/*
    TestFile1R.java
    CIS 111
    October 20, 2007
 
    Demonstrates random file access. This program takes
    whatever the user types in and writes it to a file record-by-record.
*/

public class TestFile1R extends CIS111App {
    public static void main(String[] args) {
        // create record to use for RA file access
        Record rec = new Record();
      
        // open file for writing
        RandomFile<Record> fileout = new RandomFile<Record>("files1R.dta", rec);

        // loop to get input from user and write to file
        // (notice use of priming read)
        int recordNumber = 0;
        String strIn = getString("Enter line (QUIT to exit): ");
        while (!strIn.equalsIgnoreCase("QUIT")) {
            rec.msg = strIn;
            recordNumber++;
            fileout.put(recordNumber, rec);
            strIn = getString("Enter line (QUIT to exit): ");
        }

        // close output file
        fileout.close();

        // must reset rec before reopening file
        rec = new Record();
      
        // now let's read back what's in the file
        RandomFile<Record> filein = new RandomFile<Record>("files1R.dta", rec);
        println("Here's what is in the file: ");

        // loop to read and display data from file
        for (int recno = 1; recno <= filein.numberOfRecords(); recno++) {
            rec = filein.get(recno);
            println(rec.msg);
        }

        // close input file
        filein.close();
    }
}

class Record {
    String msg = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
}