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annotate src/org/eclipse/jetty/io/AbstractBuffer.java @ 1009:c3a04bded909
remove AbstractBuffers
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Sun, 23 Oct 2016 21:28:56 -0600 |
| parents | 0e96ce3db20a |
| children | 2712133d5bce |
| rev | line source |
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1 // |
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2 // ======================================================================== |
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
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4 // ------------------------------------------------------------------------ |
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5 // All rights reserved. This program and the accompanying materials |
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6 // are made available under the terms of the Eclipse Public License v1.0 |
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7 // and Apache License v2.0 which accompanies this distribution. |
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8 // |
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9 // The Eclipse Public License is available at |
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10 // http://www.eclipse.org/legal/epl-v10.html |
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11 // |
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12 // The Apache License v2.0 is available at |
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13 // http://www.opensource.org/licenses/apache2.0.php |
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14 // |
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15 // You may elect to redistribute this code under either of these licenses. |
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16 // ======================================================================== |
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17 // |
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18 |
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19 package org.eclipse.jetty.io; |
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20 |
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21 import java.io.IOException; |
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22 import java.io.InputStream; |
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23 import java.io.OutputStream; |
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24 import java.nio.charset.Charset; |
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25 |
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26 import org.eclipse.jetty.util.TypeUtil; |
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27 import org.slf4j.Logger; |
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28 import org.slf4j.LoggerFactory; |
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29 |
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30 /** |
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31 * |
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32 * |
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33 */ |
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34 public abstract class AbstractBuffer implements Buffer |
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35 { |
| 1005 | 36 private static final Logger LOG = LoggerFactory.getLogger(AbstractBuffer.class); |
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37 |
| 1005 | 38 private final static boolean __boundsChecking = Boolean.getBoolean("org.eclipse.jetty.io.AbstractBuffer.boundsChecking"); |
| 39 | |
| 40 protected final static String | |
| 41 __IMMUTABLE = "IMMUTABLE", | |
| 42 __READONLY = "READONLY", | |
| 43 __READWRITE = "READWRITE", | |
| 44 __VOLATILE = "VOLATILE"; | |
| 45 | |
| 46 protected int _access; | |
| 47 protected boolean _volatile; | |
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48 |
| 1005 | 49 protected int _get; |
| 50 protected int _put; | |
| 51 protected int _hash; | |
| 52 protected int _hashGet; | |
| 53 protected int _hashPut; | |
| 54 protected int _mark; | |
| 55 protected String _string; | |
| 56 protected View _view; | |
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57 |
| 1005 | 58 /** |
| 59 * Constructor for BufferView | |
| 60 * | |
| 61 * @param access 0==IMMUTABLE, 1==READONLY, 2==READWRITE | |
| 62 */ | |
| 63 public AbstractBuffer(int access, boolean isVolatile) | |
| 64 { | |
| 65 if (access == IMMUTABLE && isVolatile) | |
| 66 throw new IllegalArgumentException("IMMUTABLE && VOLATILE"); | |
| 67 setMarkIndex(-1); | |
| 68 _access = access; | |
| 69 _volatile = isVolatile; | |
| 70 } | |
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71 |
| 1005 | 72 /* |
| 73 * @see org.eclipse.io.Buffer#toArray() | |
| 74 */ | |
| 75 public byte[] asArray() | |
| 76 { | |
| 77 byte[] bytes = new byte[length()]; | |
| 78 byte[] array = array(); | |
| 79 if (array != null) | |
| 80 System.arraycopy(array, getIndex(), bytes, 0, bytes.length); | |
| 81 else | |
| 82 peek(getIndex(), bytes, 0, length()); | |
| 83 return bytes; | |
| 84 } | |
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85 |
| 1005 | 86 private ByteArrayBuffer duplicate(int access) |
| 87 { | |
| 88 Buffer b=this.buffer(); | |
| 89 if (this instanceof Buffer.CaseInsensitve || b instanceof Buffer.CaseInsensitve) | |
| 90 return new ByteArrayBuffer.CaseInsensitive(asArray(), 0, length(),access); | |
| 91 else | |
| 92 return new ByteArrayBuffer(asArray(), 0, length(), access); | |
| 93 } | |
| 94 | |
| 95 /* | |
| 96 * @see org.eclipse.io.Buffer#asNonVolatile() | |
| 97 */ | |
| 98 public Buffer asNonVolatileBuffer() | |
| 99 { | |
| 100 if (!isVolatile()) return this; | |
| 101 return duplicate(_access); | |
| 102 } | |
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103 |
| 1005 | 104 public Buffer asImmutableBuffer() |
| 105 { | |
| 106 if (isImmutable()) return this; | |
| 107 return duplicate(IMMUTABLE); | |
| 108 } | |
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109 |
| 1005 | 110 /* |
| 111 * @see org.eclipse.util.Buffer#asReadOnlyBuffer() | |
| 112 */ | |
| 113 public Buffer asReadOnlyBuffer() | |
| 114 { | |
| 115 if (isReadOnly()) return this; | |
| 116 return new View(this, markIndex(), getIndex(), putIndex(), READONLY); | |
| 117 } | |
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118 |
| 1005 | 119 public Buffer asMutableBuffer() |
| 120 { | |
| 121 if (!isImmutable()) return this; | |
| 122 | |
| 123 Buffer b=this.buffer(); | |
| 124 if (b.isReadOnly()) | |
| 125 { | |
| 126 return duplicate(READWRITE); | |
| 127 } | |
| 128 return new View(b, markIndex(), getIndex(), putIndex(), _access); | |
| 129 } | |
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130 |
| 1005 | 131 public Buffer buffer() |
| 132 { | |
| 133 return this; | |
| 134 } | |
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135 |
| 1005 | 136 public void clear() |
| 137 { | |
| 138 setMarkIndex(-1); | |
| 139 setGetIndex(0); | |
| 140 setPutIndex(0); | |
| 141 } | |
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142 |
| 1005 | 143 public void compact() |
| 144 { | |
| 145 if (isReadOnly()) throw new IllegalStateException(__READONLY); | |
| 146 int s = markIndex() >= 0 ? markIndex() : getIndex(); | |
| 147 if (s > 0) | |
| 148 { | |
| 149 byte array[] = array(); | |
| 150 int length = putIndex() - s; | |
| 151 if (length > 0) | |
| 152 { | |
| 153 if (array != null) | |
| 154 System.arraycopy(array(), s, array(), 0, length); | |
| 155 else | |
| 156 poke(0, peek(s, length)); | |
| 157 } | |
| 158 if (markIndex() > 0) setMarkIndex(markIndex() - s); | |
| 159 setGetIndex(getIndex() - s); | |
| 160 setPutIndex(putIndex() - s); | |
| 161 } | |
| 162 } | |
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163 |
| 1005 | 164 @Override |
| 165 public boolean equals(Object obj) | |
| 166 { | |
| 167 if (obj==this) | |
| 168 return true; | |
| 169 | |
| 170 // reject non buffers; | |
| 171 if (obj == null || !(obj instanceof Buffer)) return false; | |
| 172 Buffer b = (Buffer) obj; | |
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173 |
| 1005 | 174 if (this instanceof Buffer.CaseInsensitve || b instanceof Buffer.CaseInsensitve) |
| 175 return equalsIgnoreCase(b); | |
| 176 | |
| 177 // reject different lengths | |
| 178 if (b.length() != length()) return false; | |
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179 |
| 1005 | 180 // reject AbstractBuffer with different hash value |
| 181 if (_hash != 0 && obj instanceof AbstractBuffer) | |
| 182 { | |
| 183 AbstractBuffer ab = (AbstractBuffer) obj; | |
| 184 if (ab._hash != 0 && _hash != ab._hash) return false; | |
| 185 } | |
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186 |
| 1005 | 187 // Nothing for it but to do the hard grind. |
| 188 int get=getIndex(); | |
| 189 int bi=b.putIndex(); | |
| 190 for (int i = putIndex(); i-->get;) | |
| 191 { | |
| 192 byte b1 = peek(i); | |
| 193 byte b2 = b.peek(--bi); | |
| 194 if (b1 != b2) return false; | |
| 195 } | |
| 196 return true; | |
| 197 } | |
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198 |
| 1005 | 199 public boolean equalsIgnoreCase(Buffer b) |
| 200 { | |
| 201 if (b==this) | |
| 202 return true; | |
| 203 | |
| 204 // reject different lengths | |
| 205 if (b.length() != length()) return false; | |
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206 |
| 1005 | 207 // reject AbstractBuffer with different hash value |
| 208 if (_hash != 0 && b instanceof AbstractBuffer) | |
| 209 { | |
| 210 AbstractBuffer ab = (AbstractBuffer) b; | |
| 211 if (ab._hash != 0 && _hash != ab._hash) return false; | |
| 212 } | |
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213 |
| 1005 | 214 // Nothing for it but to do the hard grind. |
| 215 int get=getIndex(); | |
| 216 int bi=b.putIndex(); | |
| 217 | |
| 218 byte[] array = array(); | |
| 219 byte[] barray= b.array(); | |
| 220 if (array!=null && barray!=null) | |
| 221 { | |
| 222 for (int i = putIndex(); i-->get;) | |
| 223 { | |
| 224 byte b1 = array[i]; | |
| 225 byte b2 = barray[--bi]; | |
| 226 if (b1 != b2) | |
| 227 { | |
| 228 if ('a' <= b1 && b1 <= 'z') b1 = (byte) (b1 - 'a' + 'A'); | |
| 229 if ('a' <= b2 && b2 <= 'z') b2 = (byte) (b2 - 'a' + 'A'); | |
| 230 if (b1 != b2) return false; | |
| 231 } | |
| 232 } | |
| 233 } | |
| 234 else | |
| 235 { | |
| 236 for (int i = putIndex(); i-->get;) | |
| 237 { | |
| 238 byte b1 = peek(i); | |
| 239 byte b2 = b.peek(--bi); | |
| 240 if (b1 != b2) | |
| 241 { | |
| 242 if ('a' <= b1 && b1 <= 'z') b1 = (byte) (b1 - 'a' + 'A'); | |
| 243 if ('a' <= b2 && b2 <= 'z') b2 = (byte) (b2 - 'a' + 'A'); | |
| 244 if (b1 != b2) return false; | |
| 245 } | |
| 246 } | |
| 247 } | |
| 248 return true; | |
| 249 } | |
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250 |
| 1005 | 251 public byte get() |
| 252 { | |
| 253 return peek(_get++); | |
| 254 } | |
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255 |
| 1005 | 256 public int get(byte[] b, int offset, int length) |
| 257 { | |
| 258 int gi = getIndex(); | |
| 259 int l=length(); | |
| 260 if (l==0) | |
| 261 return -1; | |
| 262 | |
| 263 if (length>l) | |
| 264 length=l; | |
| 265 | |
| 266 length = peek(gi, b, offset, length); | |
| 267 if (length>0) | |
| 268 setGetIndex(gi + length); | |
| 269 return length; | |
| 270 } | |
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271 |
| 1005 | 272 public Buffer get(int length) |
| 273 { | |
| 274 int gi = getIndex(); | |
| 275 Buffer view = peek(gi, length); | |
| 276 setGetIndex(gi + length); | |
| 277 return view; | |
| 278 } | |
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279 |
| 1005 | 280 public final int getIndex() |
| 281 { | |
| 282 return _get; | |
| 283 } | |
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284 |
| 1005 | 285 public boolean hasContent() |
| 286 { | |
| 287 return _put > _get; | |
| 288 } | |
| 289 | |
| 290 @Override | |
| 291 public int hashCode() | |
| 292 { | |
| 293 if (_hash == 0 || _hashGet!=_get || _hashPut!=_put) | |
| 294 { | |
| 295 int get=getIndex(); | |
| 296 byte[] array = array(); | |
| 297 if (array==null) | |
| 298 { | |
| 299 for (int i = putIndex(); i-- >get;) | |
| 300 { | |
| 301 byte b = peek(i); | |
| 302 if ('a' <= b && b <= 'z') | |
| 303 b = (byte) (b - 'a' + 'A'); | |
| 304 _hash = 31 * _hash + b; | |
| 305 } | |
| 306 } | |
| 307 else | |
| 308 { | |
| 309 for (int i = putIndex(); i-- >get;) | |
| 310 { | |
| 311 byte b = array[i]; | |
| 312 if ('a' <= b && b <= 'z') | |
| 313 b = (byte) (b - 'a' + 'A'); | |
| 314 _hash = 31 * _hash + b; | |
| 315 } | |
| 316 } | |
| 317 if (_hash == 0) | |
| 318 _hash = -1; | |
| 319 _hashGet=_get; | |
| 320 _hashPut=_put; | |
| 321 | |
| 322 } | |
| 323 return _hash; | |
| 324 } | |
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325 |
| 1005 | 326 public boolean isImmutable() |
| 327 { | |
| 328 return _access <= IMMUTABLE; | |
| 329 } | |
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330 |
| 1005 | 331 public boolean isReadOnly() |
| 332 { | |
| 333 return _access <= READONLY; | |
| 334 } | |
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335 |
| 1005 | 336 public boolean isVolatile() |
| 337 { | |
| 338 return _volatile; | |
| 339 } | |
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340 |
| 1005 | 341 public int length() |
| 342 { | |
| 343 return _put - _get; | |
| 344 } | |
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345 |
| 1005 | 346 public void mark() |
| 347 { | |
| 348 setMarkIndex(_get - 1); | |
| 349 } | |
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350 |
| 1005 | 351 public void mark(int offset) |
| 352 { | |
| 353 setMarkIndex(_get + offset); | |
| 354 } | |
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355 |
| 1005 | 356 public int markIndex() |
| 357 { | |
| 358 return _mark; | |
| 359 } | |
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360 |
| 1005 | 361 public byte peek() |
| 362 { | |
| 363 return peek(_get); | |
| 364 } | |
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365 |
| 1005 | 366 public Buffer peek(int index, int length) |
| 367 { | |
| 368 if (_view == null) | |
| 369 { | |
| 370 _view = new View(this, -1, index, index + length, isReadOnly() ? READONLY : READWRITE); | |
| 371 } | |
| 372 else | |
| 373 { | |
| 374 _view.update(this.buffer()); | |
| 375 _view.setMarkIndex(-1); | |
| 376 _view.setGetIndex(0); | |
| 377 _view.setPutIndex(index + length); | |
| 378 _view.setGetIndex(index); | |
| 379 | |
| 380 } | |
| 381 return _view; | |
| 382 } | |
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383 |
| 1005 | 384 public int poke(int index, Buffer src) |
| 385 { | |
| 386 _hash=0; | |
| 387 /* | |
| 388 if (isReadOnly()) | |
| 389 throw new IllegalStateException(__READONLY); | |
| 390 if (index < 0) | |
| 391 throw new IllegalArgumentException("index<0: " + index + "<0"); | |
| 392 */ | |
| 393 | |
| 394 int length=src.length(); | |
| 395 if (index + length > capacity()) | |
| 396 { | |
| 397 length=capacity()-index; | |
| 398 /* | |
| 399 if (length<0) | |
| 400 throw new IllegalArgumentException("index>capacity(): " + index + ">" + capacity()); | |
| 401 */ | |
| 402 } | |
| 403 | |
| 404 byte[] src_array = src.array(); | |
| 405 byte[] dst_array = array(); | |
| 406 if (src_array != null && dst_array != null) | |
| 407 System.arraycopy(src_array, src.getIndex(), dst_array, index, length); | |
| 408 else if (src_array != null) | |
| 409 { | |
| 410 int s=src.getIndex(); | |
| 411 for (int i=0;i<length;i++) | |
| 412 poke(index++,src_array[s++]); | |
| 413 } | |
| 414 else if (dst_array != null) | |
| 415 { | |
| 416 int s=src.getIndex(); | |
| 417 for (int i=0;i<length;i++) | |
| 418 dst_array[index++]=src.peek(s++); | |
| 419 } | |
| 420 else | |
| 421 { | |
| 422 int s=src.getIndex(); | |
| 423 for (int i=0;i<length;i++) | |
| 424 poke(index++,src.peek(s++)); | |
| 425 } | |
| 426 | |
| 427 return length; | |
| 428 } | |
| 429 | |
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430 |
| 1005 | 431 public int poke(int index, byte[] b, int offset, int length) |
| 432 { | |
| 433 _hash=0; | |
| 434 /* | |
| 435 if (isReadOnly()) | |
| 436 throw new IllegalStateException(__READONLY); | |
| 437 if (index < 0) | |
| 438 throw new IllegalArgumentException("index<0: " + index + "<0"); | |
| 439 */ | |
| 440 if (index + length > capacity()) | |
| 441 { | |
| 442 length=capacity()-index; | |
| 443 /* if (length<0) | |
| 444 throw new IllegalArgumentException("index>capacity(): " + index + ">" + capacity()); | |
| 445 */ | |
| 446 } | |
| 447 | |
| 448 byte[] dst_array = array(); | |
| 449 if (dst_array != null) | |
| 450 System.arraycopy(b, offset, dst_array, index, length); | |
| 451 else | |
| 452 { | |
| 453 int s=offset; | |
| 454 for (int i=0;i<length;i++) | |
| 455 poke(index++,b[s++]); | |
| 456 } | |
| 457 return length; | |
| 458 } | |
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459 |
| 1005 | 460 public int put(Buffer src) |
| 461 { | |
| 462 int pi = putIndex(); | |
| 463 int l=poke(pi, src); | |
| 464 setPutIndex(pi + l); | |
| 465 return l; | |
| 466 } | |
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467 |
| 1005 | 468 public void put(byte b) |
| 469 { | |
| 470 int pi = putIndex(); | |
| 471 poke(pi, b); | |
| 472 setPutIndex(pi + 1); | |
| 473 } | |
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474 |
| 1005 | 475 public int put(byte[] b, int offset, int length) |
| 476 { | |
| 477 int pi = putIndex(); | |
| 478 int l = poke(pi, b, offset, length); | |
| 479 setPutIndex(pi + l); | |
| 480 return l; | |
| 481 } | |
| 482 | |
| 483 public int put(byte[] b) | |
| 484 { | |
| 485 int pi = putIndex(); | |
| 486 int l = poke(pi, b, 0, b.length); | |
| 487 setPutIndex(pi + l); | |
| 488 return l; | |
| 489 } | |
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490 |
| 1005 | 491 public final int putIndex() |
| 492 { | |
| 493 return _put; | |
| 494 } | |
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495 |
| 1005 | 496 public void reset() |
| 497 { | |
| 498 if (markIndex() >= 0) setGetIndex(markIndex()); | |
| 499 } | |
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500 |
| 1005 | 501 public void rewind() |
| 502 { | |
| 503 setGetIndex(0); | |
| 504 setMarkIndex(-1); | |
| 505 } | |
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506 |
| 1005 | 507 public void setGetIndex(int getIndex) |
| 508 { | |
| 509 /* bounds checking | |
| 510 if (isImmutable()) | |
| 511 throw new IllegalStateException(__IMMUTABLE); | |
| 512 if (getIndex < 0) | |
| 513 throw new IllegalArgumentException("getIndex<0: " + getIndex + "<0"); | |
| 514 if (getIndex > putIndex()) | |
| 515 throw new IllegalArgumentException("getIndex>putIndex: " + getIndex + ">" + putIndex()); | |
| 516 */ | |
| 517 _get = getIndex; | |
| 518 _hash=0; | |
| 519 } | |
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520 |
| 1005 | 521 public void setMarkIndex(int index) |
| 522 { | |
| 523 /* | |
| 524 if (index>=0 && isImmutable()) | |
| 525 throw new IllegalStateException(__IMMUTABLE); | |
| 526 */ | |
| 527 _mark = index; | |
| 528 } | |
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529 |
| 1005 | 530 public void setPutIndex(int putIndex) |
| 531 { | |
| 532 /* bounds checking | |
| 533 if (isImmutable()) | |
| 534 throw new IllegalStateException(__IMMUTABLE); | |
| 535 if (putIndex > capacity()) | |
| 536 throw new IllegalArgumentException("putIndex>capacity: " + putIndex + ">" + capacity()); | |
| 537 if (getIndex() > putIndex) | |
| 538 throw new IllegalArgumentException("getIndex>putIndex: " + getIndex() + ">" + putIndex); | |
| 539 */ | |
| 540 _put = putIndex; | |
| 541 _hash=0; | |
| 542 } | |
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543 |
| 1005 | 544 public int skip(int n) |
| 545 { | |
| 546 if (length() < n) n = length(); | |
| 547 setGetIndex(getIndex() + n); | |
| 548 return n; | |
| 549 } | |
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550 |
| 1005 | 551 public Buffer slice() |
| 552 { | |
| 553 return peek(getIndex(), length()); | |
| 554 } | |
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555 |
| 1005 | 556 public Buffer sliceFromMark() |
| 557 { | |
| 558 return sliceFromMark(getIndex() - markIndex() - 1); | |
| 559 } | |
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|
560 |
| 1005 | 561 public Buffer sliceFromMark(int length) |
| 562 { | |
| 563 if (markIndex() < 0) return null; | |
| 564 Buffer view = peek(markIndex(), length); | |
| 565 setMarkIndex(-1); | |
| 566 return view; | |
| 567 } | |
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802
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|
568 |
| 1005 | 569 public int space() |
| 570 { | |
| 571 return capacity() - _put; | |
| 572 } | |
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|
573 |
| 1005 | 574 public String toDetailString() |
| 575 { | |
| 576 StringBuilder buf = new StringBuilder(); | |
| 577 buf.append("["); | |
| 578 buf.append(super.hashCode()); | |
| 579 buf.append(","); | |
| 580 buf.append(this.buffer().hashCode()); | |
| 581 buf.append(",m="); | |
| 582 buf.append(markIndex()); | |
| 583 buf.append(",g="); | |
| 584 buf.append(getIndex()); | |
| 585 buf.append(",p="); | |
| 586 buf.append(putIndex()); | |
| 587 buf.append(",c="); | |
| 588 buf.append(capacity()); | |
| 589 buf.append("]={"); | |
| 590 if (markIndex() >= 0) | |
| 591 { | |
| 592 for (int i = markIndex(); i < getIndex(); i++) | |
| 593 { | |
| 594 byte b = peek(i); | |
| 595 TypeUtil.toHex(b,buf); | |
| 596 } | |
| 597 buf.append("}{"); | |
| 598 } | |
| 599 int count = 0; | |
| 600 for (int i = getIndex(); i < putIndex(); i++) | |
| 601 { | |
| 602 byte b = peek(i); | |
| 603 TypeUtil.toHex(b,buf); | |
| 604 if (count++ == 50) | |
| 605 { | |
| 606 if (putIndex() - i > 20) | |
| 607 { | |
| 608 buf.append(" ... "); | |
| 609 i = putIndex() - 20; | |
| 610 } | |
| 611 } | |
| 612 } | |
| 613 buf.append('}'); | |
| 614 return buf.toString(); | |
| 615 } | |
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802
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parents:
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|
616 |
| 1005 | 617 /* ------------------------------------------------------------ */ |
| 618 @Override | |
| 619 public String toString() | |
| 620 { | |
| 621 if (isImmutable()) | |
| 622 { | |
| 623 if (_string == null) | |
| 624 _string = new String(asArray(), 0, length()); | |
| 625 return _string; | |
| 626 } | |
| 627 return new String(asArray(), 0, length()); | |
| 628 } | |
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parents:
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|
629 |
| 1005 | 630 /* ------------------------------------------------------------ */ |
| 631 public String toString(String charset) | |
| 632 { | |
| 633 try | |
| 634 { | |
| 635 byte[] bytes=array(); | |
| 636 if (bytes!=null) | |
| 637 return new String(bytes,getIndex(),length(),charset); | |
| 638 return new String(asArray(), 0, length(),charset); | |
| 639 | |
| 640 } | |
| 641 catch(Exception e) | |
| 642 { | |
| 643 LOG.warn("",e); | |
| 644 return new String(asArray(), 0, length()); | |
| 645 } | |
| 646 } | |
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802
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parents:
diff
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|
647 |
| 1005 | 648 /* ------------------------------------------------------------ */ |
| 649 public String toString(Charset charset) | |
| 650 { | |
| 651 try | |
| 652 { | |
| 653 byte[] bytes=array(); | |
| 654 if (bytes!=null) | |
| 655 return new String(bytes,getIndex(),length(),charset); | |
| 656 return new String(asArray(), 0, length(),charset); | |
| 657 } | |
| 658 catch(Exception e) | |
| 659 { | |
| 660 LOG.warn("",e); | |
| 661 return new String(asArray(), 0, length()); | |
| 662 } | |
| 663 } | |
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parents:
diff
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|
664 |
| 1005 | 665 /* ------------------------------------------------------------ */ |
| 666 public String toDebugString() | |
| 667 { | |
| 668 return getClass()+"@"+super.hashCode(); | |
| 669 } | |
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|
670 |
| 1005 | 671 /* ------------------------------------------------------------ */ |
| 672 public void writeTo(OutputStream out) | |
| 673 throws IOException | |
| 674 { | |
| 675 byte[] array = array(); | |
| 676 | |
| 677 if (array!=null) | |
| 678 { | |
| 679 out.write(array,getIndex(),length()); | |
| 680 } | |
| 681 else | |
| 682 { | |
| 683 int len = this.length(); | |
| 684 byte[] buf=new byte[len>1024?1024:len]; | |
| 685 int offset=_get; | |
| 686 while (len>0) | |
| 687 { | |
| 688 int l=peek(offset,buf,0,len>buf.length?buf.length:len); | |
| 689 out.write(buf,0,l); | |
| 690 offset+=l; | |
| 691 len-=l; | |
| 692 } | |
| 693 } | |
| 694 clear(); | |
| 695 } | |
| 696 | |
| 697 /* ------------------------------------------------------------ */ | |
| 698 public int readFrom(InputStream in,int max) throws IOException | |
| 699 { | |
| 700 byte[] array = array(); | |
| 701 int s=space(); | |
| 702 if (s>max) | |
| 703 s=max; | |
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|
704 |
| 1005 | 705 if (array!=null) |
| 706 { | |
| 707 int l=in.read(array,_put,s); | |
| 708 if (l>0) | |
| 709 _put+=l; | |
| 710 return l; | |
| 711 } | |
| 712 else | |
| 713 { | |
| 714 byte[] buf=new byte[s>1024?1024:s]; | |
| 715 int total=0; | |
| 716 while (s>0) | |
| 717 { | |
| 718 int l=in.read(buf,0,buf.length); | |
| 719 if (l<0) | |
| 720 return total>0?total:-1; | |
| 721 int p=put(buf,0,l); | |
| 722 assert l==p; | |
| 723 s-=l; | |
| 724 } | |
| 725 return total; | |
| 726 } | |
| 727 } | |
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|
728 } |