/*  MyReader.java


    A file reading utility.
    Basically a wrapper for the BufferedReader class, with the addition of a FileDialog to open files.

    Author: JRL 8/00 

*/



import java.io.*;
import java.awt.*;

class MyReader {
  
    BufferedReader br;

    MyReader() {

        openIt(getFileName());    
    }    

    MyReader(String filename) {
        openIt(filename);
    }    

    void openIt (String filename) {
        try {
            br = new BufferedReader(new FileReader(filename));
        } catch (Exception e) {System.out.println("MyReader -- open failed!" + e);}

    }   

    String giveMeTheNextLine() {
        try {
            return br.readLine();
        } catch (Exception e) {System.out.println("MyReader -- read failed!" + e);}

        return "";

    }

    boolean hasMoreData() {
        try {
            return br.ready();
        } catch (Exception e) {System.out.println("MyReader -- bad!" + e);}

        return false;
    }

    void close() {
        try {
            br.close();
        } catch (Exception e) {System.out.println("MyReader -- disaster!" + e);}

    }

    

    String getFileName() {
        FileDialog fd = new FileDialog(new Frame(), "Select Input File");
        fd.setFile("input");
        fd.show();
        return fd.getDirectory()+fd.getFile();  // return the complete path
    }

}   // MyReader class