001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.text.nlp.patterns;
031
032import java.util.Arrays;
033import java.util.Comparator;
034
035import org.openimaj.text.util.RegexUtil;
036
037
038/**
039 * Common colloquial statments (e.g. 2day, 2morrow etc.)
040 * @author Sina Samangooei (ss@ecs.soton.ac.uk)
041 *
042 */
043public class ColloquialismPatternProvider extends PatternProvider {
044        String[] EmoticonsDNArr = new String[] {
045                        "2day","2morrow","2nite","2night"
046                };
047        
048        String EmoticonsDN = RegexUtil.regex_or_match(longestfirst(EmoticonsDNArr));
049//      String EmoticonsDN = regex_or(EmoticonsDNArr);
050        
051        @Override
052        public String patternString(){
053                return EmoticonsDN;
054        }
055
056        private String[] longestfirst(String[] emoticons) {
057                Arrays.sort(emoticons,new Comparator<String>(){
058
059                        @Override
060                        public int compare(String s1, String s2) {
061                                int s1Longer = s1.length() - s2.length();
062                                if(s1Longer > 0) return -1;
063                                else if(s1Longer < 0) return 1;
064                                else{
065                                        return s1.compareTo(s2);
066                                }
067                        }
068                        
069                });
070                return emoticons;
071        }
072
073        @Override
074        public PatternProvider combine(PatternProvider other) {
075                return new CombinedPatternProvider(this,other);
076        }
077}