1 /*
   2  * Copyright (c) 1997, 2014, 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 java.io.File;
  29 import java.io.FileOutputStream;
  30 import java.io.IOException;
  31 import java.io.OutputStream;
  32 import java.io.OutputStreamWriter;
  33 import java.io.PrintStream;
  34 import java.security.AccessController;
  35 import java.security.PrivilegedAction;
  36 import java.util.Iterator;
  37 
  38 import com.sun.codemodel.internal.CodeWriter;
  39 import com.sun.codemodel.internal.JCodeModel;
  40 import com.sun.codemodel.internal.writer.ZipCodeWriter;
  41 import com.sun.istack.internal.NotNull;
  42 import com.sun.istack.internal.Nullable;
  43 import com.sun.istack.internal.tools.DefaultAuthenticator;
  44 import com.sun.tools.internal.xjc.generator.bean.BeanGenerator;
  45 import com.sun.tools.internal.xjc.model.Model;
  46 import com.sun.tools.internal.xjc.outline.Outline;
  47 import com.sun.tools.internal.xjc.reader.gbind.Expression;
  48 import com.sun.tools.internal.xjc.reader.gbind.Graph;
  49 import com.sun.tools.internal.xjc.reader.internalizer.DOMForest;
  50 import com.sun.tools.internal.xjc.reader.xmlschema.ExpressionBuilder;
  51 import com.sun.tools.internal.xjc.reader.xmlschema.parser.XMLSchemaInternalizationLogic;
  52 import com.sun.tools.internal.xjc.util.ErrorReceiverFilter;
  53 import com.sun.tools.internal.xjc.util.NullStream;
  54 import com.sun.tools.internal.xjc.util.Util;
  55 import com.sun.tools.internal.xjc.writer.SignatureWriter;
  56 import com.sun.xml.internal.xsom.XSComplexType;
  57 import com.sun.xml.internal.xsom.XSParticle;
  58 import com.sun.xml.internal.xsom.XSSchemaSet;
  59 
  60 import org.xml.sax.SAXException;
  61 import org.xml.sax.SAXParseException;
  62 
  63 
  64 /**
  65  * Command Line Interface of XJC.
  66  */
  67 public class Driver {
  68 
  69     private static final String SYSTEM_PROXY_PROPERTY = "java.net.useSystemProxies";
  70 
  71     public static void main(final String[] args) throws Exception {
  72         // use the platform default proxy if available.
  73         // see sun.net.spi.DefaultProxySelector for details.
  74         setupProxies();
  75 
  76         if( Util.getSystemProperty(Driver.class,"noThreadSwap")!=null )
  77             _main(args);    // for the ease of debugging
  78 
  79         // run all the work in another thread so that the -Xss option
  80         // will take effect when compiling a large schema. See
  81         // http://developer.java.sun.com/developer/bugParade/bugs/4362291.html
  82         final Throwable[] ex = new Throwable[1];
  83 
  84         Thread th = new Thread() {
  85             @Override
  86             public void run() {
  87                 try {
  88                     _main(args);
  89                 } catch( Throwable e ) {
  90                     ex[0]=e;
  91                 }
  92             }
  93         };
  94         th.start();
  95         th.join();
  96 
  97         if(ex[0]!=null) {
  98             // re-throw
  99             if( ex[0] instanceof Exception )
 100                 throw (Exception)ex[0];
 101             else
 102                 throw (Error)ex[0];
 103         }
 104     }
 105 
 106     /**
 107      * Set useSystemProxies if needed
 108      */
 109     private static void setupProxies() {
 110         Object setProperty = AccessController.doPrivileged(new PrivilegedAction<Object>() {
 111             @Override
 112             public Object run() {
 113                 return System.getProperty(SYSTEM_PROXY_PROPERTY);
 114             }
 115         });
 116         if (setProperty == null) {
 117             AccessController.doPrivileged(new PrivilegedAction<Void>() {
 118                 @Override
 119                 public Void run() {
 120                     System.setProperty(SYSTEM_PROXY_PROPERTY, "true");
 121                     return null;
 122                 }
 123             });
 124         }
 125     }
 126 
 127     private static void _main( String[] args ) throws Exception {
 128         try {
 129             System.exit(run( args, System.out, System.out ));
 130         } catch (BadCommandLineException e) {
 131             // there was an error in the command line.
 132             // print usage and abort.
 133             if(e.getMessage()!=null) {
 134                 System.out.println(e.getMessage());
 135                 System.out.println();
 136             }
 137 
 138             usage(e.getOptions(),false);
 139             System.exit(-1);
 140         }
 141     }
 142 
 143 
 144 
 145     /**
 146      * Performs schema compilation and prints the status/error into the
 147      * specified PrintStream.
 148      *
 149      * <p>
 150      * This method could be used to trigger XJC from other tools,
 151      * such as Ant or IDE.
 152      *
 153      * @param    args
 154      *      specified command line parameters. If there is an error
 155      *      in the parameters, {@link BadCommandLineException} will
 156      *      be thrown.
 157      * @param    status
 158      *      Status report of the compilation will be sent to this object.
 159      *      Useful to update users so that they will know something is happening.
 160      *      Only ignorable messages should be sent to this stream.
 161      *
 162      *      This parameter can be null to suppress messages.
 163      *
 164      * @param    out
 165      *      Various non-ignorable output (error messages, etc)
 166      *      will go to this stream.
 167      *
 168      * @return
 169      *      If the compiler runs successfully, this method returns 0.
 170      *      All non-zero values indicate an error. The error message
 171      *      will be sent to the specified PrintStream.
 172      */
 173     public static int run(String[] args, final PrintStream status, final PrintStream out)
 174         throws Exception {
 175 
 176         class Listener extends XJCListener {
 177             ConsoleErrorReporter cer = new ConsoleErrorReporter(out==null?new PrintStream(new NullStream()):out);
 178 
 179             @Override
 180             public void generatedFile(String fileName, int count, int total) {
 181                 message(fileName);
 182             }
 183             @Override
 184             public void message(String msg) {
 185                 if(status!=null)
 186                     status.println(msg);
 187             }
 188 
 189             public void error(SAXParseException exception) {
 190                 cer.error(exception);
 191             }
 192 
 193             public void fatalError(SAXParseException exception) {
 194                 cer.fatalError(exception);
 195             }
 196 
 197             public void warning(SAXParseException exception) {
 198                 cer.warning(exception);
 199             }
 200 
 201             public void info(SAXParseException exception) {
 202                 cer.info(exception);
 203             }
 204         }
 205 
 206         return run(args,new Listener());
 207     }
 208 
 209     /**
 210      * Performs schema compilation and prints the status/error into the
 211      * specified PrintStream.
 212      *
 213      * <p>
 214      * This method could be used to trigger XJC from other tools,
 215      * such as Ant or IDE.
 216      *
 217      * @param    args
 218      *        specified command line parameters. If there is an error
 219      *        in the parameters, {@link BadCommandLineException} will
 220      *        be thrown.
 221      * @param    listener
 222      *      Receives messages from XJC reporting progress/errors.
 223      *
 224      * @return
 225      *      If the compiler runs successfully, this method returns 0.
 226      *      All non-zero values indicate an error. The error message
 227      *      will be sent to the specified PrintStream.
 228      */
 229     public static int run(String[] args, @NotNull final XJCListener listener) throws BadCommandLineException {
 230 
 231         // recognize those special options before we start parsing options.
 232         for (String arg : args) {
 233             if (arg.equals("-version")) {
 234                 listener.message(Messages.format(Messages.VERSION));
 235                 return -1;
 236             }
 237             if (arg.equals("-fullversion")) {
 238                 listener.message(Messages.format(Messages.FULLVERSION));
 239                 return -1;
 240             }
 241         }
 242 
 243         final OptionsEx opt = new OptionsEx();
 244         opt.setSchemaLanguage(Language.XMLSCHEMA);  // disable auto-guessing
 245         try {
 246             opt.parseArguments(args);
 247         } catch (WeAreDone e) {
 248             if (opt.proxyAuth != null) {
 249                 DefaultAuthenticator.reset();
 250             }
 251             return -1;
 252         } catch(BadCommandLineException e) {
 253             if (opt.proxyAuth != null) {
 254                 DefaultAuthenticator.reset();
 255             }
 256             e.initOptions(opt);
 257             throw e;
 258         }
 259 
 260         // display a warning if the user specified the default package
 261         // this should work, but is generally a bad idea
 262         if(opt.defaultPackage != null && opt.defaultPackage.length()==0) {
 263             listener.message(Messages.format(Messages.WARNING_MSG, Messages.format(Messages.DEFAULT_PACKAGE_WARNING)));
 264         }
 265 
 266 
 267         // set up the context class loader so that the user-specified classes
 268         // can be loaded from there
 269         final ClassLoader contextClassLoader = SecureLoader.getContextClassLoader();
 270         SecureLoader.setContextClassLoader(opt.getUserClassLoader(contextClassLoader));
 271 
 272         // parse a grammar file
 273         //-----------------------------------------
 274         try {
 275             if( !opt.quiet ) {
 276                 listener.message(Messages.format(Messages.PARSING_SCHEMA));
 277             }
 278 
 279             final boolean[] hadWarning = new boolean[1];
 280 
 281             ErrorReceiver receiver = new ErrorReceiverFilter(listener) {
 282                 @Override
 283                 public void info(SAXParseException exception) {
 284                     if(opt.verbose)
 285                         super.info(exception);
 286                 }
 287                 @Override
 288                 public void warning(SAXParseException exception) {
 289                     hadWarning[0] = true;
 290                     if(!opt.quiet)
 291                         super.warning(exception);
 292                 }
 293                 @Override
 294                 public void pollAbort() throws AbortException {
 295                     if(listener.isCanceled())
 296                         throw new AbortException();
 297                 }
 298             };
 299 
 300             if( opt.mode==Mode.FOREST ) {
 301                 // dump DOM forest and quit
 302                 ModelLoader loader  = new ModelLoader( opt, new JCodeModel(), receiver );
 303                 try {
 304                     DOMForest forest = loader.buildDOMForest(new XMLSchemaInternalizationLogic());
 305                     forest.dump(System.out);
 306                     return 0;
 307                 } catch (SAXException e) {
 308                     // the error should have already been reported
 309                 } catch (IOException e) {
 310                     receiver.error(e);
 311                 }
 312 
 313                 return -1;
 314             }
 315 
 316             if( opt.mode==Mode.GBIND ) {
 317                 try {
 318                     XSSchemaSet xss = new ModelLoader(opt, new JCodeModel(), receiver).loadXMLSchema();
 319                     Iterator<XSComplexType> it = xss.iterateComplexTypes();
 320                     while (it.hasNext()) {
 321                         XSComplexType ct =  it.next();
 322                         XSParticle p = ct.getContentType().asParticle();
 323                         if(p==null)     continue;
 324 
 325                         Expression tree = ExpressionBuilder.createTree(p);
 326                         System.out.println("Graph for "+ct.getName());
 327                         System.out.println(tree.toString());
 328                         Graph g = new Graph(tree);
 329                         System.out.println(g.toString());
 330                         System.out.println();
 331                     }
 332                     return 0;
 333                 } catch (SAXException e) {
 334                     // the error should have already been reported
 335                 }
 336                 return -1;
 337             }
 338 
 339             Model model = ModelLoader.load( opt, new JCodeModel(), receiver );
 340 
 341             if (model == null) {
 342                 listener.message(Messages.format(Messages.PARSE_FAILED));
 343                 return -1;
 344             }
 345 
 346             if( !opt.quiet ) {
 347                 listener.message(Messages.format(Messages.COMPILING_SCHEMA));
 348             }
 349 
 350             switch (opt.mode) {
 351             case SIGNATURE :
 352                 try {
 353                     SignatureWriter.write(
 354                         BeanGenerator.generate(model,receiver),
 355                         new OutputStreamWriter(System.out));
 356                     return 0;
 357                 } catch (IOException e) {
 358                     receiver.error(e);
 359                     return -1;
 360                 }
 361 
 362             case CODE :
 363             case DRYRUN :
 364             case ZIP :
 365                 {
 366                     // generate actual code
 367                     receiver.debug("generating code");
 368                     {// don't want to hold outline in memory for too long.
 369                         Outline outline = model.generateCode(opt,receiver);
 370                         if(outline==null) {
 371                             listener.message(
 372                                 Messages.format(Messages.FAILED_TO_GENERATE_CODE));
 373                             return -1;
 374                         }
 375 
 376                         listener.compiled(outline);
 377                     }
 378 
 379                     if( opt.mode == Mode.DRYRUN )
 380                         break;  // enough
 381 
 382                     // then print them out
 383                     try {
 384                         CodeWriter cw;
 385                         if( opt.mode==Mode.ZIP ) {
 386                             OutputStream os;
 387                             if(opt.targetDir.getPath().equals("."))
 388                                 os = System.out;
 389                             else
 390                                 os = new FileOutputStream(opt.targetDir);
 391 
 392                             cw = opt.createCodeWriter(new ZipCodeWriter(os));
 393                         } else
 394                             cw = opt.createCodeWriter();
 395 
 396                         if( !opt.quiet ) {
 397                             cw = new ProgressCodeWriter(cw,listener, model.codeModel.countArtifacts());
 398                         }
 399                         model.codeModel.build(cw);
 400                     } catch (IOException e) {
 401                         receiver.error(e);
 402                         return -1;
 403                     }
 404 
 405                     break;
 406                 }
 407             default :
 408                 assert false;
 409             }
 410 
 411             if(opt.debugMode) {
 412                 try {
 413                     new FileOutputStream(new File(opt.targetDir,hadWarning[0]?"hadWarning":"noWarning")).close();
 414                 } catch (IOException e) {
 415                     receiver.error(e);
 416                     return -1;
 417                 }
 418             }
 419 
 420             return 0;
 421         } catch( StackOverflowError e ) {
 422             if(opt.verbose)
 423                 // in the debug mode, propagate the error so that
 424                 // the full stack trace will be dumped to the screen.
 425                 throw e;
 426             else {
 427                 // otherwise just print a suggested workaround and
 428                 // quit without filling the user's screen
 429                 listener.message(Messages.format(Messages.STACK_OVERFLOW));
 430                 return -1;
 431             }
 432         } finally {
 433             if (opt.proxyAuth != null) {
 434                 DefaultAuthenticator.reset();
 435             }
 436         }
 437     }
 438 
 439     public static String getBuildID() {
 440         return Messages.format(Messages.BUILD_ID);
 441     }
 442 
 443 
 444     /**
 445      * Operation mode.
 446      */
 447     private static enum Mode {
 448         // normal mode. compile the code
 449         CODE,
 450 
 451         // dump the signature of the generated code
 452         SIGNATURE,
 453 
 454         // dump DOMForest
 455         FOREST,
 456 
 457         // same as CODE but don't produce any Java source code
 458         DRYRUN,
 459 
 460         // same as CODE but pack all the outputs into a zip and dumps to stdout
 461         ZIP,
 462 
 463         // testing a new binding mode
 464         GBIND
 465     }
 466 
 467 
 468     /**
 469      * Command-line arguments processor.
 470      *
 471      * <p>
 472      * This class contains options that only make sense
 473      * for the command line interface.
 474      */
 475     static class OptionsEx extends Options
 476     {
 477         /** Operation mode. */
 478         protected Mode mode = Mode.CODE;
 479 
 480         /** A switch that determines the behavior in the BGM mode. */
 481         public boolean noNS = false;
 482 
 483         /** Parse XJC-specific options. */
 484         @Override
 485         public int parseArgument(String[] args, int i) throws BadCommandLineException {
 486             if (args[i].equals("-noNS")) {
 487                 noNS = true;
 488                 return 1;
 489             }
 490             if (args[i].equals("-mode")) {
 491                 i++;
 492                 if (i == args.length)
 493                     throw new BadCommandLineException(
 494                         Messages.format(Messages.MISSING_MODE_OPERAND));
 495 
 496                 String mstr = args[i].toLowerCase();
 497 
 498                 for( Mode m : Mode.values() ) {
 499                     if(m.name().toLowerCase().startsWith(mstr) && mstr.length()>2) {
 500                         mode = m;
 501                         return 2;
 502                     }
 503                 }
 504 
 505                 throw new BadCommandLineException(
 506                     Messages.format(Messages.UNRECOGNIZED_MODE, args[i]));
 507             }
 508             if (args[i].equals("-help")) {
 509                 usage(this,false);
 510                 throw new WeAreDone();
 511             }
 512             if (args[i].equals("-private")) {
 513                 usage(this,true);
 514                 throw new WeAreDone();
 515             }
 516 
 517             return super.parseArgument(args, i);
 518         }
 519     }
 520 
 521     /**
 522      * Used to signal that we've finished processing.
 523      */
 524     private static final class WeAreDone extends BadCommandLineException {}
 525 
 526 
 527     /**
 528      * Prints the usage screen and exits the process.
 529      *
 530      * @param opts
 531      *      If the parsing of options have started, set a partly populated
 532      *      {@link Options} object.
 533      */
 534     public static void usage( @Nullable Options opts, boolean privateUsage ) {
 535         System.out.println(Messages.format(Messages.DRIVER_PUBLIC_USAGE));
 536         if (privateUsage) {
 537             System.out.println(Messages.format(Messages.DRIVER_PRIVATE_USAGE));
 538         }
 539 
 540         if( opts!=null && !opts.getAllPlugins().isEmpty()) {
 541             System.out.println(Messages.format(Messages.ADDON_USAGE));
 542             for (Plugin p : opts.getAllPlugins()) {
 543                 System.out.println(p.getUsage());
 544             }
 545         }
 546     }
 547 }