content: package org.apache.archiva.repository;
  
  /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  
  import org.apache.archiva.repository.content.ItemSelector;
  import org.apache.archiva.repository.content.LayoutException;
  
  
  /**
   * Common aspects of content provider interfaces
   */
  public interface RepositoryContent
  {
  
  
      /**
       * Return the path, that represents the item specified by the selector.
       * @param selector the selector with the artifact coordinates
       * @return the path to the content item
       */
      String toPath( ItemSelector selector );
  
      /**
       * Return a item selector that matches the given path. This is kind of reverse method for the {@link #toPath(ItemSelector)}
       * method and fills the selector with the known information. It may not make sense for every path, and the following
       * must <b>not always be true</b>:
       * <pre>
       *  selector.equals(r.toItemSelector(r.toPath(selector)))
       * </pre>
       *
       * The methods on the ManagedRepository give more reliable results.
       *
       * @param path the repository path
       * @return a item selector that would select the given path
       */
      ItemSelector toItemSelector(String path) throws LayoutException;
  
  
  }
  