package de.haase.idoc;

import java.io.File;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.List;
import java.util.ArrayList;

/*
 * Programm zum Parsen von IDocs mit Segementgroesse 524 statt 1063.
 * Author: Johannes Haase
 */
public class AdaptIDoc {

    public static List<String> zeilen = new ArrayList<String>();

    public static void main(String[] args) {
        File datei = new File("idoc.txt");
        try {
            BufferedReader bufr = new BufferedReader(new FileReader(datei));
            String line;
            while((line = bufr.readLine()) != null) {
             zeilen.add(line);
            }
            bufr.close();
        }
        catch(FileNotFoundException ex) {
            ex.printStackTrace();
        }
        catch(Exception ex) {
            ex.printStackTrace();
        }

        formatAndWriteIDoc();
    }

    public static void formatAndWriteIDoc() {

        File file = new File("idocOut.txt");

        try {
            BufferedWriter bw = new BufferedWriter(new FileWriter(file));
            for (int i = 0; i < zeilen.size(); i++) {
                bw.write(zeilen.get(i));
                if(i == 0) {
                    for(int ii = 0; ii < (524 - zeilen.get(i).length()); ii++) {
                        bw.write(" ");
                    }
                }
                else {
                    for(int ii = 0; ii < (1063 - zeilen.get(i).length()); ii++) {
                        bw.write(" ");
                    }
                }
            }

            bw.flush();
            bw.close();
        }
        catch(IOException ex) {
            ex.printStackTrace();
        }
    }

}