1 7 8 10 package java.nio; 11 12 import sun.misc.Cleaner; 13 import sun.misc.Unsafe; 14 import sun.nio.ch.DirectBuffer; 15 import sun.nio.ch.FileChannelImpl; 16 17 18 class DirectFloatBufferRS 19 20 21 22 extends DirectFloatBufferS 23 24 implements DirectBuffer 25 { 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 DirectFloatBufferRS(DirectBuffer db, int mark, int pos, int lim, int cap, 148 int off) 149 { 150 151 152 153 154 155 156 157 158 super(db, mark, pos, lim, cap, off); 159 160 } 161 162 public FloatBuffer slice() { 163 int pos = this.position(); 164 int lim = this.limit(); 165 assert (pos <= lim); 166 int rem = (pos <= lim ? lim - pos : 0); 167 int off = (pos << 2); 168 assert (off >= 0); 169 return new DirectFloatBufferRS (this, -1, 0, rem, rem, off); 170 } 171 172 public FloatBuffer duplicate() { 173 return new DirectFloatBufferRS (this, 174 this.markValue(), 175 this.position(), 176 this.limit(), 177 this.capacity(), 178 0); 179 } 180 181 public FloatBuffer asReadOnlyBuffer() { 182 183 184 185 186 187 188 189 190 return duplicate(); 191 192 } 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 public FloatBuffer put(float x) { 244 245 246 247 248 throw new ReadOnlyBufferException (); 249 250 } 251 252 public FloatBuffer put(int i, float x) { 253 254 255 256 257 throw new ReadOnlyBufferException (); 258 259 } 260 261 public FloatBuffer put(FloatBuffer src) { 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 throw new ReadOnlyBufferException (); 299 300 } 301 302 public FloatBuffer put(float[] src, int offset, int length) { 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 throw new ReadOnlyBufferException (); 326 327 } 328 329 public FloatBuffer compact() { 330 331 332 333 334 335 336 337 338 339 340 341 throw new ReadOnlyBufferException (); 342 343 } 344 345 public boolean isDirect() { 346 return true; 347 } 348 349 public boolean isReadOnly() { 350 return true; 351 } 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 public ByteOrder order() { 398 399 return ((ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN) 400 ? ByteOrder.LITTLE_ENDIAN : ByteOrder.BIG_ENDIAN); 401 402 403 404 405 406 } 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 } 434 | Popular Tags |