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.xml.internal.ws.api.streaming; 27 28 import com.sun.istack.internal.NotNull; 29 import com.sun.istack.internal.Nullable; 30 import com.sun.xml.internal.ws.streaming.XMLReaderException; 31 import com.sun.xml.internal.ws.util.xml.XmlUtil; 32 import org.xml.sax.InputSource; 33 34 import javax.xml.stream.XMLInputFactory; 35 import javax.xml.stream.XMLStreamException; 36 import javax.xml.stream.XMLStreamReader; 37 import java.io.IOException; 38 import java.io.InputStream; 39 import java.io.InputStreamReader; 40 import java.io.Reader; 41 import java.io.StringReader; 42 import java.io.UnsupportedEncodingException; 43 import java.lang.reflect.InvocationTargetException; 44 import java.lang.reflect.Method; 45 import java.net.URL; 46 import java.security.AccessController; 47 import java.util.logging.Level; 48 import java.util.logging.Logger; 49 50 import com.sun.xml.internal.ws.resources.StreamingMessages; 51 52 /** 53 * Factory for {@link XMLStreamReader}. 54 * 55 * <p> 56 * This wraps {@link XMLInputFactory} and allows us to reuse {@link XMLStreamReader} instances 57 * when appropriate. 58 * 59 * @author Kohsuke Kawaguchi 60 */ 61 @SuppressWarnings("StaticNonFinalUsedInInitialization") 62 public abstract class XMLStreamReaderFactory { 63 64 private static final Logger LOGGER = Logger.getLogger(XMLStreamReaderFactory.class.getName()); 65 66 private static final String CLASS_NAME_OF_WSTXINPUTFACTORY = "com.ctc.wstx.stax.WstxInputFactory"; 67 68 /** 69 * Singleton instance. 70 */ 71 private static volatile ContextClassloaderLocal<XMLStreamReaderFactory> streamReader = 72 new ContextClassloaderLocal<XMLStreamReaderFactory>() { 73 74 @Override 75 protected XMLStreamReaderFactory initialValue() { 76 77 XMLInputFactory xif = getXMLInputFactory(); 78 XMLStreamReaderFactory f=null; 79 80 // this system property can be used to disable the pooling altogether, 81 // in case someone hits an issue with pooling in the production system. 82 if(!getProperty(XMLStreamReaderFactory.class.getName()+".noPool")) { 83 f = Zephyr.newInstance(xif); 84 } 85 86 if(f==null) { 87 // is this Woodstox? 88 if (xif.getClass().getName().equals(CLASS_NAME_OF_WSTXINPUTFACTORY)) { 89 f = new Woodstox(xif); 90 } 91 } 92 93 if (f==null) { 94 f = new Default(); 95 } 96 97 if (LOGGER.isLoggable(Level.FINE)) { 98 LOGGER.log(Level.FINE, "XMLStreamReaderFactory instance is = {0}", f); 99 } 100 return f; 101 } 102 }; 103 104 private static XMLInputFactory getXMLInputFactory() { 105 XMLInputFactory xif = null; 106 if (getProperty(XMLStreamReaderFactory.class.getName()+".woodstox")) { 107 try { 108 xif = (XMLInputFactory)Class.forName("com.ctc.wstx.stax.WstxInputFactory").newInstance(); 109 } catch (Exception e) { 110 if (LOGGER.isLoggable(Level.WARNING)) { 111 LOGGER.log(Level.WARNING, StreamingMessages.WOODSTOX_CANT_LOAD(CLASS_NAME_OF_WSTXINPUTFACTORY), e); 112 } 113 } 114 } 115 if (xif == null) { 116 xif = XmlUtil.newXMLInputFactory(true); 117 } 118 xif.setProperty(XMLInputFactory.IS_NAMESPACE_AWARE, true); 119 xif.setProperty(XMLInputFactory.SUPPORT_DTD, false); 120 xif.setProperty(XMLInputFactory.IS_COALESCING, true); 121 122 return xif; 123 } 124 125 /** 126 * Overrides the singleton {@link XMLStreamReaderFactory} instance that 127 * the JAX-WS RI uses. 128 */ 129 public static void set(XMLStreamReaderFactory f) { 130 if(f==null) { 131 throw new IllegalArgumentException(); 132 } 133 streamReader.set(f); 134 } 135 136 public static XMLStreamReaderFactory get() { 137 return streamReader.get(); 138 } 139 140 public static XMLStreamReader create(InputSource source, boolean rejectDTDs) { 141 try { 142 // Char stream available? 143 if (source.getCharacterStream() != null) { 144 return get().doCreate(source.getSystemId(), source.getCharacterStream(), rejectDTDs); 145 } 146 147 // Byte stream available? 148 if (source.getByteStream() != null) { 149 return get().doCreate(source.getSystemId(), source.getByteStream(), rejectDTDs); 150 } 151 152 // Otherwise, open URI 153 return get().doCreate(source.getSystemId(), new URL(source.getSystemId()).openStream(),rejectDTDs); 154 } catch (IOException e) { 155 throw new XMLReaderException("stax.cantCreate",e); 156 } 157 } 158 159 public static XMLStreamReader create(@Nullable String systemId, InputStream in, boolean rejectDTDs) { 160 return get().doCreate(systemId,in,rejectDTDs); 161 } 162 163 public static XMLStreamReader create(@Nullable String systemId, InputStream in, @Nullable String encoding, boolean rejectDTDs) { 164 return (encoding == null) 165 ? create(systemId, in, rejectDTDs) 166 : get().doCreate(systemId,in,encoding,rejectDTDs); 167 } 168 169 public static XMLStreamReader create(@Nullable String systemId, Reader reader, boolean rejectDTDs) { 170 return get().doCreate(systemId,reader,rejectDTDs); 171 } 172 173 /** 174 * Should be invoked when the code finished using an {@link XMLStreamReader}. 175 * 176 * <p> 177 * If the recycled instance implements {@link RecycleAware}, 178 * {@link RecycleAware#onRecycled()} will be invoked to let the instance 179 * know that it's being recycled. 180 * 181 * <p> 182 * It is not a hard requirement to call this method on every {@link XMLStreamReader} 183 * instance. Not doing so just reduces the performance by throwing away 184 * possibly reusable instances. So the caller should always consider the effort 185 * it takes to recycle vs the possible performance gain by doing so. 186 * 187 * <p> 188 * This method may be invoked by multiple threads concurrently. 189 * 190 * @param r 191 * The {@link XMLStreamReader} instance that the caller finished using. 192 * This could be any {@link XMLStreamReader} implementation, not just 193 * the ones that were created from this factory. So the implementation 194 * of this class needs to be aware of that. 195 */ 196 public static void recycle(XMLStreamReader r) { 197 get().doRecycle(r); 198 if (r instanceof RecycleAware) { 199 ((RecycleAware)r).onRecycled(); 200 } 201 } 202 203 // implementations 204 205 public abstract XMLStreamReader doCreate(String systemId, InputStream in, boolean rejectDTDs); 206 207 private XMLStreamReader doCreate(String systemId, InputStream in, @NotNull String encoding, boolean rejectDTDs) { 208 Reader reader; 209 try { 210 reader = new InputStreamReader(in, encoding); 211 } catch(UnsupportedEncodingException ue) { 212 throw new XMLReaderException("stax.cantCreate", ue); 213 } 214 return doCreate(systemId, reader, rejectDTDs); 215 } 216 217 public abstract XMLStreamReader doCreate(String systemId, Reader reader, boolean rejectDTDs); 218 219 public abstract void doRecycle(XMLStreamReader r); 220 221 /** 222 * Interface that can be implemented by {@link XMLStreamReader} to 223 * be notified when it's recycled. 224 * 225 * <p> 226 * This provides a filtering {@link XMLStreamReader} an opportunity to 227 * recycle its inner {@link XMLStreamReader}. 228 */ 229 public interface RecycleAware { 230 void onRecycled(); 231 } 232 233 /** 234 * {@link XMLStreamReaderFactory} implementation for SJSXP/JAXP RI. 235 */ 236 private static final class Zephyr extends XMLStreamReaderFactory { 237 private final XMLInputFactory xif; 238 239 private final ThreadLocal<XMLStreamReader> pool = new ThreadLocal<XMLStreamReader>(); 240 241 /** 242 * Sun StAX impl <code>XMLReaderImpl.setInputSource()</code> method via reflection. 243 */ 244 private final Method setInputSourceMethod; 245 246 /** 247 * Sun StAX impl <code>XMLReaderImpl.reset()</code> method via reflection. 248 */ 249 private final Method resetMethod; 250 251 /** 252 * The Sun StAX impl's {@link XMLStreamReader} implementation clas. 253 */ 254 private final Class zephyrClass; 255 256 /** 257 * Creates {@link Zephyr} instance if the given {@link XMLInputFactory} is the one 258 * from Zephyr. 259 */ 260 public static @Nullable 261 XMLStreamReaderFactory newInstance(XMLInputFactory xif) { 262 // check if this is from Zephyr 263 try { 264 Class<?> clazz = xif.createXMLStreamReader(new StringReader("<foo/>")).getClass(); 265 // JDK has different XMLStreamReader impl class. Even if we check for that, 266 // it doesn't have setInputSource(InputSource). Let it use Default 267 if(!(clazz.getName().startsWith("com.sun.xml.internal.stream.")) ) 268 return null; // nope 269 return new Zephyr(xif,clazz); 270 } catch (NoSuchMethodException e) { 271 return null; // this factory is not for zephyr 272 } catch (XMLStreamException e) { 273 return null; // impossible to fail to parse <foo/>, but anyway 274 } 275 } 276 277 public Zephyr(XMLInputFactory xif, Class clazz) throws NoSuchMethodException { 278 zephyrClass = clazz; 279 setInputSourceMethod = clazz.getMethod("setInputSource", InputSource.class); 280 resetMethod = clazz.getMethod("reset"); 281 282 try { 283 // Turn OFF internal factory caching in Zephyr. 284 // Santiago told me that this makes it thread-safe. 285 xif.setProperty("reuse-instance", false); 286 } catch (IllegalArgumentException e) { 287 // falls through 288 } 289 this.xif = xif; 290 } 291 292 /** 293 * Fetchs an instance from the pool if available, otherwise null. 294 */ 295 private @Nullable XMLStreamReader fetch() { 296 XMLStreamReader sr = pool.get(); 297 if(sr==null) return null; 298 pool.set(null); 299 return sr; 300 } 301 302 @Override 303 public void doRecycle(XMLStreamReader r) { 304 if(zephyrClass.isInstance(r)) 305 pool.set(r); 306 } 307 308 @Override 309 public XMLStreamReader doCreate(String systemId, InputStream in, boolean rejectDTDs) { 310 try { 311 XMLStreamReader xsr = fetch(); 312 if(xsr==null) 313 return xif.createXMLStreamReader(systemId,in); 314 315 // try re-using this instance. 316 InputSource is = new InputSource(systemId); 317 is.setByteStream(in); 318 reuse(xsr,is); 319 return xsr; 320 } catch (IllegalAccessException e) { 321 throw new XMLReaderException("stax.cantCreate",e); 322 } catch (InvocationTargetException e) { 323 throw new XMLReaderException("stax.cantCreate",e); 324 } catch (XMLStreamException e) { 325 throw new XMLReaderException("stax.cantCreate",e); 326 } 327 } 328 329 @Override 330 public XMLStreamReader doCreate(String systemId, Reader in, boolean rejectDTDs) { 331 try { 332 XMLStreamReader xsr = fetch(); 333 if(xsr==null) 334 return xif.createXMLStreamReader(systemId,in); 335 336 // try re-using this instance. 337 InputSource is = new InputSource(systemId); 338 is.setCharacterStream(in); 339 reuse(xsr,is); 340 return xsr; 341 } catch (IllegalAccessException e) { 342 throw new XMLReaderException("stax.cantCreate",e); 343 } catch (InvocationTargetException e) { 344 Throwable cause = e.getCause(); 345 if (cause == null) { 346 cause = e; 347 } 348 throw new XMLReaderException("stax.cantCreate", cause); 349 } catch (XMLStreamException e) { 350 throw new XMLReaderException("stax.cantCreate",e); 351 } 352 } 353 354 private void reuse(XMLStreamReader xsr, InputSource in) throws IllegalAccessException, InvocationTargetException { 355 resetMethod.invoke(xsr); 356 setInputSourceMethod.invoke(xsr,in); 357 } 358 } 359 360 /** 361 * Default {@link XMLStreamReaderFactory} implementation 362 * that can work with any {@link XMLInputFactory}. 363 * 364 * <p> 365 * {@link XMLInputFactory} is not required to be thread-safe, but 366 * if the create method on this implementation is synchronized, 367 * it may run into (see <a href="https://jax-ws.dev.java.net/issues/show_bug.cgi?id=555"> 368 * race condition</a>). Hence, using a XMLInputFactory per thread. 369 */ 370 public static final class Default extends XMLStreamReaderFactory { 371 372 private final ThreadLocal<XMLInputFactory> xif = new ThreadLocal<XMLInputFactory>() { 373 @Override 374 public XMLInputFactory initialValue() { 375 return getXMLInputFactory(); 376 } 377 }; 378 379 @Override 380 public XMLStreamReader doCreate(String systemId, InputStream in, boolean rejectDTDs) { 381 try { 382 return xif.get().createXMLStreamReader(systemId,in); 383 } catch (XMLStreamException e) { 384 throw new XMLReaderException("stax.cantCreate",e); 385 } 386 } 387 388 @Override 389 public XMLStreamReader doCreate(String systemId, Reader in, boolean rejectDTDs) { 390 try { 391 return xif.get().createXMLStreamReader(systemId,in); 392 } catch (XMLStreamException e) { 393 throw new XMLReaderException("stax.cantCreate",e); 394 } 395 } 396 397 @Override 398 public void doRecycle(XMLStreamReader r) { 399 // there's no way to recycle with the default StAX API. 400 } 401 402 } 403 404 /** 405 * Similar to {@link Default} but doesn't do any synchronization. 406 * 407 * <p> 408 * This is useful when you know your {@link XMLInputFactory} is thread-safe by itself. 409 */ 410 public static class NoLock extends XMLStreamReaderFactory { 411 private final XMLInputFactory xif; 412 413 public NoLock(XMLInputFactory xif) { 414 this.xif = xif; 415 } 416 417 @Override 418 public XMLStreamReader doCreate(String systemId, InputStream in, boolean rejectDTDs) { 419 try { 420 return xif.createXMLStreamReader(systemId,in); 421 } catch (XMLStreamException e) { 422 throw new XMLReaderException("stax.cantCreate",e); 423 } 424 } 425 426 @Override 427 public XMLStreamReader doCreate(String systemId, Reader in, boolean rejectDTDs) { 428 try { 429 return xif.createXMLStreamReader(systemId,in); 430 } catch (XMLStreamException e) { 431 throw new XMLReaderException("stax.cantCreate",e); 432 } 433 } 434 435 @Override 436 public void doRecycle(XMLStreamReader r) { 437 // there's no way to recycle with the default StAX API. 438 } 439 } 440 441 /** 442 * Handles Woodstox's XIF, but sets properties to do the string interning, sets various limits, ... 443 * Woodstox {@link XMLInputFactory} is thread safe. 444 */ 445 public static final class Woodstox extends NoLock { 446 447 public final static String PROPERTY_MAX_ATTRIBUTES_PER_ELEMENT = "xml.ws.maximum.AttributesPerElement"; 448 public final static String PROPERTY_MAX_ATTRIBUTE_SIZE = "xml.ws.maximum.AttributeSize"; 449 public final static String PROPERTY_MAX_CHILDREN_PER_ELEMENT = "xml.ws.maximum.ChildrenPerElement"; 450 public final static String PROPERTY_MAX_ELEMENT_COUNT = "xml.ws.maximum.ElementCount"; 451 public final static String PROPERTY_MAX_ELEMENT_DEPTH = "xml.ws.maximum.ElementDepth"; 452 public final static String PROPERTY_MAX_CHARACTERS = "xml.ws.maximum.Characters"; 453 454 private static final int DEFAULT_MAX_ATTRIBUTES_PER_ELEMENT = 500; 455 private static final int DEFAULT_MAX_ATTRIBUTE_SIZE = 65536 * 8; 456 private static final int DEFAULT_MAX_CHILDREN_PER_ELEMENT = Integer.MAX_VALUE; 457 private static final int DEFAULT_MAX_ELEMENT_DEPTH = 500; 458 private static final long DEFAULT_MAX_ELEMENT_COUNT = Integer.MAX_VALUE; 459 private static final long DEFAULT_MAX_CHARACTERS = Long.MAX_VALUE; 460 461 /* Woodstox default setting: 462 int mMaxAttributesPerElement = 1000; 463 int mMaxAttributeSize = 65536 * 8; 464 int mMaxChildrenPerElement = Integer.MAX_VALUE; 465 int mMaxElementDepth = 1000; 466 long mMaxElementCount = Long.MAX_VALUE; 467 long mMaxCharacters = Long.MAX_VALUE; 468 */ 469 470 private int maxAttributesPerElement = DEFAULT_MAX_ATTRIBUTES_PER_ELEMENT; 471 private int maxAttributeSize = DEFAULT_MAX_ATTRIBUTE_SIZE; 472 private int maxChildrenPerElement = DEFAULT_MAX_CHILDREN_PER_ELEMENT; 473 private int maxElementDepth = DEFAULT_MAX_ELEMENT_DEPTH; 474 private long maxElementCount = DEFAULT_MAX_ELEMENT_COUNT; 475 private long maxCharacters = DEFAULT_MAX_CHARACTERS; 476 477 // Note: this is a copy from com.ctc.wstx.api.WstxInputProperties, to be removed in the future 478 private static final java.lang.String P_MAX_ATTRIBUTES_PER_ELEMENT = "com.ctc.wstx.maxAttributesPerElement"; 479 private static final java.lang.String P_MAX_ATTRIBUTE_SIZE = "com.ctc.wstx.maxAttributeSize"; 480 private static final java.lang.String P_MAX_CHILDREN_PER_ELEMENT = "com.ctc.wstx.maxChildrenPerElement"; 481 private static final java.lang.String P_MAX_ELEMENT_COUNT = "com.ctc.wstx.maxElementCount"; 482 private static final java.lang.String P_MAX_ELEMENT_DEPTH = "com.ctc.wstx.maxElementDepth"; 483 private static final java.lang.String P_MAX_CHARACTERS = "com.ctc.wstx.maxCharacters"; 484 private static final java.lang.String P_INTERN_NSURIS = "org.codehaus.stax2.internNsUris"; 485 private static final java.lang.String P_RETURN_NULL_FOR_DEFAULT_NAMESPACE = "com.ctc.wstx.returnNullForDefaultNamespace"; 486 487 public Woodstox(XMLInputFactory xif) { 488 super(xif); 489 490 if (xif.isPropertySupported(P_INTERN_NSURIS)) { 491 xif.setProperty(P_INTERN_NSURIS, true); 492 if (LOGGER.isLoggable(Level.FINE)) { 493 LOGGER.log(Level.FINE, P_INTERN_NSURIS + " is {0}", true); 494 } 495 } 496 497 if (xif.isPropertySupported(P_MAX_ATTRIBUTES_PER_ELEMENT)) { 498 maxAttributesPerElement = Integer.valueOf(buildIntegerValue( 499 PROPERTY_MAX_ATTRIBUTES_PER_ELEMENT, DEFAULT_MAX_ATTRIBUTES_PER_ELEMENT) 500 ); 501 xif.setProperty(P_MAX_ATTRIBUTES_PER_ELEMENT, maxAttributesPerElement); 502 if (LOGGER.isLoggable(Level.FINE)) { 503 LOGGER.log(Level.FINE, P_MAX_ATTRIBUTES_PER_ELEMENT + " is {0}", maxAttributesPerElement); 504 } 505 } 506 507 if (xif.isPropertySupported(P_MAX_ATTRIBUTE_SIZE)) { 508 maxAttributeSize = Integer.valueOf(buildIntegerValue( 509 PROPERTY_MAX_ATTRIBUTE_SIZE, DEFAULT_MAX_ATTRIBUTE_SIZE) 510 ); 511 xif.setProperty(P_MAX_ATTRIBUTE_SIZE, maxAttributeSize); 512 if (LOGGER.isLoggable(Level.FINE)) { 513 LOGGER.log(Level.FINE, P_MAX_ATTRIBUTE_SIZE + " is {0}", maxAttributeSize); 514 } 515 } 516 517 if (xif.isPropertySupported(P_MAX_CHILDREN_PER_ELEMENT)) { 518 maxChildrenPerElement = Integer.valueOf(buildIntegerValue( 519 PROPERTY_MAX_CHILDREN_PER_ELEMENT, DEFAULT_MAX_CHILDREN_PER_ELEMENT) 520 ); 521 xif.setProperty(P_MAX_CHILDREN_PER_ELEMENT, maxChildrenPerElement); 522 if (LOGGER.isLoggable(Level.FINE)) { 523 LOGGER.log(Level.FINE, P_MAX_CHILDREN_PER_ELEMENT + " is {0}", maxChildrenPerElement); 524 } 525 } 526 527 if (xif.isPropertySupported(P_MAX_ELEMENT_DEPTH)) { 528 maxElementDepth = Integer.valueOf(buildIntegerValue( 529 PROPERTY_MAX_ELEMENT_DEPTH, DEFAULT_MAX_ELEMENT_DEPTH) 530 ); 531 xif.setProperty(P_MAX_ELEMENT_DEPTH, maxElementDepth); 532 if (LOGGER.isLoggable(Level.FINE)) { 533 LOGGER.log(Level.FINE, P_MAX_ELEMENT_DEPTH + " is {0}", maxElementDepth); 534 } 535 } 536 537 if (xif.isPropertySupported(P_MAX_ELEMENT_COUNT)) { 538 maxElementCount = Long.valueOf(buildLongValue( 539 PROPERTY_MAX_ELEMENT_COUNT, DEFAULT_MAX_ELEMENT_COUNT) 540 ); 541 xif.setProperty(P_MAX_ELEMENT_COUNT, maxElementCount); 542 if (LOGGER.isLoggable(Level.FINE)) { 543 LOGGER.log(Level.FINE, P_MAX_ELEMENT_COUNT + " is {0}", maxElementCount); 544 } 545 } 546 547 if (xif.isPropertySupported(P_MAX_CHARACTERS)) { 548 maxCharacters = Long.valueOf(buildLongValue( 549 PROPERTY_MAX_CHARACTERS, DEFAULT_MAX_CHARACTERS) 550 ); 551 xif.setProperty(P_MAX_CHARACTERS, maxCharacters); 552 if (LOGGER.isLoggable(Level.FINE)) { 553 LOGGER.log(Level.FINE, P_MAX_CHARACTERS + " is {0}", maxCharacters); 554 } 555 } 556 //Using try/catch instead of isPropertySupported because Woodstox 557 //isPropertySupported is not always reliable 558 try { 559 //this is needed to make sure Woodstox behavior is spec compliant for 560 //calls to XMLStreamReader.getNamespacePrefix 561 xif.setProperty(P_RETURN_NULL_FOR_DEFAULT_NAMESPACE, Boolean.TRUE); 562 if (LOGGER.isLoggable(Level.FINE)) { 563 LOGGER.log(Level.FINE, P_RETURN_NULL_FOR_DEFAULT_NAMESPACE + " is {0}", xif.getProperty(P_RETURN_NULL_FOR_DEFAULT_NAMESPACE)); 564 } 565 } catch (Throwable t) { 566 //ignore - this should not happen Woodstox 4.1.2 or later (maybe older version of Woodstox). 567 LOGGER.log(Level.WARNING, "Expected property not found in Woodstox input factory: '{0}'", P_RETURN_NULL_FOR_DEFAULT_NAMESPACE); 568 } 569 } 570 571 @Override 572 public XMLStreamReader doCreate(String systemId, InputStream in, boolean rejectDTDs) { 573 return super.doCreate(systemId, in, rejectDTDs); 574 } 575 576 @Override 577 public XMLStreamReader doCreate(String systemId, Reader in, boolean rejectDTDs) { 578 return super.doCreate(systemId, in, rejectDTDs); 579 } 580 } 581 582 private static int buildIntegerValue(String propertyName, int defaultValue) { 583 String propVal = System.getProperty(propertyName); 584 if (propVal != null && propVal.length() > 0) { 585 try { 586 Integer value = Integer.parseInt(propVal); 587 if (value > 0) { 588 // return with the value in System property 589 return value; 590 } 591 } catch (NumberFormatException nfe) { 592 if (LOGGER.isLoggable(Level.WARNING)) { 593 LOGGER.log(Level.WARNING, StreamingMessages.INVALID_PROPERTY_VALUE_INTEGER(propertyName, propVal, Integer.toString(defaultValue)), nfe); 594 } 595 } 596 } 597 // return with the default value 598 return defaultValue; 599 } 600 601 private static long buildLongValue(String propertyName, long defaultValue) { 602 String propVal = System.getProperty(propertyName); 603 if (propVal != null && propVal.length() > 0) { 604 try { 605 long value = Long.parseLong(propVal); 606 if (value > 0L) { 607 // return with the value in System property 608 return value; 609 } 610 } catch (NumberFormatException nfe) { 611 // defult will be returned 612 if (LOGGER.isLoggable(Level.WARNING)) { 613 LOGGER.log(Level.WARNING, StreamingMessages.INVALID_PROPERTY_VALUE_LONG(propertyName, propVal, Long.toString(defaultValue)), nfe); 614 } 615 } 616 } 617 // return with the default value 618 return defaultValue; 619 } 620 621 private static Boolean getProperty(final String prop) { 622 return AccessController.doPrivileged( 623 new java.security.PrivilegedAction<Boolean>() { 624 @Override 625 public Boolean run() { 626 String value = System.getProperty(prop); 627 return value != null ? Boolean.valueOf(value) : Boolean.FALSE; 628 } 629 } 630 ); 631 } 632 633 }