DialogRegistry.java

/*
 * This file is part of Matter Overdrive
 * Copyright (c) 2015., Simeon Radivoev, All rights reserved.
 *
 * Matter Overdrive is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Matter Overdrive is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Matter Overdrive.  If not, see <http://www.gnu.org/licenses>.
 */

package matteroverdrive.dialog;

import matteroverdrive.api.dialog.IDialogMessage;
import matteroverdrive.api.dialog.IDialogRegistry;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by Simeon on 8/13/2015.
 */
public class DialogRegistry implements IDialogRegistry
{
    int nextMessageID = 0;
    Map<Integer,IDialogMessage> messageMap;
    Map<IDialogMessage,Integer> messageIntegerMap;

    public DialogRegistry()
    {
        messageMap = new HashMap<>();
        messageIntegerMap = new HashMap<>();
    }

    public IDialogMessage getMessage(int id)
    {
        return messageMap.get(id);
    }

    public int getMessageId(IDialogMessage dialogMessage)
    {
        Integer id = messageIntegerMap.get(dialogMessage);
        if (id == null)
            return -1;
        else return id;
    }

    public void registerMessage(IDialogMessage message)
    {
        messageMap.put(nextMessageID,message);
        messageIntegerMap.put(message,nextMessageID);
        nextMessageID++;
    }
}