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| 1 | /* | ||
| 2 | * Copyright (c) 1996, 2010, 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 java.beans; | ||
| 27 | |||
| 28 | import java.lang.ref.Reference; | ||
| 29 | import java.lang.reflect.Method; | ||
| 30 | |||
| 31 | /** | ||
| 32 | * An IndexedPropertyDescriptor describes a property that acts like an | ||
| 33 | * array and has an indexed read and/or indexed write method to access | ||
| 34 | * specific elements of the array. | ||
| 35 | * <p> | ||
| 36 | * An indexed property may also provide simple non-indexed read and write | ||
| 37 | * methods. If these are present, they read and write arrays of the type | ||
| 38 | * returned by the indexed read method. | ||
| 39 | */ | ||
| 40 | |||
| 41 | public class IndexedPropertyDescriptor extends PropertyDescriptor { | ||
| 42 | |||
| 43 | private Reference<Class> indexedPropertyTypeRef; | ||
| 44 | private Reference<Method> indexedReadMethodRef; | ||
| 45 | private Reference<Method> indexedWriteMethodRef; | ||
| 46 | |||
| 47 | private String indexedReadMethodName; | ||
| 48 | private String indexedWriteMethodName; | ||
| 49 | |||
| 50 | /** | ||
| 51 | * This constructor constructs an IndexedPropertyDescriptor for a property | ||
| 52 | * that follows the standard Java conventions by having getFoo and setFoo | ||
| 53 | * accessor methods, for both indexed access and array access. | ||
| 54 | * <p> | ||
| 55 | * Thus if the argument name is "fred", it will assume that there | ||
| 56 | * is an indexed reader method "getFred", a non-indexed (array) reader | ||
| 57 | * method also called "getFred", an indexed writer method "setFred", | ||
| 58 | * and finally a non-indexed writer method "setFred". | ||
| 59 | * | ||
| 60 | * @param propertyName The programmatic name of the property. | ||
| 61 | * @param beanClass The Class object for the target bean. | ||
| 62 | * @exception IntrospectionException if an exception occurs during | ||
| 63 | * introspection. | ||
| 64 | */ | ||
| 65 | public IndexedPropertyDescriptor(String propertyName, Class<?> beanClass) | ||
| 66 | throws IntrospectionException { | ||
| 67 | this(propertyName, beanClass, | ||
| 68 | Introspector.GET_PREFIX + NameGenerator.capitalize(propertyName), | ||
| 69 | Introspector.SET_PREFIX + NameGenerator.capitalize(propertyName), | ||
| 70 | Introspector.GET_PREFIX + NameGenerator.capitalize(propertyName), | ||
| 71 | Introspector.SET_PREFIX + NameGenerator.capitalize(propertyName)); | ||
| 72 | } | ||
| 73 | |||
| 74 | /** | ||
| 75 | * This constructor takes the name of a simple property, and method | ||
| 76 | * names for reading and writing the property, both indexed | ||
| 77 | * and non-indexed. | ||
| 78 | * | ||
| 79 | * @param propertyName The programmatic name of the property. | ||
| 80 | * @param beanClass The Class object for the target bean. | ||
| 81 | * @param readMethodName The name of the method used for reading the property | ||
| 82 | * values as an array. May be null if the property is write-only | ||
| 83 | * or must be indexed. | ||
| 84 | * @param writeMethodName The name of the method used for writing the property | ||
| 85 | * values as an array. May be null if the property is read-only | ||
| 86 | * or must be indexed. | ||
| 87 | * @param indexedReadMethodName The name of the method used for reading | ||
| 88 | * an indexed property value. | ||
| 89 | * May be null if the property is write-only. | ||
| 90 | * @param indexedWriteMethodName The name of the method used for writing | ||
| 91 | * an indexed property value. | ||
| 92 | * May be null if the property is read-only. | ||
| 93 | * @exception IntrospectionException if an exception occurs during | ||
| 94 | * introspection. | ||
| 95 | */ | ||
| 96 | public IndexedPropertyDescriptor(String propertyName, Class<?> beanClass, | ||
| 97 | String readMethodName, String writeMethodName, | ||
| 98 | String indexedReadMethodName, String indexedWriteMethodName) | ||
| 99 | throws IntrospectionException { | ||
| 100 | super(propertyName, beanClass, readMethodName, writeMethodName); | ||
| 101 | |||
| 102 | this.indexedReadMethodName = indexedReadMethodName; | ||
| 103 | if (indexedReadMethodName != null && getIndexedReadMethod() == null) { | ||
| 104 | throw new IntrospectionException("Method not found: " + indexedReadMethodName); | ||
| 105 | } | ||
| 106 | |||
| 107 | this.indexedWriteMethodName = indexedWriteMethodName; | ||
| 108 | if (indexedWriteMethodName != null && getIndexedWriteMethod() == null) { | ||
| 109 | throw new IntrospectionException("Method not found: " + indexedWriteMethodName); | ||
| 110 | } | ||
| 111 | // Implemented only for type checking. | ||
| 112 | findIndexedPropertyType(getIndexedReadMethod(), getIndexedWriteMethod()); | ||
| 113 | } | ||
| 114 | |||
| 115 | /** | ||
| 116 | * This constructor takes the name of a simple property, and Method | ||
| 117 | * objects for reading and writing the property. | ||
| 118 | * | ||
| 119 | * @param propertyName The programmatic name of the property. | ||
| 120 | * @param readMethod The method used for reading the property values as an array. | ||
| 121 | * May be null if the property is write-only or must be indexed. | ||
| 122 | * @param writeMethod The method used for writing the property values as an array. | ||
| 123 | * May be null if the property is read-only or must be indexed. | ||
| 124 | * @param indexedReadMethod The method used for reading an indexed property value. | ||
| 125 | * May be null if the property is write-only. | ||
| 126 | * @param indexedWriteMethod The method used for writing an indexed property value. | ||
| 127 | * May be null if the property is read-only. | ||
| 128 | * @exception IntrospectionException if an exception occurs during | ||
| 129 | * introspection. | ||
| 130 | */ | ||
| 131 | public IndexedPropertyDescriptor(String propertyName, Method readMethod, Method writeMethod, | ||
| 132 | Method indexedReadMethod, Method indexedWriteMethod) | ||
| 133 | throws IntrospectionException { | ||
| 134 | super(propertyName, readMethod, writeMethod); | ||
| 135 | |||
| 136 | setIndexedReadMethod0(indexedReadMethod); | ||
| 137 | setIndexedWriteMethod0(indexedWriteMethod); | ||
| 138 | |||
| 139 | // Type checking | ||
| 140 | setIndexedPropertyType(findIndexedPropertyType(indexedReadMethod, indexedWriteMethod)); | ||
| 141 | } | ||
| 142 | |||
| 143 | /** | ||
| 144 | * Creates <code>PropertyDescriptor</code> for the specified bean | ||
| 145 | * with the specified name and methods to read/write the property value. | ||
| 146 | * | ||
| 147 | * @param bean the type of the target bean | ||
| 148 | * @param base the base name of the property (the rest of the method name) | ||
| 149 | * @param read the method used for reading the property value | ||
| 150 | * @param write the method used for writing the property value | ||
| 151 | * @param readIndexed the method used for reading an indexed property value | ||
| 152 | * @param writeIndexed the method used for writing an indexed property value | ||
| 153 | * @exception IntrospectionException if an exception occurs during introspection | ||
| 154 | * | ||
| 155 | * @since 1.7 | ||
| 156 | */ | ||
| 157 | IndexedPropertyDescriptor(Class<?> bean, String base, Method read, Method write, Method readIndexed, Method writeIndexed) throws IntrospectionException { | ||
| 158 | super(bean, base, read, write); | ||
| 159 | |||
| 160 | setIndexedReadMethod0(readIndexed); | ||
| 161 | setIndexedWriteMethod0(writeIndexed); | ||
| 162 | |||
| 163 | // Type checking | ||
| 164 | setIndexedPropertyType(findIndexedPropertyType(readIndexed, writeIndexed)); | ||
| 165 | } | ||
| 166 | |||
| 167 | /** | ||
| 168 | * Gets the method that should be used to read an indexed | ||
| 169 | * property value. | ||
| 170 | * | ||
| 171 | * @return The method that should be used to read an indexed | ||
| 172 | * property value. | ||
| 173 | * May return null if the property isn't indexed or is write-only. | ||
| 174 | */ | ||
| 175 | public synchronized Method getIndexedReadMethod() { | ||
| 176 | Method indexedReadMethod = getIndexedReadMethod0(); | ||
| 177 | if (indexedReadMethod == null) { | ||
| 178 | Class cls = getClass0(); | ||
| 179 | if (cls == null || | ||
| 180 | (indexedReadMethodName == null && indexedReadMethodRef == null)) { | ||
| 181 | // the Indexed readMethod was explicitly set to null. | ||
| 182 | return null; | ||
| 183 | } | ||
| 184 | if (indexedReadMethodName == null) { | ||
| 185 | Class type = getIndexedPropertyType0(); | ||
| 186 | if (type == boolean.class || type == null) { | ||
| 187 | indexedReadMethodName = Introspector.IS_PREFIX + getBaseName(); | ||
| 188 | } else { | ||
| 189 | indexedReadMethodName = Introspector.GET_PREFIX + getBaseName(); | ||
| 190 | } | ||
| 191 | } | ||
| 192 | |||
| 193 | Class[] args = { int.class }; | ||
| 194 | indexedReadMethod = Introspector.findMethod(cls, indexedReadMethodName, 1, args); | ||
| 195 | if (indexedReadMethod == null) { | ||
| 196 | // no "is" method, so look for a "get" method. | ||
| 197 | indexedReadMethodName = Introspector.GET_PREFIX + getBaseName(); | ||
| 198 | indexedReadMethod = Introspector.findMethod(cls, indexedReadMethodName, 1, args); | ||
| 199 | } | ||
| 200 | setIndexedReadMethod0(indexedReadMethod); | ||
| 201 | } | ||
| 202 | return indexedReadMethod; | ||
| 203 | } | ||
| 204 | |||
| 205 | /** | ||
| 206 | * Sets the method that should be used to read an indexed property value. | ||
| 207 | * | ||
| 208 | * @param readMethod The new indexed read method. | ||
| 209 | */ | ||
| 210 | public synchronized void setIndexedReadMethod(Method readMethod) | ||
| 211 | throws IntrospectionException { | ||
| 212 | |||
| 213 | // the indexed property type is set by the reader. | ||
| 214 | setIndexedPropertyType(findIndexedPropertyType(readMethod, | ||
| 215 | getIndexedWriteMethod0())); | ||
| 216 | setIndexedReadMethod0(readMethod); | ||
| 217 | } | ||
| 218 | |||
| 219 | private void setIndexedReadMethod0(Method readMethod) { | ||
| 220 | if (readMethod == null) { | ||
| 221 | indexedReadMethodName = null; | ||
| 222 | indexedReadMethodRef = null; | ||
| 223 | return; | ||
| 224 | } | ||
| 225 | setClass0(readMethod.getDeclaringClass()); | ||
| 226 | |||
| 227 | indexedReadMethodName = readMethod.getName(); | ||
| 228 | this.indexedReadMethodRef = getSoftReference(readMethod); | ||
| 229 | setTransient(readMethod.getAnnotation(Transient.class)); | ||
| 230 | } | ||
| 231 | |||
| 232 | |||
| 233 | /** | ||
| 234 | * Gets the method that should be used to write an indexed property value. | ||
| 235 | * | ||
| 236 | * @return The method that should be used to write an indexed | ||
| 237 | * property value. | ||
| 238 | * May return null if the property isn't indexed or is read-only. | ||
| 239 | */ | ||
| 240 | public synchronized Method getIndexedWriteMethod() { | ||
| 241 | Method indexedWriteMethod = getIndexedWriteMethod0(); | ||
| 242 | if (indexedWriteMethod == null) { | ||
| 243 | Class cls = getClass0(); | ||
| 244 | if (cls == null || | ||
| 245 | (indexedWriteMethodName == null && indexedWriteMethodRef == null)) { | ||
| 246 | // the Indexed writeMethod was explicitly set to null. | ||
| 247 | return null; | ||
| 248 | } | ||
| 249 | |||
| 250 | // We need the indexed type to ensure that we get the correct method. | ||
| 251 | // Cannot use the getIndexedPropertyType method since that could | ||
| 252 | // result in an infinite loop. | ||
| 253 | Class type = getIndexedPropertyType0(); | ||
| 254 | if (type == null) { | ||
| 255 | try { | ||
| 256 | type = findIndexedPropertyType(getIndexedReadMethod(), null); | ||
| 257 | setIndexedPropertyType(type); | ||
| 258 | } catch (IntrospectionException ex) { | ||
| 259 | // Set iprop type to be the classic type | ||
| 260 | Class propType = getPropertyType(); | ||
| 261 | if (propType.isArray()) { | ||
| 262 | type = propType.getComponentType(); | ||
| 263 | } | ||
| 264 | } | ||
| 265 | } | ||
| 266 | |||
| 267 | if (indexedWriteMethodName == null) { | ||
| 268 | indexedWriteMethodName = Introspector.SET_PREFIX + getBaseName(); | ||
| 269 | } | ||
| 270 | |||
| 271 | Class[] args = (type == null) ? null : new Class[] { int.class, type }; | ||
| 272 | indexedWriteMethod = Introspector.findMethod(cls, indexedWriteMethodName, 2, args); | ||
| 273 | if (indexedWriteMethod != null) { | ||
| 274 | if (!indexedWriteMethod.getReturnType().equals(void.class)) { | ||
| 275 | indexedWriteMethod = null; | ||
| 276 | } | ||
| 277 | } | ||
| 278 | setIndexedWriteMethod0(indexedWriteMethod); | ||
| 279 | } | ||
| 280 | return indexedWriteMethod; | ||
| 281 | } | ||
| 282 | |||
| 283 | /** | ||
| 284 | * Sets the method that should be used to write an indexed property value. | ||
| 285 | * | ||
| 286 | * @param writeMethod The new indexed write method. | ||
| 287 | */ | ||
| 288 | public synchronized void setIndexedWriteMethod(Method writeMethod) | ||
| 289 | throws IntrospectionException { | ||
| 290 | |||
| 291 | // If the indexed property type has not been set, then set it. | ||
| 292 | Class type = findIndexedPropertyType(getIndexedReadMethod(), | ||
| 293 | writeMethod); | ||
| 294 | setIndexedPropertyType(type); | ||
| 295 | setIndexedWriteMethod0(writeMethod); | ||
| 296 | } | ||
| 297 | |||
| 298 | private void setIndexedWriteMethod0(Method writeMethod) { | ||
| 299 | if (writeMethod == null) { | ||
| 300 | indexedWriteMethodName = null; | ||
| 301 | indexedWriteMethodRef = null; | ||
| 302 | return; | ||
| 303 | } | ||
| 304 | setClass0(writeMethod.getDeclaringClass()); | ||
| 305 | |||
| 306 | indexedWriteMethodName = writeMethod.getName(); | ||
| 307 | this.indexedWriteMethodRef = getSoftReference(writeMethod); | ||
| 308 | setTransient(writeMethod.getAnnotation(Transient.class)); | ||
| 309 | } | ||
| 310 | |||
| 311 | /** | ||
| 312 | * Returns the Java type info for the indexed property. | ||
| 313 | * Note that the {@code Class} object may describe | ||
| 314 | * primitive Java types such as {@code int}. | ||
| 315 | * This type is returned by the indexed read method | ||
| 316 | * or is used as the parameter type of the indexed write method. | ||
| 317 | * | ||
| 318 | * @return the {@code Class} object that represents the Java type info, | ||
| 319 | * or {@code null} if the type cannot be determined | ||
| 320 | */ | ||
| 321 | public synchronized Class<?> getIndexedPropertyType() { | ||
| 322 | Class type = getIndexedPropertyType0(); | ||
| 323 | if (type == null) { | ||
| 324 | try { | ||
| 325 | type = findIndexedPropertyType(getIndexedReadMethod(), | ||
| 326 | getIndexedWriteMethod()); | ||
| 327 | setIndexedPropertyType(type); | ||
| 328 | } catch (IntrospectionException ex) { | ||
| 329 | // fall | ||
| 330 | } | ||
| 331 | } | ||
| 332 | return type; | ||
| 333 | } | ||
| 334 | |||
| 335 | // Private methods which set get/set the Reference objects | ||
| 336 | |||
| 337 | private void setIndexedPropertyType(Class type) { | ||
| 338 | this.indexedPropertyTypeRef = getWeakReference(type); | ||
| 339 | } | ||
| 340 | |||
| 341 | private Class getIndexedPropertyType0() { | ||
| 342 | return (this.indexedPropertyTypeRef != null) | ||
| 343 | ? this.indexedPropertyTypeRef.get() | ||
| 344 | : null; | ||
| 345 | } | ||
| 346 | |||
| 347 | private Method getIndexedReadMethod0() { | ||
| 348 | return (this.indexedReadMethodRef != null) | ||
| 349 | ? this.indexedReadMethodRef.get() | ||
| 350 | : null; | ||
| 351 | } | ||
| 352 | |||
| 353 | private Method getIndexedWriteMethod0() { | ||
| 354 | return (this.indexedWriteMethodRef != null) | ||
| 355 | ? this.indexedWriteMethodRef.get() | ||
| 356 | : null; | ||
| 357 | } | ||
| 358 | |||
| 359 | private Class findIndexedPropertyType(Method indexedReadMethod, | ||
| 360 | Method indexedWriteMethod) | ||
| 361 | throws IntrospectionException { | ||
| 362 | Class indexedPropertyType = null; | ||
| 363 | |||
| 364 | if (indexedReadMethod != null) { | ||
| 365 | Class params[] = getParameterTypes(getClass0(), indexedReadMethod); | ||
| 366 | if (params.length != 1) { | ||
| 367 | throw new IntrospectionException("bad indexed read method arg count"); | ||
| 368 | } | ||
| 369 | if (params[0] != Integer.TYPE) { | ||
| 370 | throw new IntrospectionException("non int index to indexed read method"); | ||
| 371 | } | ||
| 372 | indexedPropertyType = getReturnType(getClass0(), indexedReadMethod); | ||
| 373 | if (indexedPropertyType == Void.TYPE) { | ||
| 374 | throw new IntrospectionException("indexed read method returns void"); | ||
| 375 | } | ||
| 376 | } | ||
| 377 | if (indexedWriteMethod != null) { | ||
| 378 | Class params[] = getParameterTypes(getClass0(), indexedWriteMethod); | ||
| 379 | if (params.length != 2) { | ||
| 380 | throw new IntrospectionException("bad indexed write method arg count"); | ||
| 381 | } | ||
| 382 | if (params[0] != Integer.TYPE) { | ||
| 383 | throw new IntrospectionException("non int index to indexed write method"); | ||
| 384 | } | ||
| 385 | if (indexedPropertyType != null && indexedPropertyType != params[1]) { | ||
| 386 | throw new IntrospectionException( | ||
| 387 | "type mismatch between indexed read and indexed write methods: " | ||
| 388 | + getName()); | ||
| 389 | } | ||
| 390 | indexedPropertyType = params[1]; | ||
| 391 | } | ||
| 392 | Class propertyType = getPropertyType(); | ||
| 393 | if (propertyType != null && (!propertyType.isArray() || | ||
| 394 | propertyType.getComponentType() != indexedPropertyType)) { | ||
| 395 | throw new IntrospectionException("type mismatch between indexed and non-indexed methods: " | ||
| 396 | + getName()); | ||
| 397 | } | ||
| 398 | return indexedPropertyType; | ||
| 399 | } | ||
| 400 | |||
| 401 | /** | ||
| 402 | * Compares this <code>PropertyDescriptor</code> against the specified object. | ||
| 403 | * Returns true if the objects are the same. Two <code>PropertyDescriptor</code>s | ||
| 404 | * are the same if the read, write, property types, property editor and | ||
| 405 | * flags are equivalent. | ||
| 406 | * | ||
| 407 | * @since 1.4 | ||
| 408 | */ | ||
| 409 | public boolean equals(Object obj) { | ||
| 410 | // Note: This would be identical to PropertyDescriptor but they don't | ||
| 411 | // share the same fields. | ||
| 412 | if (this == obj) { | ||
| 413 | return true; | ||
| 414 | } | ||
| 415 | |||
| 416 | if (obj != null && obj instanceof IndexedPropertyDescriptor) { | ||
| 417 | IndexedPropertyDescriptor other = (IndexedPropertyDescriptor)obj; | ||
| 418 | Method otherIndexedReadMethod = other.getIndexedReadMethod(); | ||
| 419 | Method otherIndexedWriteMethod = other.getIndexedWriteMethod(); | ||
| 420 | |||
| 421 | if (!compareMethods(getIndexedReadMethod(), otherIndexedReadMethod)) { | ||
| 422 | return false; | ||
| 423 | } | ||
| 424 | |||
| 425 | if (!compareMethods(getIndexedWriteMethod(), otherIndexedWriteMethod)) { | ||
| 426 | return false; | ||
| 427 | } | ||
| 428 | |||
| 429 | if (getIndexedPropertyType() != other.getIndexedPropertyType()) { | ||
| 430 | return false; | ||
| 431 | } | ||
| 432 | return super.equals(obj); | ||
| 433 | } | ||
| 434 | return false; | ||
| 435 | } | ||
| 436 | |||
| 437 | /** | ||
| 438 | * Package-private constructor. | ||
| 439 | * Merge two property descriptors. Where they conflict, give the | ||
| 440 | * second argument (y) priority over the first argumnnt (x). | ||
| 441 | * | ||
| 442 | * @param x The first (lower priority) PropertyDescriptor | ||
| 443 | * @param y The second (higher priority) PropertyDescriptor | ||
| 444 | */ | ||
| 445 | |||
| 446 | IndexedPropertyDescriptor(PropertyDescriptor x, PropertyDescriptor y) { | ||
| 447 | super(x,y); | ||
| 448 | if (x instanceof IndexedPropertyDescriptor) { | ||
| 449 | IndexedPropertyDescriptor ix = (IndexedPropertyDescriptor)x; | ||
| 450 | try { | ||
| 451 | Method xr = ix.getIndexedReadMethod(); | ||
| 452 | if (xr != null) { | ||
| 453 | setIndexedReadMethod(xr); | ||
| 454 | } | ||
| 455 | |||
| 456 | Method xw = ix.getIndexedWriteMethod(); | ||
| 457 | if (xw != null) { | ||
| 458 | setIndexedWriteMethod(xw); | ||
| 459 | } | ||
| 460 | } catch (IntrospectionException ex) { | ||
| 461 | // Should not happen | ||
| 462 | throw new AssertionError(ex); | ||
| 463 | } | ||
| 464 | } | ||
| 465 | if (y instanceof IndexedPropertyDescriptor) { | ||
| 466 | IndexedPropertyDescriptor iy = (IndexedPropertyDescriptor)y; | ||
| 467 | try { | ||
| 468 | Method yr = iy.getIndexedReadMethod(); | ||
| 469 | if (yr != null && yr.getDeclaringClass() == getClass0()) { | ||
| 470 | setIndexedReadMethod(yr); | ||
| 471 | } | ||
| 472 | |||
| 473 | Method yw = iy.getIndexedWriteMethod(); | ||
| 474 | if (yw != null && yw.getDeclaringClass() == getClass0()) { | ||
| 475 | setIndexedWriteMethod(yw); | ||
| 476 | } | ||
| 477 | } catch (IntrospectionException ex) { | ||
| 478 | // Should not happen | ||
| 479 | throw new AssertionError(ex); | ||
| 480 | } | ||
| 481 | } | ||
| 482 | } | ||
| 483 | |||
| 484 | /* | ||
| 485 | * Package-private dup constructor | ||
| 486 | * This must isolate the new object from any changes to the old object. | ||
| 487 | */ | ||
| 488 | IndexedPropertyDescriptor(IndexedPropertyDescriptor old) { | ||
| 489 | super(old); | ||
| 490 | indexedReadMethodRef = old.indexedReadMethodRef; | ||
| 491 | indexedWriteMethodRef = old.indexedWriteMethodRef; | ||
| 492 | indexedPropertyTypeRef = old.indexedPropertyTypeRef; | ||
| 493 | indexedWriteMethodName = old.indexedWriteMethodName; | ||
| 494 | indexedReadMethodName = old.indexedReadMethodName; | ||
| 495 | } | ||
| 496 | |||
| 497 | /** | ||
| 498 | * Returns a hash code value for the object. | ||
| 499 | * See {@link java.lang.Object#hashCode} for a complete description. | ||
| 500 | * | ||
| 501 | * @return a hash code value for this object. | ||
| 502 | * @since 1.5 | ||
| 503 | */ | ||
| 504 | public int hashCode() { | ||
| 505 | int result = super.hashCode(); | ||
| 506 | |||
| 507 | result = 37 * result + ((indexedWriteMethodName == null) ? 0 : | ||
| 508 | indexedWriteMethodName.hashCode()); | ||
| 509 | result = 37 * result + ((indexedReadMethodName == null) ? 0 : | ||
| 510 | indexedReadMethodName.hashCode()); | ||
| 511 | result = 37 * result + ((getIndexedPropertyType() == null) ? 0 : | ||
| 512 | getIndexedPropertyType().hashCode()); | ||
| 513 | |||
| 514 | return result; | ||
| 515 | } | ||
| 516 | |||
| 517 | void appendTo(StringBuilder sb) { | ||
| 518 | super.appendTo(sb); | ||
| 519 | appendTo(sb, "indexedPropertyType", this.indexedPropertyTypeRef); | ||
| 520 | appendTo(sb, "indexedReadMethod", this.indexedReadMethodRef); | ||
| 521 | appendTo(sb, "indexedWriteMethod", this.indexedWriteMethodRef); | ||
| 522 | } | ||
| 523 | } | ||