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/*
Jazzy - a Java library for Spell Checking
Copyright (C) 2001 Mindaugas Idzelis
Full text of license can be found in LICENSE.txt

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package com.swabunga.spell.tokenizer;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

import com.swabunga.spell.WordFinder;
import com.swabunga.spell.WordNotFoundException;


/**
 * This class tokenizes a input file.
 * 
 * 
 * Any takers to do this efficiently?? doesn't need to replace any words to
 * start with. I need this to get an idea of how quick the spell checker is.
 * 
 */
public class FileWordTokenizer extends AbstractWordTokenizer {

    // ~ Instance/static variables
    // ...............................................

    // private File inFile;

    // ~ Constructors
    // ............................................................

    /**
     * Creates a new FileWordTokenizer object.
     * 
     * @param inputFile the file to work upon
     */
    public FileWordTokenizer(File inputFile) {
        super(stringValue(inputFile));
    }

    /**
     * Creates a new FileWordTokenizer object and associate a WordFinder to it's
     * processing.
     * 
     * @param inputFile the file to word upon.
     * @param finder the specialize processing for words.
     */
    public FileWordTokenizer(File inputFile, WordFinder finder) {
        super(finder);
        finder.setText(stringValue(inputFile));
    }

    // ~ Methods
    // .................................................................

    /**
     * Replaces the current word token
     * 
     * @param s the new string
     * @throws WordNotFoundException current word not yet set.
     */
    public void replaceWord(String s) {
    }

    private static String stringValue(File inFile) {
        StringBuilder out = new StringBuilder("");

        try {
            BufferedReader in = new BufferedReader(new FileReader(inFile));
            char[] c = new char[100];
            int count;
            while ((count = in.read(c, 0, c.length)) != -1) {
                out.append(c, 0, count);
            }
            in.close();
        } catch (IOException e) {
            System.err.println("File input error trying to open "
                    + inFile.toString() + " : " + e);
        }
        return out.toString();
    }
}