--- /dev/null 2015-10-26 13:45:54.000000000 +0100 +++ new/src/java.xml.ws/share/classes/javax/xml/soap/ServiceLoaderUtil.java 2015-10-26 13:45:54.000000000 +0100 @@ -0,0 +1,125 @@ +/* + * 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.soap; + +import java.util.ServiceLoader; +import java.util.logging.Level; +import java.util.logging.Logger; + +/** + * Shared ServiceLoader/FactoryFinder Utils shared among SAAJ, JAXB and JAXWS + * Class duplicated to all those projects. + * + * @author Miroslav.Kos@oracle.com + */ +class ServiceLoaderUtil { + + static P firstByServiceLoader(Class

spiClass, + Logger logger, + ExceptionHandler handler) throws T { + logger.log(Level.FINE, "Using java.util.ServiceLoader to find {0}", spiClass.getName()); + // service discovery + try { + ServiceLoader

serviceLoader = ServiceLoader.load(spiClass); + + for (P impl : serviceLoader) { + logger.fine("ServiceProvider loading Facility used; returning object [" + + impl.getClass().getName() + "]"); + + return impl; + } + } catch (Throwable t) { + throw handler.createException(t, "Error while searching for service [" + spiClass.getName() + "]"); + } + return null; + } + + 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. + static Object newInstance(String className, + String defaultImplClassName, ClassLoader classLoader, + final ExceptionHandler handler) throws T { + try { + return safeLoadClass(className, defaultImplClassName, classLoader).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 ClassLoader contextClassLoader(ExceptionHandler exceptionHandler) throws T { + try { + return Thread.currentThread().getContextClassLoader(); + } catch (Exception x) { + throw exceptionHandler.createException(x, x.toString()); + } + } + + static abstract class ExceptionHandler { + + public abstract T createException(Throwable throwable, String message); + + } + +}