001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019 */
020
021package org.sonar.squid.recognizer;
022
023import java.util.regex.Matcher;
024import java.util.regex.Pattern;
025
026public class RegexDetector extends Detector {
027
028  private Pattern regex;
029
030  public RegexDetector(String regex, double probability) {
031    super(probability);
032    this.regex = Pattern.compile(regex);
033  }
034
035  @Override
036  public int scan(String line) {
037    Matcher matcher = regex.matcher(line);
038    int matchers = 0;
039    while (matcher.find()) {
040      matchers++;
041    }
042    return matchers;
043  }
044}