/*
 * 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
    }

package common;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.LinkedList;
import java.util.Queue;

public class FileTranslatorBasis {

	private int numOfCase;
	private File file;
	Queue<String> dataList = new LinkedList<String>();

	
	
	public static FileTranslatorBasis getInstance(String fname){
		if(fname ==null){
			throw new IllegalArgumentException();
		}
		return new FileTranslatorBasis(new File(fname));
	}
	
	private FileTranslatorBasis(File file) {
		this.file = file;
		read();
	}
	
	private void read(){
		try{
			FileReader fr = new FileReader(this.file);
			BufferedReader br = new BufferedReader(fr);
		
			String line;
			while((line = br.readLine())!=null){
				dataList.add(line);
			}
		}catch(IOException e){
			e.printStackTrace();
		}
		numOfCase = Integer.parseInt(dataList.poll());
	}

	public int getNumOfCase(){
		return numOfCase;
	}
	
	public int getIntData(){
		return Integer.parseInt(dataList.poll());
	}
	
	public int[] getIntDataArray(){
		String[] tmp = getStrDataArray();
		int[] data = new int[tmp.length];
		int i = 0;
		for(String t: tmp){
			data[i++] = Integer.parseInt(t);
		}
		return data;
	}
	
	
	public long getLongData(){
		return Long.parseLong(dataList.poll());
	}
	
	public long[] getLongDataArray(){
		String[] tmp = getStrDataArray();
		long[] data = new long[tmp.length];
		int i = 0;
		for(String t: tmp){
			data[i++] = Long.parseLong(t);
		}
		return data;
	}
	public String getStrData(){
		return dataList.poll();
	}
	
	public String[] getStrDataArray(){
		return dataList.poll().split(" ");
	}

	
	
}
