File size: 2,591 Bytes
bb654c7 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 |
/*
* Copyright (C) 2018 Southern Illinois University Carbondale, SoftSearch Lab
*
* Author: Amiangshu Bosu
*
* Licensed under GNU LESSER GENERAL PUBLIC LICENSE Version 3, 29 June 2007
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.gnu.org/licenses/lgpl.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package edu.siu.sentise.preprocessing;
import java.util.ArrayList;
import edu.siu.sentise.model.SentimentData;
public class IdentifierProcessor implements TextPreprocessor {
final String camelCaseRegex = "[A-Za-z]([A-Z0-9]*[a-z][a-z0-9]*[A-Z]|[a-z0-9]*[A-Z][A-Z0-9]*[a-z])[A-Za-z0-9]*";
final String allCAPSRegex="([A-Z][A-Z]+)";
final String regexWordsWithNumbers = "\\w*\\d\\w*";
final String regexWordsWithUnderscore = "\\w*_\\w*";
final String replacement = " ";
@Override
public ArrayList<SentimentData> apply(ArrayList<SentimentData> sentiList) {
for (int i = 0; i < sentiList.size(); i++)
{
String origText = sentiList.get(i).getText();
String modifiedText = removeCameCaseWords(origText);
modifiedText=removeWordsWithNumbers(origText);
sentiList.get(i).setText(modifiedText);
}
return sentiList;
}
String removeCameCaseWords(String text) {
return text.replaceAll(camelCaseRegex, replacement);
}
String removeAllCAPS(String text) { //Not applied since some word can be written in all caps for emphasis
return text.replaceAll(allCAPSRegex, replacement);
}
String removeWordsWithNumbers(String text) {
return text.replaceAll(regexWordsWithNumbers, replacement);
}
String removeWordsWithUnderscores(String text) {
return text.replaceAll(regexWordsWithUnderscore, replacement);
}
public static void main(String[] args) {
String test = "camelCase this well amin_gerat23 nice_try History2Lession IFoo HTTPConnection Good1 good1 this.ElectionModel bad Touch leaF CORRECT GOT_IT";
IdentifierProcessor p = new IdentifierProcessor();
String modText=p.removeCameCaseWords(test);
modText=p.removeWordsWithNumbers(modText);
modText=p.removeWordsWithUnderscores(modText);
//modText=p.removeAllCAPS(modText);
System.out.println(modText);
}
}
|