/*
 * Copyright 2001-2004 The Apache Software Foundation.
 * 
 * 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.
 */

/**
 * 
 *  UUIDGen adopted from the juddi project
 *  (http://sourceforge.net/projects/juddi/)
 * 
 */
package org.apache.axis.components.uuid;

import org.apache.axis.AxisProperties;
import org.apache.axis.components.logger.LogFactory;
import org.apache.commons.logging.Log;

/**
 * A Universally Unique Identifier (UUID) is a 128 bit number generated
 * according to an algorithm that is garanteed to be unique in time and space
 * from all other UUIDs. It consists of an IEEE 802 Internet Address and
 * various time stamps to ensure uniqueness. For a complete specification,
 * see ftp://ietf.org/internet-drafts/draft-leach-uuids-guids-01.txt [leach].
 *
 * @author  Steve Viens
 * @version 1.0 11/7/2000
 * @since   JDK1.2.2
 */
public abstract class UUIDGenFactory {
    protected static Log log = LogFactory.getLog(UUIDGenFactory.class.getName());

    static {
        AxisProperties.setClassOverrideProperty(UUIDGen.class, "axis.UUIDGenerator");
        AxisProperties.setClassDefault(UUIDGen.class, "org.apache.axis.components.uuid.FastUUIDGen");
    }

    /**
     * Returns an instance of UUIDGen
     */
    public static UUIDGen getUUIDGen() {
        UUIDGen uuidgen = (UUIDGen) AxisProperties.newInstance(UUIDGen.class);
        log.debug("axis.UUIDGenerator:" + uuidgen.getClass().getName());
        return uuidgen;
    }
}