examples/Tutorial/src/tutorial/hangman/Visit.java

//
// Tapestry Web Application Framework
// Copyright (c) 2000-2002 by Howard Lewis Ship
//
// Howard Lewis Ship
// http://sf.net/projects/tapestry
// mailto:hship@users.sf.net
//
// This library is free software.
//
// You may redistribute it and/or modify it under the terms of the GNU
// Lesser General Public License as published by the Free Software Foundation.
//
// Version 2.1 of the license should be included with this distribution in
// the file LICENSE, as well as License.html. If the license is not
// included with this distribution, you may find a copy at the FSF web
// site at 'www.gnu.org' or 'www.fsf.org', or you may write to the
// Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied waranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//

package tutorial.hangman;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

/**
 *
 *  Visit information for the Hangman Application.
 *
 *  @version $Id$
 *  @author Howard Lewis Ship
 *
 **/

public class Visit implements Serializable
{
    private static final String[] words =
        {
            "tapestry",
            "servlet",
            "microsoft",
            "tango",
            "gorilla",
            "internet",
            "application",
            "developer",
            "tutorial",
            "hangman",
            "dogfight",
            "greyhound",
            "massacre",
            "universe" };

    private List wordList;

    private HangmanGame game;

    public HangmanGame getGame()
    {
        if (game == null)
            game = new HangmanGame();

        return game;
    }

    /**
     *  Starts a new game with a randomly selected word.
     *
     **/

    public void start(int maxMisses)
    {
        getGame().start(getWord(), maxMisses);
    }

    private String getWord()
    {
        if (wordList == null)
            wordList = new ArrayList();

        if (wordList.size() == 0)
        {
            // Create a list of words that the user will see and shuffle them
            // in random order.  This prevents repeats of words until the
            // user has seen them all.

            wordList.addAll(Arrays.asList(words));
            Collections.shuffle(wordList);
        }

        // Remove the last word in the list.

        return (String) wordList.remove(wordList.size() - 1);
    }
}