org.apache.lucene.analysis.util.CharTokenizer Java Examples

The following examples show how to use org.apache.lucene.analysis.util.CharTokenizer. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: CharGroupTokenizerFactory.java    From crate with Apache License 2.0 6 votes vote down vote up 
@Override
public Tokenizer create() {
    return new CharTokenizer() {
        @Override
        protected boolean isTokenChar(int c) {
            if (tokenizeOnSpace && Character.isWhitespace(c)) {
                return false;
            }
            if (tokenizeOnLetter && Character.isLetter(c)) {
                return false;
            }
            if (tokenizeOnDigit && Character.isDigit(c)) {
                return false;
            }
            if (tokenizeOnPunctuation && CharMatcher.Basic.PUNCTUATION.isTokenChar(c)) {
                return false;
            }
            if (tokenizeOnSymbol && CharMatcher.Basic.SYMBOL.isTokenChar(c)) {
                return false;
            }
            return !tokenizeOnChars.contains(c);
        }
    };
}
Example #2
Source File: WhitespaceTokenizerFactory.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
/** Creates a new WhitespaceTokenizerFactory */
public WhitespaceTokenizerFactory(Map<String,String> args) {
  super(args);

  rule = get(args, "rule", RULE_NAMES, RULE_JAVA);
  maxTokenLen = getInt(args, "maxTokenLen", CharTokenizer.DEFAULT_MAX_WORD_LEN);
  if (maxTokenLen > MAX_TOKEN_LENGTH_LIMIT || maxTokenLen <= 0) {
    throw new IllegalArgumentException("maxTokenLen must be greater than 0 and less than " + MAX_TOKEN_LENGTH_LIMIT + " passed: " + maxTokenLen);
  }
  if (!args.isEmpty()) {
    throw new IllegalArgumentException("Unknown parameters: " + args);
  }
}
Example #3
Source File: LetterTokenizerFactory.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
/** Creates a new LetterTokenizerFactory */
public LetterTokenizerFactory(Map<String,String> args) {
  super(args);
  maxTokenLen = getInt(args, "maxTokenLen", CharTokenizer.DEFAULT_MAX_WORD_LEN);
  if (maxTokenLen > MAX_TOKEN_LENGTH_LIMIT || maxTokenLen <= 0) {
    throw new IllegalArgumentException("maxTokenLen must be greater than 0 and less than " + MAX_TOKEN_LENGTH_LIMIT + " passed: " + maxTokenLen);
  }
  if (!args.isEmpty()) {
    throw new IllegalArgumentException("Unknown parameters: " + args);
  }
}
Example #4
Source File: LowerCaseTokenizerFactory.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
/**
 * Creates a new LowerCaseTokenizerFactory
 */
public LowerCaseTokenizerFactory(Map<String, String> args) {
  super(args);
  maxTokenLen = getInt(args, "maxTokenLen", CharTokenizer.DEFAULT_MAX_WORD_LEN);
  if (maxTokenLen > MAX_TOKEN_LENGTH_LIMIT || maxTokenLen <= 0) {
    throw new IllegalArgumentException("maxTokenLen must be greater than 0 and less than " + MAX_TOKEN_LENGTH_LIMIT + " passed: " + maxTokenLen);
  }
  if (!args.isEmpty()) {
    throw new IllegalArgumentException("Unknown parameters: " + args);
  }
}