| 1 | package be.nikiroo.jvcard; |
| 2 | |
| 3 | import java.util.HashMap; |
| 4 | import java.util.LinkedList; |
| 5 | import java.util.List; |
| 6 | import java.util.Map; |
| 7 | |
| 8 | import be.nikiroo.jvcard.parsers.Format; |
| 9 | import be.nikiroo.jvcard.parsers.Parser; |
| 10 | |
| 11 | /** |
| 12 | * A contact is the information that represent a contact person or organisation. |
| 13 | * |
| 14 | * @author niki |
| 15 | * |
| 16 | */ |
| 17 | public class Contact { |
| 18 | private List<Data> datas; |
| 19 | private int nextBKey = 1; |
| 20 | private Map<Integer, Data> binaries; |
| 21 | private boolean dirty; |
| 22 | private Card parent; |
| 23 | |
| 24 | /** |
| 25 | * Create a new Contact from the given information. Note that the BKeys data |
| 26 | * will be reset. |
| 27 | * |
| 28 | * @param content |
| 29 | * the information about the contact |
| 30 | */ |
| 31 | public Contact(List<Data> content) { |
| 32 | this.datas = new LinkedList<Data>(); |
| 33 | |
| 34 | boolean fn = false; |
| 35 | boolean n = false; |
| 36 | for (Data data : content) { |
| 37 | if (data.getName().equals("N")) { |
| 38 | n = true; |
| 39 | } else if (data.getName().equals("FN")) { |
| 40 | fn = true; |
| 41 | } |
| 42 | |
| 43 | if (!data.getName().equals("VERSION")) { |
| 44 | datas.add(data); |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | // required fields: |
| 49 | if (!n) { |
| 50 | datas.add(new Data(null, "N", "", null)); |
| 51 | } |
| 52 | if (!fn) { |
| 53 | datas.add(new Data(null, "FN", "", null)); |
| 54 | } |
| 55 | |
| 56 | updateBKeys(true); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Return the informations (note: this is the actual list, be careful). |
| 61 | * |
| 62 | * @return the list of data anout this contact |
| 63 | */ |
| 64 | public List<Data> getContent() { |
| 65 | return datas; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Return the preferred Data field with the given name, or NULL if none. |
| 70 | * |
| 71 | * @param name |
| 72 | * the name to look for |
| 73 | * @return the Data field, or NULL |
| 74 | */ |
| 75 | public Data getPreferredData(String name) { |
| 76 | Data first = null; |
| 77 | for (Data data : getData(name)) { |
| 78 | if (first == null) |
| 79 | first = data; |
| 80 | for (TypeInfo type : data.getTypes()) { |
| 81 | if (type.getName().equals("TYPE") |
| 82 | && type.getValue().equals("pref")) { |
| 83 | return data; |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | return first; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Return the value of the preferred data field with this name, or NULL if |
| 93 | * none (you cannot differentiate a NULL value and no value). |
| 94 | * |
| 95 | * @param name |
| 96 | * the name to look for |
| 97 | * @return the value (which can be NULL), or NULL |
| 98 | */ |
| 99 | public String getPreferredDataValue(String name) { |
| 100 | Data data = getPreferredData(name); |
| 101 | if (data != null && data.getValue() != null) |
| 102 | return data.getValue().trim(); |
| 103 | return null; |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Get the Data fields that share the given name. |
| 108 | * |
| 109 | * @param name |
| 110 | * the name to ook for |
| 111 | * @return a list of Data fields with this name |
| 112 | */ |
| 113 | public List<Data> getData(String name) { |
| 114 | List<Data> found = new LinkedList<Data>(); |
| 115 | |
| 116 | for (Data data : datas) { |
| 117 | if (data.getName().equals(name)) |
| 118 | found.add(data); |
| 119 | } |
| 120 | |
| 121 | return found; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Return a {@link String} representation of this contact. |
| 126 | * |
| 127 | * @param format |
| 128 | * the {@link Format} to use |
| 129 | * @param startingBKey |
| 130 | * the starting BKey or -1 for no BKeys |
| 131 | * @return the {@link String} representation |
| 132 | */ |
| 133 | public String toString(Format format, int startingBKey) { |
| 134 | updateBKeys(false); |
| 135 | return Parser.toString(this, format, startingBKey); |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Return a {@link String} representation of this contact formated |
| 140 | * accordingly to the given format. |
| 141 | * |
| 142 | * The format is basically a list of field names separated by a pipe and |
| 143 | * optionally parametrised. The parameters allows you to: |
| 144 | * <ul> |
| 145 | * <li>@x: show only a present/not present info</li> |
| 146 | * <li>@n: limit the size to a fixed value 'n'</li> |
| 147 | * <li>@+: expand the size of this field as much as possible</li> |
| 148 | * </ul> |
| 149 | * |
| 150 | * Example: "N@10|FN@20|NICK@+|PHOTO@x" |
| 151 | * |
| 152 | * @param format |
| 153 | * the format to use |
| 154 | * |
| 155 | * @return the {@link String} representation |
| 156 | */ |
| 157 | public String toString(String format) { |
| 158 | return toString(format, "|", null, -1); |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Return a {@link String} representation of this contact formated |
| 163 | * accordingly to the given format. |
| 164 | * |
| 165 | * The format is basically a list of field names separated by a pipe and |
| 166 | * optionally parametrised. The parameters allows you to: |
| 167 | * <ul> |
| 168 | * <li>@x: show only a present/not present info</li> |
| 169 | * <li>@n: limit the size to a fixed value 'n'</li> |
| 170 | * <li>@+: expand the size of this field as much as possible</li> |
| 171 | * </ul> |
| 172 | * |
| 173 | * Example: "N@10|FN@20|NICK@+|PHOTO@x" |
| 174 | * |
| 175 | * @param format |
| 176 | * the format to use |
| 177 | * @param separator |
| 178 | * the separator {@link String} to use between fields |
| 179 | * @param padding |
| 180 | * the {@link String} to use for left and right padding |
| 181 | * @param width |
| 182 | * a fixed width or -1 for "as long as needed" |
| 183 | * |
| 184 | * @return the {@link String} representation |
| 185 | */ |
| 186 | public String toString(String format, String separator, String padding, |
| 187 | int width) { |
| 188 | StringBuilder builder = new StringBuilder(); |
| 189 | |
| 190 | for (String str : toStringArray(format, separator, padding, width)) { |
| 191 | builder.append(str); |
| 192 | } |
| 193 | |
| 194 | return builder.toString(); |
| 195 | } |
| 196 | |
| 197 | /** |
| 198 | * Return a {@link String} representation of this contact formated |
| 199 | * accordingly to the given format, part by part. |
| 200 | * |
| 201 | * The format is basically a list of field names separated by a pipe and |
| 202 | * optionally parametrised. The parameters allows you to: |
| 203 | * <ul> |
| 204 | * <li>@x: show only a present/not present info</li> |
| 205 | * <li>@n: limit the size to a fixed value 'n'</li> |
| 206 | * <li>@+: expand the size of this field as much as possible</li> |
| 207 | * </ul> |
| 208 | * |
| 209 | * Example: "N@10|FN@20|NICK@+|PHOTO@x" |
| 210 | * |
| 211 | * @param format |
| 212 | * the format to use |
| 213 | * @param separator |
| 214 | * the separator {@link String} to use between fields |
| 215 | * @param padding |
| 216 | * the {@link String} to use for left and right padding |
| 217 | * @param width |
| 218 | * a fixed width or -1 for "as long as needed" |
| 219 | * |
| 220 | * @return the {@link String} representation |
| 221 | */ |
| 222 | public String[] toStringArray(String format, String separator, |
| 223 | String padding, int width) { |
| 224 | if (width > -1) { |
| 225 | int numOfFields = format.split("\\|").length; |
| 226 | if (separator != null) |
| 227 | width -= (numOfFields - 1) * separator.length(); |
| 228 | if (padding != null) |
| 229 | width -= (numOfFields) * (2 * padding.length()); |
| 230 | |
| 231 | if (width < 0) |
| 232 | width = 0; |
| 233 | } |
| 234 | |
| 235 | List<String> str = new LinkedList<String>(); |
| 236 | |
| 237 | boolean first = true; |
| 238 | for (String s : toStringArray(format, width)) { |
| 239 | if (!first) { |
| 240 | str.add(separator); |
| 241 | } |
| 242 | |
| 243 | if (padding != null) |
| 244 | str.add(padding + s + padding); |
| 245 | else |
| 246 | str.add(s); |
| 247 | |
| 248 | first = false; |
| 249 | } |
| 250 | |
| 251 | return str.toArray(new String[] {}); |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Return a {@link String} representation of this contact formated |
| 256 | * accordingly to the given format, part by part. |
| 257 | * |
| 258 | * The format is basically a list of field names separated by a pipe and |
| 259 | * optionally parametrised. The parameters allows you to: |
| 260 | * <ul> |
| 261 | * <li>@x: show only a present/not present info</li> |
| 262 | * <li>@n: limit the size to a fixed value 'n'</li> |
| 263 | * <li>@+: expand the size of this field as much as possible</li> |
| 264 | * </ul> |
| 265 | * |
| 266 | * Example: "N@10|FN@20|NICK@+|PHOTO@x" |
| 267 | * |
| 268 | * @param format |
| 269 | * the format to use |
| 270 | * @param width |
| 271 | * a fixed width or -1 for "as long as needed" |
| 272 | * |
| 273 | * @return the {@link String} representation |
| 274 | */ |
| 275 | public String[] toStringArray(String format, int width) { |
| 276 | List<String> str = new LinkedList<String>(); |
| 277 | |
| 278 | String[] formatFields = format.split("\\|"); |
| 279 | String[] values = new String[formatFields.length]; |
| 280 | Boolean[] expandedFields = new Boolean[formatFields.length]; |
| 281 | Boolean[] fixedsizeFields = new Boolean[formatFields.length]; |
| 282 | int numOfFieldsToExpand = 0; |
| 283 | int totalSize = 0; |
| 284 | |
| 285 | if (width == 0) { |
| 286 | for (int i = 0; i < formatFields.length; i++) { |
| 287 | str.add(""); |
| 288 | } |
| 289 | |
| 290 | return str.toArray(new String[] {}); |
| 291 | } |
| 292 | |
| 293 | for (int i = 0; i < formatFields.length; i++) { |
| 294 | String field = formatFields[i]; |
| 295 | |
| 296 | int size = -1; |
| 297 | boolean binary = false; |
| 298 | boolean expand = false; |
| 299 | |
| 300 | if (field.contains("@")) { |
| 301 | String[] opts = field.split("@"); |
| 302 | if (opts.length > 0) |
| 303 | field = opts[0]; |
| 304 | for (int io = 1; io < opts.length; io++) { |
| 305 | String opt = opts[io]; |
| 306 | if (opt.equals("x")) { |
| 307 | binary = true; |
| 308 | } else if (opt.equals("+")) { |
| 309 | expand = true; |
| 310 | numOfFieldsToExpand++; |
| 311 | } else { |
| 312 | try { |
| 313 | size = Integer.parseInt(opt); |
| 314 | } catch (Exception e) { |
| 315 | } |
| 316 | } |
| 317 | } |
| 318 | } |
| 319 | |
| 320 | String value = getPreferredDataValue(field); |
| 321 | if (value == null) |
| 322 | value = ""; |
| 323 | |
| 324 | if (size > -1) { |
| 325 | value = fixedString(value, size); |
| 326 | } |
| 327 | |
| 328 | expandedFields[i] = expand; |
| 329 | fixedsizeFields[i] = (size > -1); |
| 330 | |
| 331 | if (binary) { |
| 332 | if (value != null && !value.equals("")) |
| 333 | values[i] = "x"; |
| 334 | else |
| 335 | values[i] = " "; |
| 336 | totalSize++; |
| 337 | } else { |
| 338 | values[i] = value; |
| 339 | totalSize += value.length(); |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | if (width > -1 && totalSize > width) { |
| 344 | int toDo = totalSize - width; |
| 345 | for (int i = fixedsizeFields.length - 1; toDo > 0 && i >= 0; i--) { |
| 346 | if (!fixedsizeFields[i]) { |
| 347 | int valueLength = values[i].length(); |
| 348 | if (valueLength > 0) { |
| 349 | if (valueLength >= toDo) { |
| 350 | values[i] = values[i].substring(0, valueLength |
| 351 | - toDo); |
| 352 | toDo = 0; |
| 353 | } else { |
| 354 | values[i] = ""; |
| 355 | toDo -= valueLength; |
| 356 | } |
| 357 | } |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | totalSize = width + toDo; |
| 362 | } |
| 363 | |
| 364 | if (width > -1 && numOfFieldsToExpand > 0) { |
| 365 | int availablePadding = width - totalSize; |
| 366 | |
| 367 | if (availablePadding > 0) { |
| 368 | int padPerItem = availablePadding / numOfFieldsToExpand; |
| 369 | int remainder = availablePadding % numOfFieldsToExpand; |
| 370 | |
| 371 | for (int i = 0; i < values.length; i++) { |
| 372 | if (expandedFields[i]) { |
| 373 | if (remainder > 0) { |
| 374 | values[i] = values[i] + fixedString("", remainder); |
| 375 | remainder = 0; |
| 376 | } |
| 377 | if (padPerItem > 0) { |
| 378 | values[i] = values[i] + fixedString("", padPerItem); |
| 379 | } |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | totalSize = width; |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | int currentSize = 0; |
| 388 | for (int i = 0; i < values.length; i++) { |
| 389 | currentSize += addToList(str, values[i], currentSize, width); |
| 390 | } |
| 391 | |
| 392 | return str.toArray(new String[] {}); |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * Fix the size of the given {@link String} either with space-padding or by |
| 397 | * shortening it. |
| 398 | * |
| 399 | * @param string |
| 400 | * the {@link String} to fix |
| 401 | * @param size |
| 402 | * the size of the resulting {@link String} |
| 403 | * |
| 404 | * @return the fixed {@link String} of size <i>size</i> |
| 405 | */ |
| 406 | static private String fixedString(String string, int size) { |
| 407 | int length = string.length(); |
| 408 | |
| 409 | if (length > size) { |
| 410 | string = string.substring(0, size); |
| 411 | } else if (length < size) { |
| 412 | string = string |
| 413 | + new String(new char[size - length]).replace('\0', ' '); |
| 414 | } |
| 415 | |
| 416 | return string; |
| 417 | } |
| 418 | |
| 419 | /** |
| 420 | * Add a {@link String} to the given {@link List}, but make sure it does not |
| 421 | * exceed the maximum size, and truncate it if needed to fit. |
| 422 | * |
| 423 | * @param list |
| 424 | * @param add |
| 425 | * @param currentSize |
| 426 | * @param maxSize |
| 427 | * @return |
| 428 | */ |
| 429 | static private int addToList(List<String> list, String add, |
| 430 | int currentSize, int maxSize) { |
| 431 | if (add == null || add.length() == 0) { |
| 432 | if (add != null) |
| 433 | list.add(add); |
| 434 | return 0; |
| 435 | } |
| 436 | |
| 437 | if (maxSize > -1) { |
| 438 | if (currentSize < maxSize) { |
| 439 | if (currentSize + add.length() >= maxSize) { |
| 440 | add = add.substring(0, maxSize - currentSize); |
| 441 | } |
| 442 | } else { |
| 443 | add = ""; |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | list.add(add); |
| 448 | return add.length(); |
| 449 | } |
| 450 | |
| 451 | /** |
| 452 | * Return a {@link String} representation of this contact, in vCard 2.1, |
| 453 | * without BKeys. |
| 454 | * |
| 455 | * @return the {@link String} representation |
| 456 | */ |
| 457 | public String toString() { |
| 458 | return toString(Format.VCard21, -1); |
| 459 | } |
| 460 | |
| 461 | /** |
| 462 | * Update the information from this contact with the information in the |
| 463 | * given contact. Non present fields will be removed, new fields will be |
| 464 | * added, BKey'ed fields will be completed with the binary information known |
| 465 | * by this contact. |
| 466 | * |
| 467 | * @param vc |
| 468 | * the contact with the newer information and optional BKeys |
| 469 | */ |
| 470 | public void updateFrom(Contact vc) { |
| 471 | updateBKeys(false); |
| 472 | |
| 473 | List<Data> newDatas = new LinkedList<Data>(vc.datas); |
| 474 | for (int i = 0; i < newDatas.size(); i++) { |
| 475 | Data data = newDatas.get(i); |
| 476 | int bkey = Parser.getBKey(data); |
| 477 | if (bkey >= 0) { |
| 478 | if (binaries.containsKey(bkey)) { |
| 479 | newDatas.set(i, binaries.get(bkey)); |
| 480 | } |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | this.datas = newDatas; |
| 485 | this.nextBKey = vc.nextBKey; |
| 486 | |
| 487 | setParent(parent); |
| 488 | setDirty(); |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * Mark all the binary fields with a BKey number. |
| 493 | * |
| 494 | * @param force |
| 495 | * force the marking, and reset all the numbers. |
| 496 | */ |
| 497 | protected void updateBKeys(boolean force) { |
| 498 | if (force) { |
| 499 | binaries = new HashMap<Integer, Data>(); |
| 500 | nextBKey = 1; |
| 501 | } |
| 502 | |
| 503 | if (binaries == null) { |
| 504 | binaries = new HashMap<Integer, Data>(); |
| 505 | } |
| 506 | |
| 507 | for (Data data : datas) { |
| 508 | if (data.isBinary() && (data.getB64Key() <= 0 || force)) { |
| 509 | binaries.put(nextBKey, data); |
| 510 | data.resetB64Key(nextBKey++); |
| 511 | } |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | public boolean isDirty() { |
| 516 | return dirty; |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * Notify that this element has unsaved changes, and notify its parent of |
| 521 | * the same if any. |
| 522 | */ |
| 523 | protected void setDirty() { |
| 524 | this.dirty = true; |
| 525 | if (this.parent != null) |
| 526 | this.parent.setDirty(); |
| 527 | } |
| 528 | |
| 529 | public void setParent(Card parent) { |
| 530 | this.parent = parent; |
| 531 | for (Data data : datas) { |
| 532 | data.setParent(this); |
| 533 | } |
| 534 | } |
| 535 | } |