1 /*
   2  * Copyright (c) 1997, 2011, 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
  23  * questions.
  24  */
  25 
  26 package com.sun.tools.internal.xjc;
  27 
  28 import com.sun.tools.internal.xjc.SecureLoader;
  29 import java.lang.reflect.InvocationTargetException;
  30 import java.lang.reflect.Method;
  31 
  32 /**
  33  * A shabby driver to invoke XJC1 or XJC2 depending on the command line switch.
  34  *
  35  * <p>
  36  * This class is compiled with -source 1.2 so that we can report a nice user-friendly
  37  * "you require Tiger" error message.
  38  *
  39  * @author Kohsuke Kawaguchi
  40  */
  41 public class XJCFacade {
  42 
  43     public static void main(String[] args) throws Throwable {
  44         String v = "2.0";      // by default, we go 2.0
  45 
  46         for( int i=0; i<args.length; i++ ) {
  47             if(args[i].equals("-source")) {
  48                 if(i+1<args.length) {
  49                     v = parseVersion(args[i+1]);
  50                 }
  51             }
  52         }
  53 
  54         try {
  55             ClassLoader cl = ClassLoaderBuilder.createProtectiveClassLoader(SecureLoader.getClassClassLoader(XJCFacade.class), v);
  56 
  57             Class driver = cl.loadClass("com.sun.tools.internal.xjc.Driver");
  58             Method mainMethod = driver.getDeclaredMethod("main", new Class[]{String[].class});
  59             try {
  60                 mainMethod.invoke(null,new Object[]{args});
  61             } catch (IllegalAccessException e) {
  62                 throw e;
  63             } catch (InvocationTargetException e) {
  64                 if(e.getTargetException()!=null)
  65                     throw e.getTargetException();
  66             }
  67         } catch (UnsupportedClassVersionError e) {
  68             System.err.println("XJC requires JDK 5.0 or later. Please download it from http://java.sun.com/j2se/1.5/");
  69         }
  70     }
  71 
  72     private static String parseVersion(String version) {
  73         if(version.equals("1.0"))
  74             return version;
  75         // if we don't recognize the version number, we'll go to 2.0 RI
  76         // anyway. It's easier to report an error message there,
  77         // than in here.
  78         return "2.0";
  79     }
  80 }