Glassfish example source code file (Syslog.java)

This example Glassfish source code file (Syslog.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Glassfish tags/keywords

alert=1, datagrampacket, datagramsocket, datagramsocket, err=3, error, io, kern, local0, local5, log, logging, net, network, string, string, syslog, syslog, unknownhostexception

The Glassfish Syslog.java source code

/*
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 *
 * Copyright (c) 2009-2010 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
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 *
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 * Copyright 2009 Dustin Sallings
 *
 * Licensed under the MIT License, (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.opensource.org/licenses/mit-license.php
 *
 * 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
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 */

package com.sun.enterprise.server.logging;


import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.UnknownHostException;

import java.util.logging.Logger;
import java.util.logging.Level;

/**
* Send a message via syslog.
*/
/**
 * this code is taken from spy.jar and enhanced
 * User: cmott
 */
public class Syslog {
    public static final int EMERG=0;
    public static final int ALERT=1;
    public static final int CRIT=2;
    public static final int ERR=3;
    public static final int WARNING=4;
    public static final int NOTICE=5;
    public static final int INFO=6;
    public static final int DEBUG=7;

    public static final int KERN = 0;
    public static final int USER = 8;
    public static final int MAIL = 16;
    public static final int DAEMON = 24;
    public static final int AUTH = 32;
    public static final int SYSLOG = 40;
    public static final int LPR = 48;
    public static final int NEWS = 56;
    public static final int UUCP = 64;
    public static final int CRON = 72;
    public static final int AUTHPRIV = 80;
    public static final int FTP = 88;
    public static final int LOCAL0 = 128;
    public static final int LOCAL1 = 136;
    public static final int LOCAL2 = 144;
    public static final int LOCAL3 = 152;
    public static final int LOCAL4 = 160;
    public static final int LOCAL5 = 168;
    public static final int LOCAL6 = 176;
    public static final int LOCAL7 = 184;

    private static final int PACKET_SIZE=514;

    private final InetAddress addr;
      Logger logger = Logger.global.getParent();

    /**
     * Log to a particular log host.
     */
    public Syslog(String loghost) throws UnknownHostException {
      addr=InetAddress.getByName(loghost);
    }

    /**
     * Send a log message.
     */
    public void log(int facility, int level, String msg) {
      int fl=facility | level;

      String what="<" + fl + ">" + msg;
      // System.out.println(what);

      try {
        DatagramPacket dp = new DatagramPacket(what.getBytes(),
          what.length(), addr, PACKET_SIZE);
        DatagramSocket s = new DatagramSocket();
        s.send(dp);
        if(!s.isClosed()) {
            s.close();
        }
      } catch(IOException e) {
        logger.log(Level.WARNING, "Error sending syslog packet", e);
      }
    }

    
}