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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2007-2011 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * Version 2] license."  If you don't indicate a single choice of license, a
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 */
package com.sun.enterprise.module.bootstrap;

/**
 * Created by IntelliJ IDEA.
 * User: naman
 * Date: 3 Nov, 2010
 * Time: 12:10:21 PM
 */

import java.util.concurrent.ArrayBlockingQueue;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Level;

public class EarlyLogHandler extends Handler {

    private static int MAX_MESSAGES = 200;

    public static ArrayBlockingQueue earlyMessages = new ArrayBlockingQueue(MAX_MESSAGES);

	/*
    * collect the message that are logged before the log service is started
    * The log manager service will print them out when it is started.
	*/
    public void publish(LogRecord record) {

        //log manager service not started yet so we are queuing up the messages
        try {
            earlyMessages.add(record);
        } catch (IllegalStateException ie) {
            // can't add more messages; something terrible is happening.
            // Dump the queue to a file, need to stop queuing messages
        }
    }

	/*
	* Provide method for users to log their messages.
	*/
	public void logMessage(Level level,String message) {
        LogRecord lr = new LogRecord(level,message);
        publish(lr);
	}  

    /**
    * Called to close this log handler.
    */
    public void close() {
	    // not used
    }

    /**
    * Called to flush any cached data that
    * this log handler may contain.
    */
    public void flush() {
        // not used
    }
}