public static void main(String[] args) throws IOException {
if (args.length != 2) {
System.out.println(
"Usage: java lia.tools.SpellCheckerTest SpellCheckerIndexDir wordToRespell");
System.exit(1);
}
String spellCheckDir = args[0];
String wordToRespell = args[1];
Directory dir = FSDirectory.open(new File(spellCheckDir));
if (!IndexReader.indexExists(dir)) {
System.out.println(
"\nERROR: No spellchecker index at path \""
+ spellCheckDir
+ "\"; please run CreateSpellCheckerIndex first\n");
System.exit(1);
}
SpellChecker spell = new SpellChecker(dir); // #A
spell.setStringDistance(new LevensteinDistance()); // #B
// spell.setStringDistance(new JaroWinklerDistance());
String[] suggestions = spell.suggestSimilar(wordToRespell, 5); // #C
System.out.println(suggestions.length + " suggestions for '" + wordToRespell + "':");
for (String suggestion : suggestions) System.out.println(" " + suggestion);
}
/** Generate a spelling suggestion for the definitions stored in defs */
public void createSpellingSuggestions() {
IndexReader indexReader = null;
SpellChecker checker;
try {
log.info("Generating spelling suggestion index ... ");
indexReader = DirectoryReader.open(indexDirectory);
checker = new SpellChecker(spellDirectory);
// TODO below seems only to index "defs" , possible bug ?
Analyzer analyzer = AnalyzerGuru.getAnalyzer();
IndexWriterConfig iwc = new IndexWriterConfig(SearchEngine.LUCENE_VERSION, analyzer);
iwc.setOpenMode(OpenMode.CREATE_OR_APPEND);
checker.indexDictionary(new LuceneDictionary(indexReader, QueryBuilder.DEFS), iwc, false);
log.info("done");
} catch (IOException e) {
log.log(Level.SEVERE, "ERROR: Generating spelling: {0}", e);
} finally {
if (indexReader != null) {
try {
indexReader.close();
} catch (IOException e) {
log.log(Level.WARNING, "An error occured while closing reader", e);
}
}
if (spellDirectory != null) {
spellDirectory.close();
}
}
}
/**
* check the existence of the given word in the index
*
* @param indexPath index path's
* @param word String to check
* @return
* @throws IOException
*/
private boolean checkExistingWord(String indexPath, String word) throws IOException {
File file = new File(indexPath);
FSDirectory directory = FSDirectory.getDirectory(file);
SpellChecker spellChecker = new SpellChecker(directory);
return spellChecker.exist(word);
}
public ArrayList<String> didYouMean(String queryString) {
ArrayList<String> similarWords = new ArrayList<String>();
String similarWordsConcat = "";
String listSuggest[] = null;
try {
spellDir = FSDirectory.open(new File(SearcherConfiguration.getDictionaryPath()));
spellChecker = new SpellChecker(spellDir);
spellChecker.setAccuracy(0.8f);
/*
* se query è composta da più keywords
*/
if (queryString.contains(" ")) {
boolean found = false;
String[] parts = queryString.split(" ");
for (int i = 0; i < parts.length; i++) {
listSuggest = spellChecker.suggestSimilar(parts[i], 10);
if (listSuggest.length > 0) {
found = true;
similarWordsConcat += (listSuggest[listSuggest.length - 1]);
similarWordsConcat += " ";
}
}
if (found) Collections.addAll(similarWords, similarWordsConcat);
} else {
listSuggest = spellChecker.suggestSimilar(queryString, 10);
int last = listSuggest.length - 1;
if (listSuggest.length > 1) {
if ((listSuggest[last]).equals(queryString)) last--;
similarWords.add(listSuggest[last]);
}
}
spellChecker.close();
} catch (IOException e) {
e.printStackTrace();
}
return similarWords;
}
public void getSuggestions(String wordToRespell) {
try {
Directory indexDir = FSDirectory.open(Paths.get(SearchUtils.SPELL_INDEX_DIR));
// IndexReader indexReader = DirectoryReader.open(indexDir) ;
SpellChecker spell = new SpellChecker(indexDir); // #A
spell.setStringDistance(new LevensteinDistance()); // #B
spell.setStringDistance(new JaroWinklerDistance());
String[] suggestions = spell.suggestSimilar(wordToRespell, 5); // #C
System.out.println(suggestions.length + " suggestions for '" + wordToRespell + "':");
for (String suggestion : suggestions) System.out.println(" " + suggestion);
} catch (Exception e) {
e.printStackTrace();
}
}