| /* |
| * Copyright (c) 2017, 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.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.lang.Module; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * Propagates openness of JAXB annottated classess packages to JAXB impl module. |
| * |
| * @author Roman Grigoriadi |
| */ |
| class ModuleUtil { |
| |
| private static Logger logger = Logger.getLogger("javax.xml.bind"); |
| |
| /** |
| * Resolves classes from context path. |
| * Only one class per package is needed to access its {@link java.lang.Module} |
| */ |
| static Class[] getClassesFromContextPath(String contextPath, ClassLoader classLoader) throws JAXBException { |
| List<Class> classes = new ArrayList<>(); |
| if (contextPath == null || contextPath.isEmpty()){ |
| return classes.toArray(new Class[]{}); |
| } |
| |
| String [] tokens = contextPath.split(":"); |
| for (String pkg : tokens){ |
| |
| // look for ObjectFactory and load it |
| final Class<?> o; |
| try { |
| o = classLoader.loadClass(pkg+".ObjectFactory"); |
| classes.add(o); |
| continue; |
| } catch (ClassNotFoundException e) { |
| // not necessarily an error |
| } |
| |
| // look for jaxb.index and load the list of classes |
| try { |
| final Class firstByJaxbIndex = findFirstByJaxbIndex(pkg, classLoader); |
| if (firstByJaxbIndex != null) { |
| classes.add(firstByJaxbIndex); |
| } |
| } catch (IOException e) { |
| throw new JAXBException(e); |
| } |
| } |
| |
| if (logger.isLoggable(Level.FINE)) { |
| logger.log(Level.FINE, "Resolved classes from context path: {0}", classes); |
| } |
| return classes.toArray(new Class[]{}); |
| } |
| |
| /** |
| * Find first class in package by {@code jaxb.index} file. |
| */ |
| static Class findFirstByJaxbIndex(String pkg, ClassLoader classLoader) throws IOException, JAXBException { |
| final String resource = pkg.replace('.', '/') + "/jaxb.index"; |
| final InputStream resourceAsStream = classLoader.getResourceAsStream(resource); |
| |
| if (resourceAsStream == null) { |
| return null; |
| } |
| |
| BufferedReader in = |
| new BufferedReader(new InputStreamReader(resourceAsStream, "UTF-8")); |
| try { |
| String className = in.readLine(); |
| while (className != null) { |
| className = className.trim(); |
| if (className.startsWith("#") || (className.length() == 0)) { |
| className = in.readLine(); |
| continue; |
| } |
| |
| try { |
| return classLoader.loadClass(pkg + '.' + className); |
| } catch (ClassNotFoundException e) { |
| throw new JAXBException(Messages.format(Messages.ERROR_LOAD_CLASS, className, pkg), e); |
| } |
| |
| } |
| } finally { |
| in.close(); |
| } |
| return null; |
| } |
| |
| /** |
| * Implementation may be defined in other module than {@code java.xml.bind}. In that case openness |
| * {@linkplain Module#isOpen open} of classes should be delegated to implementation module. |
| * |
| * @param classes used to resolve module for {@linkplain Module#addOpens(String, Module)} |
| * @param factorySPI used to resolve {@link Module} of the implementation. |
| * |
| * @throws JAXBException if ony of a classes package is not open to {@code java.xml.bind} module. |
| */ |
| static void delegateAddOpensToImplModule(Class[] classes, Class<?> factorySPI) throws JAXBException { |
| final Module implModule = factorySPI.getModule(); |
| if (!implModule.isNamed()) { |
| return; |
| } |
| |
| Module jaxbModule = JAXBContext.class.getModule(); |
| |
| for (Class cls : classes) { |
| final Module classModule = cls.getModule(); |
| final String packageName = cls.getPackageName(); |
| //no need for unnamed |
| if (!classModule.isNamed()) { |
| continue; |
| } |
| //report error if they are not open to java.xml.bind |
| if (!classModule.isOpen(packageName, jaxbModule)) { |
| throw new JAXBException(Messages.format(Messages.JAXB_CLASSES_NOT_OPEN, |
| packageName, cls.getName(), classModule.getName())); |
| } |
| //propagate openness to impl module |
| classModule.addOpens(packageName, implModule); |
| if (logger.isLoggable(Level.FINE)) { |
| logger.log(Level.FINE, "Propagating openness of package {0} in {1} to {2}.", |
| new String[]{ packageName, classModule.getName(), implModule.getName() }); |
| } |
| } |
| } |
| |
| } |