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

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Lance Chen
 */
public class CodeHelper {

    private static String FILE_ROOT = "D:/workspace/googlecodejam/meta";

    public static List<List<String>> loadInputsExcludes(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        int index = 0;
        for (String line : lines) {
            if (index == 0) {
                index++;
                continue;
            }
            if (index % 2 == 1) {
                index++;
                continue;
            }
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
            index++;
        }
        return result;
    }

    public static List<List<String>> loadInputs(String fileName) {
        List<List<String>> result = new ArrayList<List<String>>();
        List<String> lines = FileUtil.readLines(FILE_ROOT + fileName);
        for (String line : lines) {
            List<String> dataList = new ArrayList<String>();
            String[] dataArray = line.split("\\s+");
            for (String data : dataArray) {
                if (data.trim().length() > 0) {
                    dataList.add(data);
                }
            }
            result.add(dataList);
        }
        return result;
    }

    public static List<String> loadInputLines(String fileName) {
        return FileUtil.readLines(FILE_ROOT + fileName);
    }

    public static void writeOutputs(String fileName, List<String> lines) {
        FileUtil.writeLines(FILE_ROOT + fileName, lines);
    }
}

package com.utility;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class FileWriterUtility {

	public static File getFile(String outputFileLoc) {
		File outputFile = null;
		if (outputFileLoc != null)  {
			outputFile = new File(outputFileLoc);
			if (!outputFile.exists()) {
				try {
					outputFile.createNewFile();
				} catch (IOException e) {
					System.out.println("Error :" + e.getMessage());
				}
			}
		}
		return outputFile;
	}
	
	public static File getNewFile(String outputFileLoc) {
		File outputFile = null;
		if (outputFileLoc != null)  {
			outputFile = new File(outputFileLoc);
			if (!outputFile.exists()) {
				try {
					outputFile.delete();
					outputFile.createNewFile();
				} catch (IOException e) {
					System.out.println("Error :" + e.getMessage());
				}
			}
		}
		return outputFile;
	}

	public static BufferedWriter getBufferedWriter(File outputFile) {
		BufferedWriter bufferedWriter = null;
		if (outputFile != null) {
			FileWriter fileWriter;
			try {
				fileWriter = new FileWriter(outputFile);
				bufferedWriter = new BufferedWriter(fileWriter);
			} catch (IOException e) {
				System.out.println("Error :" + e.getMessage());
			}
		}
		return bufferedWriter;
	}
	
	public static BufferedWriter getBufferedWriter(String fileName) {
		BufferedWriter bufferedWriter = null;
		if (fileName != null) {
			File file = new File(fileName);
			bufferedWriter = getBufferedWriter(file);
		}
		return bufferedWriter;
	}

	public static void write(BufferedWriter bufferedWriter, String outputString) {
		if (bufferedWriter != null && outputString != null) {
			try {
				bufferedWriter.write(outputString);
			} catch (IOException e) {
				System.out.println("Error :" + e.getMessage());
			}
		}
	}
	
	public static void writeNewLine(BufferedWriter bufferedWriter) {
		if (bufferedWriter != null) {
			try {
				bufferedWriter.write("\n");
			} catch (IOException e) {
				System.out.println("Error :" + e.getMessage());
			}
		}
	}

	public static void closeBufferedWriter(BufferedWriter bufferedWriter) {
		if (bufferedWriter != null) {
			try {
				bufferedWriter.close();
			} catch (IOException e) {
				System.out.println("Error :" + e.getMessage());
			}
		}
	}

}
