ReverseCopy.java
1    /* 
2    Creating a code that will take the lyrics of a song and give 
3    it back to us reversed word for word. 
4     */
5    
6    package arraylistplay;
7    
8    import java.io.File;
9    import java.io.FileNotFoundException;
10   import java.io.IOException;
11   import java.io.PrintWriter;
12   import java.util.ArrayList;
13   import java.util.Scanner;
14   
15   public class ReverseCopy {
16       public static void main(String[] args) throws FileNotFoundException, IOException {
17           String inputFileName = "BurbujasdeAmor.text";
18           String outputFileName = "BurbujasdeAmorReversed.text";
19           ArrayList<String> words = readWordsFromFile(inputFileName);
20           writeWordsToFile(words, outputFileName);
21       }
22   
23       private static ArrayList<String> readWordsFromFile(String inputFileName) throws FileNotFoundException {
24           // Equate a scanner with the input file
25           Scanner scanner = establishScanner(inputFileName);
26           // Read the words from the file into an oversized array
27           ArrayList<String> words = new ArrayList<>();
28           int index = 0;
29           while (scanner.hasNext()) {
30               String word = scanner.next();
31               words.add(word);
32           }
33           // Return the words
34           return words;
35       }
36   
37       private static void writeWordsToFile(ArrayList<String> words, String outputFileName) throws IOException {
38           // Equate a printer with an output file
39           PrintWriter printer = getPrintWriter(outputFileName);
40           // Print the words to the file
41           for (int x = words.size() - 1; x >= 0; x = x - 1) {
42               printer.println(words.get(x));
43           }
44           printer.close();
45       }
46   
47       private static Scanner establishScanner(String inputFileName) throws FileNotFoundException {
48           String fullFileName = createFullFileName(inputFileName);
49           return new Scanner(new File(fullFileName));
50       }
51       private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException {
52           String fullFileName = createFullFileName(outputFileName);
53           PrintWriter printer = new PrintWriter(fullFileName);
54           return printer;
55       }
56       private static String createFullFileName(String fileName) {
57           String separator = System.getProperty("file.separator");
58           String home = System.getProperty("user.home");
59           String path = home + separator + "CS1Files" + separator + "data" + separator;
60           String fullFileName = path + fileName;
61           return fullFileName;
62       }
63   }
64