/*
  Author  : Michael Robinson
  Program : filesScanner.java
  Purpose : This program uses the Scanner class this is a  
            very quick way to read data from a text file.
            Data can be read one record at the time, or
            one String at the time separated by a space.
              
  Updated : August 26th, 2099
*/


import java.io.*;
import java.util.*;


public class filesScanner
{ 
    //create a private global variable of Scanner type
    private static Scanner inputFile;

    //create a public global variable of String type
    public static String fileName = "fileOne";
	

    public static void openFile( String fileName )
    {
        try
        {
            //open fileOne text file using the Scanner class
            inputFile = new Scanner( new File( fileName ) );
        }
        catch( Exception e )
        {
            System.out.println( "Could not open file" );    	  
        }
    
    }//end public static void openFile()
         	
          
    public static void readStringFromFile( String fileName )
    {
        try
        {
            int recordNum = 0; //create a counter variable 

            System.out.println();
            
            //read records from the fileOne text file    
            while( inputFile.hasNext() )
            {                       
                recordNum++;
                String fn    = inputFile.next(); //reads one field
                String ln    = inputFile.next(); //reads one field
                String major = inputFile.next(); //reads one field
    	                       
                System.out.printf( " %s %s %s\n", fn, ln, major );

            }//end while( inputFile.hasNext() )
        }   
        catch( Exception e )
        {
            System.out.println( "Could not read file " + fileName );          
        }
          
    }//end public static void readStringFromFile( String fileName )
     
     
    public static void readLineFromFile( String fileName )
    {
        try
        {
	    System.out.println();
	    int recordNum = 0; 
	    
            //read records from the fileOne text file    	    
            while( inputFile.hasNext() )
            {                       
                recordNum++;
         
                 //reads one full record/row
                String recordLine = inputFile.nextLine();
                System.out.printf( "[ %d %s ]\n", 
                                   recordNum, recordLine );

            }//end while( inputFile.hasNext() )
        }   
        catch(Exception e)
        {
            System.out.println( "Could not read file " + fileName );    
        }
              
    }//end public static void readLineFromFile( String fileName )
     
    
    public static void closeFile( String fileName )
    {
        try
        {
            inputFile.close();
        }
        catch( Exception e)
        {
            System.out.println( "Could not close file " + fileName );    	   }
           
    }//end public static void closeFile()
           
      
    public static void main( String arg[] )
    {
        openFile( fileName );
        readStringFromFile( fileName );
        closeFile( fileName );
        
        openFile( fileName );
        readLineFromFile( fileName );
        closeFile( fileName );
     
    }//end public static void main( String arg[] )
                  
}//end public class filesScanner