaxbContextFQCN;
577 try {
|