001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2009 SonarSource SA 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 package org.sonar.squid.recognizer; 021 022 public class CamelCaseDetector extends Detector { 023 024 public CamelCaseDetector(double probability) { 025 super(probability); 026 } 027 028 @Override 029 public int scan(String line) { 030 char previousChar = ' '; 031 char indexChar = ' '; 032 for (int i = 0; i < line.length(); i++) { 033 indexChar = line.charAt(i); 034 if (isLowerCaseThenUpperCase(previousChar, indexChar)) { 035 return 1; 036 } 037 previousChar = indexChar; 038 } 039 return 0; 040 } 041 042 private boolean isLowerCaseThenUpperCase(char previousChar, char indexChar) { 043 return Character.getType(previousChar) == Character.LOWERCASE_LETTER && Character.getType(indexChar) == Character.UPPERCASE_LETTER; 044 } 045 }