src/cx/fbn/nevernote/sql/REnSearch.java

   1 /*\r
   2  * This file is part of NeverNote \r
   3  * Copyright 2009 Randy Baumgarte\r
   4  * \r
   5  * This file may be licensed under the terms of of the\r
   6  * GNU General Public License Version 2 (the ``GPL'').\r
   7  *\r
   8  * Software distributed under the License is distributed\r
   9  * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either\r
  10  * express or implied. See the GPL for the specific language\r
  11  * governing rights and limitations.\r
  12  *\r
  13  * You should have received a copy of the GPL along with this\r
  14  * program. If not, go to http://www.gnu.org/licenses/gpl.html\r
  15  * or write to the Free Software Foundation, Inc.,\r
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\r
  17  *\r
  18 */\r
  19 \r
  20 \r
  21 package cx.fbn.nevernote.sql;\r
  22 \r
  23 import java.text.SimpleDateFormat;\r
  24 import java.util.ArrayList;\r
  25 import java.util.Calendar;\r
  26 import java.util.GregorianCalendar;\r
  27 import java.util.List;\r
  28 import java.util.regex.Pattern;\r
  29 \r
  30 import org.apache.commons.lang.StringEscapeUtils;\r
  31 \r
  32 import com.evernote.edam.type.Note;\r
  33 import com.evernote.edam.type.Notebook;\r
  34 import com.evernote.edam.type.Tag;\r
  35 \r
  36 import cx.fbn.nevernote.sql.driver.NSqlQuery;\r
  37 import cx.fbn.nevernote.utilities.ApplicationLogger;\r
  38 \r
  39 public class REnSearch {\r
  40         \r
  41         private final List<String>      searchWords;\r
  42         private final List<String>  searchPhrases;\r
  43         private final List<String>      notebooks;\r
  44         private final List<String>      tags;\r
  45         private final List<String>      intitle;\r
  46         private final List<String>      created;\r
  47         private final List<String>      updated;\r
  48         private final List<String>      resource;\r
  49         private final List<String>      subjectDate;\r
  50         private final List<String>      longitude;\r
  51         private final List<String>      latitude;\r
  52         private final List<String>      altitude;\r
  53         private final List<String>      author;\r
  54         private final List<String>      source;\r
  55         private final List<String>      sourceApplication;\r
  56         private final List<String>      recoType;\r
  57         private final List<String>      todo;\r
  58         private final List<Tag>         tagIndex;\r
  59         private final ApplicationLogger logger;\r
  60 //      private final DatabaseConnection db;\r
  61         private boolean any;\r
  62         private int     minimumWordLength = 3;\r
  63         private int minimumRecognitionWeight = 80;\r
  64         private final DatabaseConnection conn;\r
  65         \r
  66         public REnSearch(DatabaseConnection c, ApplicationLogger l, String s, List<Tag> t, int m, int r) {\r
  67                 logger = l;\r
  68                 conn = c;\r
  69                 tagIndex = t;\r
  70                 minimumWordLength = m;\r
  71                 minimumRecognitionWeight = r;\r
  72                 searchWords = new ArrayList<String>();\r
  73                 searchPhrases = new ArrayList<String>();\r
  74                 notebooks = new ArrayList<String>();\r
  75                 tags = new ArrayList<String>();\r
  76                 intitle = new ArrayList<String>();\r
  77                 created = new  ArrayList<String>();\r
  78                 updated = new ArrayList<String>();\r
  79                 resource = new ArrayList<String>();\r
  80                 subjectDate = new ArrayList<String>();\r
  81                 longitude = new ArrayList<String>();\r
  82                 latitude = new ArrayList<String>();\r
  83                 altitude = new ArrayList<String>();\r
  84                 author = new ArrayList<String>();\r
  85                 source = new ArrayList<String>();\r
  86                 sourceApplication = new ArrayList<String>();\r
  87                 recoType = new ArrayList<String>();\r
  88                 todo = new ArrayList<String>();\r
  89                 any = false;\r
  90                 \r
  91                 if (s == null) \r
  92                         return;\r
  93                 if (s.trim().equals(""))\r
  94                         return;\r
  95                 \r
  96                 resolveSearch(s);\r
  97         }\r
  98                 \r
  99         public List<String> getWords() { return searchWords; }\r
 100         public List<String> getNotebooks() { return notebooks; }\r
 101         public List<String> getIntitle() {      return intitle; }\r
 102         public List<String> getTags() { return tags; }\r
 103         public List<String> getResource() {     return resource; }\r
 104         public List<String> getAuthor() { return author; }      \r
 105         public List<String> getSource() { return source; }      \r
 106         public List<String> getSourceApplication() { return sourceApplication; }        \r
 107         public List<String> getRecoType() {     return recoType; }      \r
 108         public List<String> getToDo() { return todo; }\r
 109         public List<String> getLongitude() { return longitude; }\r
 110         public List<String> getLatitude() { return latitude; }\r
 111         public List<String> getAltitude() { return altitude; }\r
 112         public List<String> getCreated() { return created; }\r
 113         public List<String> getUpdated() { return updated; }\r
 114         public List<String> getSubjectDate() { return subjectDate; }\r
 115         \r
 116 \r
 117         // match tag names\r
 118         private boolean matchTagsAll(List<String> tagNames) {\r
 119                 List<String> list = getTags();\r
 120                                 \r
 121                 for (int j=0; j<list.size(); j++) {\r
 122                         boolean negative = false;\r
 123                         negative = false;\r
 124                         if (list.get(j).startsWith("-"))\r
 125                                 negative = true;\r
 126                         int pos = list.get(j).indexOf(":");\r
 127                         String filterName = cleanupWord(list.get(j).substring(pos+1));\r
 128                         filterName = filterName.replace("*", ".*");   // setup for regular expression pattern match\r
 129                         \r
 130                         if (tagNames.size() == 0 && !negative)\r
 131                                 return false;\r
 132                         if (tagNames.size() == 0 && negative)\r
 133                                 return true;\r
 134                         \r
 135                         boolean good = false;\r
 136                         for (int i=0; i<tagNames.size() && !good; i++) {                \r
 137                                 boolean matches = Pattern.matches(filterName.toLowerCase(),tagNames.get(i).toLowerCase());\r
 138                                 if (matches && !negative)\r
 139                                         good = true;\r
 140                                 if (!matches && negative)\r
 141                                         good = true;\r
 142                         }\r
 143                         if (!good)\r
 144                                 return false;\r
 145                 }\r
 146                 return true;\r
 147         }\r
 148         \r
 149         // match tag names\r
 150         private boolean matchTagsAny(List<String> tagNames) {\r
 151                 List<String> list = getTags();\r
 152                 if (list.size() == 0)\r
 153                         return true;\r
 154                 \r
 155                 boolean negative = false;               \r
 156                 boolean found = false;\r
 157                 \r
 158                 for (int j=0; j<list.size(); j++) {\r
 159                         negative = false;\r
 160                         if (list.get(j).startsWith("-"))\r
 161                                 negative = true;\r
 162                         int pos = list.get(j).indexOf(":");\r
 163                         String filterName = cleanupWord(list.get(j).substring(pos+1));\r
 164                         filterName = filterName.replace("*", ".*");   // setup for regular expression pattern match\r
 165                         \r
 166                         if (tagNames.size() == 0)\r
 167                                 found = false;\r
 168 \r
 169                         for (int i=0; i<tagNames.size(); i++) {         \r
 170                                 boolean matches = Pattern.matches(filterName.toLowerCase(),tagNames.get(i).toLowerCase());\r
 171                                 if (matches)\r
 172                                         found = true;\r
 173                         }\r
 174                 }\r
 175                 if (negative)\r
 176                         return !found;\r
 177                 else\r
 178                         return found;\r
 179         }\r
 180         \r
 181         // Match notebooks in search terms against notes\r
 182         private boolean matchNotebook(String guid) {\r
 183                 if (getNotebooks().size() == 0)\r
 184                         return true;\r
 185                 NotebookTable bookTable = new NotebookTable(logger, conn);\r
 186                 List<Notebook> books = bookTable.getAll();\r
 187 \r
 188                 String name = new String("");\r
 189                 for (int i=0; i<books.size(); i++) {\r
 190                         if (guid.equalsIgnoreCase(books.get(i).getGuid())) {\r
 191                                 name = books.get(i).getName();\r
 192                                 i=books.size();\r
 193                         }\r
 194                 }\r
 195                 if (any)\r
 196                         return matchListAny(getNotebooks(), name);\r
 197                 else\r
 198                         return matchListAll(getNotebooks(), name);\r
 199         }\r
 200         // Match notebooks in search terms against notes\r
 201         private boolean matchListAny(List<String> list, String title) {\r
 202                 if (list.size() == 0)\r
 203                         return true;\r
 204                 boolean negative = false;\r
 205                 boolean found = false;\r
 206                 for (int i=0; i<list.size(); i++) {\r
 207                         int pos = list.get(i).indexOf(":");\r
 208                         negative = false;\r
 209                         if (list.get(i).startsWith("-"))\r
 210                                 negative = true;\r
 211                         String filterName = cleanupWord(list.get(i).substring(pos+1));\r
 212                         filterName = filterName.replace("*", ".*");   // setup for regular expression pattern match\r
 213                         boolean matches = Pattern.matches(filterName.toLowerCase(),title.toLowerCase());\r
 214                         if (matches)\r
 215                                 found = true;\r
 216                 }\r
 217                 if (negative)\r
 218                         return !found;\r
 219                 else\r
 220                         return found;\r
 221         }\r
 222         // Match notebooks in search terms against notes\r
 223         private boolean matchContentAny(Note n) {\r
 224                 if (todo.size() == 0 && resource.size() == 0 && searchPhrases.size() == 0)\r
 225                         return true;\r
 226 \r
 227                 // pull back the record\r
 228                 n = conn.getNoteTable().getNote(n.getGuid(), true, true, false, false, false);\r
 229 \r
 230                 // Check for search phrases\r
 231                 String text = StringEscapeUtils.unescapeHtml(n.getContent().replaceAll("\\<.*?\\>", "")).toLowerCase();\r
 232                 boolean negative = false;\r
 233                 for (int i=0; i<searchPhrases.size(); i++) {\r
 234                         String phrase = searchPhrases.get(i);\r
 235                         if (phrase.startsWith("-")) {\r
 236                                 negative = true;\r
 237                                 phrase = phrase.substring(1);\r
 238                         } else\r
 239                                 negative = false;\r
 240                         phrase = phrase.substring(1);\r
 241                         phrase = phrase.substring(0,phrase.length()-1);\r
 242                         if (text.indexOf(phrase)>=0) {\r
 243                                 if (negative)\r
 244                                         return false;\r
 245                                 else\r
 246                                         return true;\r
 247                         }\r
 248                         if (text.indexOf(phrase)<0 && negative)\r
 249                                 return true;\r
 250                 }\r
 251                 \r
 252                 for (int i=0; i<todo.size(); i++) {\r
 253                         String value = todo.get(i);\r
 254                         value = value.replace("\"", "");\r
 255                         boolean desiredState;\r
 256                         if (!value.endsWith(":false") && !value.endsWith(":true") && !value.endsWith(":*") && !value.endsWith("*"))\r
 257                                 return false;\r
 258                         if (value.endsWith(":false"))\r
 259                                 desiredState = false;\r
 260                         else\r
 261                                 desiredState = true;\r
 262                         if (value.startsWith("-"))\r
 263                                 desiredState = !desiredState;\r
 264                         int pos = n.getContent().indexOf("<en-todo");\r
 265                         if (pos == -1 && value.startsWith("-") && (value.endsWith("*") || value.endsWith(":")))\r
 266                                 return true;\r
 267                         if (value.endsWith("*"))\r
 268                                 return true;\r
 269                         while (pos > -1) {\r
 270                                 int endPos = n.getContent().indexOf("/>", pos);\r
 271                                 String segment = n.getContent().substring(pos, endPos);\r
 272                                 boolean currentState;\r
 273                                 if (segment.toLowerCase().indexOf("checked=\"true\"") == -1)\r
 274                                         currentState = false;\r
 275                                 else\r
 276                                         currentState = true;\r
 277                                 if (desiredState == currentState)\r
 278                                         return true;\r
 279                                 \r
 280                                 pos = n.getContent().indexOf("<en-todo", pos+1);\r
 281                         }\r
 282                 }\r
 283                 \r
 284                 // Check resources\r
 285                 for (int i=0; i<resource.size(); i++) {\r
 286                         String resourceString = resource.get(i);\r
 287                         resourceString = resourceString.replace("\"", "");\r
 288                         if (resourceString.startsWith("-"))\r
 289                                 negative = true;\r
 290                         resourceString = resourceString.substring(resourceString.indexOf(":")+1);\r
 291                         for (int j=0; j<n.getResourcesSize(); j++) {\r
 292                                 boolean match = stringMatch(n.getResources().get(j).getMime(), resourceString, negative);\r
 293                                 if (match)\r
 294                                         return true;\r
 295                         }\r
 296                 }\r
 297                 return false;\r
 298         }\r
 299         \r
 300         \r
 301         // Take the initial search & split it apart\r
 302         private void resolveSearch(String search) {\r
 303                 List<String> words = new ArrayList<String>();\r
 304                 StringBuffer b = new StringBuffer(search);\r
 305                 \r
 306                 int len = search.length();\r
 307                 char nextChar = ' ';\r
 308                 boolean quote = false;\r
 309                 for (int i=0; i<len; i++) {\r
 310                         if (search.charAt(i)==nextChar && !quote) {\r
 311                                 b.setCharAt(i,'\0');\r
 312                                 nextChar = ' ';\r
 313                         } else {\r
 314                                 if (search.charAt(i)=='\"') {\r
 315                                         if (!quote) {\r
 316                                                 quote=true;\r
 317                                         } else {\r
 318                                                 quote=false;\r
 319                                         }\r
 320                                 }\r
 321                         }\r
 322                         if (((i+2)<len) && search.charAt(i) == '\\') {\r
 323                                 i=i+2;\r
 324                         }\r
 325                 }\r
 326                 \r
 327                 search = b.toString();\r
 328                 int pos = 0;\r
 329                 for (int i=0; i<search.length(); i++) {\r
 330                         if (search.charAt(i) == '\0') {\r
 331                                 search = search.substring(1);\r
 332                                 i=0;\r
 333                         } else {\r
 334                                 pos = search.indexOf('\0');\r
 335                                 if (pos > 0) {\r
 336                                         words.add(search.substring(0,pos).toLowerCase());\r
 337                                         search = search.substring(pos);\r
 338                                         i=0;\r
 339                                 }\r
 340                         }\r
 341                 }\r
 342                 if (search.charAt(0)=='\0')     \r
 343                         words.add(search.substring(1).toLowerCase());\r
 344                 else\r
 345                         words.add(search.toLowerCase());\r
 346                 parseTerms(words);\r
 347         }\r
 348 \r
 349         \r
 350         // Parse out individual words into separate lists\r
 351         // Supported options\r
 352         // Tags\r
 353         // Notebooks\r
 354         // Intitle\r
 355         // author\r
 356         // source\r
 357         // source application\r
 358         // created\r
 359         // updated\r
 360         // subject date\r
 361 \r
 362         private void parseTerms(List<String> words) {\r
 363                 int minLen = minimumWordLength;\r
 364                 \r
 365                 for (int i=0; i<words.size(); i++) {\r
 366                         String word = words.get(i);\r
 367                         int pos = word.indexOf(":");\r
 368                         if (word.startsWith("any:")) {\r
 369                                 any = true;\r
 370                                 word = word.substring(4).trim();\r
 371                                 pos = word.indexOf(":");\r
 372                         }\r
 373                         boolean searchPhrase = false;\r
 374                         if (pos < 0 && word.indexOf(" ") > 0) {\r
 375                                 searchPhrase=true;\r
 376                                 searchPhrases.add(word.toLowerCase());\r
 377                         }\r
 378                         if (!searchPhrase && pos < 0 && (word.length() >= minLen || word.indexOf('*')>=0)) \r
 379                                 getWords().add(word);\r
 380                         if (word.startsWith("intitle:")) \r
 381                                 intitle.add("*"+word+"*");\r
 382                         if (word.startsWith("-intitle:")) \r
 383                                 intitle.add("*"+word+"*");\r
 384                         if (word.startsWith("notebook:")) \r
 385                                 notebooks.add(word);\r
 386                         if (word.startsWith("-notebook:")) \r
 387                                 notebooks.add(word);\r
 388                         if (word.startsWith("tag:")) \r
 389                                 tags.add(word);\r
 390                         if (word.startsWith("-tag:")) \r
 391                                 tags.add(word);\r
 392                         if (word.startsWith("resource:")) \r
 393                                 resource.add(word);\r
 394                         if (word.startsWith("-resource:")) \r
 395                                 resource.add(word);\r
 396                         if (word.startsWith("author:")) \r
 397                                 author.add(word);\r
 398                         if (word.startsWith("-author:")) \r
 399                                 author.add(word);\r
 400                         if (word.startsWith("source:")) \r
 401                                 source.add(word);\r
 402                         if (word.startsWith("-source:")) \r
 403                                 source.add(word);\r
 404                         if (word.startsWith("sourceapplication:")) \r
 405                                 sourceApplication.add(word);\r
 406                         if (word.startsWith("-sourceapplication:")) \r
 407                                 sourceApplication.add(word);\r
 408                         if (word.startsWith("recotype:")) \r
 409                                 recoType.add(word);\r
 410                         if (word.startsWith("-recotype:")) \r
 411                                 recoType.add(word);\r
 412                         if (word.startsWith("todo:")) \r
 413                                 todo.add(word);\r
 414                         if (word.startsWith("-todo:")) \r
 415                                 todo.add(word);\r
 416 \r
 417                         if (word.startsWith("latitude:")) \r
 418                                 latitude.add(word);\r
 419                         if (word.startsWith("-latitude:")) \r
 420                                 latitude.add(word);\r
 421                         if (word.startsWith("longitude:")) \r
 422                                 longitude.add(word);\r
 423                         if (word.startsWith("-longitude:")) \r
 424                                 longitude.add(word);\r
 425                         if (word.startsWith("altitude:")) \r
 426                                 altitude.add(word);\r
 427                         if (word.startsWith("-altitude:")) \r
 428                                 altitude.add(word);\r
 429 \r
 430                         if (word.startsWith("created:")) \r
 431                                 created.add(word);\r
 432                         if (word.startsWith("-created:")) \r
 433                                 created.add(word);\r
 434                         if (word.startsWith("updated:")) \r
 435                                 updated.add(word);\r
 436                         if (word.startsWith("-updated:")) \r
 437                                 updated.add(word);\r
 438                         if (word.startsWith("subjectdate:")) \r
 439                                 created.add(word);\r
 440                         if (word.startsWith("-subjectdate:")) \r
 441                                 created.add(word);\r
 442 \r
 443                 }\r
 444         }\r
 445         // Match notebooks in search terms against notes\r
 446         private boolean matchListAll(List<String> list, String title) {\r
 447                 if (list.size() == 0)\r
 448                         return true;\r
 449                 boolean negative = false;\r
 450                 for (int i=0; i<list.size(); i++) {\r
 451                         int pos = list.get(i).indexOf(":");\r
 452                         negative = false;\r
 453                         if (list.get(i).startsWith("-"))\r
 454                                 negative = true;\r
 455                         String filterName = cleanupWord(list.get(i).substring(pos+1));\r
 456                         filterName = filterName.replace("*", ".*");   // setup for regular expression pattern match\r
 457                         boolean matches = Pattern.matches(filterName.toLowerCase(),title.toLowerCase());\r
 458                         if (matches && negative)\r
 459                                 return false;\r
 460                         if (matches && !negative)\r
 461                                 return true;\r
 462                 }\r
 463                 if (negative)\r
 464                         return true;\r
 465                 else\r
 466                         return false;\r
 467         }\r
 468         // Match notebooks in search terms against notes\r
 469         private boolean matchContentAll(Note n) {\r
 470                 if (todo.size() == 0 && resource.size() == 0 && searchPhrases.size() == 0)\r
 471                         return true;\r
 472                 \r
 473                 boolean returnTodo = false;\r
 474                 boolean returnResource = false;\r
 475                 boolean returnPhrase = false;\r
 476                 \r
 477                 if (todo.size() == 0)\r
 478                         returnTodo = true;\r
 479                 if (resource.size() == 0)\r
 480                         returnResource = true;\r
 481                 if (searchPhrases.size() == 0)\r
 482                         returnPhrase = true;\r
 483                 \r
 484                 \r
 485                 n = conn.getNoteTable().getNote(n.getGuid(), true, true, false, false, false);\r
 486                 \r
 487                 // Check for search phrases\r
 488                 String text = StringEscapeUtils.unescapeHtml(n.getContent().replaceAll("\\<.*?\\>", "")).toLowerCase();\r
 489                 boolean negative = false;\r
 490                 for (int i=0; i<searchPhrases.size(); i++) {\r
 491                         String phrase = searchPhrases.get(i);\r
 492                         if (phrase.startsWith("-")) {\r
 493                                 negative = true;\r
 494                                 phrase = phrase.substring(1);\r
 495                         } else\r
 496                                 negative = false;\r
 497                         phrase = phrase.substring(1);\r
 498                         phrase = phrase.substring(0,phrase.length()-1);\r
 499                         if (text.indexOf(phrase)>=0) {\r
 500                                 if (!negative)\r
 501                                         returnPhrase = true;\r
 502                         }\r
 503                         if (text.indexOf(phrase)<0 && negative)\r
 504                                 returnPhrase = true;\r
 505                 }\r
 506 \r
 507                 \r
 508                 for (int i=0; i<todo.size(); i++) {\r
 509                         String value = todo.get(i);\r
 510                         value = value.replace("\"", "");\r
 511                         boolean desiredState;\r
 512                         if (!value.endsWith(":false") && !value.endsWith(":true") && !value.endsWith(":*") && !value.endsWith("*"))\r
 513                                 return false;\r
 514                         if (value.endsWith(":false"))\r
 515                                 desiredState = false;\r
 516                         else\r
 517                                 desiredState = true;\r
 518                         if (value.startsWith("-"))\r
 519                                 desiredState = !desiredState;\r
 520                         int pos = n.getContent().indexOf("<en-todo");\r
 521                         if (pos == -1 && value.startsWith("-") && (value.endsWith("*") || value.endsWith(":")))\r
 522                                 return true;\r
 523                         if (pos > -1 && value.startsWith("-") && (value.endsWith("*") || value.endsWith(":")))\r
 524                                 return false;\r
 525                         if (pos == -1) \r
 526                                 return false;\r
 527                         if (value.endsWith("*"))\r
 528                                 returnTodo = true;\r
 529                         while (pos > -1) {\r
 530                                 int endPos = n.getContent().indexOf("/>", pos);\r
 531                                 String segment = n.getContent().substring(pos, endPos);\r
 532                                 boolean currentState;\r
 533                                 if (segment.toLowerCase().indexOf("checked=\"true\"") == -1)\r
 534                                         currentState = false;\r
 535                                 else\r
 536                                         currentState = true;\r
 537                                 if (desiredState == currentState)\r
 538                                         returnTodo = true;\r
 539                                 \r
 540                                 pos = n.getContent().indexOf("<en-todo", pos+1);\r
 541                         }\r
 542                 }\r
 543                 \r
 544                 // Check resources\r
 545                 for (int i=0; i<resource.size(); i++) {\r
 546                         String resourceString = resource.get(i);\r
 547                         resourceString = resourceString.replace("\"", "");\r
 548                         negative = false;\r
 549                         if (resourceString.startsWith("-"))\r
 550                                 negative = true;\r
 551                         resourceString = resourceString.substring(resourceString.indexOf(":")+1);\r
 552                         if (resourceString.equals(""))\r
 553                                 return false;\r
 554                         for (int j=0; j<n.getResourcesSize(); j++) {\r
 555                                 boolean match = stringMatch(n.getResources().get(j).getMime(), resourceString, negative);\r
 556                                 if (!match)\r
 557                                         return false;\r
 558                                 returnResource = true;\r
 559                         }\r
 560                 }\r
 561                 \r
 562                 return returnResource && returnTodo && returnPhrase;\r
 563         }\r
 564         \r
 565         private boolean stringMatch(String content, String text, boolean negative) {\r
 566                 String regex;\r
 567                 if (content == null && !negative)\r
 568                         return false;\r
 569                 if (content == null && negative)\r
 570                         return true;\r
 571                 \r
 572                 if (text.endsWith("*")) {\r
 573                         text = text.substring(0,text.length()-1);\r
 574                         regex = text;\r
 575                 } else {\r
 576                         regex = text;\r
 577                 }\r
 578                 content = content.toLowerCase();\r
 579                 regex = regex.toLowerCase();\r
 580                 boolean matches = content.startsWith(regex);\r
 581                 if (negative)\r
 582                         return !matches;\r
 583                 return matches;\r
 584         }\r
 585         \r
 586         // Remove odd strings from search terms\r
 587         private String cleanupWord(String word) {\r
 588                 if (word.startsWith("\""))\r
 589                         word = word.substring(1);\r
 590                 if (word.endsWith("\""))\r
 591             word = word.substring(0,word.length()-1);\r
 592                 word = word.replace("\\\"","\"");\r
 593                 word = word.replace("\\\\","\\");\r
 594                 \r
 595                 return word;\r
 596         }\r
 597 \r
 598         \r
 599         // Match dates\r
 600         private boolean matchDatesAll(List<String> dates, long noteDate) {\r
 601                 if (dates.size()== 0) \r
 602                         return true;\r
 603                 \r
 604                 boolean negative = false;\r
 605                 for (int i=0; i<dates.size(); i++) {\r
 606                         String requiredDate = dates.get(i);\r
 607                         if (requiredDate.startsWith("-"))\r
 608                                 negative = true;\r
 609                         \r
 610                         int response = 0;\r
 611                         requiredDate = requiredDate.substring(requiredDate.indexOf(":")+1);\r
 612                         try {\r
 613                                 response = dateCheck(requiredDate, noteDate);\r
 614                         } catch (java.lang.NumberFormatException e) {return false;}  {\r
 615                                 if (negative && response < 0)\r
 616                                         return false;\r
 617                                 if (!negative && response > 0)\r
 618                                         return false;\r
 619                         }\r
 620                 }\r
 621                 return true;\r
 622         }\r
 623         private boolean matchDatesAny(List<String> dates, long noteDate) {\r
 624                 if (dates.size()== 0) \r
 625                         return true;\r
 626                 \r
 627                 boolean negative = false;\r
 628                 for (int i=0; i<dates.size(); i++) {\r
 629                         String requiredDate = dates.get(i);\r
 630                         if (requiredDate.startsWith("-"))\r
 631                                 negative = true;\r
 632                         \r
 633                         int response = 0;\r
 634                         requiredDate = requiredDate.substring(requiredDate.indexOf(":")+1);\r
 635                         try {\r
 636                                 response = dateCheck(requiredDate, noteDate);\r
 637                         } catch (java.lang.NumberFormatException e) {return false;}  {\r
 638                                 if (negative && response > 0)\r
 639                                         return true;\r
 640                                 if (!negative && response < 0)\r
 641                                         return true;\r
 642                         }\r
 643                 }\r
 644                 return false;\r
 645         }\r
 646         \r
 647         @SuppressWarnings("unused")\r
 648         private void printCalendar(Calendar calendar) {\r
 649                 // define output format and print\r
 650                 SimpleDateFormat sdf = new SimpleDateFormat("d MMM yyyy hh:mm:ss aaa");\r
 651                 String date = sdf.format(calendar.getTime());\r
 652                 System.err.print(date);\r
 653                 calendar = new GregorianCalendar();\r
 654         }\r
 655         \r
 656         \r
 657         //****************************************\r
 658         //****************************************\r
 659         // Match search terms against notes\r
 660         //****************************************\r
 661         //****************************************\r
 662         public List<Note> matchWords() {\r
 663                 logger.log(logger.EXTREME, "Inside EnSearch.matchWords()");\r
 664                 \r
 665                 StringBuffer buffer = new StringBuffer(100);\r
 666                 Integer counter = 0;\r
 667                 boolean subSelect = false;\r
 668                 \r
 669                 buffer.append("Select guid from Note ");\r
 670                 if (searchWords.size() > 0) \r
 671                         subSelect = true;\r
 672                 if (subSelect) {\r
 673                         buffer.append(" where guid in ");\r
 674                 \r
 675                         // Build the query words\r
 676                         String connector;\r
 677                         if (any)\r
 678                                 connector = new String("or");\r
 679                         else\r
 680                                 connector = new String("and");\r
 681                         for (int i=0; i<getWords().size(); i++) {\r
 682                                 buffer.append("(Select distinct guid from words where ");\r
 683                                 buffer.append("weight >= :weight"+counter.toString() +" and ");\r
 684                                 if (getWords().get(i).indexOf("*")==-1)\r
 685                                         buffer.append("word=:word" +counter.toString());\r
 686                                 else\r
 687                                         buffer.append("word like :word" +counter.toString());\r
 688                                 counter++;\r
 689                                 buffer.append(") ");\r
 690                                 if (i < getWords().size() -1)\r
 691                                         buffer.append(" " +connector +" guid in ");\r
 692                         }\r
 693                 }\r
 694                 \r
 695                 NSqlQuery query = new NSqlQuery(conn.getConnection());\r
 696                 \r
 697                 if (!query.prepare(buffer.toString()))\r
 698                         logger.log(logger.HIGH, "EnSearch Sql Prepare Failed:" +query.lastError());\r
 699                 \r
 700                 if (subSelect) {\r
 701                         // Do the binding\r
 702                         Integer binder = 0;\r
 703                         for (int i=0; i<getWords().size(); i++) {\r
 704                                 String val = getWords().get(i);\r
 705                                 val = val.replace('*', '%');\r
 706                                 query.bindValue(":weight"+binder.toString(), minimumRecognitionWeight);\r
 707                                 query.bindValue(":word"+binder.toString(), cleanupWord(val));\r
 708                                 binder++;\r
 709                         }       \r
 710                 }\r
 711 \r
 712                 List<Note> guids = new ArrayList<Note>();\r
 713                 NoteTable noteTable = new NoteTable(logger, conn);  \r
 714                 if (!query.exec()) \r
 715                         logger.log(logger.EXTREME, "EnSearch.matchWords query failed: " +query.lastError());\r
 716                 List<String> validGuids = new ArrayList<String>();\r
 717                 while (query.next()) {\r
 718                         String guid = query.valueString(0);\r
 719                         validGuids.add(guid);\r
 720                 }\r
 721 \r
 722                 List<Note> noteIndex = noteTable.getAllNotes();\r
 723                 for (int i=0; i<noteIndex.size(); i++) {\r
 724                         Note n = noteIndex.get(i);\r
 725                         boolean good = true;\r
 726                         \r
 727                         if (!validGuids.contains(n.getGuid()))\r
 728                                 good = false;\r
 729                                                 \r
 730                         // Start matching special stuff, like tags & notebooks\r
 731                         if (any) {\r
 732                                 if (good && !matchTagsAny(n.getTagNames()))\r
 733                                         good = false;\r
 734                                 if (good && !matchNotebook(n.getNotebookGuid()))\r
 735                                         good = false;\r
 736                                 if (good && !matchListAny(getIntitle(), n.getTitle()))\r
 737                                         good = false;\r
 738                                 if (good && !matchListAny(getAuthor(), n.getAttributes().getAuthor()))\r
 739                                         good = false;\r
 740                                 if (good && !matchListAny(getSource(), n.getAttributes().getSource()))\r
 741                                         good = false;\r
 742                                 if (good && !matchListAny(getSourceApplication(), n.getAttributes().getSourceApplication()))\r
 743                                         good = false;\r
 744                                 if (good && !matchContentAny(n))\r
 745                                         good = false;\r
 746                                 if (good && !matchDatesAny(getCreated(), n.getCreated()))\r
 747                                         good = false;\r
 748                                 if (good && !matchDatesAny(getUpdated(), n.getUpdated()))\r
 749                                         good = false;\r
 750                                 if (good && n.getAttributes() != null && !matchDatesAny(getSubjectDate(), n.getAttributes().getSubjectDate()))\r
 751                                         good = false;\r
 752                         } else {\r
 753                                 if (good && !matchTagsAll(n.getTagNames()))\r
 754                                         good = false;\r
 755                                 if (good && !matchNotebook(n.getNotebookGuid()))\r
 756                                         good = false;\r
 757                                 if (good && !matchListAll(getIntitle(), n.getTitle()))\r
 758                                         good = false;\r
 759                                 if (good && !matchListAll(getAuthor(), n.getAttributes().getAuthor()))\r
 760                                         good = false;\r
 761                                 if (good && !matchListAll(getSource(), n.getAttributes().getSource()))\r
 762                                         good = false;\r
 763                                 if (good && !matchListAll(getSourceApplication(), n.getAttributes().getSourceApplication()))\r
 764                                         good = false;\r
 765                                 if (good && !matchContentAll(n))\r
 766                                         good = false;\r
 767                                 if (good && !matchDatesAll(getCreated(), n.getCreated()))\r
 768                                         good = false;\r
 769                                 if (good && !matchDatesAll(getUpdated(), n.getUpdated()))\r
 770                                         good = false;\r
 771                                 if (good && n.getAttributes() != null && !matchDatesAll(getSubjectDate(), n.getAttributes().getSubjectDate()))\r
 772                                         good = false;\r
 773                         }\r
 774                         if (good) {\r
 775                                 guids.add(n);\r
 776                         }\r
 777                 }\r
 778                 \r
 779                 // For performance reasons, we didn't get the tags for every note individually.  We now need to \r
 780                 // get them\r
 781                 List<NoteTagsRecord> noteTags = noteTable.noteTagsTable.getAllNoteTags();\r
 782                 for (int i=0; i<guids.size(); i++) {\r
 783                         List<String> tags = new ArrayList<String>();\r
 784                         List<String> names = new ArrayList<String>();\r
 785                         for (int j=0; j<noteTags.size(); j++) {\r
 786                                 if (guids.get(i).getGuid().equals(noteTags.get(j).noteGuid)) {\r
 787                                         tags.add(noteTags.get(j).tagGuid);\r
 788                                         names.add(getTagNameByGuid(noteTags.get(j).tagGuid));\r
 789                                 }\r
 790                         }\r
 791                         \r
 792                         guids.get(i).setTagGuids(tags);\r
 793                         guids.get(i).setTagNames(names);\r
 794                 };\r
 795                 logger.log(logger.EXTREME, "Leaving EnSearch.matchWords()");\r
 796                 return guids;\r
 797         }\r
 798         \r
 799         \r
 800         \r
 801         private String getTagNameByGuid(String guid) {\r
 802                 for (int i=0; i<tagIndex.size(); i++) {\r
 803                         if (tagIndex.get(i).getGuid().equals(guid)) \r
 804                                         return tagIndex.get(i).getName();\r
 805                 }               \r
 806                 return "";\r
 807         }\r
 808 \r
 809         // Compare dates\r
 810         public int dateCheck(String date, long noteDate)  throws java.lang.NumberFormatException  {\r
 811                 int offset = 0;\r
 812                 boolean found = false;\r
 813                 GregorianCalendar calendar = new GregorianCalendar();\r
 814                 \r
 815                 if (date.contains("-")) {\r
 816                         String modifier = date.substring(date.indexOf("-")+1);\r
 817                         offset = new Integer(modifier);\r
 818                         offset = 0-offset;\r
 819                         date = date.substring(0,date.indexOf("-"));\r
 820                 }\r
 821                 \r
 822                 if (date.contains("+")) {\r
 823                         String modifier = date.substring(date.indexOf("+")+1);\r
 824                         offset = new Integer(modifier);\r
 825                         date = date.substring(0,date.indexOf("+"));\r
 826                 }\r
 827                 \r
 828                 if (date.equalsIgnoreCase("today")) {\r
 829                         calendar.add(Calendar.DATE, offset);\r
 830                         calendar.set(Calendar.HOUR, 0);\r
 831                         calendar.set(Calendar.MINUTE, 0);\r
 832                         calendar.set(Calendar.SECOND, 1);\r
 833                         found = true;\r
 834                 }\r
 835                 \r
 836                 if (date.equalsIgnoreCase("month")) {\r
 837                         calendar.add(Calendar.MONTH, offset);\r
 838                         calendar.set(Calendar.DAY_OF_MONTH, 1);\r
 839                         calendar.set(Calendar.HOUR, 0);\r
 840                         calendar.set(Calendar.MINUTE, 0);\r
 841                         calendar.set(Calendar.SECOND, 1);\r
 842                         found = true;\r
 843                 }\r
 844 \r
 845                 if (date.equalsIgnoreCase("year")) {\r
 846                         calendar.add(Calendar.YEAR, offset);\r
 847                         calendar.set(Calendar.MONTH, Calendar.JANUARY);\r
 848                         calendar.set(Calendar.DAY_OF_MONTH, 1);\r
 849                         calendar.set(Calendar.HOUR, 0);\r
 850                         calendar.set(Calendar.MINUTE, 0);\r
 851                         calendar.set(Calendar.SECOND, 1);\r
 852                         found = true;\r
 853                 }\r
 854 \r
 855                 if (date.equalsIgnoreCase("week")) {\r
 856                         calendar.add(Calendar.DATE, 0-calendar.get(Calendar.DAY_OF_WEEK)+1);\r
 857                         calendar.add(Calendar.DATE,(offset*7));\r
 858                         calendar.set(Calendar.HOUR, 0);\r
 859                         calendar.set(Calendar.MINUTE, 0);\r
 860                         calendar.set(Calendar.SECOND, 1);\r
 861 \r
 862                         found = true;\r
 863                 }\r
 864                 \r
 865                 // If nothing was found, then we have a date number\r
 866                 if (!found) {\r
 867                         calendar = stringToGregorianCalendar(date);\r
 868                 }\r
 869                 \r
 870                 \r
 871                 String dateTimeFormat = new String("yyyyMMdd-HHmmss");\r
 872                 SimpleDateFormat simple = new SimpleDateFormat(dateTimeFormat);\r
 873                 StringBuilder creationDate = new StringBuilder(simple.format(noteDate));\r
 874                 GregorianCalendar nCalendar = stringToGregorianCalendar(creationDate.toString().replace("-", "T"));\r
 875                 if (calendar == null || nCalendar == null)  // If we have something invalid, it automatically fails\r
 876                         return 1;\r
 877                 return calendar.compareTo(nCalendar);\r
 878         }\r
 879         private GregorianCalendar stringToGregorianCalendar(String date) {\r
 880                 String datePart = date;\r
 881                 GregorianCalendar calendar = new GregorianCalendar();\r
 882                 boolean GMT = false;\r
 883                 String timePart = "";\r
 884                 if (date.contains("T")) {\r
 885                         datePart = date.substring(0,date.indexOf("T"));\r
 886                         timePart = date.substring(date.indexOf("T")+1);\r
 887                 } else {\r
 888                         timePart = "000001";\r
 889                 }\r
 890                 if (datePart.length() != 8)\r
 891                         return null;\r
 892                 calendar.set(Calendar.YEAR, new Integer(datePart.substring(0,4)));\r
 893                 calendar.set(Calendar.MONTH, new Integer(datePart.substring(4,6))-1);\r
 894                 calendar.set(Calendar.DAY_OF_MONTH, new Integer(datePart.substring(6)));\r
 895                 if (timePart.endsWith("Z")) {\r
 896                         GMT = true;\r
 897                         timePart = timePart.substring(0,timePart.length()-1);\r
 898                 }\r
 899                 timePart = timePart.concat("000000");\r
 900                 timePart = timePart.substring(0,6);\r
 901                 calendar.set(Calendar.HOUR, new Integer(timePart.substring(0,2)));\r
 902                 calendar.set(Calendar.MINUTE, new Integer(timePart.substring(2,4)));\r
 903                 calendar.set(Calendar.SECOND, new Integer(timePart.substring(4)));\r
 904                 if (GMT)\r
 905                         calendar.set(Calendar.ZONE_OFFSET, -1*(calendar.get(Calendar.ZONE_OFFSET)/(1000*60*60)));\r
 906                 return calendar;\r
 907 \r
 908         }\r
 909                 \r
 910 }\r