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Syslog4j provides client and server implementations of the BSD Syslog protocol (RFC 3164) and the structured syslog" protocol (RFC5424).

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/**
 *
 * (C) Copyright 2008-2011 syslog4j.org
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl-2.1.html
 *
 * This library 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
 * Lesser General Public License for more details.
 */
package com.nesscomputing.syslog4j.util;

import static com.nesscomputing.syslog4j.SyslogConstants.SEND_LOCAL_NAME_DEFAULT_VALUE;

import java.net.InetAddress;
import java.net.UnknownHostException;

import com.nesscomputing.syslog4j.SyslogCharSetIF;
import com.nesscomputing.syslog4j.SyslogRuntimeException;
/**
* SyslogUtility provides several common utility methods used within
* Syslog4j.
*
* Syslog4j is licensed under the Lesser GNU Public License v2.1.  A copy
* of the LGPL license is available in the META-INF folder in all
* distributions of Syslog4j and in the base directory of the "doc" ZIP.
*
* @author <[email protected]>
* @version $Id: SyslogUtility.java,v 1.21 2010/11/28 01:38:08 cvs Exp $
*/
public final class SyslogUtility {
    private SyslogUtility() {
        //
    }

    public static InetAddress getInetAddress(String host) throws SyslogRuntimeException
    {
        try {
            return InetAddress.getByName(host);
        }
        catch (UnknownHostException uhe) {
            throw new SyslogRuntimeException(uhe);
        }
    }

    public static boolean isClassExists(String className) {
        try {
            Class.forName(className);
            return true;

        } catch (ClassNotFoundException cnfe) {
            return false;
        }
    }

    public static String getLocalName() {
        String localName = SEND_LOCAL_NAME_DEFAULT_VALUE;

        try {
            InetAddress addr = InetAddress.getLocalHost();
            return addr.getHostName();

        } catch (UnknownHostException uhe) {
            return localName;
        }
    }

    public static byte[] getBytes(SyslogCharSetIF syslogCharSet, String data)
    {
        return data.getBytes(syslogCharSet.getCharSet());
    }

    public static String newString(SyslogCharSetIF syslogCharSet, byte[] dataBytes) {
        String data = newString(syslogCharSet,dataBytes,dataBytes.length);

        return data;
    }

    public static String newString(SyslogCharSetIF syslogCharSet, byte[] dataBytes, int dataLength) {
        return new String(dataBytes, 0, dataLength,syslogCharSet.getCharSet());
    }


    public static void sleep(long duration) {
        try {
            Thread.sleep(duration);

        } catch (InterruptedException ie) {
            //
        }
    }
}