1 /*
 2  * This program takes the text from the desired file and then puts it to a binary
 3  * tree that accounts for its frequency. 
 4  */
 5 package trees;
 6 
 7 import java.io.File;
 8 import java.io.FileNotFoundException;
 9 import java.io.IOException;
10 import java.util.Scanner;
11 import javax.swing.JFileChooser;
12 
13 /**
14  *
15  * @author sjenks
16  */
17 public class FrequencyCounter {
18 
19     /**
20      * @param args the command line arguments
21      */
22     public static void main(String[] args) throws FileNotFoundException, IOException, BinaryTreeCreationException {
23         Scanner scanner = getProperty();
24         BinaryTree<String, Integer> tree = addLeaves(scanner);
25         display(tree);
26 
27     }
28 
29     private static Scanner getProperty() throws FileNotFoundException {
30         String homedir = System.getProperty("user.home");
31         System.out.println("homedir = " + homedir);
32         JFileChooser jfc = new JFileChooser(new File(homedir));
33         jfc.showOpenDialog(null);
34         File file = jfc.getSelectedFile();
35         Scanner scanner = new Scanner(file);
36         return scanner;
37     }
38 
39     private static BinaryTree<String, Integer> addLeaves(Scanner scanner) throws FileNotFoundException, BinaryTreeCreationException {
40       BinaryTree<String, Integer> t = new BinaryTree<String,Integer> ();
41         int count = 1;
42         while (scanner.hasNext()){
43              String word = scanner.next().toLowerCase();
44             if (t.member(word)){
45                 count = t.get(word);
46                 count= count + 1;
47                 t.find(word).setValue(count);
48             }else{
49              count=1;
50              t.addST(word,count);
51             }
52         }
53         return t;
54     }
55 
56     private static void display(BinaryTree<String, Integer> tree) {
57         System.out.println(">>> Inorder");
58         tree.inorder();
59     }
60 }
61