/*
* JGAAP -- a graphical program for stylometric authorship attribution
* Copyright (C) 2009,2011 by Patrick Juola
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
**/
package com.jgaap.eventDrivers;
import com.jgaap.generics.EventDriver;
import com.jgaap.generics.EventGenerationException;
import com.jgaap.generics.NumericEventDriver;
import com.jgaap.util.Event;
import com.jgaap.util.EventSet;
import com.jgaap.util.NumericEventSet;
/**
* Extract number of characters in each word as features.
*
* @see com.jgaap.eventDrivers.NaiveWordEventDriver
*/
public class WordLengthEventDriver extends NumericEventDriver {
@Override
public String displayName() {
return "Word Lengths";
}
@Override
public String tooltipText() {
return "Lengths of Word-Events";
}
@Override
public String longDescription() {
return "Lengths (in characters) of Word-Events";
}
@Override
public boolean showInGUI() {
return true;
}
private EventDriver wordTokenizer = new NaiveWordEventDriver();
@Override
public NumericEventSet createEventSet(char[] text) throws EventGenerationException {
EventSet es = wordTokenizer.createEventSet(text);
NumericEventSet newEs = new NumericEventSet();
for (int i = 0; i < es.size(); i++) {
String s = (es.eventAt(i)).toString();
if (s.equals("JGAAP:DOCUMENTBOUNDARY") == false) {
int l = s.length();
newEs.addEvent(new Event(String.valueOf(l), this));
}
}
return newEs;
}
}