// Copyright 2013 Michel Kraemer
//
// 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 de.undercouch.citeproc;
import de.undercouch.citeproc.csl.CSLItemData;
/**
* Retrieves citation items
* @author Michel Kraemer
*/
public interface ItemDataProvider {
/**
* Retrieve a citation item with a given ID
* @param id the item's unique ID
* @return the item
*/
CSLItemData retrieveItem(String id);
/**
* @return an array of all item IDs this provider can serve
*/
String[] getIds();
}