--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxws/src/java.xml.bind/share/classes/javax/xml/bind/ServiceLoaderUtil.java Fri Apr 10 14:54:20 2015 +0300
@@ -0,0 +1,192 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.xml.bind;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.Iterator;
+import java.util.Properties;
+import java.util.ServiceLoader;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * Shared ServiceLoader/FactoryFinder Utils shared among SAAJ, JAXB and JAXWS
+ * - this class must be duplicated to all those projects, but it's
+ * basically generic code and we want to have it everywhere same.
+ *
+ * @author Miroslav.Kos@oracle.com
+ */
+class ServiceLoaderUtil {
+
+ private static final String OSGI_SERVICE_LOADER_CLASS_NAME = "com.sun.org.glassfish.hk2.osgiresourcelocator.ServiceLoader";
+ private static final String OSGI_SERVICE_LOADER_METHOD_NAME = "lookupProviderClasses";
+
+ static <P> P firstByServiceLoader(Class<P> spiClass, Logger logger) {
+ // service discovery
+ ServiceLoader<P> serviceLoader = ServiceLoader.load(spiClass);
+ for (P impl : serviceLoader) {
+ logger.fine("ServiceProvider loading Facility used; returning object [" + impl.getClass().getName() + "]");
+ return impl;
+ }
+ return null;
+ }
+
+ static boolean isOsgi(Logger logger) {
+ try {
+ Class.forName(OSGI_SERVICE_LOADER_CLASS_NAME);
+ return true;
+ } catch (ClassNotFoundException ignored) {
+ logger.log(Level.FINE, "OSGi classes not found, OSGi not available.", ignored);
+ }
+ return false;
+ }
+
+ static Object lookupUsingOSGiServiceLoader(String factoryId, Logger logger) {
+ try {
+ // Use reflection to avoid having any dependendcy on ServiceLoader class
+ Class serviceClass = Class.forName(factoryId);
+ Class target = Class.forName(OSGI_SERVICE_LOADER_CLASS_NAME);
+ Method m = target.getMethod(OSGI_SERVICE_LOADER_METHOD_NAME, Class.class);
+ Iterator iter = ((Iterable) m.invoke(null, serviceClass)).iterator();
+ if (iter.hasNext()) {
+ Object next = iter.next();
+ logger.fine("Found implementation using OSGi facility; returning object [" + next.getClass().getName() + "].");
+ return next;
+ } else {
+ return null;
+ }
+ } catch (Exception ignored) {
+ logger.log(Level.FINE, "Unable to find from OSGi: [" + factoryId + "]", ignored);
+ return null;
+ }
+ }
+
+ static String propertyFileLookup(final String configFullPath, final String factoryId) throws IOException {
+ File f = new File(configFullPath);
+ String factoryClassName = null;
+ if (f.exists()) {
+ Properties props = new Properties();
+ FileInputStream stream = null;
+ try {
+ stream = new FileInputStream(f);
+ props.load(stream);
+ factoryClassName = props.getProperty(factoryId);
+ } finally {
+ if (stream != null) {
+ try {
+ stream.close();
+ } catch (IOException ignored) {
+ }
+ }
+ }
+ }
+ return factoryClassName;
+ }
+
+ static void checkPackageAccess(String className) {
+ // make sure that the current thread has an access to the package of the given name.
+ SecurityManager s = System.getSecurityManager();
+ if (s != null) {
+ int i = className.lastIndexOf('.');
+ if (i != -1) {
+ s.checkPackageAccess(className.substring(0, i));
+ }
+ }
+ }
+
+ static Class nullSafeLoadClass(String className, ClassLoader classLoader) throws ClassNotFoundException {
+ if (classLoader == null) {
+ return Class.forName(className);
+ } else {
+ return classLoader.loadClass(className);
+ }
+ }
+
+ /**
+ * Returns instance of required class. It checks package access (security) unless it is defaultClassname. It means if you
+ * are trying to instantiate default implementation (fallback), pass the class name to both first and second parameter.
+ *
+ * @param className class to be instantiated
+ * @param isDefaultClassname says whether default implementation class
+ * @param handler exception handler - necessary for wrapping exceptions and logging
+ * @param <T> Type of exception being thrown (necessary to distinguish between Runtime and checked exceptions)
+ * @return instantiated object or throws Runtime/checked exception, depending on ExceptionHandler's type
+ * @throws T
+ */
+ static <T extends Exception> Object newInstance(String className, String defaultImplClassName, final ExceptionHandler<T> handler) throws T {
+ try {
+ return safeLoadClass(className, defaultImplClassName, contextClassLoader(handler)).newInstance();
+ } catch (ClassNotFoundException x) {
+ throw handler.createException(x, "Provider " + className + " not found");
+ } catch (Exception x) {
+ throw handler.createException(x, "Provider " + className + " could not be instantiated: " + x);
+ }
+ }
+
+ static Class safeLoadClass(String className, String defaultImplClassName, ClassLoader classLoader) throws ClassNotFoundException {
+ try {
+ checkPackageAccess(className);
+ } catch (SecurityException se) {
+ // anyone can access the platform default factory class without permission
+ if (defaultImplClassName != null && defaultImplClassName.equals(className)) {
+ return Class.forName(className);
+ }
+ // not platform default implementation ...
+ throw se;
+ }
+ return nullSafeLoadClass(className, classLoader);
+ }
+
+ static String getJavaHomeLibConfigPath(String filename) {
+ String javah = AccessController.doPrivileged(new PrivilegedAction<String>() {
+ @Override
+ public String run() {
+ return System.getProperty("java.home");
+ }
+ });
+ return javah + File.separator + "lib" + File.separator + filename;
+ }
+
+ static ClassLoader contextClassLoader(ExceptionHandler exceptionHandler) throws Exception {
+ try {
+ return Thread.currentThread().getContextClassLoader();
+ } catch (Exception x) {
+ throw exceptionHandler.createException(x, x.toString());
+ }
+ }
+
+ static abstract class ExceptionHandler<T extends Exception> {
+
+ public abstract T createException(Throwable throwable, String message);
+
+ }
+
+}