package org.ini4j.sample;

/*
 * Copyright 2005 [ini4j] Development Team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import org.ini4j.IniPreferences;
import java.io.FileInputStream;
import java.util.prefs.*;

public class ListenerSample
{
    static class Listener implements NodeChangeListener, PreferenceChangeListener
    {
        public void childAdded(NodeChangeEvent event)
        {
            System.out.println("node added: " + event.getChild().name());
        }
        
        public void childRemoved(NodeChangeEvent event)
        {
            System.out.println("node removed: " + event.getChild().name());
        }
        
        public void preferenceChange(PreferenceChangeEvent event)
        {
            System.out.println("preference changed: " + event.getKey() + " = " + event.getNewValue());
        }
    }
    
    public static void main(String[] args) throws Exception
    {
        String filename = args.length > 0 ? args[0] : "sample.ini";
        Preferences prefs = new IniPreferences(new FileInputStream(filename));
        
        Listener listener = new Listener();
        prefs.addNodeChangeListener(listener);
        
        Preferences jerry = prefs.node("jerry");
        
        jerry.addPreferenceChangeListener(listener);
        jerry.put("color", "blue");
        jerry.put("color", "gray");
        jerry.putInt("age", 2);
        
    }
}