import java.io.*;
import java.net.*;
import java.util.*;
import javax.swing.*;

public class Text
{
   private ArrayList<String> words;

   public Text()
   {
      words = new ArrayList<String>();
   }

   public void removeAdjacentDuplicates()
   {
      // your code here
   }

   /**
      Gets the words from this text.
      @return an array list containing the words
   */
   public ArrayList<String> getWords()
   {
      return words;
   }

   // Don't look at the code below...

   /**
      Lets the user pick a file for loading
   */
   public void pick()
   {
      JFileChooser chooser = new JFileChooser(".");
      if (chooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION)
      {
         load(chooser.getSelectedFile().getAbsolutePath());
      }
   }   
   
   /**
      Loads a file.
      @param source a URL or file name
   */
   public boolean load(String source)
   {
      if (source == null) return false;
      try
      {
         Scanner in;
         if (source.startsWith("http://"))
         {
            in = new Scanner(new URL(source).openStream());
         }
         else
         {
            in = new Scanner(new FileReader(source));
         }
         in.useDelimiter("[^\\p{L}]");
         words = new ArrayList<String>();
         while (in.hasNext())
         {
            String word = in.next();
            if (word.length() > 0)
               words.add(word);
         }
         return true;
      }
      catch (IOException ex)
      {
         ex.printStackTrace();
         return false;
      }
   }

   /**
      Displays the words in a text area
   */
   public void explore()
   {
      JTextArea area = new JTextArea(20, 40);
      JScrollPane scroll = new JScrollPane(area);
      for (String word : words)
         area.append(word + "\n");
      JOptionPane.showMessageDialog(null, scroll);    
   }
}