1 /*
   2  * Copyright (c) 1997, 2013, 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.util.Iterator;
  35 
  36 import com.sun.codemodel.internal.CodeWriter;
  37 import com.sun.codemodel.internal.JCodeModel;
  38 import com.sun.codemodel.internal.writer.ZipCodeWriter;
  39 import com.sun.istack.internal.NotNull;
  40 import com.sun.istack.internal.Nullable;
  41 import com.sun.istack.internal.tools.DefaultAuthenticator;
  42 import com.sun.tools.internal.xjc.generator.bean.BeanGenerator;
  43 import com.sun.tools.internal.xjc.model.Model;
  44 import com.sun.tools.internal.xjc.outline.Outline;
  45 import com.sun.tools.internal.xjc.reader.gbind.Expression;
  46 import com.sun.tools.internal.xjc.reader.gbind.Graph;
  47 import com.sun.tools.internal.xjc.reader.internalizer.DOMForest;
  48 import com.sun.tools.internal.xjc.reader.xmlschema.ExpressionBuilder;
  49 import com.sun.tools.internal.xjc.reader.xmlschema.parser.XMLSchemaInternalizationLogic;
  50 import com.sun.tools.internal.xjc.util.ErrorReceiverFilter;
  51 import com.sun.tools.internal.xjc.util.NullStream;
  52 import com.sun.tools.internal.xjc.util.Util;
  53 import com.sun.tools.internal.xjc.writer.SignatureWriter;
  54 import com.sun.xml.internal.xsom.XSComplexType;
  55 import com.sun.xml.internal.xsom.XSParticle;
  56 import com.sun.xml.internal.xsom.XSSchemaSet;
  57 
  58 import org.xml.sax.SAXException;
  59 import org.xml.sax.SAXParseException;
  60 
  61 
  62 /**
  63  * Command Line Interface of XJC.
  64  */
  65 public class Driver {
  66 
  67     public static void main(final String[] args) throws Exception {
  68         // use the platform default proxy if available.
  69         // see sun.net.spi.DefaultProxySelector for details.
  70         try {
  71             System.setProperty("java.net.useSystemProxies","true");
  72         } catch (SecurityException e) {
  73             // failing to set this property isn't fatal
  74         }
  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     private static void _main( String[] args ) throws Exception {
 107         try {
 108             System.exit(run( args, System.out, System.out ));
 109         } catch (BadCommandLineException e) {
 110             // there was an error in the command line.
 111             // print usage and abort.
 112             if(e.getMessage()!=null) {
 113                 System.out.println(e.getMessage());
 114                 System.out.println();
 115             }
 116 
 117             usage(e.getOptions(),false);
 118             System.exit(-1);
 119         }
 120     }
 121 
 122 
 123 
 124     /**
 125      * Performs schema compilation and prints the status/error into the
 126      * specified PrintStream.
 127      *
 128      * <p>
 129      * This method could be used to trigger XJC from other tools,
 130      * such as Ant or IDE.
 131      *
 132      * @param    args
 133      *      specified command line parameters. If there is an error
 134      *      in the parameters, {@link BadCommandLineException} will
 135      *      be thrown.
 136      * @param    status
 137      *      Status report of the compilation will be sent to this object.
 138      *      Useful to update users so that they will know something is happening.
 139      *      Only ignorable messages should be sent to this stream.
 140      *
 141      *      This parameter can be null to suppress messages.
 142      *
 143      * @param    out
 144      *      Various non-ignorable output (error messages, etc)
 145      *      will go to this stream.
 146      *
 147      * @return
 148      *      If the compiler runs successfully, this method returns 0.
 149      *      All non-zero values indicate an error. The error message
 150      *      will be sent to the specified PrintStream.
 151      */
 152     public static int run(String[] args, final PrintStream status, final PrintStream out)
 153         throws Exception {
 154 
 155         class Listener extends XJCListener {
 156             ConsoleErrorReporter cer = new ConsoleErrorReporter(out==null?new PrintStream(new NullStream()):out);
 157 
 158             @Override
 159             public void generatedFile(String fileName, int count, int total) {
 160                 message(fileName);
 161             }
 162             @Override
 163             public void message(String msg) {
 164                 if(status!=null)
 165                     status.println(msg);
 166             }
 167 
 168             public void error(SAXParseException exception) {
 169                 cer.error(exception);
 170             }
 171 
 172             public void fatalError(SAXParseException exception) {
 173                 cer.fatalError(exception);
 174             }
 175 
 176             public void warning(SAXParseException exception) {
 177                 cer.warning(exception);
 178             }
 179 
 180             public void info(SAXParseException exception) {
 181                 cer.info(exception);
 182             }
 183         }
 184 
 185         return run(args,new Listener());
 186     }
 187 
 188     /**
 189      * Performs schema compilation and prints the status/error into the
 190      * specified PrintStream.
 191      *
 192      * <p>
 193      * This method could be used to trigger XJC from other tools,
 194      * such as Ant or IDE.
 195      *
 196      * @param    args
 197      *        specified command line parameters. If there is an error
 198      *        in the parameters, {@link BadCommandLineException} will
 199      *        be thrown.
 200      * @param    listener
 201      *      Receives messages from XJC reporting progress/errors.
 202      *
 203      * @return
 204      *      If the compiler runs successfully, this method returns 0.
 205      *      All non-zero values indicate an error. The error message
 206      *      will be sent to the specified PrintStream.
 207      */
 208     public static int run(String[] args, @NotNull final XJCListener listener) throws BadCommandLineException {
 209 
 210         // recognize those special options before we start parsing options.
 211         for (String arg : args) {
 212             if (arg.equals("-version")) {
 213                 listener.message(Messages.format(Messages.VERSION));
 214                 return -1;
 215             }
 216             if (arg.equals("-fullversion")) {
 217                 listener.message(Messages.format(Messages.FULLVERSION));
 218                 return -1;
 219             }
 220         }
 221 
 222         final OptionsEx opt = new OptionsEx();
 223         opt.setSchemaLanguage(Language.XMLSCHEMA);  // disable auto-guessing
 224         try {
 225             opt.parseArguments(args);
 226         } catch (WeAreDone e) {
 227             if (opt.proxyAuth != null) {
 228                 DefaultAuthenticator.reset();
 229             }
 230             return -1;
 231         } catch(BadCommandLineException e) {
 232             if (opt.proxyAuth != null) {
 233                 DefaultAuthenticator.reset();
 234             }
 235             e.initOptions(opt);
 236             throw e;
 237         }
 238 
 239         // display a warning if the user specified the default package
 240         // this should work, but is generally a bad idea
 241         if(opt.defaultPackage != null && opt.defaultPackage.length()==0) {
 242             listener.message(Messages.format(Messages.WARNING_MSG, Messages.format(Messages.DEFAULT_PACKAGE_WARNING)));
 243         }
 244 
 245 
 246         // set up the context class loader so that the user-specified classes
 247         // can be loaded from there
 248         final ClassLoader contextClassLoader = SecureLoader.getContextClassLoader();
 249         SecureLoader.setContextClassLoader(opt.getUserClassLoader(contextClassLoader));
 250 
 251         // parse a grammar file
 252         //-----------------------------------------
 253         try {
 254             if( !opt.quiet ) {
 255                 listener.message(Messages.format(Messages.PARSING_SCHEMA));
 256             }
 257 
 258             final boolean[] hadWarning = new boolean[1];
 259 
 260             ErrorReceiver receiver = new ErrorReceiverFilter(listener) {
 261                 @Override
 262                 public void info(SAXParseException exception) {
 263                     if(opt.verbose)
 264                         super.info(exception);
 265                 }
 266                 @Override
 267                 public void warning(SAXParseException exception) {
 268                     hadWarning[0] = true;
 269                     if(!opt.quiet)
 270                         super.warning(exception);
 271                 }
 272                 @Override
 273                 public void pollAbort() throws AbortException {
 274                     if(listener.isCanceled())
 275                         throw new AbortException();
 276                 }
 277             };
 278 
 279             if( opt.mode==Mode.FOREST ) {
 280                 // dump DOM forest and quit
 281                 ModelLoader loader  = new ModelLoader( opt, new JCodeModel(), receiver );
 282                 try {
 283                     DOMForest forest = loader.buildDOMForest(new XMLSchemaInternalizationLogic());
 284                     forest.dump(System.out);
 285                     return 0;
 286                 } catch (SAXException e) {
 287                     // the error should have already been reported
 288                 } catch (IOException e) {
 289                     receiver.error(e);
 290                 }
 291 
 292                 return -1;
 293             }
 294 
 295             if( opt.mode==Mode.GBIND ) {
 296                 try {
 297                     XSSchemaSet xss = new ModelLoader(opt, new JCodeModel(), receiver).loadXMLSchema();
 298                     Iterator<XSComplexType> it = xss.iterateComplexTypes();
 299                     while (it.hasNext()) {
 300                         XSComplexType ct =  it.next();
 301                         XSParticle p = ct.getContentType().asParticle();
 302                         if(p==null)     continue;
 303 
 304                         Expression tree = ExpressionBuilder.createTree(p);
 305                         System.out.println("Graph for "+ct.getName());
 306                         System.out.println(tree.toString());
 307                         Graph g = new Graph(tree);
 308                         System.out.println(g.toString());
 309                         System.out.println();
 310                     }
 311                     return 0;
 312                 } catch (SAXException e) {
 313                     // the error should have already been reported
 314                 }
 315                 return -1;
 316             }
 317 
 318             Model model = ModelLoader.load( opt, new JCodeModel(), receiver );
 319 
 320             if (model == null) {
 321                 listener.message(Messages.format(Messages.PARSE_FAILED));
 322                 return -1;
 323             }
 324 
 325             if( !opt.quiet ) {
 326                 listener.message(Messages.format(Messages.COMPILING_SCHEMA));
 327             }
 328 
 329             switch (opt.mode) {
 330             case SIGNATURE :
 331                 try {
 332                     SignatureWriter.write(
 333                         BeanGenerator.generate(model,receiver),
 334                         new OutputStreamWriter(System.out));
 335                     return 0;
 336                 } catch (IOException e) {
 337                     receiver.error(e);
 338                     return -1;
 339                 }
 340 
 341             case CODE :
 342             case DRYRUN :
 343             case ZIP :
 344                 {
 345                     // generate actual code
 346                     receiver.debug("generating code");
 347                     {// don't want to hold outline in memory for too long.
 348                         Outline outline = model.generateCode(opt,receiver);
 349                         if(outline==null) {
 350                             listener.message(
 351                                 Messages.format(Messages.FAILED_TO_GENERATE_CODE));
 352                             return -1;
 353                         }
 354 
 355                         listener.compiled(outline);
 356                     }
 357 
 358                     if( opt.mode == Mode.DRYRUN )
 359                         break;  // enough
 360 
 361                     // then print them out
 362                     try {
 363                         CodeWriter cw;
 364                         if( opt.mode==Mode.ZIP ) {
 365                             OutputStream os;
 366                             if(opt.targetDir.getPath().equals("."))
 367                                 os = System.out;
 368                             else
 369                                 os = new FileOutputStream(opt.targetDir);
 370 
 371                             cw = opt.createCodeWriter(new ZipCodeWriter(os));
 372                         } else
 373                             cw = opt.createCodeWriter();
 374 
 375                         if( !opt.quiet ) {
 376                             cw = new ProgressCodeWriter(cw,listener, model.codeModel.countArtifacts());
 377                         }
 378                         model.codeModel.build(cw);
 379                     } catch (IOException e) {
 380                         receiver.error(e);
 381                         return -1;
 382                     }
 383 
 384                     break;
 385                 }
 386             default :
 387                 assert false;
 388             }
 389 
 390             if(opt.debugMode) {
 391                 try {
 392                     new FileOutputStream(new File(opt.targetDir,hadWarning[0]?"hadWarning":"noWarning")).close();
 393                 } catch (IOException e) {
 394                     receiver.error(e);
 395                     return -1;
 396                 }
 397             }
 398 
 399             return 0;
 400         } catch( StackOverflowError e ) {
 401             if(opt.verbose)
 402                 // in the debug mode, propagate the error so that
 403                 // the full stack trace will be dumped to the screen.
 404                 throw e;
 405             else {
 406                 // otherwise just print a suggested workaround and
 407                 // quit without filling the user's screen
 408                 listener.message(Messages.format(Messages.STACK_OVERFLOW));
 409                 return -1;
 410             }
 411         } finally {
 412             if (opt.proxyAuth != null) {
 413                 DefaultAuthenticator.reset();
 414             }
 415         }
 416     }
 417 
 418     public static String getBuildID() {
 419         return Messages.format(Messages.BUILD_ID);
 420     }
 421 
 422 
 423     /**
 424      * Operation mode.
 425      */
 426     private static enum Mode {
 427         // normal mode. compile the code
 428         CODE,
 429 
 430         // dump the signature of the generated code
 431         SIGNATURE,
 432 
 433         // dump DOMForest
 434         FOREST,
 435 
 436         // same as CODE but don't produce any Java source code
 437         DRYRUN,
 438 
 439         // same as CODE but pack all the outputs into a zip and dumps to stdout
 440         ZIP,
 441 
 442         // testing a new binding mode
 443         GBIND
 444     }
 445 
 446 
 447     /**
 448      * Command-line arguments processor.
 449      *
 450      * <p>
 451      * This class contains options that only make sense
 452      * for the command line interface.
 453      */
 454     static class OptionsEx extends Options
 455     {
 456         /** Operation mode. */
 457         protected Mode mode = Mode.CODE;
 458 
 459         /** A switch that determines the behavior in the BGM mode. */
 460         public boolean noNS = false;
 461 
 462         /** Parse XJC-specific options. */
 463         @Override
 464         public int parseArgument(String[] args, int i) throws BadCommandLineException {
 465             if (args[i].equals("-noNS")) {
 466                 noNS = true;
 467                 return 1;
 468             }
 469             if (args[i].equals("-mode")) {
 470                 i++;
 471                 if (i == args.length)
 472                     throw new BadCommandLineException(
 473                         Messages.format(Messages.MISSING_MODE_OPERAND));
 474 
 475                 String mstr = args[i].toLowerCase();
 476 
 477                 for( Mode m : Mode.values() ) {
 478                     if(m.name().toLowerCase().startsWith(mstr) && mstr.length()>2) {
 479                         mode = m;
 480                         return 2;
 481                     }
 482                 }
 483 
 484                 throw new BadCommandLineException(
 485                     Messages.format(Messages.UNRECOGNIZED_MODE, args[i]));
 486             }
 487             if (args[i].equals("-help")) {
 488                 usage(this,false);
 489                 throw new WeAreDone();
 490             }
 491             if (args[i].equals("-private")) {
 492                 usage(this,true);
 493                 throw new WeAreDone();
 494             }
 495 
 496             return super.parseArgument(args, i);
 497         }
 498     }
 499 
 500     /**
 501      * Used to signal that we've finished processing.
 502      */
 503     private static final class WeAreDone extends BadCommandLineException {}
 504 
 505 
 506     /**
 507      * Prints the usage screen and exits the process.
 508      *
 509      * @param opts
 510      *      If the parsing of options have started, set a partly populated
 511      *      {@link Options} object.
 512      */
 513     public static void usage( @Nullable Options opts, boolean privateUsage ) {
 514         System.out.println(Messages.format(Messages.DRIVER_PUBLIC_USAGE));
 515         if (privateUsage) {
 516             System.out.println(Messages.format(Messages.DRIVER_PRIVATE_USAGE));
 517         }
 518 
 519         if( opts!=null && !opts.getAllPlugins().isEmpty()) {
 520             System.out.println(Messages.format(Messages.ADDON_USAGE));
 521             for (Plugin p : opts.getAllPlugins()) {
 522                 System.out.println(p.getUsage());
 523             }
 524         }
 525     }
 526 }