/*

  * 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.model;

 import java.util.Collection;

 import org.apache.commons.classscan.ClassPathElement;

 /**

  * A single location in a ClassPath.  The location might be a jar or a directory.

  * In enterprise application environments, the location might be an exploded ear or a war.

  */

 public interface SpiClassPathElement extends ClassPathElement {

         /**

          * Obtain any additional ClassPath elements specified within the metadata of this element.

          * e.g. The elements specified by the Class-Path attribute of a jar manifest

          * 

          * @param registry

          * @return null, or an iterator over additional path elements

          */

         Collection<SpiClassPathElement> getAdditionalLocations(SpiMetaRegistry registry);

 }