105 lines
4.3 KiB
Java
105 lines
4.3 KiB
Java
/*
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* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.tools.internal.xjc;
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import java.io.Closeable;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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import java.net.URLClassLoader;
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/**
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* A shabby driver to invoke XJC1 or XJC2 depending on the command line switch.
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*
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* <p>
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* This class is compiled with -source 1.2 so that we can report a nice
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* user-friendly "you require Tiger" error message.
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*
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* @author Kohsuke Kawaguchi
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*/
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public class XJCFacade {
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private static final String JDK6_REQUIRED = "XJC requires JDK 6.0 or later. Please download it from http://www.oracle.com/technetwork/java/javase/downloads";
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public static void main(String[] args) throws Throwable {
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String v = "2.0"; // by default, we go 2.0
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for (int i = 0; i < args.length; i++) {
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if (args[i].equals("-source")) {
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if (i + 1 < args.length) {
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v = parseVersion(args[i + 1]);
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}
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}
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}
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ClassLoader oldContextCl = SecureLoader.getContextClassLoader();
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try {
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ClassLoader cl = ClassLoaderBuilder.createProtectiveClassLoader(SecureLoader.getClassClassLoader(XJCFacade.class), v);
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SecureLoader.setContextClassLoader(cl);
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Class<?> driver = cl.loadClass("com.sun.tools.internal.xjc.Driver");
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Method mainMethod = driver.getDeclaredMethod("main", new Class[]{String[].class});
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try {
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mainMethod.invoke(null, new Object[]{args});
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} catch (InvocationTargetException e) {
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if (e.getTargetException() != null) {
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throw e.getTargetException();
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}
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}
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} catch (UnsupportedClassVersionError e) {
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System.err.println(JDK6_REQUIRED);
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} finally {
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ClassLoader cl = SecureLoader.getContextClassLoader();
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SecureLoader.setContextClassLoader(oldContextCl);
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//close/cleanup all classLoaders but the one which loaded this class
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while (cl != null && !oldContextCl.equals(cl)) {
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if (cl instanceof Closeable) {
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//JDK7+, ParallelWorldClassLoader
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((Closeable) cl).close();
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} else {
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if (cl instanceof URLClassLoader) {
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//JDK6 - API jars are loaded by instance of URLClassLoader
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//so use proprietary API to release holded resources
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try {
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Class<?> clUtil = oldContextCl.loadClass("sun.misc.ClassLoaderUtil");
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Method release = clUtil.getDeclaredMethod("releaseLoader", URLClassLoader.class);
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release.invoke(null, cl);
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} catch (ClassNotFoundException ex) {
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//not Sun JDK 6, ignore
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System.err.println(JDK6_REQUIRED);
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}
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}
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}
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cl = SecureLoader.getParentClassLoader(cl);
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}
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}
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}
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public static String parseVersion(String version) {
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// no other versions supported as of now
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return "2.0";
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}
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}
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