Mercurial Hosting > luan
annotate src/org/eclipse/jetty/http/HttpFields.java @ 983:23ec25435b8c
simplify AbstractGenerator
| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Sun, 16 Oct 2016 22:58:41 -0600 |
| parents | fa6158f29c45 |
| children | f126d30e04a4 |
| 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.http; |
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20 |
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21 import java.io.IOException; |
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22 import java.io.UnsupportedEncodingException; |
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23 import java.text.SimpleDateFormat; |
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24 import java.util.ArrayList; |
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25 import java.util.Calendar; |
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26 import java.util.Collections; |
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27 import java.util.Collection; |
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28 import java.util.Date; |
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29 import java.util.Enumeration; |
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30 import java.util.GregorianCalendar; |
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31 import java.util.HashMap; |
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32 import java.util.Iterator; |
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33 import java.util.List; |
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34 import java.util.Locale; |
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35 import java.util.Map; |
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36 import java.util.NoSuchElementException; |
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37 import java.util.StringTokenizer; |
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38 import java.util.TimeZone; |
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39 import java.util.concurrent.ConcurrentHashMap; |
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40 import java.util.concurrent.ConcurrentMap; |
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41 |
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42 import org.eclipse.jetty.io.Buffer; |
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43 import org.eclipse.jetty.io.BufferCache; |
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44 import org.eclipse.jetty.io.BufferCache.CachedBuffer; |
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45 import org.eclipse.jetty.io.BufferUtil; |
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46 import org.eclipse.jetty.io.ByteArrayBuffer; |
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47 import org.eclipse.jetty.util.LazyList; |
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48 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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49 import org.eclipse.jetty.util.StringUtil; |
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50 import org.slf4j.Logger; |
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51 import org.slf4j.LoggerFactory; |
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52 |
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53 /* ------------------------------------------------------------ */ |
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54 /** |
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55 * HTTP Fields. A collection of HTTP header and or Trailer fields. |
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56 * |
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57 * <p>This class is not synchronized as it is expected that modifications will only be performed by a |
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58 * single thread. |
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59 * |
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60 * |
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61 */ |
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62 public class HttpFields |
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63 { |
| 831 | 64 private static final Logger LOG = LoggerFactory.getLogger(HttpFields.class); |
| 65 | |
| 66 /* ------------------------------------------------------------ */ | |
| 67 public static final String __COOKIE_DELIM="\"\\\n\r\t\f\b%+ ;="; | |
| 68 public static final TimeZone __GMT = TimeZone.getTimeZone("GMT"); | |
| 69 | |
| 70 /* ------------------------------------------------------------ */ | |
| 71 private static final String[] DAYS = | |
| 72 { "Sat", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
| 73 private static final String[] MONTHS = | |
| 74 { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", "Jan"}; | |
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75 |
| 831 | 76 |
| 77 /* ------------------------------------------------------------ */ | |
| 78 private static class DateGenerator | |
| 79 { | |
| 80 private final StringBuilder buf = new StringBuilder(32); | |
| 81 private final GregorianCalendar gc = new GregorianCalendar(__GMT); | |
| 82 | |
| 83 /** | |
| 84 * Format HTTP date "EEE, dd MMM yyyy HH:mm:ss 'GMT'" | |
| 85 */ | |
| 86 public String formatDate(long date) | |
| 87 { | |
| 88 buf.setLength(0); | |
| 89 gc.setTimeInMillis(date); | |
| 90 | |
| 91 int day_of_week = gc.get(Calendar.DAY_OF_WEEK); | |
| 92 int day_of_month = gc.get(Calendar.DAY_OF_MONTH); | |
| 93 int month = gc.get(Calendar.MONTH); | |
| 94 int year = gc.get(Calendar.YEAR); | |
| 95 int century = year / 100; | |
| 96 year = year % 100; | |
| 97 | |
| 98 int hours = gc.get(Calendar.HOUR_OF_DAY); | |
| 99 int minutes = gc.get(Calendar.MINUTE); | |
| 100 int seconds = gc.get(Calendar.SECOND); | |
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101 |
| 831 | 102 buf.append(DAYS[day_of_week]); |
| 103 buf.append(','); | |
| 104 buf.append(' '); | |
| 105 StringUtil.append2digits(buf, day_of_month); | |
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106 |
| 831 | 107 buf.append(' '); |
| 108 buf.append(MONTHS[month]); | |
| 109 buf.append(' '); | |
| 110 StringUtil.append2digits(buf, century); | |
| 111 StringUtil.append2digits(buf, year); | |
| 112 | |
| 113 buf.append(' '); | |
| 114 StringUtil.append2digits(buf, hours); | |
| 115 buf.append(':'); | |
| 116 StringUtil.append2digits(buf, minutes); | |
| 117 buf.append(':'); | |
| 118 StringUtil.append2digits(buf, seconds); | |
| 119 buf.append(" GMT"); | |
| 120 return buf.toString(); | |
| 121 } | |
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122 |
| 831 | 123 /* ------------------------------------------------------------ */ |
| 124 /** | |
| 125 * Format "EEE, dd-MMM-yy HH:mm:ss 'GMT'" for cookies | |
| 126 */ | |
| 127 public void formatCookieDate(StringBuilder buf, long date) | |
| 128 { | |
| 129 gc.setTimeInMillis(date); | |
| 130 | |
| 131 int day_of_week = gc.get(Calendar.DAY_OF_WEEK); | |
| 132 int day_of_month = gc.get(Calendar.DAY_OF_MONTH); | |
| 133 int month = gc.get(Calendar.MONTH); | |
| 134 int year = gc.get(Calendar.YEAR); | |
| 135 year = year % 10000; | |
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136 |
| 831 | 137 int epoch = (int) ((date / 1000) % (60 * 60 * 24)); |
| 138 int seconds = epoch % 60; | |
| 139 epoch = epoch / 60; | |
| 140 int minutes = epoch % 60; | |
| 141 int hours = epoch / 60; | |
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142 |
| 831 | 143 buf.append(DAYS[day_of_week]); |
| 144 buf.append(','); | |
| 145 buf.append(' '); | |
| 146 StringUtil.append2digits(buf, day_of_month); | |
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147 |
| 831 | 148 buf.append('-'); |
| 149 buf.append(MONTHS[month]); | |
| 150 buf.append('-'); | |
| 151 StringUtil.append2digits(buf, year/100); | |
| 152 StringUtil.append2digits(buf, year%100); | |
| 153 | |
| 154 buf.append(' '); | |
| 155 StringUtil.append2digits(buf, hours); | |
| 156 buf.append(':'); | |
| 157 StringUtil.append2digits(buf, minutes); | |
| 158 buf.append(':'); | |
| 159 StringUtil.append2digits(buf, seconds); | |
| 160 buf.append(" GMT"); | |
| 161 } | |
| 162 } | |
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163 |
| 831 | 164 /* ------------------------------------------------------------ */ |
| 165 private static final ThreadLocal<DateGenerator> __dateGenerator =new ThreadLocal<DateGenerator>() | |
| 166 { | |
| 167 @Override | |
| 168 protected DateGenerator initialValue() | |
| 169 { | |
| 170 return new DateGenerator(); | |
| 171 } | |
| 172 }; | |
| 173 | |
| 174 /* ------------------------------------------------------------ */ | |
| 175 /** | |
| 176 * Format HTTP date "EEE, dd MMM yyyy HH:mm:ss 'GMT'" | |
| 177 */ | |
| 178 public static String formatDate(long date) | |
| 179 { | |
| 180 return __dateGenerator.get().formatDate(date); | |
| 181 } | |
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182 |
| 831 | 183 /* ------------------------------------------------------------ */ |
| 184 /** | |
| 185 * Format "EEE, dd-MMM-yyyy HH:mm:ss 'GMT'" for cookies | |
| 186 */ | |
| 187 public static void formatCookieDate(StringBuilder buf, long date) | |
| 188 { | |
| 189 __dateGenerator.get().formatCookieDate(buf,date); | |
| 190 } | |
| 191 | |
| 192 /* ------------------------------------------------------------ */ | |
| 193 /** | |
| 194 * Format "EEE, dd-MMM-yyyy HH:mm:ss 'GMT'" for cookies | |
| 195 */ | |
| 196 public static String formatCookieDate(long date) | |
| 197 { | |
| 198 StringBuilder buf = new StringBuilder(28); | |
| 199 formatCookieDate(buf, date); | |
| 200 return buf.toString(); | |
| 201 } | |
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202 |
| 831 | 203 /* ------------------------------------------------------------ */ |
| 204 private final static String __dateReceiveFmt[] = | |
| 205 { | |
| 206 "EEE, dd MMM yyyy HH:mm:ss zzz", | |
| 207 "EEE, dd-MMM-yy HH:mm:ss", | |
| 208 "EEE MMM dd HH:mm:ss yyyy", | |
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209 |
| 831 | 210 "EEE, dd MMM yyyy HH:mm:ss", "EEE dd MMM yyyy HH:mm:ss zzz", |
| 211 "EEE dd MMM yyyy HH:mm:ss", "EEE MMM dd yyyy HH:mm:ss zzz", "EEE MMM dd yyyy HH:mm:ss", | |
| 212 "EEE MMM-dd-yyyy HH:mm:ss zzz", "EEE MMM-dd-yyyy HH:mm:ss", "dd MMM yyyy HH:mm:ss zzz", | |
| 213 "dd MMM yyyy HH:mm:ss", "dd-MMM-yy HH:mm:ss zzz", "dd-MMM-yy HH:mm:ss", "MMM dd HH:mm:ss yyyy zzz", | |
| 214 "MMM dd HH:mm:ss yyyy", "EEE MMM dd HH:mm:ss yyyy zzz", | |
| 215 "EEE, MMM dd HH:mm:ss yyyy zzz", "EEE, MMM dd HH:mm:ss yyyy", "EEE, dd-MMM-yy HH:mm:ss zzz", | |
| 216 "EEE dd-MMM-yy HH:mm:ss zzz", "EEE dd-MMM-yy HH:mm:ss", | |
| 217 }; | |
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218 |
| 831 | 219 /* ------------------------------------------------------------ */ |
| 220 private static class DateParser | |
| 221 { | |
| 222 final SimpleDateFormat _dateReceive[]= new SimpleDateFormat[__dateReceiveFmt.length]; | |
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223 |
| 831 | 224 long parse(final String dateVal) |
| 225 { | |
| 226 for (int i = 0; i < _dateReceive.length; i++) | |
| 227 { | |
| 228 if (_dateReceive[i] == null) | |
| 229 { | |
| 230 _dateReceive[i] = new SimpleDateFormat(__dateReceiveFmt[i], Locale.US); | |
| 231 _dateReceive[i].setTimeZone(__GMT); | |
| 232 } | |
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233 |
| 831 | 234 try |
| 235 { | |
| 236 Date date = (Date) _dateReceive[i].parseObject(dateVal); | |
| 237 return date.getTime(); | |
| 238 } | |
| 239 catch (java.lang.Exception e) | |
| 240 { | |
| 241 // LOG.ignore(e); | |
| 242 } | |
| 243 } | |
| 244 | |
| 245 if (dateVal.endsWith(" GMT")) | |
| 246 { | |
| 247 final String val = dateVal.substring(0, dateVal.length() - 4); | |
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248 |
| 831 | 249 for (int i = 0; i < _dateReceive.length; i++) |
| 250 { | |
| 251 try | |
| 252 { | |
| 253 Date date = (Date) _dateReceive[i].parseObject(val); | |
| 254 return date.getTime(); | |
| 255 } | |
| 256 catch (java.lang.Exception e) | |
| 257 { | |
| 258 // LOG.ignore(e); | |
| 259 } | |
| 260 } | |
| 261 } | |
| 262 return -1; | |
| 263 } | |
| 264 } | |
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265 |
| 831 | 266 /* ------------------------------------------------------------ */ |
| 267 public static long parseDate(String date) | |
| 268 { | |
| 269 return __dateParser.get().parse(date); | |
| 270 } | |
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271 |
| 831 | 272 /* ------------------------------------------------------------ */ |
| 273 private static final ThreadLocal<DateParser> __dateParser =new ThreadLocal<DateParser>() | |
| 274 { | |
| 275 @Override | |
| 276 protected DateParser initialValue() | |
| 277 { | |
| 278 return new DateParser(); | |
| 279 } | |
| 280 }; | |
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281 |
| 831 | 282 /* -------------------------------------------------------------- */ |
| 283 public final static String __01Jan1970=formatDate(0); | |
| 284 public final static Buffer __01Jan1970_BUFFER=new ByteArrayBuffer(__01Jan1970); | |
| 285 public final static String __01Jan1970_COOKIE = formatCookieDate(0).trim(); | |
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286 |
| 831 | 287 /* -------------------------------------------------------------- */ |
| 288 private final ArrayList<Field> _fields = new ArrayList<Field>(20); | |
| 289 private final HashMap<Buffer,Field> _names = new HashMap<Buffer,Field>(32); | |
| 290 | |
| 291 /* ------------------------------------------------------------ */ | |
| 292 /** | |
| 293 * Constructor. | |
| 294 */ | |
| 295 public HttpFields() | |
| 296 { | |
| 297 } | |
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298 |
| 831 | 299 // TODO externalize this cache so it can be configurable |
| 300 private static ConcurrentMap<String, Buffer> __cache = new ConcurrentHashMap<String, Buffer>(); | |
| 301 private static int __cacheSize = Integer.getInteger("org.eclipse.jetty.http.HttpFields.CACHE",2000); | |
| 302 | |
| 303 /* -------------------------------------------------------------- */ | |
| 304 private Buffer convertValue(String value) | |
| 305 { | |
| 306 Buffer buffer = __cache.get(value); | |
| 307 if (buffer!=null) | |
| 308 return buffer; | |
| 309 | |
| 310 try | |
| 311 { | |
| 312 buffer = new ByteArrayBuffer(value,StringUtil.__ISO_8859_1); | |
| 313 | |
| 314 if (__cacheSize>0) | |
| 315 { | |
| 316 if (__cache.size()>__cacheSize) | |
| 317 __cache.clear(); | |
| 318 Buffer b=__cache.putIfAbsent(value,buffer); | |
| 319 if (b!=null) | |
| 320 buffer=b; | |
| 321 } | |
| 322 | |
| 323 return buffer; | |
| 324 } | |
| 325 catch (UnsupportedEncodingException e) | |
| 326 { | |
| 327 throw new RuntimeException(e); | |
| 328 } | |
| 329 } | |
| 330 | |
| 331 /* -------------------------------------------------------------- */ | |
| 332 /** | |
| 333 * Get Collection of header names. | |
| 334 */ | |
| 335 public Collection<String> getFieldNamesCollection() | |
| 336 { | |
| 337 final List<String> list = new ArrayList<String>(_fields.size()); | |
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338 |
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339 for (Field f : _fields) |
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340 { |
| 831 | 341 if (f!=null) |
| 342 list.add(BufferUtil.to8859_1_String(f._name)); | |
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343 } |
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344 return list; |
| 831 | 345 } |
| 346 | |
| 347 /* -------------------------------------------------------------- */ | |
| 348 /** | |
| 349 * Get enumeration of header _names. Returns an enumeration of strings representing the header | |
| 350 * _names for this request. | |
| 351 */ | |
| 352 public Enumeration<String> getFieldNames() | |
| 353 { | |
| 354 final Enumeration<?> buffers = Collections.enumeration(_names.keySet()); | |
| 355 return new Enumeration<String>() | |
| 356 { | |
| 357 public String nextElement() | |
| 358 { | |
| 359 return buffers.nextElement().toString(); | |
| 360 } | |
| 361 | |
| 362 public boolean hasMoreElements() | |
| 363 { | |
| 364 return buffers.hasMoreElements(); | |
| 365 } | |
| 366 }; | |
| 367 } | |
| 368 | |
| 369 /* ------------------------------------------------------------ */ | |
| 370 public int size() | |
| 371 { | |
| 372 return _fields.size(); | |
| 373 } | |
| 374 | |
| 375 /* ------------------------------------------------------------ */ | |
| 376 /** | |
| 377 * Get a Field by index. | |
| 378 * @return A Field value or null if the Field value has not been set | |
| 379 * | |
| 380 */ | |
| 381 public Field getField(int i) | |
| 382 { | |
| 383 return _fields.get(i); | |
| 384 } | |
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385 |
| 831 | 386 /* ------------------------------------------------------------ */ |
| 387 private Field getField(String name) | |
| 388 { | |
| 389 return _names.get(HttpHeaders.CACHE.lookup(name)); | |
| 390 } | |
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391 |
| 831 | 392 /* ------------------------------------------------------------ */ |
| 393 private Field getField(Buffer name) | |
| 394 { | |
| 395 return _names.get(HttpHeaders.CACHE.lookup(name)); | |
| 396 } | |
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397 |
| 831 | 398 /* ------------------------------------------------------------ */ |
| 399 public boolean containsKey(Buffer name) | |
| 400 { | |
| 401 return _names.containsKey(HttpHeaders.CACHE.lookup(name)); | |
| 402 } | |
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403 |
| 831 | 404 /* ------------------------------------------------------------ */ |
| 405 public boolean containsKey(String name) | |
| 406 { | |
| 407 return _names.containsKey(HttpHeaders.CACHE.lookup(name)); | |
| 408 } | |
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409 |
| 831 | 410 /* -------------------------------------------------------------- */ |
| 411 /** | |
| 412 * @return the value of a field, or null if not found. For multiple fields of the same name, | |
| 413 * only the first is returned. | |
| 414 * @param name the case-insensitive field name | |
| 415 */ | |
| 416 public String getStringField(String name) | |
| 417 { | |
| 418 Field field = getField(name); | |
| 419 return field==null?null:field.getValue(); | |
| 420 } | |
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421 |
| 831 | 422 /* -------------------------------------------------------------- */ |
| 423 /** | |
| 424 * @return the value of a field, or null if not found. For multiple fields of the same name, | |
| 425 * only the first is returned. | |
| 426 * @param name the case-insensitive field name | |
| 427 */ | |
| 428 public String getStringField(Buffer name) | |
| 429 { | |
| 430 Field field = getField(name); | |
| 431 return field==null?null:field.getValue(); | |
| 432 } | |
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433 |
| 831 | 434 /* -------------------------------------------------------------- */ |
| 435 /** | |
| 436 * @return the value of a field, or null if not found. For multiple fields of the same name, | |
| 437 * only the first is returned. | |
| 438 * @param name the case-insensitive field name | |
| 439 */ | |
| 440 public Buffer get(Buffer name) | |
| 441 { | |
| 442 Field field = getField(name); | |
| 443 return field==null?null:field._value; | |
| 444 } | |
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445 |
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446 |
| 831 | 447 /* -------------------------------------------------------------- */ |
| 448 /** | |
| 449 * Get multi headers | |
| 450 * | |
| 451 * @return Enumeration of the values, or null if no such header. | |
| 452 * @param name the case-insensitive field name | |
| 453 */ | |
| 454 public Collection<String> getValuesCollection(String name) | |
| 455 { | |
| 456 Field field = getField(name); | |
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457 if (field==null) |
| 831 | 458 return null; |
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459 |
| 831 | 460 final List<String> list = new ArrayList<String>(); |
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461 |
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462 while(field!=null) |
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463 { |
| 831 | 464 list.add(field.getValue()); |
| 465 field=field._next; | |
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466 } |
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467 return list; |
| 831 | 468 } |
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469 |
| 831 | 470 /* -------------------------------------------------------------- */ |
| 471 /** | |
| 472 * Get multi headers | |
| 473 * | |
| 474 * @return Enumeration of the values | |
| 475 * @param name the case-insensitive field name | |
| 476 */ | |
| 477 public Enumeration<String> getValues(String name) | |
| 478 { | |
| 479 final Field field = getField(name); | |
| 480 if (field == null) | |
| 481 { | |
| 482 List<String> empty=Collections.emptyList(); | |
| 483 return Collections.enumeration(empty); | |
| 484 } | |
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485 |
| 831 | 486 return new Enumeration<String>() |
| 487 { | |
| 488 Field f = field; | |
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489 |
| 831 | 490 public boolean hasMoreElements() |
| 491 { | |
| 492 return f != null; | |
| 493 } | |
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494 |
| 831 | 495 public String nextElement() throws NoSuchElementException |
| 496 { | |
| 497 if (f == null) throw new NoSuchElementException(); | |
| 498 Field n = f; | |
| 499 f = f._next; | |
| 500 return n.getValue(); | |
| 501 } | |
| 502 }; | |
| 503 } | |
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504 |
| 831 | 505 /* -------------------------------------------------------------- */ |
| 506 /** | |
| 507 * Get multi headers | |
| 508 * | |
| 509 * @return Enumeration of the value Strings | |
| 510 * @param name the case-insensitive field name | |
| 511 */ | |
| 512 public Enumeration<String> getValues(Buffer name) | |
| 513 { | |
| 514 final Field field = getField(name); | |
| 515 if (field == null) | |
| 516 { | |
| 517 List<String> empty=Collections.emptyList(); | |
| 518 return Collections.enumeration(empty); | |
| 519 } | |
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520 |
| 831 | 521 return new Enumeration<String>() |
| 522 { | |
| 523 Field f = field; | |
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524 |
| 831 | 525 public boolean hasMoreElements() |
| 526 { | |
| 527 return f != null; | |
| 528 } | |
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529 |
| 831 | 530 public String nextElement() throws NoSuchElementException |
| 531 { | |
| 532 if (f == null) throw new NoSuchElementException(); | |
| 533 Field n = f; | |
| 534 f = f._next; | |
| 535 return n.getValue(); | |
| 536 } | |
| 537 }; | |
| 538 } | |
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539 |
| 831 | 540 /* -------------------------------------------------------------- */ |
| 541 /** | |
| 542 * Get multi field values with separator. The multiple values can be represented as separate | |
| 543 * headers of the same name, or by a single header using the separator(s), or a combination of | |
| 544 * both. Separators may be quoted. | |
| 545 * | |
| 546 * @param name the case-insensitive field name | |
| 547 * @param separators String of separators. | |
| 548 * @return Enumeration of the values, or null if no such header. | |
| 549 */ | |
| 550 public Enumeration<String> getValues(String name, final String separators) | |
| 551 { | |
| 552 final Enumeration<String> e = getValues(name); | |
| 553 if (e == null) | |
| 554 return null; | |
| 555 return new Enumeration<String>() | |
| 556 { | |
| 557 QuotedStringTokenizer tok = null; | |
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558 |
| 831 | 559 public boolean hasMoreElements() |
| 560 { | |
| 561 if (tok != null && tok.hasMoreElements()) return true; | |
| 562 while (e.hasMoreElements()) | |
| 563 { | |
| 564 String value = e.nextElement(); | |
| 565 tok = new QuotedStringTokenizer(value, separators, false, false); | |
| 566 if (tok.hasMoreElements()) return true; | |
| 567 } | |
| 568 tok = null; | |
| 569 return false; | |
| 570 } | |
| 571 | |
| 572 public String nextElement() throws NoSuchElementException | |
| 573 { | |
| 574 if (!hasMoreElements()) throw new NoSuchElementException(); | |
| 575 String next = (String) tok.nextElement(); | |
| 576 if (next != null) next = next.trim(); | |
| 577 return next; | |
| 578 } | |
| 579 }; | |
| 580 } | |
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581 |
| 831 | 582 |
| 583 /* -------------------------------------------------------------- */ | |
| 584 /** | |
| 585 * Set a field. | |
| 586 * | |
| 587 * @param name the name of the field | |
| 588 * @param value the value of the field. If null the field is cleared. | |
| 589 */ | |
| 590 public void put(String name, String value) | |
| 591 { | |
| 592 if (value==null) | |
| 593 remove(name); | |
| 594 else | |
| 595 { | |
| 596 Buffer n = HttpHeaders.CACHE.lookup(name); | |
| 597 Buffer v = convertValue(value); | |
| 598 put(n, v); | |
| 599 } | |
| 600 } | |
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601 |
| 831 | 602 /* -------------------------------------------------------------- */ |
| 603 /** | |
| 604 * Set a field. | |
| 605 * | |
| 606 * @param name the name of the field | |
| 607 * @param value the value of the field. If null the field is cleared. | |
| 608 */ | |
| 609 public void put(Buffer name, String value) | |
| 610 { | |
| 611 Buffer n = HttpHeaders.CACHE.lookup(name); | |
| 612 Buffer v = convertValue(value); | |
| 613 put(n, v); | |
| 614 } | |
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615 |
| 831 | 616 /* -------------------------------------------------------------- */ |
| 617 /** | |
| 618 * Set a field. | |
| 619 * | |
| 620 * @param name the name of the field | |
| 621 * @param value the value of the field. If null the field is cleared. | |
| 622 */ | |
| 623 public void put(Buffer name, Buffer value) | |
| 624 { | |
| 625 remove(name); | |
| 626 if (value == null) | |
| 627 return; | |
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628 |
| 831 | 629 if (!(name instanceof BufferCache.CachedBuffer)) |
| 630 name = HttpHeaders.CACHE.lookup(name); | |
| 631 if (!(value instanceof CachedBuffer)) | |
| 632 value= HttpHeaderValues.CACHE.lookup(value).asImmutableBuffer(); | |
| 633 | |
| 634 // new value; | |
| 635 Field field = new Field(name, value); | |
| 636 _fields.add(field); | |
| 637 _names.put(name, field); | |
| 638 } | |
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639 |
| 831 | 640 /* -------------------------------------------------------------- */ |
| 641 /** | |
| 642 * Set a field. | |
| 643 * | |
| 644 * @param name the name of the field | |
| 645 * @param list the List value of the field. If null the field is cleared. | |
| 646 */ | |
| 647 public void put(String name, List<?> list) | |
| 648 { | |
| 649 if (list == null || list.size() == 0) | |
| 650 { | |
| 651 remove(name); | |
| 652 return; | |
| 653 } | |
| 654 Buffer n = HttpHeaders.CACHE.lookup(name); | |
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655 |
| 831 | 656 Object v = list.get(0); |
| 657 if (v != null) | |
| 658 put(n, HttpHeaderValues.CACHE.lookup(v.toString())); | |
| 659 else | |
| 660 remove(n); | |
| 661 | |
| 662 if (list.size() > 1) | |
| 663 { | |
| 664 java.util.Iterator<?> iter = list.iterator(); | |
| 665 iter.next(); | |
| 666 while (iter.hasNext()) | |
| 667 { | |
| 668 v = iter.next(); | |
| 669 if (v != null) put(n, HttpHeaderValues.CACHE.lookup(v.toString())); | |
| 670 } | |
| 671 } | |
| 672 } | |
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673 |
| 831 | 674 /* -------------------------------------------------------------- */ |
| 675 /** | |
| 676 * Add to or set a field. If the field is allowed to have multiple values, add will add multiple | |
| 677 * headers of the same name. | |
| 678 * | |
| 679 * @param name the name of the field | |
| 680 * @param value the value of the field. | |
| 681 * @exception IllegalArgumentException If the name is a single valued field and already has a | |
| 682 * value. | |
| 683 */ | |
| 684 public void add(String name, String value) throws IllegalArgumentException | |
| 685 { | |
| 686 if (value==null) | |
| 687 return; | |
| 688 Buffer n = HttpHeaders.CACHE.lookup(name); | |
| 689 Buffer v = convertValue(value); | |
| 690 add(n, v); | |
| 691 } | |
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692 |
| 831 | 693 /* -------------------------------------------------------------- */ |
| 694 /** | |
| 695 * Add to or set a field. If the field is allowed to have multiple values, add will add multiple | |
| 696 * headers of the same name. | |
| 697 * | |
| 698 * @param name the name of the field | |
| 699 * @param value the value of the field. | |
| 700 * @exception IllegalArgumentException If the name is a single valued field and already has a | |
| 701 * value. | |
| 702 */ | |
| 703 public void add(Buffer name, Buffer value) throws IllegalArgumentException | |
| 704 { | |
| 705 if (value == null) throw new IllegalArgumentException("null value"); | |
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706 |
| 831 | 707 if (!(name instanceof CachedBuffer)) |
| 708 name = HttpHeaders.CACHE.lookup(name); | |
| 709 name=name.asImmutableBuffer(); | |
| 710 | |
| 711 if (!(value instanceof CachedBuffer) && HttpHeaderValues.hasKnownValues(HttpHeaders.CACHE.getOrdinal(name))) | |
| 712 value= HttpHeaderValues.CACHE.lookup(value); | |
| 713 value=value.asImmutableBuffer(); | |
| 714 | |
| 715 Field field = _names.get(name); | |
| 716 Field last = null; | |
| 717 while (field != null) | |
| 718 { | |
| 719 last = field; | |
| 720 field = field._next; | |
| 721 } | |
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722 |
| 831 | 723 // create the field |
| 724 field = new Field(name, value); | |
| 725 _fields.add(field); | |
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726 |
| 831 | 727 // look for chain to add too |
| 728 if (last != null) | |
| 729 last._next = field; | |
| 730 else | |
| 731 _names.put(name, field); | |
| 732 } | |
| 733 | |
| 734 /* ------------------------------------------------------------ */ | |
| 735 /** | |
| 736 * Remove a field. | |
| 737 * | |
| 738 * @param name | |
| 739 */ | |
| 740 public void remove(String name) | |
| 741 { | |
| 742 remove(HttpHeaders.CACHE.lookup(name)); | |
| 743 } | |
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744 |
| 831 | 745 /* ------------------------------------------------------------ */ |
| 746 /** | |
| 747 * Remove a field. | |
| 748 * | |
| 749 * @param name | |
| 750 */ | |
| 751 public void remove(Buffer name) | |
| 752 { | |
| 753 if (!(name instanceof BufferCache.CachedBuffer)) | |
| 754 name = HttpHeaders.CACHE.lookup(name); | |
| 755 Field field = _names.remove(name); | |
| 756 while (field != null) | |
| 757 { | |
| 758 _fields.remove(field); | |
| 759 field = field._next; | |
| 760 } | |
| 761 } | |
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762 |
| 831 | 763 /* -------------------------------------------------------------- */ |
| 764 /** | |
| 765 * Get a header as an long value. Returns the value of an integer field or -1 if not found. The | |
| 766 * case of the field name is ignored. | |
| 767 * | |
| 768 * @param name the case-insensitive field name | |
| 769 * @exception NumberFormatException If bad long found | |
| 770 */ | |
| 771 public long getLongField(String name) throws NumberFormatException | |
| 772 { | |
| 773 Field field = getField(name); | |
| 774 return field==null?-1L:field.getLongValue(); | |
| 775 } | |
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776 |
| 831 | 777 /* -------------------------------------------------------------- */ |
| 778 /** | |
| 779 * Get a header as an long value. Returns the value of an integer field or -1 if not found. The | |
| 780 * case of the field name is ignored. | |
| 781 * | |
| 782 * @param name the case-insensitive field name | |
| 783 * @exception NumberFormatException If bad long found | |
| 784 */ | |
| 785 public long getLongField(Buffer name) throws NumberFormatException | |
| 786 { | |
| 787 Field field = getField(name); | |
| 788 return field==null?-1L:field.getLongValue(); | |
| 789 } | |
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790 |
| 831 | 791 /* -------------------------------------------------------------- */ |
| 792 /** | |
| 793 * Get a header as a date value. Returns the value of a date field, or -1 if not found. The case | |
| 794 * of the field name is ignored. | |
| 795 * | |
| 796 * @param name the case-insensitive field name | |
| 797 */ | |
| 798 public long getDateField(String name) | |
| 799 { | |
| 800 Field field = getField(name); | |
| 801 if (field == null) | |
| 802 return -1; | |
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803 |
| 831 | 804 String val = valueParameters(BufferUtil.to8859_1_String(field._value), null); |
| 805 if (val == null) | |
| 806 return -1; | |
| 807 | |
| 808 final long date = __dateParser.get().parse(val); | |
| 809 if (date==-1) | |
| 810 throw new IllegalArgumentException("Cannot convert date: " + val); | |
| 811 return date; | |
| 812 } | |
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813 |
| 831 | 814 /* -------------------------------------------------------------- */ |
| 815 /** | |
| 816 * Sets the value of an long field. | |
| 817 * | |
| 818 * @param name the field name | |
| 819 * @param value the field long value | |
| 820 */ | |
| 821 public void putLongField(Buffer name, long value) | |
| 822 { | |
| 823 Buffer v = BufferUtil.toBuffer(value); | |
| 824 put(name, v); | |
| 825 } | |
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826 |
| 831 | 827 /* -------------------------------------------------------------- */ |
| 828 /** | |
| 829 * Sets the value of an long field. | |
| 830 * | |
| 831 * @param name the field name | |
| 832 * @param value the field long value | |
| 833 */ | |
| 834 public void putLongField(String name, long value) | |
| 835 { | |
| 836 Buffer n = HttpHeaders.CACHE.lookup(name); | |
| 837 Buffer v = BufferUtil.toBuffer(value); | |
| 838 put(n, v); | |
| 839 } | |
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840 |
| 831 | 841 /* -------------------------------------------------------------- */ |
| 842 /** | |
| 843 * Sets the value of an long field. | |
| 844 * | |
| 845 * @param name the field name | |
| 846 * @param value the field long value | |
| 847 */ | |
| 848 public void addLongField(String name, long value) | |
| 849 { | |
| 850 Buffer n = HttpHeaders.CACHE.lookup(name); | |
| 851 Buffer v = BufferUtil.toBuffer(value); | |
| 852 add(n, v); | |
| 853 } | |
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854 |
| 831 | 855 /* -------------------------------------------------------------- */ |
| 856 /** | |
| 857 * Sets the value of an long field. | |
| 858 * | |
| 859 * @param name the field name | |
| 860 * @param value the field long value | |
| 861 */ | |
| 862 public void addLongField(Buffer name, long value) | |
| 863 { | |
| 864 Buffer v = BufferUtil.toBuffer(value); | |
| 865 add(name, v); | |
| 866 } | |
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867 |
| 831 | 868 /* -------------------------------------------------------------- */ |
| 869 /** | |
| 870 * Sets the value of a date field. | |
| 871 * | |
| 872 * @param name the field name | |
| 873 * @param date the field date value | |
| 874 */ | |
| 875 public void putDateField(Buffer name, long date) | |
| 876 { | |
| 877 String d=formatDate(date); | |
| 878 Buffer v = new ByteArrayBuffer(d); | |
| 879 put(name, v); | |
| 880 } | |
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881 |
| 831 | 882 /* -------------------------------------------------------------- */ |
| 883 /** | |
| 884 * Sets the value of a date field. | |
| 885 * | |
| 886 * @param name the field name | |
| 887 * @param date the field date value | |
| 888 */ | |
| 889 public void putDateField(String name, long date) | |
| 890 { | |
| 891 Buffer n = HttpHeaders.CACHE.lookup(name); | |
| 892 putDateField(n,date); | |
| 893 } | |
| 894 | |
| 895 /* -------------------------------------------------------------- */ | |
| 896 /** | |
| 897 * Sets the value of a date field. | |
| 898 * | |
| 899 * @param name the field name | |
| 900 * @param date the field date value | |
| 901 */ | |
| 902 public void addDateField(String name, long date) | |
| 903 { | |
| 904 String d=formatDate(date); | |
| 905 Buffer n = HttpHeaders.CACHE.lookup(name); | |
| 906 Buffer v = new ByteArrayBuffer(d); | |
| 907 add(n, v); | |
| 908 } | |
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909 |
| 831 | 910 /* ------------------------------------------------------------ */ |
| 911 /** | |
| 912 * Format a set cookie value | |
| 913 * | |
| 914 * @param cookie The cookie. | |
| 915 */ | |
| 916 public void addSetCookie(HttpCookie cookie) | |
| 917 { | |
| 918 addSetCookie( | |
| 919 cookie.getName(), | |
| 920 cookie.getValue(), | |
| 921 cookie.getDomain(), | |
| 922 cookie.getPath(), | |
| 923 cookie.getMaxAge(), | |
| 924 cookie.getComment(), | |
| 925 cookie.isSecure(), | |
| 926 cookie.isHttpOnly(), | |
| 927 cookie.getVersion()); | |
| 928 } | |
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929 |
| 831 | 930 /** |
| 931 * Format a set cookie value | |
| 932 * | |
| 933 * @param name the name | |
| 934 * @param value the value | |
| 935 * @param domain the domain | |
| 936 * @param path the path | |
| 937 * @param maxAge the maximum age | |
| 938 * @param comment the comment (only present on versions > 0) | |
| 939 * @param isSecure true if secure cookie | |
| 940 * @param isHttpOnly true if for http only | |
| 941 * @param version version of cookie logic to use (0 == default behavior) | |
| 942 */ | |
| 943 public void addSetCookie( | |
| 944 final String name, | |
| 945 final String value, | |
| 946 final String domain, | |
| 947 final String path, | |
| 948 final long maxAge, | |
| 949 final String comment, | |
| 950 final boolean isSecure, | |
| 951 final boolean isHttpOnly, | |
| 952 int version) | |
| 953 { | |
| 954 String delim=__COOKIE_DELIM; | |
| 955 | |
| 956 // Check arguments | |
| 957 if (name == null || name.length() == 0) | |
| 958 throw new IllegalArgumentException("Bad cookie name"); | |
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959 |
| 831 | 960 // Format value and params |
| 961 StringBuilder buf = new StringBuilder(128); | |
| 962 String name_value_params; | |
| 963 QuotedStringTokenizer.quoteIfNeeded(buf, name, delim); | |
| 964 buf.append('='); | |
| 965 String start=buf.toString(); | |
| 966 boolean hasDomain = false; | |
| 967 boolean hasPath = false; | |
| 968 | |
| 969 if (value != null && value.length() > 0) | |
| 970 QuotedStringTokenizer.quoteIfNeeded(buf, value, delim); | |
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971 |
| 831 | 972 if (comment != null && comment.length() > 0) |
| 973 { | |
| 974 buf.append(";Comment="); | |
| 975 QuotedStringTokenizer.quoteIfNeeded(buf, comment, delim); | |
| 976 } | |
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977 |
| 831 | 978 if (path != null && path.length() > 0) |
| 979 { | |
| 980 hasPath = true; | |
| 981 buf.append(";Path="); | |
| 982 if (path.trim().startsWith("\"")) | |
| 983 buf.append(path); | |
| 984 else | |
| 985 QuotedStringTokenizer.quoteIfNeeded(buf,path,delim); | |
| 986 } | |
| 987 if (domain != null && domain.length() > 0) | |
| 988 { | |
| 989 hasDomain = true; | |
| 990 buf.append(";Domain="); | |
| 991 QuotedStringTokenizer.quoteIfNeeded(buf,domain.toLowerCase(Locale.ENGLISH),delim); | |
| 992 } | |
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993 |
| 831 | 994 if (maxAge >= 0) |
| 995 { | |
| 996 // Always add the expires param as some browsers still don't handle max-age | |
| 997 buf.append(";Expires="); | |
| 998 if (maxAge == 0) | |
| 999 buf.append(__01Jan1970_COOKIE); | |
| 1000 else | |
| 1001 formatCookieDate(buf, System.currentTimeMillis() + 1000L * maxAge); | |
| 1002 | |
| 1003 if (version >0) | |
| 1004 { | |
| 1005 buf.append(";Max-Age="); | |
| 1006 buf.append(maxAge); | |
| 1007 } | |
| 1008 } | |
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1009 |
| 831 | 1010 if (isSecure) |
| 1011 buf.append(";Secure"); | |
| 1012 if (isHttpOnly) | |
| 1013 buf.append(";HttpOnly"); | |
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1014 |
| 831 | 1015 name_value_params = buf.toString(); |
| 1016 | |
| 1017 // remove existing set-cookie of same name | |
| 1018 Field field = getField(HttpHeaders.SET_COOKIE); | |
| 1019 Field last=null; | |
| 1020 while (field!=null) | |
| 1021 { | |
| 1022 String val = (field._value == null ? null : field._value.toString()); | |
| 1023 if (val!=null && val.startsWith(start)) | |
| 1024 { | |
| 1025 //existing cookie has same name, does it also match domain and path? | |
| 1026 if (((!hasDomain && !val.contains("Domain")) || (hasDomain && val.contains("Domain="+domain))) && | |
| 1027 ((!hasPath && !val.contains("Path")) || (hasPath && val.contains("Path="+path)))) | |
| 1028 { | |
| 1029 _fields.remove(field); | |
| 1030 if (last==null) | |
| 1031 _names.put(HttpHeaders.SET_COOKIE_BUFFER,field._next); | |
| 1032 else | |
| 1033 last._next=field._next; | |
| 1034 break; | |
| 1035 } | |
| 1036 } | |
| 1037 last=field; | |
| 1038 field=field._next; | |
| 1039 } | |
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1040 |
| 831 | 1041 add(HttpHeaders.SET_COOKIE_BUFFER, new ByteArrayBuffer(name_value_params)); |
| 1042 | |
| 1043 // Expire responses with set-cookie headers so they do not get cached. | |
| 1044 put(HttpHeaders.EXPIRES_BUFFER, __01Jan1970_BUFFER); | |
| 1045 } | |
| 1046 | |
| 1047 /* -------------------------------------------------------------- */ | |
| 1048 public void putTo(Buffer buffer) throws IOException | |
| 1049 { | |
| 1050 for (int i = 0; i < _fields.size(); i++) | |
| 1051 { | |
| 1052 Field field = _fields.get(i); | |
| 1053 if (field != null) | |
| 1054 field.putTo(buffer); | |
| 1055 } | |
| 1056 BufferUtil.putCRLF(buffer); | |
| 1057 } | |
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1058 |
| 831 | 1059 /* -------------------------------------------------------------- */ |
| 1060 public String toString() | |
| 1061 { | |
| 1062 try | |
| 1063 { | |
| 1064 StringBuffer buffer = new StringBuffer(); | |
| 1065 for (int i = 0; i < _fields.size(); i++) | |
| 1066 { | |
| 1067 Field field = (Field) _fields.get(i); | |
| 1068 if (field != null) | |
| 1069 { | |
| 1070 String tmp = field.getName(); | |
| 1071 if (tmp != null) buffer.append(tmp); | |
| 1072 buffer.append(": "); | |
| 1073 tmp = field.getValue(); | |
| 1074 if (tmp != null) buffer.append(tmp); | |
| 1075 buffer.append("\r\n"); | |
| 1076 } | |
| 1077 } | |
| 1078 buffer.append("\r\n"); | |
| 1079 return buffer.toString(); | |
| 1080 } | |
| 1081 catch (Exception e) | |
| 1082 { | |
| 1083 LOG.warn("",e); | |
| 1084 return e.toString(); | |
| 1085 } | |
| 1086 } | |
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1087 |
| 831 | 1088 /* ------------------------------------------------------------ */ |
| 1089 /** | |
| 1090 * Clear the header. | |
| 1091 */ | |
| 1092 public void clear() | |
| 1093 { | |
| 1094 _fields.clear(); | |
| 1095 _names.clear(); | |
| 1096 } | |
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1097 |
| 831 | 1098 /* ------------------------------------------------------------ */ |
| 1099 /** | |
| 1100 * Add fields from another HttpFields instance. Single valued fields are replaced, while all | |
| 1101 * others are added. | |
| 1102 * | |
| 1103 * @param fields | |
| 1104 */ | |
| 1105 public void add(HttpFields fields) | |
| 1106 { | |
| 1107 if (fields == null) return; | |
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1108 |
| 831 | 1109 Enumeration e = fields.getFieldNames(); |
| 1110 while (e.hasMoreElements()) | |
| 1111 { | |
| 1112 String name = (String) e.nextElement(); | |
| 1113 Enumeration values = fields.getValues(name); | |
| 1114 while (values.hasMoreElements()) | |
| 1115 add(name, (String) values.nextElement()); | |
| 1116 } | |
| 1117 } | |
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1118 |
| 831 | 1119 /* ------------------------------------------------------------ */ |
| 1120 /** | |
| 1121 * Get field value parameters. Some field values can have parameters. This method separates the | |
| 1122 * value from the parameters and optionally populates a map with the parameters. For example: | |
| 1123 * | |
| 1124 * <PRE> | |
| 1125 * | |
| 1126 * FieldName : Value ; param1=val1 ; param2=val2 | |
| 1127 * | |
| 1128 * </PRE> | |
| 1129 * | |
| 1130 * @param value The Field value, possibly with parameteres. | |
| 1131 * @param parameters A map to populate with the parameters, or null | |
| 1132 * @return The value. | |
| 1133 */ | |
| 1134 public static String valueParameters(String value, Map<String,String> parameters) | |
| 1135 { | |
| 1136 if (value == null) return null; | |
| 1137 | |
| 1138 int i = value.indexOf(';'); | |
| 1139 if (i < 0) return value; | |
| 1140 if (parameters == null) return value.substring(0, i).trim(); | |
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|
1141 |
| 831 | 1142 StringTokenizer tok1 = new QuotedStringTokenizer(value.substring(i), ";", false, true); |
| 1143 while (tok1.hasMoreTokens()) | |
| 1144 { | |
| 1145 String token = tok1.nextToken(); | |
| 1146 StringTokenizer tok2 = new QuotedStringTokenizer(token, "= "); | |
| 1147 if (tok2.hasMoreTokens()) | |
| 1148 { | |
| 1149 String paramName = tok2.nextToken(); | |
| 1150 String paramVal = null; | |
| 1151 if (tok2.hasMoreTokens()) paramVal = tok2.nextToken(); | |
| 1152 parameters.put(paramName, paramVal); | |
| 1153 } | |
| 1154 } | |
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1155 |
| 831 | 1156 return value.substring(0, i).trim(); |
| 1157 } | |
| 1158 | |
| 1159 /* ------------------------------------------------------------ */ | |
| 1160 private static final Float __zero = Float.valueOf("0.0"); | |
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1161 |
| 831 | 1162 /* ------------------------------------------------------------ */ |
| 1163 public static float getQuality(String value) | |
| 1164 { | |
| 1165 if (value == null) return 0f; | |
| 1166 | |
| 1167 if( value.indexOf(";") == -1 ) | |
| 1168 return 1f; | |
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1169 |
| 831 | 1170 Map params = new HashMap(); |
| 1171 valueParameters(value, params); | |
| 1172 String qs = (String) params.get("q"); | |
| 1173 try { | |
| 1174 return Float.parseFloat(qs); | |
| 1175 } catch (NumberFormatException e) { | |
| 1176 return 1f; | |
| 1177 } | |
| 1178 } | |
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1179 |
| 831 | 1180 /* ------------------------------------------------------------ */ |
| 1181 /** | |
| 1182 * List values in quality order. | |
| 1183 * | |
| 1184 * @param e Enumeration of values with quality parameters | |
| 1185 * @return values in quality order. | |
| 1186 */ | |
| 1187 public static List qualityList(Enumeration e) | |
| 1188 { | |
| 1189 if (e == null || !e.hasMoreElements()) return Collections.EMPTY_LIST; | |
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1190 |
| 831 | 1191 Object list = null; |
| 1192 Object qual = null; | |
| 1193 | |
| 1194 // Assume list will be well ordered and just add nonzero | |
| 1195 while (e.hasMoreElements()) | |
| 1196 { | |
| 1197 String v = e.nextElement().toString(); | |
| 1198 Float q = getQuality(v); | |
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1199 |
| 831 | 1200 if (q.floatValue() >= 0.001) |
| 1201 { | |
| 1202 list = LazyList.add(list, v); | |
| 1203 qual = LazyList.add(qual, q); | |
| 1204 } | |
| 1205 } | |
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1206 |
| 831 | 1207 List vl = LazyList.getList(list, false); |
| 1208 if (vl.size() < 2) return vl; | |
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1209 |
| 831 | 1210 List ql = LazyList.getList(qual, false); |
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1211 |
| 831 | 1212 // sort list with swaps |
| 1213 Float last = __zero; | |
| 1214 for (int i = vl.size(); i-- > 0;) | |
| 1215 { | |
| 1216 Float q = (Float) ql.get(i); | |
| 1217 if (last.compareTo(q) > 0) | |
| 1218 { | |
| 1219 Object tmp = vl.get(i); | |
| 1220 vl.set(i, vl.get(i + 1)); | |
| 1221 vl.set(i + 1, tmp); | |
| 1222 ql.set(i, ql.get(i + 1)); | |
| 1223 ql.set(i + 1, q); | |
| 1224 last = __zero; | |
| 1225 i = vl.size(); | |
| 1226 continue; | |
| 1227 } | |
| 1228 last = q; | |
| 1229 } | |
| 1230 ql.clear(); | |
| 1231 return vl; | |
| 1232 } | |
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1233 |
| 831 | 1234 /* ------------------------------------------------------------ */ |
| 1235 /* ------------------------------------------------------------ */ | |
| 1236 /* ------------------------------------------------------------ */ | |
| 1237 public static final class Field | |
| 1238 { | |
| 1239 private Buffer _name; | |
| 1240 private Buffer _value; | |
| 1241 private Field _next; | |
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1242 |
| 831 | 1243 /* ------------------------------------------------------------ */ |
| 1244 private Field(Buffer name, Buffer value) | |
| 1245 { | |
| 1246 _name = name; | |
| 1247 _value = value; | |
| 1248 _next = null; | |
| 1249 } | |
| 1250 | |
| 1251 /* ------------------------------------------------------------ */ | |
| 1252 public void putTo(Buffer buffer) throws IOException | |
| 1253 { | |
| 1254 int o=(_name instanceof CachedBuffer)?((CachedBuffer)_name).getOrdinal():-1; | |
| 1255 if (o>=0) | |
| 1256 buffer.put(_name); | |
| 1257 else | |
| 1258 { | |
| 1259 int s=_name.getIndex(); | |
| 1260 int e=_name.putIndex(); | |
| 1261 while (s<e) | |
| 1262 { | |
| 1263 byte b=_name.peek(s++); | |
| 1264 switch(b) | |
| 1265 { | |
| 1266 case '\r': | |
| 1267 case '\n': | |
| 1268 case ':' : | |
| 1269 continue; | |
| 1270 default: | |
| 1271 buffer.put(b); | |
| 1272 } | |
| 1273 } | |
| 1274 } | |
| 1275 | |
| 1276 buffer.put((byte) ':'); | |
| 1277 buffer.put((byte) ' '); | |
| 1278 | |
| 1279 o=(_value instanceof CachedBuffer)?((CachedBuffer)_value).getOrdinal():-1; | |
| 1280 if (o>=0) | |
| 1281 buffer.put(_value); | |
| 1282 else | |
| 1283 { | |
| 1284 int s=_value.getIndex(); | |
| 1285 int e=_value.putIndex(); | |
| 1286 while (s<e) | |
| 1287 { | |
| 1288 byte b=_value.peek(s++); | |
| 1289 switch(b) | |
| 1290 { | |
| 1291 case '\r': | |
| 1292 case '\n': | |
| 1293 continue; | |
| 1294 default: | |
| 1295 buffer.put(b); | |
| 1296 } | |
| 1297 } | |
| 1298 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1299 |
| 831 | 1300 BufferUtil.putCRLF(buffer); |
| 1301 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1302 |
| 831 | 1303 /* ------------------------------------------------------------ */ |
| 1304 public String getName() | |
| 1305 { | |
| 1306 return BufferUtil.to8859_1_String(_name); | |
| 1307 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1308 |
| 831 | 1309 /* ------------------------------------------------------------ */ |
| 1310 Buffer getNameBuffer() | |
| 1311 { | |
| 1312 return _name; | |
| 1313 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1314 |
| 831 | 1315 /* ------------------------------------------------------------ */ |
| 1316 public int getNameOrdinal() | |
| 1317 { | |
| 1318 return HttpHeaders.CACHE.getOrdinal(_name); | |
| 1319 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1320 |
| 831 | 1321 /* ------------------------------------------------------------ */ |
| 1322 public String getValue() | |
| 1323 { | |
| 1324 return BufferUtil.to8859_1_String(_value); | |
| 1325 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1326 |
| 831 | 1327 /* ------------------------------------------------------------ */ |
| 1328 public Buffer getValueBuffer() | |
| 1329 { | |
| 1330 return _value; | |
| 1331 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1332 |
| 831 | 1333 /* ------------------------------------------------------------ */ |
| 1334 public int getValueOrdinal() | |
| 1335 { | |
| 1336 return HttpHeaderValues.CACHE.getOrdinal(_value); | |
| 1337 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1338 |
| 831 | 1339 /* ------------------------------------------------------------ */ |
| 1340 public int getIntValue() | |
| 1341 { | |
| 1342 return (int) getLongValue(); | |
| 1343 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1344 |
| 831 | 1345 /* ------------------------------------------------------------ */ |
| 1346 public long getLongValue() | |
| 1347 { | |
| 1348 return BufferUtil.toLong(_value); | |
| 1349 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1350 |
| 831 | 1351 /* ------------------------------------------------------------ */ |
| 1352 public String toString() | |
| 1353 { | |
| 1354 return ("[" + getName() + "=" + _value + (_next == null ? "" : "->") + "]"); | |
| 1355 } | |
| 1356 } | |
|
802
3428c60d7cfc
replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff
changeset
|
1357 } |