import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

public class FileHelper {

	/**
	 * Opens a text file and reads it's contents as a String
	 *
	 * @param filePath 		The path to the file to be opened
	 */
	public static String openTextFile(String filePath) {

		// You can use the Scanner class to read input from a file
		Scanner scanner;
		// The StringBuilder class is efficient for string concatenation
		StringBuilder sb = new StringBuilder();

		try {
			scanner = new Scanner(new File(filePath));
			while (scanner.hasNextLine()) {
				sb.append(scanner.nextLine() + "\n");
			}
			scanner.close();
		} catch (Exception e) {
			//e.printStackTrace();
			System.out.println("\n\n\nUnable to openTextFile: " + filePath + " - maybe it hasn't been created yet???");
		}

		return sb.toString();

	}

	/**
	 * Saves string data to a file on the file system.
	 *
	 * @param filePath		The path to the file to be saved
	 * @param fileData		The data to put in the file
	 */
	public static boolean saveTextFile(String filePath, String fileData){
		try{

			 PrintWriter output = new PrintWriter(filePath);
			 output.println(fileData);
			 output.close();
			 return true;
		 }catch(Exception e){
			 System.out.println("Error: " + e.getMessage());
			 return false;
		 }
	}

}