J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1996-2007 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 | |
| 26 | package java.net; |
| 27 | |
| 28 | import java.io.InputStream; |
| 29 | import java.io.IOException; |
| 30 | import java.security.Permission; |
| 31 | import java.util.Date; |
| 32 | |
| 33 | /** |
| 34 | * A URLConnection with support for HTTP-specific features. See |
| 35 | * <A HREF="http://www.w3.org/pub/WWW/Protocols/"> the spec </A> for |
| 36 | * details. |
| 37 | * <p> |
| 38 | * |
| 39 | * Each HttpURLConnection instance is used to make a single request |
| 40 | * but the underlying network connection to the HTTP server may be |
| 41 | * transparently shared by other instances. Calling the close() methods |
| 42 | * on the InputStream or OutputStream of an HttpURLConnection |
| 43 | * after a request may free network resources associated with this |
| 44 | * instance but has no effect on any shared persistent connection. |
| 45 | * Calling the disconnect() method may close the underlying socket |
| 46 | * if a persistent connection is otherwise idle at that time. |
| 47 | * |
| 48 | * <P>The HTTP protocol handler has a few settings that can be accessed through |
| 49 | * System Properties. This covers |
| 50 | * <a href="doc-files/net-properties.html#Proxies">Proxy settings</a> as well as |
| 51 | * <a href="doc-files/net-properties.html#MiscHTTP"> various other settings</a>. |
| 52 | * </P> |
| 53 | * |
| 54 | * @see java.net.HttpURLConnection#disconnect() |
| 55 | * @since JDK1.1 |
| 56 | */ |
| 57 | abstract public class HttpURLConnection extends URLConnection { |
| 58 | /* instance variables */ |
| 59 | |
| 60 | /** |
| 61 | * The HTTP method (GET,POST,PUT,etc.). |
| 62 | */ |
| 63 | protected String method = "GET"; |
| 64 | |
| 65 | /** |
| 66 | * The chunk-length when using chunked encoding streaming mode for output. |
| 67 | * A value of <code>-1</code> means chunked encoding is disabled for output. |
| 68 | * @since 1.5 |
| 69 | */ |
| 70 | protected int chunkLength = -1; |
| 71 | |
| 72 | /** |
| 73 | * The fixed content-length when using fixed-length streaming mode. |
| 74 | * A value of <code>-1</code> means fixed-length streaming mode is disabled |
| 75 | * for output. |
| 76 | * @since 1.5 |
| 77 | */ |
| 78 | protected int fixedContentLength = -1; |
| 79 | |
| 80 | /** |
| 81 | * Returns the key for the <code>n</code><sup>th</sup> header field. |
| 82 | * Some implementations may treat the <code>0</code><sup>th</sup> |
| 83 | * header field as special, i.e. as the status line returned by the HTTP |
| 84 | * server. In this case, {@link #getHeaderField(int) getHeaderField(0)} returns the status |
| 85 | * line, but <code>getHeaderFieldKey(0)</code> returns null. |
| 86 | * |
| 87 | * @param n an index, where n >=0. |
| 88 | * @return the key for the <code>n</code><sup>th</sup> header field, |
| 89 | * or <code>null</code> if the key does not exist. |
| 90 | */ |
| 91 | public String getHeaderFieldKey (int n) { |
| 92 | return null; |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * This method is used to enable streaming of a HTTP request body |
| 97 | * without internal buffering, when the content length is known in |
| 98 | * advance. |
| 99 | * <p> |
| 100 | * An exception will be thrown if the application |
| 101 | * attempts to write more data than the indicated |
| 102 | * content-length, or if the application closes the OutputStream |
| 103 | * before writing the indicated amount. |
| 104 | * <p> |
| 105 | * When output streaming is enabled, authentication |
| 106 | * and redirection cannot be handled automatically. |
| 107 | * A HttpRetryException will be thrown when reading |
| 108 | * the response if authentication or redirection are required. |
| 109 | * This exception can be queried for the details of the error. |
| 110 | * <p> |
| 111 | * This method must be called before the URLConnection is connected. |
| 112 | * |
| 113 | * @param contentLength The number of bytes which will be written |
| 114 | * to the OutputStream. |
| 115 | * |
| 116 | * @throws IllegalStateException if URLConnection is already connected |
| 117 | * or if a different streaming mode is already enabled. |
| 118 | * |
| 119 | * @throws IllegalArgumentException if a content length less than |
| 120 | * zero is specified. |
| 121 | * |
| 122 | * @see #setChunkedStreamingMode(int) |
| 123 | * @since 1.5 |
| 124 | */ |
| 125 | public void setFixedLengthStreamingMode (int contentLength) { |
| 126 | if (connected) { |
| 127 | throw new IllegalStateException ("Already connected"); |
| 128 | } |
| 129 | if (chunkLength != -1) { |
| 130 | throw new IllegalStateException ("Chunked encoding streaming mode set"); |
| 131 | } |
| 132 | if (contentLength < 0) { |
| 133 | throw new IllegalArgumentException ("invalid content length"); |
| 134 | } |
| 135 | fixedContentLength = contentLength; |
| 136 | } |
| 137 | |
| 138 | /* Default chunk size (including chunk header) if not specified; |
| 139 | * we want to keep this in sync with the one defined in |
| 140 | * sun.net.www.http.ChunkedOutputStream |
| 141 | */ |
| 142 | private static final int DEFAULT_CHUNK_SIZE = 4096; |
| 143 | |
| 144 | /** |
| 145 | * This method is used to enable streaming of a HTTP request body |
| 146 | * without internal buffering, when the content length is <b>not</b> |
| 147 | * known in advance. In this mode, chunked transfer encoding |
| 148 | * is used to send the request body. Note, not all HTTP servers |
| 149 | * support this mode. |
| 150 | * <p> |
| 151 | * When output streaming is enabled, authentication |
| 152 | * and redirection cannot be handled automatically. |
| 153 | * A HttpRetryException will be thrown when reading |
| 154 | * the response if authentication or redirection are required. |
| 155 | * This exception can be queried for the details of the error. |
| 156 | * <p> |
| 157 | * This method must be called before the URLConnection is connected. |
| 158 | * |
| 159 | * @param chunklen The number of bytes to write in each chunk. |
| 160 | * If chunklen is less than or equal to zero, a default |
| 161 | * value will be used. |
| 162 | * |
| 163 | * @throws IllegalStateException if URLConnection is already connected |
| 164 | * or if a different streaming mode is already enabled. |
| 165 | * |
| 166 | * @see #setFixedLengthStreamingMode(int) |
| 167 | * @since 1.5 |
| 168 | */ |
| 169 | public void setChunkedStreamingMode (int chunklen) { |
| 170 | if (connected) { |
| 171 | throw new IllegalStateException ("Can't set streaming mode: already connected"); |
| 172 | } |
| 173 | if (fixedContentLength != -1) { |
| 174 | throw new IllegalStateException ("Fixed length streaming mode set"); |
| 175 | } |
| 176 | chunkLength = chunklen <=0? DEFAULT_CHUNK_SIZE : chunklen; |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * Returns the value for the <code>n</code><sup>th</sup> header field. |
| 181 | * Some implementations may treat the <code>0</code><sup>th</sup> |
| 182 | * header field as special, i.e. as the status line returned by the HTTP |
| 183 | * server. |
| 184 | * <p> |
| 185 | * This method can be used in conjunction with the |
| 186 | * {@link #getHeaderFieldKey getHeaderFieldKey} method to iterate through all |
| 187 | * the headers in the message. |
| 188 | * |
| 189 | * @param n an index, where n>=0. |
| 190 | * @return the value of the <code>n</code><sup>th</sup> header field, |
| 191 | * or <code>null</code> if the value does not exist. |
| 192 | * @see java.net.HttpURLConnection#getHeaderFieldKey(int) |
| 193 | */ |
| 194 | public String getHeaderField(int n) { |
| 195 | return null; |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * An <code>int</code> representing the three digit HTTP Status-Code. |
| 200 | * <ul> |
| 201 | * <li> 1xx: Informational |
| 202 | * <li> 2xx: Success |
| 203 | * <li> 3xx: Redirection |
| 204 | * <li> 4xx: Client Error |
| 205 | * <li> 5xx: Server Error |
| 206 | * </ul> |
| 207 | */ |
| 208 | protected int responseCode = -1; |
| 209 | |
| 210 | /** |
| 211 | * The HTTP response message. |
| 212 | */ |
| 213 | protected String responseMessage = null; |
| 214 | |
| 215 | /* static variables */ |
| 216 | |
| 217 | /* do we automatically follow redirects? The default is true. */ |
| 218 | private static boolean followRedirects = true; |
| 219 | |
| 220 | /** |
| 221 | * If <code>true</code>, the protocol will automatically follow redirects. |
| 222 | * If <code>false</code>, the protocol will not automatically follow |
| 223 | * redirects. |
| 224 | * <p> |
| 225 | * This field is set by the <code>setInstanceFollowRedirects</code> |
| 226 | * method. Its value is returned by the <code>getInstanceFollowRedirects</code> |
| 227 | * method. |
| 228 | * <p> |
| 229 | * Its default value is based on the value of the static followRedirects |
| 230 | * at HttpURLConnection construction time. |
| 231 | * |
| 232 | * @see java.net.HttpURLConnection#setInstanceFollowRedirects(boolean) |
| 233 | * @see java.net.HttpURLConnection#getInstanceFollowRedirects() |
| 234 | * @see java.net.HttpURLConnection#setFollowRedirects(boolean) |
| 235 | */ |
| 236 | protected boolean instanceFollowRedirects = followRedirects; |
| 237 | |
| 238 | /* valid HTTP methods */ |
| 239 | private static final String[] methods = { |
| 240 | "GET", "POST", "HEAD", "OPTIONS", "PUT", "DELETE", "TRACE" |
| 241 | }; |
| 242 | |
| 243 | /** |
| 244 | * Constructor for the HttpURLConnection. |
| 245 | * @param u the URL |
| 246 | */ |
| 247 | protected HttpURLConnection (URL u) { |
| 248 | super(u); |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Sets whether HTTP redirects (requests with response code 3xx) should |
| 253 | * be automatically followed by this class. True by default. Applets |
| 254 | * cannot change this variable. |
| 255 | * <p> |
| 256 | * If there is a security manager, this method first calls |
| 257 | * the security manager's <code>checkSetFactory</code> method |
| 258 | * to ensure the operation is allowed. |
| 259 | * This could result in a SecurityException. |
| 260 | * |
| 261 | * @param set a <code>boolean</code> indicating whether or not |
| 262 | * to follow HTTP redirects. |
| 263 | * @exception SecurityException if a security manager exists and its |
| 264 | * <code>checkSetFactory</code> method doesn't |
| 265 | * allow the operation. |
| 266 | * @see SecurityManager#checkSetFactory |
| 267 | * @see #getFollowRedirects() |
| 268 | */ |
| 269 | public static void setFollowRedirects(boolean set) { |
| 270 | SecurityManager sec = System.getSecurityManager(); |
| 271 | if (sec != null) { |
| 272 | // seems to be the best check here... |
| 273 | sec.checkSetFactory(); |
| 274 | } |
| 275 | followRedirects = set; |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Returns a <code>boolean</code> indicating |
| 280 | * whether or not HTTP redirects (3xx) should |
| 281 | * be automatically followed. |
| 282 | * |
| 283 | * @return <code>true</code> if HTTP redirects should |
| 284 | * be automatically followed, <tt>false</tt> if not. |
| 285 | * @see #setFollowRedirects(boolean) |
| 286 | */ |
| 287 | public static boolean getFollowRedirects() { |
| 288 | return followRedirects; |
| 289 | } |
| 290 | |
| 291 | /** |
| 292 | * Sets whether HTTP redirects (requests with response code 3xx) should |
| 293 | * be automatically followed by this <code>HttpURLConnection</code> |
| 294 | * instance. |
| 295 | * <p> |
| 296 | * The default value comes from followRedirects, which defaults to |
| 297 | * true. |
| 298 | * |
| 299 | * @param followRedirects a <code>boolean</code> indicating |
| 300 | * whether or not to follow HTTP redirects. |
| 301 | * |
| 302 | * @see java.net.HttpURLConnection#instanceFollowRedirects |
| 303 | * @see #getInstanceFollowRedirects |
| 304 | * @since 1.3 |
| 305 | */ |
| 306 | public void setInstanceFollowRedirects(boolean followRedirects) { |
| 307 | instanceFollowRedirects = followRedirects; |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * Returns the value of this <code>HttpURLConnection</code>'s |
| 312 | * <code>instanceFollowRedirects</code> field. |
| 313 | * |
| 314 | * @return the value of this <code>HttpURLConnection</code>'s |
| 315 | * <code>instanceFollowRedirects</code> field. |
| 316 | * @see java.net.HttpURLConnection#instanceFollowRedirects |
| 317 | * @see #setInstanceFollowRedirects(boolean) |
| 318 | * @since 1.3 |
| 319 | */ |
| 320 | public boolean getInstanceFollowRedirects() { |
| 321 | return instanceFollowRedirects; |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Set the method for the URL request, one of: |
| 326 | * <UL> |
| 327 | * <LI>GET |
| 328 | * <LI>POST |
| 329 | * <LI>HEAD |
| 330 | * <LI>OPTIONS |
| 331 | * <LI>PUT |
| 332 | * <LI>DELETE |
| 333 | * <LI>TRACE |
| 334 | * </UL> are legal, subject to protocol restrictions. The default |
| 335 | * method is GET. |
| 336 | * |
| 337 | * @param method the HTTP method |
| 338 | * @exception ProtocolException if the method cannot be reset or if |
| 339 | * the requested method isn't valid for HTTP. |
| 340 | * @see #getRequestMethod() |
| 341 | */ |
| 342 | public void setRequestMethod(String method) throws ProtocolException { |
| 343 | if (connected) { |
| 344 | throw new ProtocolException("Can't reset method: already connected"); |
| 345 | } |
| 346 | // This restriction will prevent people from using this class to |
| 347 | // experiment w/ new HTTP methods using java. But it should |
| 348 | // be placed for security - the request String could be |
| 349 | // arbitrarily long. |
| 350 | |
| 351 | for (int i = 0; i < methods.length; i++) { |
| 352 | if (methods[i].equals(method)) { |
| 353 | this.method = method; |
| 354 | return; |
| 355 | } |
| 356 | } |
| 357 | throw new ProtocolException("Invalid HTTP method: " + method); |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * Get the request method. |
| 362 | * @return the HTTP request method |
| 363 | * @see #setRequestMethod(java.lang.String) |
| 364 | */ |
| 365 | public String getRequestMethod() { |
| 366 | return method; |
| 367 | } |
| 368 | |
| 369 | /** |
| 370 | * Gets the status code from an HTTP response message. |
| 371 | * For example, in the case of the following status lines: |
| 372 | * <PRE> |
| 373 | * HTTP/1.0 200 OK |
| 374 | * HTTP/1.0 401 Unauthorized |
| 375 | * </PRE> |
| 376 | * It will return 200 and 401 respectively. |
| 377 | * Returns -1 if no code can be discerned |
| 378 | * from the response (i.e., the response is not valid HTTP). |
| 379 | * @throws IOException if an error occurred connecting to the server. |
| 380 | * @return the HTTP Status-Code, or -1 |
| 381 | */ |
| 382 | public int getResponseCode() throws IOException { |
| 383 | /* |
| 384 | * We're got the response code already |
| 385 | */ |
| 386 | if (responseCode != -1) { |
| 387 | return responseCode; |
| 388 | } |
| 389 | |
| 390 | /* |
| 391 | * Ensure that we have connected to the server. Record |
| 392 | * exception as we need to re-throw it if there isn't |
| 393 | * a status line. |
| 394 | */ |
| 395 | Exception exc = null; |
| 396 | try { |
| 397 | getInputStream(); |
| 398 | } catch (Exception e) { |
| 399 | exc = e; |
| 400 | } |
| 401 | |
| 402 | /* |
| 403 | * If we can't a status-line then re-throw any exception |
| 404 | * that getInputStream threw. |
| 405 | */ |
| 406 | String statusLine = getHeaderField(0); |
| 407 | if (statusLine == null) { |
| 408 | if (exc != null) { |
| 409 | if (exc instanceof RuntimeException) |
| 410 | throw (RuntimeException)exc; |
| 411 | else |
| 412 | throw (IOException)exc; |
| 413 | } |
| 414 | return -1; |
| 415 | } |
| 416 | |
| 417 | /* |
| 418 | * Examine the status-line - should be formatted as per |
| 419 | * section 6.1 of RFC 2616 :- |
| 420 | * |
| 421 | * Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase |
| 422 | * |
| 423 | * If status line can't be parsed return -1. |
| 424 | */ |
| 425 | if (statusLine.startsWith("HTTP/1.")) { |
| 426 | int codePos = statusLine.indexOf(' '); |
| 427 | if (codePos > 0) { |
| 428 | |
| 429 | int phrasePos = statusLine.indexOf(' ', codePos+1); |
| 430 | if (phrasePos > 0 && phrasePos < statusLine.length()) { |
| 431 | responseMessage = statusLine.substring(phrasePos+1); |
| 432 | } |
| 433 | |
| 434 | // deviation from RFC 2616 - don't reject status line |
| 435 | // if SP Reason-Phrase is not included. |
| 436 | if (phrasePos < 0) |
| 437 | phrasePos = statusLine.length(); |
| 438 | |
| 439 | try { |
| 440 | responseCode = Integer.parseInt |
| 441 | (statusLine.substring(codePos+1, phrasePos)); |
| 442 | return responseCode; |
| 443 | } catch (NumberFormatException e) { } |
| 444 | } |
| 445 | } |
| 446 | return -1; |
| 447 | } |
| 448 | |
| 449 | /** |
| 450 | * Gets the HTTP response message, if any, returned along with the |
| 451 | * response code from a server. From responses like: |
| 452 | * <PRE> |
| 453 | * HTTP/1.0 200 OK |
| 454 | * HTTP/1.0 404 Not Found |
| 455 | * </PRE> |
| 456 | * Extracts the Strings "OK" and "Not Found" respectively. |
| 457 | * Returns null if none could be discerned from the responses |
| 458 | * (the result was not valid HTTP). |
| 459 | * @throws IOException if an error occurred connecting to the server. |
| 460 | * @return the HTTP response message, or <code>null</code> |
| 461 | */ |
| 462 | public String getResponseMessage() throws IOException { |
| 463 | getResponseCode(); |
| 464 | return responseMessage; |
| 465 | } |
| 466 | |
| 467 | public long getHeaderFieldDate(String name, long Default) { |
| 468 | String dateString = getHeaderField(name); |
| 469 | try { |
| 470 | if (dateString.indexOf("GMT") == -1) { |
| 471 | dateString = dateString+" GMT"; |
| 472 | } |
| 473 | return Date.parse(dateString); |
| 474 | } catch (Exception e) { |
| 475 | } |
| 476 | return Default; |
| 477 | } |
| 478 | |
| 479 | |
| 480 | /** |
| 481 | * Indicates that other requests to the server |
| 482 | * are unlikely in the near future. Calling disconnect() |
| 483 | * should not imply that this HttpURLConnection |
| 484 | * instance can be reused for other requests. |
| 485 | */ |
| 486 | public abstract void disconnect(); |
| 487 | |
| 488 | /** |
| 489 | * Indicates if the connection is going through a proxy. |
| 490 | * @return a boolean indicating if the connection is |
| 491 | * using a proxy. |
| 492 | */ |
| 493 | public abstract boolean usingProxy(); |
| 494 | |
| 495 | /** |
| 496 | * Returns a {@link SocketPermission} object representing the |
| 497 | * permission necessary to connect to the destination host and port. |
| 498 | * |
| 499 | * @exception IOException if an error occurs while computing |
| 500 | * the permission. |
| 501 | * |
| 502 | * @return a <code>SocketPermission</code> object representing the |
| 503 | * permission necessary to connect to the destination |
| 504 | * host and port. |
| 505 | */ |
| 506 | public Permission getPermission() throws IOException { |
| 507 | int port = url.getPort(); |
| 508 | port = port < 0 ? 80 : port; |
| 509 | String host = url.getHost() + ":" + port; |
| 510 | Permission permission = new SocketPermission(host, "connect"); |
| 511 | return permission; |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * Returns the error stream if the connection failed |
| 516 | * but the server sent useful data nonetheless. The |
| 517 | * typical example is when an HTTP server responds |
| 518 | * with a 404, which will cause a FileNotFoundException |
| 519 | * to be thrown in connect, but the server sent an HTML |
| 520 | * help page with suggestions as to what to do. |
| 521 | * |
| 522 | * <p>This method will not cause a connection to be initiated. If |
| 523 | * the connection was not connected, or if the server did not have |
| 524 | * an error while connecting or if the server had an error but |
| 525 | * no error data was sent, this method will return null. This is |
| 526 | * the default. |
| 527 | * |
| 528 | * @return an error stream if any, null if there have been no |
| 529 | * errors, the connection is not connected or the server sent no |
| 530 | * useful data. |
| 531 | */ |
| 532 | public InputStream getErrorStream() { |
| 533 | return null; |
| 534 | } |
| 535 | |
| 536 | /** |
| 537 | * The response codes for HTTP, as of version 1.1. |
| 538 | */ |
| 539 | |
| 540 | // REMIND: do we want all these?? |
| 541 | // Others not here that we do want?? |
| 542 | |
| 543 | /* 2XX: generally "OK" */ |
| 544 | |
| 545 | /** |
| 546 | * HTTP Status-Code 200: OK. |
| 547 | */ |
| 548 | public static final int HTTP_OK = 200; |
| 549 | |
| 550 | /** |
| 551 | * HTTP Status-Code 201: Created. |
| 552 | */ |
| 553 | public static final int HTTP_CREATED = 201; |
| 554 | |
| 555 | /** |
| 556 | * HTTP Status-Code 202: Accepted. |
| 557 | */ |
| 558 | public static final int HTTP_ACCEPTED = 202; |
| 559 | |
| 560 | /** |
| 561 | * HTTP Status-Code 203: Non-Authoritative Information. |
| 562 | */ |
| 563 | public static final int HTTP_NOT_AUTHORITATIVE = 203; |
| 564 | |
| 565 | /** |
| 566 | * HTTP Status-Code 204: No Content. |
| 567 | */ |
| 568 | public static final int HTTP_NO_CONTENT = 204; |
| 569 | |
| 570 | /** |
| 571 | * HTTP Status-Code 205: Reset Content. |
| 572 | */ |
| 573 | public static final int HTTP_RESET = 205; |
| 574 | |
| 575 | /** |
| 576 | * HTTP Status-Code 206: Partial Content. |
| 577 | */ |
| 578 | public static final int HTTP_PARTIAL = 206; |
| 579 | |
| 580 | /* 3XX: relocation/redirect */ |
| 581 | |
| 582 | /** |
| 583 | * HTTP Status-Code 300: Multiple Choices. |
| 584 | */ |
| 585 | public static final int HTTP_MULT_CHOICE = 300; |
| 586 | |
| 587 | /** |
| 588 | * HTTP Status-Code 301: Moved Permanently. |
| 589 | */ |
| 590 | public static final int HTTP_MOVED_PERM = 301; |
| 591 | |
| 592 | /** |
| 593 | * HTTP Status-Code 302: Temporary Redirect. |
| 594 | */ |
| 595 | public static final int HTTP_MOVED_TEMP = 302; |
| 596 | |
| 597 | /** |
| 598 | * HTTP Status-Code 303: See Other. |
| 599 | */ |
| 600 | public static final int HTTP_SEE_OTHER = 303; |
| 601 | |
| 602 | /** |
| 603 | * HTTP Status-Code 304: Not Modified. |
| 604 | */ |
| 605 | public static final int HTTP_NOT_MODIFIED = 304; |
| 606 | |
| 607 | /** |
| 608 | * HTTP Status-Code 305: Use Proxy. |
| 609 | */ |
| 610 | public static final int HTTP_USE_PROXY = 305; |
| 611 | |
| 612 | /* 4XX: client error */ |
| 613 | |
| 614 | /** |
| 615 | * HTTP Status-Code 400: Bad Request. |
| 616 | */ |
| 617 | public static final int HTTP_BAD_REQUEST = 400; |
| 618 | |
| 619 | /** |
| 620 | * HTTP Status-Code 401: Unauthorized. |
| 621 | */ |
| 622 | public static final int HTTP_UNAUTHORIZED = 401; |
| 623 | |
| 624 | /** |
| 625 | * HTTP Status-Code 402: Payment Required. |
| 626 | */ |
| 627 | public static final int HTTP_PAYMENT_REQUIRED = 402; |
| 628 | |
| 629 | /** |
| 630 | * HTTP Status-Code 403: Forbidden. |
| 631 | */ |
| 632 | public static final int HTTP_FORBIDDEN = 403; |
| 633 | |
| 634 | /** |
| 635 | * HTTP Status-Code 404: Not Found. |
| 636 | */ |
| 637 | public static final int HTTP_NOT_FOUND = 404; |
| 638 | |
| 639 | /** |
| 640 | * HTTP Status-Code 405: Method Not Allowed. |
| 641 | */ |
| 642 | public static final int HTTP_BAD_METHOD = 405; |
| 643 | |
| 644 | /** |
| 645 | * HTTP Status-Code 406: Not Acceptable. |
| 646 | */ |
| 647 | public static final int HTTP_NOT_ACCEPTABLE = 406; |
| 648 | |
| 649 | /** |
| 650 | * HTTP Status-Code 407: Proxy Authentication Required. |
| 651 | */ |
| 652 | public static final int HTTP_PROXY_AUTH = 407; |
| 653 | |
| 654 | /** |
| 655 | * HTTP Status-Code 408: Request Time-Out. |
| 656 | */ |
| 657 | public static final int HTTP_CLIENT_TIMEOUT = 408; |
| 658 | |
| 659 | /** |
| 660 | * HTTP Status-Code 409: Conflict. |
| 661 | */ |
| 662 | public static final int HTTP_CONFLICT = 409; |
| 663 | |
| 664 | /** |
| 665 | * HTTP Status-Code 410: Gone. |
| 666 | */ |
| 667 | public static final int HTTP_GONE = 410; |
| 668 | |
| 669 | /** |
| 670 | * HTTP Status-Code 411: Length Required. |
| 671 | */ |
| 672 | public static final int HTTP_LENGTH_REQUIRED = 411; |
| 673 | |
| 674 | /** |
| 675 | * HTTP Status-Code 412: Precondition Failed. |
| 676 | */ |
| 677 | public static final int HTTP_PRECON_FAILED = 412; |
| 678 | |
| 679 | /** |
| 680 | * HTTP Status-Code 413: Request Entity Too Large. |
| 681 | */ |
| 682 | public static final int HTTP_ENTITY_TOO_LARGE = 413; |
| 683 | |
| 684 | /** |
| 685 | * HTTP Status-Code 414: Request-URI Too Large. |
| 686 | */ |
| 687 | public static final int HTTP_REQ_TOO_LONG = 414; |
| 688 | |
| 689 | /** |
| 690 | * HTTP Status-Code 415: Unsupported Media Type. |
| 691 | */ |
| 692 | public static final int HTTP_UNSUPPORTED_TYPE = 415; |
| 693 | |
| 694 | /* 5XX: server error */ |
| 695 | |
| 696 | /** |
| 697 | * HTTP Status-Code 500: Internal Server Error. |
| 698 | * @deprecated it is misplaced and shouldn't have existed. |
| 699 | */ |
| 700 | @Deprecated |
| 701 | public static final int HTTP_SERVER_ERROR = 500; |
| 702 | |
| 703 | /** |
| 704 | * HTTP Status-Code 500: Internal Server Error. |
| 705 | */ |
| 706 | public static final int HTTP_INTERNAL_ERROR = 500; |
| 707 | |
| 708 | /** |
| 709 | * HTTP Status-Code 501: Not Implemented. |
| 710 | */ |
| 711 | public static final int HTTP_NOT_IMPLEMENTED = 501; |
| 712 | |
| 713 | /** |
| 714 | * HTTP Status-Code 502: Bad Gateway. |
| 715 | */ |
| 716 | public static final int HTTP_BAD_GATEWAY = 502; |
| 717 | |
| 718 | /** |
| 719 | * HTTP Status-Code 503: Service Unavailable. |
| 720 | */ |
| 721 | public static final int HTTP_UNAVAILABLE = 503; |
| 722 | |
| 723 | /** |
| 724 | * HTTP Status-Code 504: Gateway Timeout. |
| 725 | */ |
| 726 | public static final int HTTP_GATEWAY_TIMEOUT = 504; |
| 727 | |
| 728 | /** |
| 729 | * HTTP Status-Code 505: HTTP Version Not Supported. |
| 730 | */ |
| 731 | public static final int HTTP_VERSION = 505; |
| 732 | |
| 733 | } |