/*
 * Copyright (c) Henrik Niehaus & Lazy Bones development team
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. Neither the name of the project (Lazy Bones) nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package lazybones.logging;

import java.util.Iterator;
import java.util.Vector;
import java.util.logging.LogRecord;

// TODO check, if can use the MemoryHandler for this
public class LoggingArchive {
    public static final int LOG_HISTORY = 10000;

    private static Vector<LogObserver> observers = new Vector<LogObserver>();

    private static CircularList<LogRecord> list = new CircularList<LogRecord>(LOG_HISTORY);

    public static void log(LogRecord record) {
        list.add(record);
        notifyObservers(record);
    }

    public static CircularList<LogRecord> getLog() {
        return list;
    }

    public static void addObserver(LogObserver o) {
        observers.add(o);
    }

    public static void notifyObservers(Object o) {
        Iterator<LogObserver> i = observers.iterator();
        while (i.hasNext()) {
            LogObserver l = i.next();
            l.updateObserver(o);
        }
    }
}