/*

  * 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.

  */

 package org.apache.commons.classscan.spi;

 import java.util.ServiceLoader;

 import org.apache.commons.classscan.MetaRegistry;

 import org.apache.commons.classscan.spi.model.SpiClassDigester;

 /**

  * Provider to create a SpiClassDigester. Provider instances should be

  * registered using the {@link ServiceLoader} facility. The provider class

  * should have a public default constructor. The first instance of a provider

  * class which is successfully instantiated will be used. The order in the

  * classpath will determine which SpiClassDigester will be used.

  */

 public interface ClassDigesterFactory {

         /**

          * Create a SpiClassDigester.  The factory may throw an exception or error if unsuccessful in loading dependent jars.

          * 

          * @param metaRegistry The registry

          * @return A SpiClassDigester

          */

         SpiClassDigester createDigester(MetaRegistry metaRegistry);

 }