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annotate src/org/eclipse/jetty/http/HttpFields.java @ 1032:eca26899c4bc
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| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Thu, 03 Nov 2016 03:19:50 -0600 |
| parents | 3718afd99988 |
| children | 2b769da7f67d |
| 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.BufferUtil; |
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44 import org.eclipse.jetty.util.LazyList; |
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45 import org.eclipse.jetty.util.QuotedStringTokenizer; |
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46 import org.eclipse.jetty.util.StringUtil; |
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47 import org.slf4j.Logger; |
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48 import org.slf4j.LoggerFactory; |
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49 |
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50 /* ------------------------------------------------------------ */ |
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51 /** |
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52 * HTTP Fields. A collection of HTTP header and or Trailer fields. |
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53 * |
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54 * <p>This class is not synchronized as it is expected that modifications will only be performed by a |
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55 * single thread. |
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56 * |
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57 * |
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58 */ |
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59 public final class HttpFields |
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60 { |
| 831 | 61 private static final Logger LOG = LoggerFactory.getLogger(HttpFields.class); |
| 62 | |
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63 private static final String __COOKIE_DELIM="\"\\\n\r\t\f\b%+ ;="; |
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64 private static final TimeZone __GMT = TimeZone.getTimeZone("GMT"); |
| 831 | 65 |
| 66 private static final String[] DAYS = | |
| 67 { "Sat", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; | |
| 68 private static final String[] MONTHS = | |
| 69 { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", "Jan"}; | |
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70 |
| 831 | 71 |
| 72 private static class DateGenerator | |
| 73 { | |
| 74 private final StringBuilder buf = new StringBuilder(32); | |
| 75 private final GregorianCalendar gc = new GregorianCalendar(__GMT); | |
| 76 | |
| 77 /** | |
| 78 * Format HTTP date "EEE, dd MMM yyyy HH:mm:ss 'GMT'" | |
| 79 */ | |
| 80 public String formatDate(long date) | |
| 81 { | |
| 82 buf.setLength(0); | |
| 83 gc.setTimeInMillis(date); | |
| 84 | |
| 85 int day_of_week = gc.get(Calendar.DAY_OF_WEEK); | |
| 86 int day_of_month = gc.get(Calendar.DAY_OF_MONTH); | |
| 87 int month = gc.get(Calendar.MONTH); | |
| 88 int year = gc.get(Calendar.YEAR); | |
| 89 int century = year / 100; | |
| 90 year = year % 100; | |
| 91 | |
| 92 int hours = gc.get(Calendar.HOUR_OF_DAY); | |
| 93 int minutes = gc.get(Calendar.MINUTE); | |
| 94 int seconds = gc.get(Calendar.SECOND); | |
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95 |
| 831 | 96 buf.append(DAYS[day_of_week]); |
| 97 buf.append(','); | |
| 98 buf.append(' '); | |
| 99 StringUtil.append2digits(buf, day_of_month); | |
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100 |
| 831 | 101 buf.append(' '); |
| 102 buf.append(MONTHS[month]); | |
| 103 buf.append(' '); | |
| 104 StringUtil.append2digits(buf, century); | |
| 105 StringUtil.append2digits(buf, year); | |
| 106 | |
| 107 buf.append(' '); | |
| 108 StringUtil.append2digits(buf, hours); | |
| 109 buf.append(':'); | |
| 110 StringUtil.append2digits(buf, minutes); | |
| 111 buf.append(':'); | |
| 112 StringUtil.append2digits(buf, seconds); | |
| 113 buf.append(" GMT"); | |
| 114 return buf.toString(); | |
| 115 } | |
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116 |
| 831 | 117 /* ------------------------------------------------------------ */ |
| 118 /** | |
| 119 * Format "EEE, dd-MMM-yy HH:mm:ss 'GMT'" for cookies | |
| 120 */ | |
| 121 public void formatCookieDate(StringBuilder buf, long date) | |
| 122 { | |
| 123 gc.setTimeInMillis(date); | |
| 124 | |
| 125 int day_of_week = gc.get(Calendar.DAY_OF_WEEK); | |
| 126 int day_of_month = gc.get(Calendar.DAY_OF_MONTH); | |
| 127 int month = gc.get(Calendar.MONTH); | |
| 128 int year = gc.get(Calendar.YEAR); | |
| 129 year = year % 10000; | |
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130 |
| 831 | 131 int epoch = (int) ((date / 1000) % (60 * 60 * 24)); |
| 132 int seconds = epoch % 60; | |
| 133 epoch = epoch / 60; | |
| 134 int minutes = epoch % 60; | |
| 135 int hours = epoch / 60; | |
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136 |
| 831 | 137 buf.append(DAYS[day_of_week]); |
| 138 buf.append(','); | |
| 139 buf.append(' '); | |
| 140 StringUtil.append2digits(buf, day_of_month); | |
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141 |
| 831 | 142 buf.append('-'); |
| 143 buf.append(MONTHS[month]); | |
| 144 buf.append('-'); | |
| 145 StringUtil.append2digits(buf, year/100); | |
| 146 StringUtil.append2digits(buf, year%100); | |
| 147 | |
| 148 buf.append(' '); | |
| 149 StringUtil.append2digits(buf, hours); | |
| 150 buf.append(':'); | |
| 151 StringUtil.append2digits(buf, minutes); | |
| 152 buf.append(':'); | |
| 153 StringUtil.append2digits(buf, seconds); | |
| 154 buf.append(" GMT"); | |
| 155 } | |
| 156 } | |
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157 |
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158 private static final ThreadLocal<DateGenerator> __dateGenerator = new ThreadLocal<DateGenerator>() |
| 831 | 159 { |
| 160 @Override | |
| 161 protected DateGenerator initialValue() | |
| 162 { | |
| 163 return new DateGenerator(); | |
| 164 } | |
| 165 }; | |
| 166 | |
| 167 /* ------------------------------------------------------------ */ | |
| 168 /** | |
| 169 * Format HTTP date "EEE, dd MMM yyyy HH:mm:ss 'GMT'" | |
| 170 */ | |
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171 private static String formatDate(long date) |
| 831 | 172 { |
| 173 return __dateGenerator.get().formatDate(date); | |
| 174 } | |
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175 |
| 831 | 176 /* ------------------------------------------------------------ */ |
| 177 /** | |
| 178 * Format "EEE, dd-MMM-yyyy HH:mm:ss 'GMT'" for cookies | |
| 179 */ | |
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180 private static void formatCookieDate(StringBuilder buf, long date) |
| 831 | 181 { |
| 182 __dateGenerator.get().formatCookieDate(buf,date); | |
| 183 } | |
| 184 | |
| 185 /* ------------------------------------------------------------ */ | |
| 186 /** | |
| 187 * Format "EEE, dd-MMM-yyyy HH:mm:ss 'GMT'" for cookies | |
| 188 */ | |
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189 private static String formatCookieDate(long date) |
| 831 | 190 { |
| 191 StringBuilder buf = new StringBuilder(28); | |
| 192 formatCookieDate(buf, date); | |
| 193 return buf.toString(); | |
| 194 } | |
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195 |
| 831 | 196 private final static String __dateReceiveFmt[] = |
| 197 { | |
| 198 "EEE, dd MMM yyyy HH:mm:ss zzz", | |
| 199 "EEE, dd-MMM-yy HH:mm:ss", | |
| 200 "EEE MMM dd HH:mm:ss yyyy", | |
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201 |
| 831 | 202 "EEE, dd MMM yyyy HH:mm:ss", "EEE dd MMM yyyy HH:mm:ss zzz", |
| 203 "EEE dd MMM yyyy HH:mm:ss", "EEE MMM dd yyyy HH:mm:ss zzz", "EEE MMM dd yyyy HH:mm:ss", | |
| 204 "EEE MMM-dd-yyyy HH:mm:ss zzz", "EEE MMM-dd-yyyy HH:mm:ss", "dd MMM yyyy HH:mm:ss zzz", | |
| 205 "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", | |
| 206 "MMM dd HH:mm:ss yyyy", "EEE MMM dd HH:mm:ss yyyy zzz", | |
| 207 "EEE, MMM dd HH:mm:ss yyyy zzz", "EEE, MMM dd HH:mm:ss yyyy", "EEE, dd-MMM-yy HH:mm:ss zzz", | |
| 208 "EEE dd-MMM-yy HH:mm:ss zzz", "EEE dd-MMM-yy HH:mm:ss", | |
| 209 }; | |
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210 |
| 831 | 211 private static class DateParser |
| 212 { | |
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213 final SimpleDateFormat _dateReceive[] = new SimpleDateFormat[__dateReceiveFmt.length]; |
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214 |
| 831 | 215 long parse(final String dateVal) |
| 216 { | |
| 217 for (int i = 0; i < _dateReceive.length; i++) | |
| 218 { | |
| 219 if (_dateReceive[i] == null) | |
| 220 { | |
| 221 _dateReceive[i] = new SimpleDateFormat(__dateReceiveFmt[i], Locale.US); | |
| 222 _dateReceive[i].setTimeZone(__GMT); | |
| 223 } | |
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224 |
| 831 | 225 try |
| 226 { | |
| 227 Date date = (Date) _dateReceive[i].parseObject(dateVal); | |
| 228 return date.getTime(); | |
| 229 } | |
| 230 catch (java.lang.Exception e) | |
| 231 { | |
| 232 // LOG.ignore(e); | |
| 233 } | |
| 234 } | |
| 235 | |
| 236 if (dateVal.endsWith(" GMT")) | |
| 237 { | |
| 238 final String val = dateVal.substring(0, dateVal.length() - 4); | |
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239 |
| 831 | 240 for (int i = 0; i < _dateReceive.length; i++) |
| 241 { | |
| 242 try | |
| 243 { | |
| 244 Date date = (Date) _dateReceive[i].parseObject(val); | |
| 245 return date.getTime(); | |
| 246 } | |
| 247 catch (java.lang.Exception e) | |
| 248 { | |
| 249 // LOG.ignore(e); | |
| 250 } | |
| 251 } | |
| 252 } | |
| 253 return -1; | |
| 254 } | |
| 255 } | |
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256 |
| 831 | 257 private static final ThreadLocal<DateParser> __dateParser =new ThreadLocal<DateParser>() |
| 258 { | |
| 259 @Override | |
| 260 protected DateParser initialValue() | |
| 261 { | |
| 262 return new DateParser(); | |
| 263 } | |
| 264 }; | |
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265 |
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266 private final static String __01Jan1970 = formatDate(0); |
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267 private final static String __01Jan1970_COOKIE = formatCookieDate(0).trim(); |
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268 |
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269 |
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270 |
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271 |
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272 |
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273 |
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274 private final ArrayList<Field> _fields = new ArrayList<Field>(); |
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275 private final HashMap<String,Field> _names = new HashMap<String,Field>(); |
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276 |
| 831 | 277 |
| 278 /* -------------------------------------------------------------- */ | |
| 279 /** | |
| 280 * Get Collection of header names. | |
| 281 */ | |
| 282 public Collection<String> getFieldNamesCollection() | |
| 283 { | |
| 284 final List<String> list = new ArrayList<String>(_fields.size()); | |
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285 |
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286 for (Field f : _fields) |
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287 { |
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288 if (f!=null) |
| 1021 | 289 list.add(f._name.toString()); |
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290 } |
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291 return list; |
| 831 | 292 } |
| 293 | |
| 294 /* -------------------------------------------------------------- */ | |
| 295 /** | |
| 296 * Get enumeration of header _names. Returns an enumeration of strings representing the header | |
| 297 * _names for this request. | |
| 298 */ | |
| 299 public Enumeration<String> getFieldNames() | |
| 300 { | |
| 301 final Enumeration<?> buffers = Collections.enumeration(_names.keySet()); | |
| 302 return new Enumeration<String>() | |
| 303 { | |
| 304 public String nextElement() | |
| 305 { | |
| 306 return buffers.nextElement().toString(); | |
| 307 } | |
| 308 | |
| 309 public boolean hasMoreElements() | |
| 310 { | |
| 311 return buffers.hasMoreElements(); | |
| 312 } | |
| 313 }; | |
| 314 } | |
| 315 | |
| 316 /* ------------------------------------------------------------ */ | |
| 317 public int size() | |
| 318 { | |
| 319 return _fields.size(); | |
| 320 } | |
| 321 | |
| 322 /* ------------------------------------------------------------ */ | |
| 323 /** | |
| 324 * Get a Field by index. | |
| 325 * @return A Field value or null if the Field value has not been set | |
| 326 * | |
| 327 */ | |
| 328 public Field getField(int i) | |
| 329 { | |
| 330 return _fields.get(i); | |
| 331 } | |
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332 |
| 831 | 333 private Field getField(String name) |
| 334 { | |
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335 return _names.get(name.toLowerCase()); |
| 831 | 336 } |
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337 |
| 831 | 338 public boolean containsKey(String name) |
| 339 { | |
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340 return _names.containsKey(name.toLowerCase()); |
| 831 | 341 } |
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342 |
| 831 | 343 /* -------------------------------------------------------------- */ |
| 344 /** | |
| 345 * @return the value of a field, or null if not found. For multiple fields of the same name, | |
| 346 * only the first is returned. | |
| 347 * @param name the case-insensitive field name | |
| 348 */ | |
| 349 public String getStringField(String name) | |
| 350 { | |
| 351 Field field = getField(name); | |
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352 return field==null ? null : field.getValue(); |
| 831 | 353 } |
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354 |
| 831 | 355 /* -------------------------------------------------------------- */ |
| 356 /** | |
| 357 * Get multi headers | |
| 358 * | |
| 359 * @return Enumeration of the values, or null if no such header. | |
| 360 * @param name the case-insensitive field name | |
| 361 */ | |
| 362 public Collection<String> getValuesCollection(String name) | |
| 363 { | |
| 364 Field field = getField(name); | |
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365 if (field==null) |
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366 return null; |
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367 |
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368 final List<String> list = new ArrayList<String>(); |
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369 |
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370 while(field!=null) |
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371 { |
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372 list.add(field.getValue()); |
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373 field=field._next; |
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374 } |
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375 return list; |
| 831 | 376 } |
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377 |
| 831 | 378 /* -------------------------------------------------------------- */ |
| 379 /** | |
| 380 * Get multi headers | |
| 381 * | |
| 382 * @return Enumeration of the values | |
| 383 * @param name the case-insensitive field name | |
| 384 */ | |
| 385 public Enumeration<String> getValues(String name) | |
| 386 { | |
| 387 final Field field = getField(name); | |
| 388 if (field == null) | |
| 389 { | |
| 390 List<String> empty=Collections.emptyList(); | |
| 391 return Collections.enumeration(empty); | |
| 392 } | |
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393 |
| 831 | 394 return new Enumeration<String>() |
| 395 { | |
| 396 Field f = field; | |
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397 |
| 831 | 398 public boolean hasMoreElements() |
| 399 { | |
| 400 return f != null; | |
| 401 } | |
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402 |
| 831 | 403 public String nextElement() throws NoSuchElementException |
| 404 { | |
| 405 if (f == null) throw new NoSuchElementException(); | |
| 406 Field n = f; | |
| 407 f = f._next; | |
| 408 return n.getValue(); | |
| 409 } | |
| 410 }; | |
| 411 } | |
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412 |
| 831 | 413 /* -------------------------------------------------------------- */ |
| 414 /** | |
| 415 * Get multi field values with separator. The multiple values can be represented as separate | |
| 416 * headers of the same name, or by a single header using the separator(s), or a combination of | |
| 417 * both. Separators may be quoted. | |
| 418 * | |
| 419 * @param name the case-insensitive field name | |
| 420 * @param separators String of separators. | |
| 421 * @return Enumeration of the values, or null if no such header. | |
| 422 */ | |
| 423 public Enumeration<String> getValues(String name, final String separators) | |
| 424 { | |
| 425 final Enumeration<String> e = getValues(name); | |
| 426 if (e == null) | |
| 427 return null; | |
| 428 return new Enumeration<String>() | |
| 429 { | |
| 430 QuotedStringTokenizer tok = null; | |
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431 |
| 831 | 432 public boolean hasMoreElements() |
| 433 { | |
| 434 if (tok != null && tok.hasMoreElements()) return true; | |
| 435 while (e.hasMoreElements()) | |
| 436 { | |
| 437 String value = e.nextElement(); | |
| 438 tok = new QuotedStringTokenizer(value, separators, false, false); | |
| 439 if (tok.hasMoreElements()) return true; | |
| 440 } | |
| 441 tok = null; | |
| 442 return false; | |
| 443 } | |
| 444 | |
| 445 public String nextElement() throws NoSuchElementException | |
| 446 { | |
| 447 if (!hasMoreElements()) throw new NoSuchElementException(); | |
| 448 String next = (String) tok.nextElement(); | |
| 449 if (next != null) next = next.trim(); | |
| 450 return next; | |
| 451 } | |
| 452 }; | |
| 453 } | |
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454 |
| 831 | 455 |
| 456 /* -------------------------------------------------------------- */ | |
| 457 /** | |
| 458 * Set a field. | |
| 459 * | |
| 460 * @param name the name of the field | |
| 461 * @param value the value of the field. If null the field is cleared. | |
| 462 */ | |
| 463 public void put(String name, String value) | |
| 464 { | |
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465 String nameLower = name.toLowerCase(); |
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466 removeLower(nameLower); |
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467 if (value == null) |
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468 return; |
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469 |
| 831 | 470 // new value; |
| 471 Field field = new Field(name, value); | |
| 472 _fields.add(field); | |
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473 _names.put(nameLower, field); |
| 831 | 474 } |
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475 |
| 831 | 476 /* -------------------------------------------------------------- */ |
| 477 /** | |
| 478 * Add to or set a field. If the field is allowed to have multiple values, add will add multiple | |
| 479 * headers of the same name. | |
| 480 * | |
| 481 * @param name the name of the field | |
| 482 * @param value the value of the field. | |
| 483 * @exception IllegalArgumentException If the name is a single valued field and already has a | |
| 484 * value. | |
| 485 */ | |
| 486 public void add(String name, String value) throws IllegalArgumentException | |
| 487 { | |
| 488 if (value == null) throw new IllegalArgumentException("null value"); | |
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489 |
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490 String nameLower = name.toLowerCase(); |
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491 |
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492 Field field = _names.get(nameLower); |
| 831 | 493 Field last = null; |
| 494 while (field != null) | |
| 495 { | |
| 496 last = field; | |
| 497 field = field._next; | |
| 498 } | |
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499 |
| 831 | 500 // create the field |
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501 field = new Field(name, value); |
| 831 | 502 _fields.add(field); |
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503 |
| 831 | 504 // look for chain to add too |
| 505 if (last != null) | |
| 506 last._next = field; | |
| 507 else | |
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508 _names.put(nameLower, field); |
| 831 | 509 } |
| 510 | |
| 511 /* ------------------------------------------------------------ */ | |
| 512 /** | |
| 513 * Remove a field. | |
| 514 * | |
| 515 * @param name | |
| 516 */ | |
| 517 public void remove(String name) | |
| 518 { | |
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519 removeLower(name.toLowerCase()); |
| 831 | 520 } |
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521 |
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522 private void removeLower(String nameLower) { |
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523 Field field = _names.remove(nameLower); |
| 831 | 524 while (field != null) |
| 525 { | |
| 526 _fields.remove(field); | |
| 527 field = field._next; | |
| 528 } | |
| 529 } | |
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530 |
| 831 | 531 /* -------------------------------------------------------------- */ |
| 532 /** | |
| 533 * Get a header as an long value. Returns the value of an integer field or -1 if not found. The | |
| 534 * case of the field name is ignored. | |
| 535 * | |
| 536 * @param name the case-insensitive field name | |
| 537 * @exception NumberFormatException If bad long found | |
| 538 */ | |
| 539 public long getLongField(String name) throws NumberFormatException | |
| 540 { | |
| 541 Field field = getField(name); | |
| 542 return field==null?-1L:field.getLongValue(); | |
| 543 } | |
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544 |
| 831 | 545 /* -------------------------------------------------------------- */ |
| 546 /** | |
| 547 * Get a header as a date value. Returns the value of a date field, or -1 if not found. The case | |
| 548 * of the field name is ignored. | |
| 549 * | |
| 550 * @param name the case-insensitive field name | |
| 551 */ | |
| 552 public long getDateField(String name) | |
| 553 { | |
| 554 Field field = getField(name); | |
| 555 if (field == null) | |
| 556 return -1; | |
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557 |
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558 String val = valueParameters(field._value, null); |
| 831 | 559 if (val == null) |
| 560 return -1; | |
| 561 | |
| 562 final long date = __dateParser.get().parse(val); | |
| 563 if (date==-1) | |
| 564 throw new IllegalArgumentException("Cannot convert date: " + val); | |
| 565 return date; | |
| 566 } | |
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567 |
| 831 | 568 /* -------------------------------------------------------------- */ |
| 569 /** | |
| 570 * Sets the value of an long field. | |
| 571 * | |
| 572 * @param name the field name | |
| 573 * @param value the field long value | |
| 574 */ | |
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575 public void putLongField(String name, long value) |
| 831 | 576 { |
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577 String v = Long.toString(value); |
| 831 | 578 put(name, v); |
| 579 } | |
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580 |
| 831 | 581 /* -------------------------------------------------------------- */ |
| 582 /** | |
| 583 * Sets the value of an long field. | |
| 584 * | |
| 585 * @param name the field name | |
| 586 * @param value the field long value | |
| 587 */ | |
| 588 public void addLongField(String name, long value) | |
| 589 { | |
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590 String v = Long.toString(value); |
| 831 | 591 add(name, v); |
| 592 } | |
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593 |
| 831 | 594 /* -------------------------------------------------------------- */ |
| 595 /** | |
| 596 * Sets the value of a date field. | |
| 597 * | |
| 598 * @param name the field name | |
| 599 * @param date the field date value | |
| 600 */ | |
| 601 public void putDateField(String name, long date) | |
| 602 { | |
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603 String d = formatDate(date); |
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604 put(name, d); |
| 831 | 605 } |
| 606 | |
| 607 /* -------------------------------------------------------------- */ | |
| 608 /** | |
| 609 * Sets the value of a date field. | |
| 610 * | |
| 611 * @param name the field name | |
| 612 * @param date the field date value | |
| 613 */ | |
| 614 public void addDateField(String name, long date) | |
| 615 { | |
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616 String d = formatDate(date); |
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617 add(name, d); |
| 831 | 618 } |
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619 |
| 831 | 620 /* ------------------------------------------------------------ */ |
| 621 /** | |
| 622 * Format a set cookie value | |
| 623 * | |
| 624 * @param cookie The cookie. | |
| 625 */ | |
| 626 public void addSetCookie(HttpCookie cookie) | |
| 627 { | |
| 628 addSetCookie( | |
| 629 cookie.getName(), | |
| 630 cookie.getValue(), | |
| 631 cookie.getDomain(), | |
| 632 cookie.getPath(), | |
| 633 cookie.getMaxAge(), | |
| 634 cookie.getComment(), | |
| 635 cookie.isSecure(), | |
| 636 cookie.isHttpOnly(), | |
| 637 cookie.getVersion()); | |
| 638 } | |
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639 |
| 831 | 640 /** |
| 641 * Format a set cookie value | |
| 642 * | |
| 643 * @param name the name | |
| 644 * @param value the value | |
| 645 * @param domain the domain | |
| 646 * @param path the path | |
| 647 * @param maxAge the maximum age | |
| 648 * @param comment the comment (only present on versions > 0) | |
| 649 * @param isSecure true if secure cookie | |
| 650 * @param isHttpOnly true if for http only | |
| 651 * @param version version of cookie logic to use (0 == default behavior) | |
| 652 */ | |
| 653 public void addSetCookie( | |
| 654 final String name, | |
| 655 final String value, | |
| 656 final String domain, | |
| 657 final String path, | |
| 658 final long maxAge, | |
| 659 final String comment, | |
| 660 final boolean isSecure, | |
| 661 final boolean isHttpOnly, | |
| 662 int version) | |
| 663 { | |
| 664 String delim=__COOKIE_DELIM; | |
| 665 | |
| 666 // Check arguments | |
| 667 if (name == null || name.length() == 0) | |
| 668 throw new IllegalArgumentException("Bad cookie name"); | |
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669 |
| 831 | 670 // Format value and params |
| 671 StringBuilder buf = new StringBuilder(128); | |
| 672 String name_value_params; | |
| 673 QuotedStringTokenizer.quoteIfNeeded(buf, name, delim); | |
| 674 buf.append('='); | |
| 675 String start=buf.toString(); | |
| 676 boolean hasDomain = false; | |
| 677 boolean hasPath = false; | |
| 678 | |
| 679 if (value != null && value.length() > 0) | |
| 680 QuotedStringTokenizer.quoteIfNeeded(buf, value, delim); | |
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681 |
| 831 | 682 if (comment != null && comment.length() > 0) |
| 683 { | |
| 684 buf.append(";Comment="); | |
| 685 QuotedStringTokenizer.quoteIfNeeded(buf, comment, delim); | |
| 686 } | |
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687 |
| 831 | 688 if (path != null && path.length() > 0) |
| 689 { | |
| 690 hasPath = true; | |
| 691 buf.append(";Path="); | |
| 692 if (path.trim().startsWith("\"")) | |
| 693 buf.append(path); | |
| 694 else | |
| 695 QuotedStringTokenizer.quoteIfNeeded(buf,path,delim); | |
| 696 } | |
| 697 if (domain != null && domain.length() > 0) | |
| 698 { | |
| 699 hasDomain = true; | |
| 700 buf.append(";Domain="); | |
| 701 QuotedStringTokenizer.quoteIfNeeded(buf,domain.toLowerCase(Locale.ENGLISH),delim); | |
| 702 } | |
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703 |
| 831 | 704 if (maxAge >= 0) |
| 705 { | |
| 706 // Always add the expires param as some browsers still don't handle max-age | |
| 707 buf.append(";Expires="); | |
| 708 if (maxAge == 0) | |
| 709 buf.append(__01Jan1970_COOKIE); | |
| 710 else | |
| 711 formatCookieDate(buf, System.currentTimeMillis() + 1000L * maxAge); | |
| 712 | |
| 713 if (version >0) | |
| 714 { | |
| 715 buf.append(";Max-Age="); | |
| 716 buf.append(maxAge); | |
| 717 } | |
| 718 } | |
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719 |
| 831 | 720 if (isSecure) |
| 721 buf.append(";Secure"); | |
| 722 if (isHttpOnly) | |
| 723 buf.append(";HttpOnly"); | |
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724 |
| 831 | 725 name_value_params = buf.toString(); |
| 726 | |
| 727 // remove existing set-cookie of same name | |
| 728 Field field = getField(HttpHeaders.SET_COOKIE); | |
| 729 Field last=null; | |
| 730 while (field!=null) | |
| 731 { | |
| 732 String val = (field._value == null ? null : field._value.toString()); | |
| 733 if (val!=null && val.startsWith(start)) | |
| 734 { | |
| 735 //existing cookie has same name, does it also match domain and path? | |
| 736 if (((!hasDomain && !val.contains("Domain")) || (hasDomain && val.contains("Domain="+domain))) && | |
| 737 ((!hasPath && !val.contains("Path")) || (hasPath && val.contains("Path="+path)))) | |
| 738 { | |
| 739 _fields.remove(field); | |
| 740 if (last==null) | |
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741 _names.put(HttpHeaders.SET_COOKIE,field._next); |
| 831 | 742 else |
| 743 last._next=field._next; | |
| 744 break; | |
| 745 } | |
| 746 } | |
| 747 last=field; | |
| 748 field=field._next; | |
| 749 } | |
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750 |
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751 add(HttpHeaders.SET_COOKIE, name_value_params); |
| 831 | 752 |
| 753 // Expire responses with set-cookie headers so they do not get cached. | |
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754 put(HttpHeaders.EXPIRES, __01Jan1970); |
| 831 | 755 } |
| 756 | |
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757 @Override |
| 831 | 758 public String toString() |
| 759 { | |
| 760 try | |
| 761 { | |
| 762 StringBuffer buffer = new StringBuffer(); | |
| 763 for (int i = 0; i < _fields.size(); i++) | |
| 764 { | |
| 765 Field field = (Field) _fields.get(i); | |
| 766 if (field != null) | |
| 767 { | |
| 768 String tmp = field.getName(); | |
| 769 if (tmp != null) buffer.append(tmp); | |
| 770 buffer.append(": "); | |
| 771 tmp = field.getValue(); | |
| 772 if (tmp != null) buffer.append(tmp); | |
| 773 buffer.append("\r\n"); | |
| 774 } | |
| 775 } | |
| 776 buffer.append("\r\n"); | |
| 777 return buffer.toString(); | |
| 778 } | |
| 779 catch (Exception e) | |
| 780 { | |
| 781 LOG.warn("",e); | |
| 782 return e.toString(); | |
| 783 } | |
| 784 } | |
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785 |
| 831 | 786 /* ------------------------------------------------------------ */ |
| 787 /** | |
| 788 * Clear the header. | |
| 789 */ | |
| 790 public void clear() | |
| 791 { | |
| 792 _fields.clear(); | |
| 793 _names.clear(); | |
| 794 } | |
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795 |
| 831 | 796 /* ------------------------------------------------------------ */ |
| 797 /** | |
| 798 * Add fields from another HttpFields instance. Single valued fields are replaced, while all | |
| 799 * others are added. | |
| 800 * | |
| 801 * @param fields | |
| 802 */ | |
| 803 public void add(HttpFields fields) | |
| 804 { | |
| 805 if (fields == null) return; | |
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806 |
| 831 | 807 Enumeration e = fields.getFieldNames(); |
| 808 while (e.hasMoreElements()) | |
| 809 { | |
| 810 String name = (String) e.nextElement(); | |
| 811 Enumeration values = fields.getValues(name); | |
| 812 while (values.hasMoreElements()) | |
| 813 add(name, (String) values.nextElement()); | |
| 814 } | |
| 815 } | |
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816 |
| 831 | 817 /* ------------------------------------------------------------ */ |
| 818 /** | |
| 819 * Get field value parameters. Some field values can have parameters. This method separates the | |
| 820 * value from the parameters and optionally populates a map with the parameters. For example: | |
| 821 * | |
| 822 * <PRE> | |
| 823 * | |
| 824 * FieldName : Value ; param1=val1 ; param2=val2 | |
| 825 * | |
| 826 * </PRE> | |
| 827 * | |
| 828 * @param value The Field value, possibly with parameteres. | |
| 829 * @param parameters A map to populate with the parameters, or null | |
| 830 * @return The value. | |
| 831 */ | |
| 832 public static String valueParameters(String value, Map<String,String> parameters) | |
| 833 { | |
| 834 if (value == null) return null; | |
| 835 | |
| 836 int i = value.indexOf(';'); | |
| 837 if (i < 0) return value; | |
| 838 if (parameters == null) return value.substring(0, i).trim(); | |
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839 |
| 831 | 840 StringTokenizer tok1 = new QuotedStringTokenizer(value.substring(i), ";", false, true); |
| 841 while (tok1.hasMoreTokens()) | |
| 842 { | |
| 843 String token = tok1.nextToken(); | |
| 844 StringTokenizer tok2 = new QuotedStringTokenizer(token, "= "); | |
| 845 if (tok2.hasMoreTokens()) | |
| 846 { | |
| 847 String paramName = tok2.nextToken(); | |
| 848 String paramVal = null; | |
| 849 if (tok2.hasMoreTokens()) paramVal = tok2.nextToken(); | |
| 850 parameters.put(paramName, paramVal); | |
| 851 } | |
| 852 } | |
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853 |
| 831 | 854 return value.substring(0, i).trim(); |
| 855 } | |
| 856 | |
| 857 /* ------------------------------------------------------------ */ | |
| 858 private static final Float __zero = Float.valueOf("0.0"); | |
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859 |
| 831 | 860 /* ------------------------------------------------------------ */ |
| 861 public static float getQuality(String value) | |
| 862 { | |
| 863 if (value == null) return 0f; | |
| 864 | |
| 865 if( value.indexOf(";") == -1 ) | |
| 866 return 1f; | |
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867 |
| 831 | 868 Map params = new HashMap(); |
| 869 valueParameters(value, params); | |
| 870 String qs = (String) params.get("q"); | |
| 871 try { | |
| 872 return Float.parseFloat(qs); | |
| 873 } catch (NumberFormatException e) { | |
| 874 return 1f; | |
| 875 } | |
| 876 } | |
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877 |
| 831 | 878 /* ------------------------------------------------------------ */ |
| 879 /** | |
| 880 * List values in quality order. | |
| 881 * | |
| 882 * @param e Enumeration of values with quality parameters | |
| 883 * @return values in quality order. | |
| 884 */ | |
| 885 public static List qualityList(Enumeration e) | |
| 886 { | |
| 887 if (e == null || !e.hasMoreElements()) return Collections.EMPTY_LIST; | |
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888 |
| 831 | 889 Object list = null; |
| 890 Object qual = null; | |
| 891 | |
| 892 // Assume list will be well ordered and just add nonzero | |
| 893 while (e.hasMoreElements()) | |
| 894 { | |
| 895 String v = e.nextElement().toString(); | |
| 896 Float q = getQuality(v); | |
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897 |
| 831 | 898 if (q.floatValue() >= 0.001) |
| 899 { | |
| 900 list = LazyList.add(list, v); | |
| 901 qual = LazyList.add(qual, q); | |
| 902 } | |
| 903 } | |
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904 |
| 831 | 905 List vl = LazyList.getList(list, false); |
| 906 if (vl.size() < 2) return vl; | |
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907 |
| 831 | 908 List ql = LazyList.getList(qual, false); |
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909 |
| 831 | 910 // sort list with swaps |
| 911 Float last = __zero; | |
| 912 for (int i = vl.size(); i-- > 0;) | |
| 913 { | |
| 914 Float q = (Float) ql.get(i); | |
| 915 if (last.compareTo(q) > 0) | |
| 916 { | |
| 917 Object tmp = vl.get(i); | |
| 918 vl.set(i, vl.get(i + 1)); | |
| 919 vl.set(i + 1, tmp); | |
| 920 ql.set(i, ql.get(i + 1)); | |
| 921 ql.set(i + 1, q); | |
| 922 last = __zero; | |
| 923 i = vl.size(); | |
| 924 continue; | |
| 925 } | |
| 926 last = q; | |
| 927 } | |
| 928 ql.clear(); | |
| 929 return vl; | |
| 930 } | |
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931 |
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932 |
| 831 | 933 public static final class Field |
| 934 { | |
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935 private final String _name; |
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936 private final String _value; |
| 831 | 937 private Field _next; |
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938 |
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939 private Field(String name, String value) |
| 831 | 940 { |
| 941 _name = name; | |
| 942 _value = value; | |
| 943 _next = null; | |
| 944 } | |
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945 |
| 831 | 946 public void putTo(Buffer buffer) throws IOException |
| 947 { | |
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948 byte[] nameBytes = StringUtil.getBytes(_name); |
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949 if (getNameOrdinal() >=0 ) |
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950 buffer.put(nameBytes); |
| 831 | 951 else |
| 952 { | |
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953 for( byte b : nameBytes ) { |
| 831 | 954 switch(b) |
| 955 { | |
| 956 case '\r': | |
| 957 case '\n': | |
| 958 case ':' : | |
| 959 continue; | |
| 960 default: | |
| 961 buffer.put(b); | |
| 962 } | |
| 963 } | |
| 964 } | |
| 965 | |
| 966 buffer.put((byte) ':'); | |
| 967 buffer.put((byte) ' '); | |
| 968 | |
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969 byte[] valueBytes = StringUtil.getBytes(_value); |
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970 if (getValueOrdinal() >= 0) |
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971 buffer.put(valueBytes); |
| 831 | 972 else |
| 973 { | |
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974 for( byte b : valueBytes ) { |
| 831 | 975 switch(b) |
| 976 { | |
| 977 case '\r': | |
| 978 case '\n': | |
| 979 continue; | |
| 980 default: | |
| 981 buffer.put(b); | |
| 982 } | |
| 983 } | |
| 984 } | |
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985 |
| 831 | 986 BufferUtil.putCRLF(buffer); |
| 987 } | |
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988 |
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989 private String getName() |
| 831 | 990 { |
| 1021 | 991 return _name.toString(); |
| 831 | 992 } |
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993 |
| 831 | 994 public int getNameOrdinal() |
| 995 { | |
| 996 return HttpHeaders.CACHE.getOrdinal(_name); | |
| 997 } | |
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998 |
| 831 | 999 public String getValue() |
| 1000 { | |
| 1001 return _value; | |
| 1002 } | |
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1003 |
| 831 | 1004 public int getValueOrdinal() |
| 1005 { | |
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1006 return HttpHeaderValues.CACHE.getOrdinal(_value); |
| 831 | 1007 } |
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1008 |
| 831 | 1009 public int getIntValue() |
| 1010 { | |
| 1011 return (int) getLongValue(); | |
| 1012 } | |
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1013 |
| 831 | 1014 public long getLongValue() |
| 1015 { | |
| 1016 return BufferUtil.toLong(_value); | |
| 1017 } | |
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1018 |
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1019 @Override |
| 831 | 1020 public String toString() |
| 1021 { | |
| 1022 return ("[" + getName() + "=" + _value + (_next == null ? "" : "->") + "]"); | |
| 1023 } | |
| 1024 } | |
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1025 } |