J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1999-2002 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | package com.sun.jndi.toolkit.dir; |
| 26 | |
| 27 | import javax.naming.*; |
| 28 | import javax.naming.directory.*; |
| 29 | import javax.naming.spi.*; |
| 30 | import java.util.*; |
| 31 | |
| 32 | /** |
| 33 | * A sample service provider that implements a hierarchical directory in memory. |
| 34 | * Every operation begins by doing a lookup on the name passed to it and then |
| 35 | * calls a corresponding "do<OperationName>" on the result of the lookup. The |
| 36 | * "do<OperationName>" does the work without any further resolution (it assumes |
| 37 | * that it is the target context). |
| 38 | */ |
| 39 | |
| 40 | public class HierMemDirCtx implements DirContext { |
| 41 | |
| 42 | static private final boolean debug = false; |
| 43 | private static final NameParser defaultParser = new HierarchicalNameParser(); |
| 44 | |
| 45 | protected Hashtable myEnv; |
| 46 | protected Hashtable bindings; |
| 47 | protected Attributes attrs; |
| 48 | protected boolean ignoreCase = false; |
| 49 | protected NamingException readOnlyEx = null; |
| 50 | protected NameParser myParser = defaultParser; |
| 51 | |
| 52 | private boolean alwaysUseFactory; |
| 53 | |
| 54 | public void close() throws NamingException { |
| 55 | myEnv = null; |
| 56 | bindings = null; |
| 57 | attrs = null; |
| 58 | } |
| 59 | |
| 60 | public String getNameInNamespace() throws NamingException { |
| 61 | throw new OperationNotSupportedException( |
| 62 | "Cannot determine full name"); |
| 63 | } |
| 64 | |
| 65 | public HierMemDirCtx() { |
| 66 | this(null, false, false); |
| 67 | } |
| 68 | |
| 69 | public HierMemDirCtx(boolean ignoreCase) { |
| 70 | this(null, ignoreCase, false); |
| 71 | } |
| 72 | |
| 73 | public HierMemDirCtx(Hashtable environment, boolean ignoreCase) { |
| 74 | this(environment, ignoreCase, false); |
| 75 | } |
| 76 | |
| 77 | protected HierMemDirCtx(Hashtable environment, boolean ignoreCase, |
| 78 | boolean useFac) { |
| 79 | myEnv = environment; |
| 80 | this.ignoreCase = ignoreCase; |
| 81 | init(); |
| 82 | this.alwaysUseFactory = useFac; |
| 83 | } |
| 84 | |
| 85 | private void init() { |
| 86 | attrs = new BasicAttributes(ignoreCase); |
| 87 | bindings = new Hashtable(11, 0.75f); |
| 88 | } |
| 89 | |
| 90 | public Object lookup(String name) throws NamingException { |
| 91 | return lookup(myParser.parse(name)); |
| 92 | } |
| 93 | |
| 94 | public Object lookup(Name name) throws NamingException { |
| 95 | return doLookup(name, alwaysUseFactory); |
| 96 | } |
| 97 | |
| 98 | public Object doLookup(Name name, boolean useFactory) |
| 99 | throws NamingException { |
| 100 | |
| 101 | Object target = null; |
| 102 | name = canonizeName(name); |
| 103 | |
| 104 | switch(name.size()) { |
| 105 | case 0: |
| 106 | // name is empty, caller wants this object |
| 107 | target = this; |
| 108 | break; |
| 109 | |
| 110 | case 1: |
| 111 | // name is atomic, caller wants one of this object's bindings |
| 112 | target = bindings.get(name); |
| 113 | break; |
| 114 | |
| 115 | default: |
| 116 | // name is compound, delegate to child context |
| 117 | HierMemDirCtx ctx = (HierMemDirCtx)bindings.get(name.getPrefix(1)); |
| 118 | if(ctx == null) { |
| 119 | target = null; |
| 120 | } else { |
| 121 | target = ctx.doLookup(name.getSuffix(1), false); |
| 122 | } |
| 123 | break; |
| 124 | } |
| 125 | |
| 126 | if(target == null) { |
| 127 | throw new NameNotFoundException(name.toString()); |
| 128 | } |
| 129 | |
| 130 | if (useFactory) { |
| 131 | try { |
| 132 | return DirectoryManager.getObjectInstance(target, |
| 133 | name, this, myEnv, |
| 134 | (target instanceof HierMemDirCtx) ? |
| 135 | ((HierMemDirCtx)target).attrs : null); |
| 136 | } catch (NamingException e) { |
| 137 | throw e; |
| 138 | } catch (Exception e) { |
| 139 | NamingException e2 = new NamingException( |
| 140 | "Problem calling getObjectInstance"); |
| 141 | e2.setRootCause(e); |
| 142 | throw e2; |
| 143 | } |
| 144 | } else { |
| 145 | return target; |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | public void bind(String name, Object obj) throws NamingException { |
| 150 | bind(myParser.parse(name), obj); |
| 151 | } |
| 152 | |
| 153 | public void bind(Name name, Object obj) throws NamingException { |
| 154 | doBind(name, obj, null, alwaysUseFactory); |
| 155 | } |
| 156 | |
| 157 | public void bind(String name, Object obj, Attributes attrs) |
| 158 | throws NamingException { |
| 159 | bind(myParser.parse(name), obj, attrs); |
| 160 | } |
| 161 | |
| 162 | public void bind(Name name, Object obj, Attributes attrs) |
| 163 | throws NamingException { |
| 164 | doBind(name, obj, attrs, alwaysUseFactory); |
| 165 | } |
| 166 | |
| 167 | protected void doBind(Name name, Object obj, Attributes attrs, |
| 168 | boolean useFactory) throws NamingException { |
| 169 | if (name.isEmpty()) { |
| 170 | throw new InvalidNameException("Cannot bind empty name"); |
| 171 | } |
| 172 | |
| 173 | if (useFactory) { |
| 174 | DirStateFactory.Result res = DirectoryManager.getStateToBind( |
| 175 | obj, name, this, myEnv, attrs); |
| 176 | obj = res.getObject(); |
| 177 | attrs = res.getAttributes(); |
| 178 | } |
| 179 | |
| 180 | HierMemDirCtx ctx= (HierMemDirCtx) doLookup(getInternalName(name), false); |
| 181 | ctx.doBindAux(getLeafName(name), obj); |
| 182 | |
| 183 | if (attrs != null && attrs.size() > 0) { |
| 184 | modifyAttributes(name, ADD_ATTRIBUTE, attrs); |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | protected void doBindAux(Name name, Object obj) throws NamingException { |
| 189 | if (readOnlyEx != null) { |
| 190 | throw (NamingException) readOnlyEx.fillInStackTrace(); |
| 191 | } |
| 192 | |
| 193 | if (bindings.get(name) != null) { |
| 194 | throw new NameAlreadyBoundException(name.toString()); |
| 195 | } |
| 196 | if(obj instanceof HierMemDirCtx) { |
| 197 | bindings.put(name, obj); |
| 198 | } else { |
| 199 | throw new SchemaViolationException( |
| 200 | "This context only supports binding objects of it's own kind"); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | public void rebind(String name, Object obj) throws NamingException { |
| 205 | rebind(myParser.parse(name), obj); |
| 206 | } |
| 207 | |
| 208 | public void rebind(Name name, Object obj) throws NamingException { |
| 209 | doRebind(name, obj, null, alwaysUseFactory); |
| 210 | } |
| 211 | |
| 212 | public void rebind(String name, Object obj, Attributes attrs) |
| 213 | throws NamingException { |
| 214 | rebind(myParser.parse(name), obj, attrs); |
| 215 | } |
| 216 | |
| 217 | public void rebind(Name name, Object obj, Attributes attrs) |
| 218 | throws NamingException { |
| 219 | doRebind(name, obj, attrs, alwaysUseFactory); |
| 220 | } |
| 221 | |
| 222 | protected void doRebind(Name name, Object obj, Attributes attrs, |
| 223 | boolean useFactory) throws NamingException { |
| 224 | if (name.isEmpty()) { |
| 225 | throw new InvalidNameException("Cannot rebind empty name"); |
| 226 | } |
| 227 | |
| 228 | if (useFactory) { |
| 229 | DirStateFactory.Result res = DirectoryManager.getStateToBind( |
| 230 | obj, name, this, myEnv, attrs); |
| 231 | obj = res.getObject(); |
| 232 | attrs = res.getAttributes(); |
| 233 | } |
| 234 | |
| 235 | HierMemDirCtx ctx= (HierMemDirCtx) doLookup(getInternalName(name), false); |
| 236 | ctx.doRebindAux(getLeafName(name), obj); |
| 237 | |
| 238 | // |
| 239 | // attrs == null -> use attrs from obj |
| 240 | // attrs != null -> use attrs |
| 241 | // |
| 242 | // %%% Strictly speaking, when attrs is non-null, we should |
| 243 | // take the explicit step of removing obj's attrs. |
| 244 | // We don't do that currently. |
| 245 | |
| 246 | if (attrs != null && attrs.size() > 0) { |
| 247 | modifyAttributes(name, ADD_ATTRIBUTE, attrs); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | protected void doRebindAux(Name name, Object obj) throws NamingException { |
| 252 | if (readOnlyEx != null) { |
| 253 | throw (NamingException) readOnlyEx.fillInStackTrace(); |
| 254 | } |
| 255 | if(obj instanceof HierMemDirCtx) { |
| 256 | bindings.put(name, obj); |
| 257 | |
| 258 | } else { |
| 259 | throw new SchemaViolationException( |
| 260 | "This context only supports binding objects of it's own kind"); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | public void unbind(String name) throws NamingException { |
| 265 | unbind(myParser.parse(name)); |
| 266 | } |
| 267 | |
| 268 | public void unbind(Name name) throws NamingException { |
| 269 | if (name.isEmpty()) { |
| 270 | throw new InvalidNameException("Cannot unbind empty name"); |
| 271 | } else { |
| 272 | HierMemDirCtx ctx= |
| 273 | (HierMemDirCtx) doLookup(getInternalName(name), false); |
| 274 | ctx.doUnbind(getLeafName(name)); |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | protected void doUnbind(Name name) throws NamingException { |
| 279 | if (readOnlyEx != null) { |
| 280 | throw (NamingException) readOnlyEx.fillInStackTrace(); |
| 281 | } |
| 282 | |
| 283 | bindings.remove(name); // attrs will also be removed along with ctx |
| 284 | } |
| 285 | |
| 286 | public void rename(String oldname, String newname) |
| 287 | throws NamingException { |
| 288 | rename(myParser.parse(oldname), myParser.parse(newname)); |
| 289 | } |
| 290 | |
| 291 | public void rename(Name oldname, Name newname) |
| 292 | throws NamingException { |
| 293 | |
| 294 | if(newname.isEmpty() || oldname.isEmpty()) { |
| 295 | throw new InvalidNameException("Cannot rename empty name"); |
| 296 | } |
| 297 | |
| 298 | if (!getInternalName(newname).equals(getInternalName(oldname))) { |
| 299 | throw new InvalidNameException("Cannot rename across contexts"); |
| 300 | } |
| 301 | |
| 302 | HierMemDirCtx ctx = |
| 303 | (HierMemDirCtx) doLookup(getInternalName(newname), false); |
| 304 | ctx.doRename(getLeafName(oldname), getLeafName(newname)); |
| 305 | } |
| 306 | |
| 307 | protected void doRename(Name oldname, Name newname) throws NamingException { |
| 308 | if (readOnlyEx != null) { |
| 309 | throw (NamingException) readOnlyEx.fillInStackTrace(); |
| 310 | } |
| 311 | |
| 312 | oldname = canonizeName(oldname); |
| 313 | newname = canonizeName(newname); |
| 314 | |
| 315 | // Check if new name exists |
| 316 | if (bindings.get(newname) != null) { |
| 317 | throw new NameAlreadyBoundException(newname.toString()); |
| 318 | } |
| 319 | |
| 320 | // Check if old name is bound |
| 321 | Object oldBinding = bindings.remove(oldname); |
| 322 | if (oldBinding == null) { |
| 323 | throw new NameNotFoundException(oldname.toString()); |
| 324 | } |
| 325 | |
| 326 | bindings.put(newname, oldBinding); |
| 327 | } |
| 328 | |
| 329 | public NamingEnumeration list(String name) throws NamingException { |
| 330 | return list(myParser.parse(name)); |
| 331 | } |
| 332 | |
| 333 | public NamingEnumeration list(Name name) throws NamingException { |
| 334 | HierMemDirCtx ctx = (HierMemDirCtx) doLookup(name, false); |
| 335 | return ctx.doList(); |
| 336 | } |
| 337 | |
| 338 | protected NamingEnumeration doList () throws NamingException { |
| 339 | return new FlatNames(bindings.keys()); |
| 340 | } |
| 341 | |
| 342 | |
| 343 | public NamingEnumeration listBindings(String name) throws NamingException { |
| 344 | return listBindings(myParser.parse(name)); |
| 345 | } |
| 346 | |
| 347 | public NamingEnumeration listBindings(Name name) throws NamingException { |
| 348 | HierMemDirCtx ctx = (HierMemDirCtx)doLookup(name, false); |
| 349 | return ctx.doListBindings(alwaysUseFactory); |
| 350 | } |
| 351 | |
| 352 | protected NamingEnumeration doListBindings(boolean useFactory) |
| 353 | throws NamingException { |
| 354 | return new FlatBindings(bindings, myEnv, useFactory); |
| 355 | } |
| 356 | |
| 357 | public void destroySubcontext(String name) throws NamingException { |
| 358 | destroySubcontext(myParser.parse(name)); |
| 359 | } |
| 360 | |
| 361 | public void destroySubcontext(Name name) throws NamingException { |
| 362 | HierMemDirCtx ctx = |
| 363 | (HierMemDirCtx) doLookup(getInternalName(name), false); |
| 364 | ctx.doDestroySubcontext(getLeafName(name)); |
| 365 | } |
| 366 | |
| 367 | protected void doDestroySubcontext(Name name) throws NamingException { |
| 368 | |
| 369 | if (readOnlyEx != null) { |
| 370 | throw (NamingException) readOnlyEx.fillInStackTrace(); |
| 371 | } |
| 372 | name = canonizeName(name); |
| 373 | bindings.remove(name); |
| 374 | } |
| 375 | |
| 376 | public Context createSubcontext(String name) throws NamingException { |
| 377 | return createSubcontext(myParser.parse(name)); |
| 378 | } |
| 379 | |
| 380 | public Context createSubcontext(Name name) throws NamingException { |
| 381 | return createSubcontext(name, null); |
| 382 | } |
| 383 | |
| 384 | public DirContext createSubcontext(String name, Attributes attrs) |
| 385 | throws NamingException { |
| 386 | return createSubcontext(myParser.parse(name), attrs); |
| 387 | } |
| 388 | |
| 389 | public DirContext createSubcontext(Name name, Attributes attrs) |
| 390 | throws NamingException { |
| 391 | HierMemDirCtx ctx = |
| 392 | (HierMemDirCtx) doLookup(getInternalName(name), false); |
| 393 | return ctx.doCreateSubcontext(getLeafName(name), attrs); |
| 394 | } |
| 395 | |
| 396 | protected DirContext doCreateSubcontext(Name name, Attributes attrs) |
| 397 | throws NamingException { |
| 398 | if (readOnlyEx != null) { |
| 399 | throw (NamingException) readOnlyEx.fillInStackTrace(); |
| 400 | } |
| 401 | |
| 402 | name = canonizeName(name); |
| 403 | |
| 404 | if (bindings.get(name) != null) { |
| 405 | throw new NameAlreadyBoundException(name.toString()); |
| 406 | } |
| 407 | HierMemDirCtx newCtx = createNewCtx(); |
| 408 | bindings.put(name, newCtx); |
| 409 | if(attrs != null) { |
| 410 | newCtx.modifyAttributes("", ADD_ATTRIBUTE, attrs); |
| 411 | } |
| 412 | return newCtx; |
| 413 | } |
| 414 | |
| 415 | |
| 416 | public Object lookupLink(String name) throws NamingException { |
| 417 | // This context does not treat links specially |
| 418 | return lookupLink(myParser.parse(name)); |
| 419 | } |
| 420 | |
| 421 | public Object lookupLink(Name name) throws NamingException { |
| 422 | // Flat namespace; no federation; just call string version |
| 423 | return lookup(name); |
| 424 | } |
| 425 | |
| 426 | public NameParser getNameParser(String name) throws NamingException { |
| 427 | return myParser; |
| 428 | } |
| 429 | |
| 430 | public NameParser getNameParser(Name name) throws NamingException { |
| 431 | return myParser; |
| 432 | } |
| 433 | |
| 434 | public String composeName(String name, String prefix) |
| 435 | throws NamingException { |
| 436 | Name result = composeName(new CompositeName(name), |
| 437 | new CompositeName(prefix)); |
| 438 | return result.toString(); |
| 439 | } |
| 440 | |
| 441 | public Name composeName(Name name, Name prefix) |
| 442 | throws NamingException { |
| 443 | name = canonizeName(name); |
| 444 | prefix = canonizeName(prefix); |
| 445 | Name result = (Name)(prefix.clone()); |
| 446 | result.addAll(name); |
| 447 | return result; |
| 448 | } |
| 449 | |
| 450 | public Object addToEnvironment(String propName, Object propVal) |
| 451 | throws NamingException { |
| 452 | myEnv = (myEnv == null) ? |
| 453 | new Hashtable(11, 0.75f) : (Hashtable)myEnv.clone(); |
| 454 | |
| 455 | return myEnv.put(propName, propVal); |
| 456 | } |
| 457 | |
| 458 | public Object removeFromEnvironment(String propName) |
| 459 | throws NamingException { |
| 460 | if (myEnv == null) |
| 461 | return null; |
| 462 | |
| 463 | myEnv = (Hashtable)myEnv.clone(); |
| 464 | return myEnv.remove(propName); |
| 465 | } |
| 466 | |
| 467 | public Hashtable getEnvironment() throws NamingException { |
| 468 | if (myEnv == null) { |
| 469 | return new Hashtable(5, 0.75f); |
| 470 | } else { |
| 471 | return (Hashtable)myEnv.clone(); |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | public Attributes getAttributes(String name) |
| 476 | throws NamingException { |
| 477 | return getAttributes(myParser.parse(name)); |
| 478 | } |
| 479 | |
| 480 | public Attributes getAttributes(Name name) |
| 481 | throws NamingException { |
| 482 | HierMemDirCtx ctx = (HierMemDirCtx) doLookup(name, false); |
| 483 | return ctx.doGetAttributes(); |
| 484 | } |
| 485 | |
| 486 | protected Attributes doGetAttributes() throws NamingException { |
| 487 | return (Attributes)attrs.clone(); |
| 488 | } |
| 489 | |
| 490 | public Attributes getAttributes(String name, String[] attrIds) |
| 491 | throws NamingException { |
| 492 | return getAttributes(myParser.parse(name), attrIds); |
| 493 | } |
| 494 | |
| 495 | public Attributes getAttributes(Name name, String[] attrIds) |
| 496 | throws NamingException { |
| 497 | HierMemDirCtx ctx = (HierMemDirCtx) doLookup(name, false); |
| 498 | return ctx.doGetAttributes(attrIds); |
| 499 | } |
| 500 | |
| 501 | protected Attributes doGetAttributes(String[] attrIds) |
| 502 | throws NamingException { |
| 503 | |
| 504 | if (attrIds == null) { |
| 505 | return doGetAttributes(); |
| 506 | } |
| 507 | Attributes attrs = new BasicAttributes(ignoreCase); |
| 508 | Attribute attr = null; |
| 509 | for(int i=0; i<attrIds.length; i++) { |
| 510 | attr = this.attrs.get(attrIds[i]); |
| 511 | if (attr != null) { |
| 512 | attrs.put(attr); |
| 513 | } |
| 514 | } |
| 515 | return attrs; |
| 516 | } |
| 517 | |
| 518 | public void modifyAttributes(String name, int mod_op, Attributes attrs) |
| 519 | throws NamingException { |
| 520 | modifyAttributes(myParser.parse(name), mod_op, attrs); |
| 521 | } |
| 522 | |
| 523 | public void modifyAttributes(Name name, int mod_op, Attributes attrs) |
| 524 | throws NamingException { |
| 525 | |
| 526 | if (attrs == null || attrs.size() == 0) { |
| 527 | throw new IllegalArgumentException( |
| 528 | "Cannot modify without an attribute"); |
| 529 | } |
| 530 | |
| 531 | // turn it into a modification Enumeration and pass it on |
| 532 | NamingEnumeration attrEnum = attrs.getAll(); |
| 533 | ModificationItem[] mods = new ModificationItem[attrs.size()]; |
| 534 | for (int i = 0; i < mods.length && attrEnum.hasMoreElements(); i++) { |
| 535 | mods[i] = new ModificationItem(mod_op, (Attribute)attrEnum.next()); |
| 536 | } |
| 537 | |
| 538 | modifyAttributes(name, mods); |
| 539 | } |
| 540 | |
| 541 | public void modifyAttributes(String name, ModificationItem[] mods) |
| 542 | throws NamingException { |
| 543 | modifyAttributes(myParser.parse(name), mods); |
| 544 | } |
| 545 | |
| 546 | public void modifyAttributes(Name name, ModificationItem[] mods) |
| 547 | throws NamingException { |
| 548 | HierMemDirCtx ctx = (HierMemDirCtx) doLookup(name, false); |
| 549 | ctx.doModifyAttributes(mods); |
| 550 | } |
| 551 | |
| 552 | protected void doModifyAttributes(ModificationItem[] mods) |
| 553 | throws NamingException { |
| 554 | |
| 555 | if (readOnlyEx != null) { |
| 556 | throw (NamingException) readOnlyEx.fillInStackTrace(); |
| 557 | } |
| 558 | |
| 559 | applyMods(mods, attrs); |
| 560 | } |
| 561 | |
| 562 | protected static Attributes applyMods(ModificationItem[] mods, |
| 563 | Attributes orig) throws NamingException { |
| 564 | |
| 565 | ModificationItem mod; |
| 566 | Attribute existingAttr, modAttr; |
| 567 | NamingEnumeration modVals; |
| 568 | |
| 569 | for (int i = 0; i < mods.length; i++) { |
| 570 | mod = mods[i]; |
| 571 | modAttr = mod.getAttribute(); |
| 572 | |
| 573 | switch(mod.getModificationOp()) { |
| 574 | case ADD_ATTRIBUTE: |
| 575 | if (debug) { |
| 576 | System.out.println("HierMemDSCtx: adding " + |
| 577 | mod.getAttribute().toString()); |
| 578 | } |
| 579 | existingAttr = orig.get(modAttr.getID()); |
| 580 | if (existingAttr == null) { |
| 581 | orig.put((Attribute)modAttr.clone()); |
| 582 | } else { |
| 583 | // Add new attribute values to existing attribute |
| 584 | modVals = modAttr.getAll(); |
| 585 | while (modVals.hasMore()) { |
| 586 | existingAttr.add(modVals.next()); |
| 587 | } |
| 588 | } |
| 589 | break; |
| 590 | case REPLACE_ATTRIBUTE: |
| 591 | if (modAttr.size() == 0) { |
| 592 | orig.remove(modAttr.getID()); |
| 593 | } else { |
| 594 | orig.put((Attribute)modAttr.clone()); |
| 595 | } |
| 596 | break; |
| 597 | case REMOVE_ATTRIBUTE: |
| 598 | existingAttr = orig.get(modAttr.getID()); |
| 599 | if (existingAttr != null) { |
| 600 | if (modAttr.size() == 0) { |
| 601 | orig.remove(modAttr.getID()); |
| 602 | } else { |
| 603 | // Remove attribute values from existing attribute |
| 604 | modVals = modAttr.getAll(); |
| 605 | while (modVals.hasMore()) { |
| 606 | existingAttr.remove(modVals.next()); |
| 607 | } |
| 608 | if (existingAttr.size() == 0) { |
| 609 | orig.remove(modAttr.getID()); |
| 610 | } |
| 611 | } |
| 612 | } |
| 613 | break; |
| 614 | default: |
| 615 | throw new AttributeModificationException("Unknown mod_op"); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | return orig; |
| 620 | } |
| 621 | |
| 622 | public NamingEnumeration search(String name, |
| 623 | Attributes matchingAttributes) |
| 624 | throws NamingException { |
| 625 | return search(name, matchingAttributes, null); |
| 626 | } |
| 627 | |
| 628 | public NamingEnumeration search(Name name, |
| 629 | Attributes matchingAttributes) |
| 630 | throws NamingException { |
| 631 | return search(name, matchingAttributes, null); |
| 632 | } |
| 633 | |
| 634 | public NamingEnumeration search(String name, |
| 635 | Attributes matchingAttributes, |
| 636 | String[] attributesToReturn) |
| 637 | throws NamingException { |
| 638 | return search(myParser.parse(name), matchingAttributes, |
| 639 | attributesToReturn); |
| 640 | } |
| 641 | |
| 642 | public NamingEnumeration search(Name name, |
| 643 | Attributes matchingAttributes, |
| 644 | String[] attributesToReturn) |
| 645 | throws NamingException { |
| 646 | |
| 647 | HierMemDirCtx target = (HierMemDirCtx) doLookup(name, false); |
| 648 | |
| 649 | SearchControls cons = new SearchControls(); |
| 650 | cons.setReturningAttributes(attributesToReturn); |
| 651 | |
| 652 | return new LazySearchEnumerationImpl( |
| 653 | target.doListBindings(false), |
| 654 | new ContainmentFilter(matchingAttributes), |
| 655 | cons, this, myEnv, |
| 656 | false); // alwaysUseFactory ignored because objReturnFlag == false |
| 657 | } |
| 658 | |
| 659 | public NamingEnumeration search(Name name, |
| 660 | String filter, |
| 661 | SearchControls cons) |
| 662 | throws NamingException { |
| 663 | DirContext target = (DirContext) doLookup(name, false); |
| 664 | |
| 665 | SearchFilter stringfilter = new SearchFilter(filter); |
| 666 | return new LazySearchEnumerationImpl( |
| 667 | new HierContextEnumerator(target, |
| 668 | (cons != null) ? cons.getSearchScope() : |
| 669 | SearchControls.ONELEVEL_SCOPE), |
| 670 | stringfilter, |
| 671 | cons, this, myEnv, alwaysUseFactory); |
| 672 | } |
| 673 | |
| 674 | public NamingEnumeration search(Name name, |
| 675 | String filterExpr, |
| 676 | Object[] filterArgs, |
| 677 | SearchControls cons) |
| 678 | throws NamingException { |
| 679 | |
| 680 | String strfilter = SearchFilter.format(filterExpr, filterArgs); |
| 681 | return search(name, strfilter, cons); |
| 682 | } |
| 683 | |
| 684 | public NamingEnumeration search(String name, |
| 685 | String filter, |
| 686 | SearchControls cons) |
| 687 | throws NamingException { |
| 688 | return search(myParser.parse(name), filter, cons); |
| 689 | } |
| 690 | |
| 691 | public NamingEnumeration search(String name, |
| 692 | String filterExpr, |
| 693 | Object[] filterArgs, |
| 694 | SearchControls cons) |
| 695 | throws NamingException { |
| 696 | return search(myParser.parse(name), filterExpr, filterArgs, cons); |
| 697 | } |
| 698 | |
| 699 | // This function is called whenever a new object needs to be created. |
| 700 | // this is used so that if anyone subclasses us, they can override this |
| 701 | // and return object of their own kind. |
| 702 | protected HierMemDirCtx createNewCtx() throws NamingException { |
| 703 | return new HierMemDirCtx(myEnv, ignoreCase); |
| 704 | } |
| 705 | |
| 706 | // If the supplied name is a composite name, return the name that |
| 707 | // is its first component. |
| 708 | protected Name canonizeName(Name name) throws NamingException { |
| 709 | Name canonicalName = name; |
| 710 | |
| 711 | if(!(name instanceof HierarchicalName)) { |
| 712 | // If name is not of the correct type, make copy |
| 713 | canonicalName = new HierarchicalName(); |
| 714 | int n = name.size(); |
| 715 | for(int i = 0; i < n; i++) { |
| 716 | canonicalName.add(i, name.get(i)); |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | return canonicalName; |
| 721 | } |
| 722 | |
| 723 | protected Name getInternalName(Name name) throws NamingException { |
| 724 | return (name.getPrefix(name.size() - 1)); |
| 725 | } |
| 726 | |
| 727 | protected Name getLeafName(Name name) throws NamingException { |
| 728 | return (name.getSuffix(name.size() - 1)); |
| 729 | } |
| 730 | |
| 731 | |
| 732 | public DirContext getSchema(String name) throws NamingException { |
| 733 | throw new OperationNotSupportedException(); |
| 734 | } |
| 735 | |
| 736 | public DirContext getSchema(Name name) throws NamingException { |
| 737 | throw new OperationNotSupportedException(); |
| 738 | } |
| 739 | |
| 740 | public DirContext getSchemaClassDefinition(String name) |
| 741 | throws NamingException { |
| 742 | throw new OperationNotSupportedException(); |
| 743 | } |
| 744 | |
| 745 | public DirContext getSchemaClassDefinition(Name name) |
| 746 | throws NamingException { |
| 747 | throw new OperationNotSupportedException(); |
| 748 | } |
| 749 | |
| 750 | // Set context in readonly mode; throw e when update operation attempted. |
| 751 | public void setReadOnly(NamingException e) { |
| 752 | readOnlyEx = e; |
| 753 | } |
| 754 | |
| 755 | // Set context to support case-insensitive names |
| 756 | public void setIgnoreCase(boolean ignoreCase) { |
| 757 | this.ignoreCase = ignoreCase; |
| 758 | } |
| 759 | |
| 760 | public void setNameParser(NameParser parser) { |
| 761 | myParser = parser; |
| 762 | } |
| 763 | |
| 764 | // Class for enumerating name/class pairs |
| 765 | private class FlatNames implements NamingEnumeration { |
| 766 | Enumeration names; |
| 767 | |
| 768 | FlatNames (Enumeration names) { |
| 769 | this.names = names; |
| 770 | } |
| 771 | |
| 772 | public boolean hasMoreElements() { |
| 773 | try { |
| 774 | return hasMore(); |
| 775 | } catch (NamingException e) { |
| 776 | return false; |
| 777 | } |
| 778 | } |
| 779 | |
| 780 | public boolean hasMore() throws NamingException { |
| 781 | return names.hasMoreElements(); |
| 782 | } |
| 783 | |
| 784 | public Object nextElement() { |
| 785 | try { |
| 786 | return next(); |
| 787 | } catch (NamingException e) { |
| 788 | throw new NoSuchElementException(e.toString()); |
| 789 | } |
| 790 | } |
| 791 | |
| 792 | public Object next() throws NamingException { |
| 793 | Name name = (Name)names.nextElement(); |
| 794 | String className = bindings.get(name).getClass().getName(); |
| 795 | return new NameClassPair(name.toString(), className); |
| 796 | } |
| 797 | |
| 798 | public void close() { |
| 799 | names = null; |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | // Class for enumerating bindings |
| 804 | private final class FlatBindings extends FlatNames { |
| 805 | private Hashtable bds; |
| 806 | private Hashtable env; |
| 807 | private boolean useFactory; |
| 808 | |
| 809 | FlatBindings(Hashtable bindings, Hashtable env, boolean useFactory) { |
| 810 | super(bindings.keys()); |
| 811 | this.env = env; |
| 812 | this.bds = bindings; |
| 813 | this.useFactory = useFactory; |
| 814 | } |
| 815 | |
| 816 | public Object next() throws NamingException { |
| 817 | Name name = (Name)names.nextElement(); |
| 818 | |
| 819 | HierMemDirCtx obj = (HierMemDirCtx)bds.get(name); |
| 820 | |
| 821 | Object answer = obj; |
| 822 | if (useFactory) { |
| 823 | Attributes attrs = obj.getAttributes(""); // only method available |
| 824 | try { |
| 825 | answer = DirectoryManager.getObjectInstance(obj, |
| 826 | name, HierMemDirCtx.this, env, attrs); |
| 827 | } catch (NamingException e) { |
| 828 | throw e; |
| 829 | } catch (Exception e) { |
| 830 | NamingException e2 = new NamingException( |
| 831 | "Problem calling getObjectInstance"); |
| 832 | e2.setRootCause(e); |
| 833 | throw e2; |
| 834 | } |
| 835 | } |
| 836 | |
| 837 | return new Binding(name.toString(), answer); |
| 838 | } |
| 839 | } |
| 840 | |
| 841 | public class HierContextEnumerator extends ContextEnumerator { |
| 842 | public HierContextEnumerator(Context context, int scope) |
| 843 | throws NamingException { |
| 844 | super(context, scope); |
| 845 | } |
| 846 | |
| 847 | protected HierContextEnumerator(Context context, int scope, |
| 848 | String contextName, boolean returnSelf) throws NamingException { |
| 849 | super(context, scope, contextName, returnSelf); |
| 850 | } |
| 851 | |
| 852 | protected NamingEnumeration getImmediateChildren(Context ctx) |
| 853 | throws NamingException { |
| 854 | return ((HierMemDirCtx)ctx).doListBindings(false); |
| 855 | } |
| 856 | |
| 857 | protected ContextEnumerator newEnumerator(Context ctx, int scope, |
| 858 | String contextName, boolean returnSelf) throws NamingException { |
| 859 | return new HierContextEnumerator(ctx, scope, contextName, |
| 860 | returnSelf); |
| 861 | } |
| 862 | } |
| 863 | } |
| 864 | |
| 865 | // CompundNames's HashCode() method isn't good enough for many string. |
| 866 | // The only prupose of this subclass is to have a more discerning |
| 867 | // hash function. We'll make up for the performance hit by caching |
| 868 | // the hash value. |
| 869 | |
| 870 | final class HierarchicalName extends CompoundName { |
| 871 | private int hashValue = -1; |
| 872 | |
| 873 | // Creates an empty name |
| 874 | HierarchicalName() { |
| 875 | super(new Enumeration() { |
| 876 | public boolean hasMoreElements() {return false;} |
| 877 | public Object nextElement() {throw new NoSuchElementException();} |
| 878 | }, |
| 879 | HierarchicalNameParser.mySyntax); |
| 880 | } |
| 881 | |
| 882 | HierarchicalName(Enumeration comps, Properties syntax) { |
| 883 | super(comps, syntax); |
| 884 | } |
| 885 | |
| 886 | HierarchicalName(String n, Properties syntax) throws InvalidNameException { |
| 887 | super(n, syntax); |
| 888 | } |
| 889 | |
| 890 | // just like String.hashCode, only it pays no attention to length |
| 891 | public int hashCode() { |
| 892 | if (hashValue == -1) { |
| 893 | |
| 894 | String name = toString().toUpperCase(); |
| 895 | int len = name.length(); |
| 896 | int off = 0; |
| 897 | char val[] = new char[len]; |
| 898 | |
| 899 | name.getChars(0, len, val, 0); |
| 900 | |
| 901 | for (int i = len; i > 0; i--) { |
| 902 | hashValue = (hashValue * 37) + val[off++]; |
| 903 | } |
| 904 | } |
| 905 | |
| 906 | return hashValue; |
| 907 | } |
| 908 | |
| 909 | public Name getPrefix(int posn) { |
| 910 | Enumeration comps = super.getPrefix(posn).getAll(); |
| 911 | return (new HierarchicalName(comps, mySyntax)); |
| 912 | } |
| 913 | |
| 914 | public Name getSuffix(int posn) { |
| 915 | Enumeration comps = super.getSuffix(posn).getAll(); |
| 916 | return (new HierarchicalName(comps, mySyntax)); |
| 917 | } |
| 918 | |
| 919 | public Object clone() { |
| 920 | return (new HierarchicalName(getAll(), mySyntax)); |
| 921 | } |
| 922 | |
| 923 | private static final long serialVersionUID = -6717336834584573168L; |
| 924 | } |
| 925 | |
| 926 | // This is the default name parser (used if setNameParser is not called) |
| 927 | final class HierarchicalNameParser implements NameParser { |
| 928 | static final Properties mySyntax = new Properties(); |
| 929 | static { |
| 930 | mySyntax.put("jndi.syntax.direction", "left_to_right"); |
| 931 | mySyntax.put("jndi.syntax.separator", "/"); |
| 932 | mySyntax.put("jndi.syntax.ignorecase", "true"); |
| 933 | mySyntax.put("jndi.syntax.escape", "\\"); |
| 934 | mySyntax.put("jndi.syntax.beginquote", "\""); |
| 935 | //mySyntax.put("jndi.syntax.separator.ava", "+"); |
| 936 | //mySyntax.put("jndi.syntax.separator.typeval", "="); |
| 937 | mySyntax.put("jndi.syntax.trimblanks", "false"); |
| 938 | }; |
| 939 | |
| 940 | public Name parse(String name) throws NamingException { |
| 941 | return new HierarchicalName(name, mySyntax); |
| 942 | } |
| 943 | } |