JVnTokenizer.java

/*
 Copyright (C) 2010 by
 * 
 * 	Cam-Tu Nguyen 
 *  ncamtu@ecei.tohoku.ac.jp or ncamtu@gmail.com
 *
 *  Xuan-Hieu Phan  
 *  pxhieu@gmail.com 
 *
 *  College of Technology, Vietnamese University, Hanoi
 * 	Graduate School of Information Sciences, Tohoku University
 *
 * JVnTextPro-v.2.0 is a free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published
 * by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * JVnTextPro-v.2.0 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with  JVnTextPro-v.2.0); if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 */

package jvntokenizer;

/**
 *
 * @author Nguyen Cam Tu
 */
import java.io.*;
// TODO: Auto-generated Javadoc

/**
 * The Class JVnTokenizer.
 */
public class JVnTokenizer {
    
    /**
     * The main method.
     *
     * @param args the arguments
     */
    public static void main(String [] args){
        if (args.length != 2){
            displayHelp();
            return;
        }
        
        //Read the input data
        try{
            String option = args[0];
            if (option.equalsIgnoreCase("-inputfile")){
                BufferedReader in = new BufferedReader(
                        new InputStreamReader(new FileInputStream(args[1]), "UTF-8"));
                BufferedWriter out = new BufferedWriter(
                        new OutputStreamWriter(new FileOutputStream(args[1] + ".tkn") , "UTF-8"));

                String line = "";
                while ((line = in.readLine()) != null){                
                    out.write(PennTokenizer.tokenize(line));
                    out.write("\n");
                }
                
                in.close();
                out.close();
            }
            
            else if (option.equalsIgnoreCase("-inputdir")){
                System.out.println("Tokenize input");
                //segment only files ends with .sent
                File inputDir = new File(args[1]);
                File [] childrent = inputDir.listFiles(new FilenameFilter() {
                    public boolean accept(File dir, String name) {
                        return name.endsWith(".sent");
                    }
                });
                
                for (int i = 0; i < childrent.length; ++i){                    
                    BufferedReader in = new BufferedReader(
                            new InputStreamReader(new FileInputStream(childrent[i]), "UTF-8"));
                    BufferedWriter out = new BufferedWriter(
                            new OutputStreamWriter(new FileOutputStream(childrent[i] + ".tkn") , "UTF-8"));

                    String line = "";
                    while ((line = in.readLine()) != null){                
                        out.write(PennTokenizer.tokenize(line));
                        out.write("\n");
                    }

                    in.close();
                    out.close();    
                }
            }           
        } catch (Exception e){
            System.out.println("Error:" + e.getMessage());
        }
    }
    
    /**
     * Display help.
     */
    public static void displayHelp(){
        System.out.println("Usage:");
	System.out.println("\tCase 1: JVnTokenizer -inputfile <input data file>");
	System.out.println("\tCase 2: JVnTokenizer -inputdir <input data directory>");
	System.out.println("Where:");	
	System.out.println("\t<input data file> is the file containing input text that need to");
	System.out.println("\thave sentences tokenized (each sentence on a line)");
	System.out.println("\t<input data directory> is the directory containing multiple input .sent files");
	System.out.println();
    }
    
}