/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package IO;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
    
/**
 * 
 * @author dannocz
 */
public class InputReader {
    
    public static Input readFile(String filename){
        try {
              
              /*  Sets up a file reader to read the file passed on the command
          77        line one character at a time */
              FileReader input = new FileReader(filename);
              
              /* Filter FileReader through a Buffered read to read a line at a
                 time */
              BufferedReader bufRead = new BufferedReader(input);
              
              String line;    // String that holds current file line
              int count = 0;  // Line number of count 
              ArrayList<String> cases= new ArrayList<String>();
              
              // Read first line
              line = bufRead.readLine();
              int noTestCases=Integer.parseInt(line);
              count++;
              
              // Read through file one line at time. Print line # and line
              while (count<=noTestCases){
                  //System.out.println("Reading. "+count+": "+line);
                  line = bufRead.readLine();
                  cases.add(line);
                  count++;
              }
              
              bufRead.close();
              
              return new Input(noTestCases,cases);
              
          }catch (ArrayIndexOutOfBoundsException e){
              /* If no file was passed on the command line, this expception is
              generated. A message indicating how to the class should be
              called is displayed */
              e.printStackTrace();        
  
          }catch (IOException e){
              // If another exception is generated, print a stack trace
              e.printStackTrace();
          }
        
        return null;
          
      }// end main
    }


import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.Writer;
import java.util.Scanner;


public class IOHelper{
	Scanner sc=null;
	Writer output=null;

	public IOHelper(String input,String ouptPut){
		try{
			sc=new Scanner(new File(input));
			output=new BufferedWriter(new FileWriter(ouptPut));
		}catch(Exception e){
				e.printStackTrace();
			}	
		}
	public String readLine(){
		String result=null;	
		result=sc.nextLine();
		while(sc.hasNextLine()&& (result==" " ||result==null|| result=="")){
			result=sc.nextLine();
		}		
		return result;		
	}	
	
	public void writeLine(String line){
		try{
		output.write(line);
		output.write('\n');
		output.flush();
		}catch(Exception e){
			e.printStackTrace();
		}
		
	}
	public void close(){
		try{
		output.flush();
		output.close();
		sc.close();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	
}
