001/**
002 * Copyright 2015 DuraSpace, Inc.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.fcrepo.kernel.services;
017
018import java.io.IOException;
019import java.io.InputStream;
020import java.net.URI;
021
022/**
023 * @author cabeer
024 */
025public interface ExternalContentService {
026    /**
027     * Fetch the content body at a given URI
028     * @param sourceUri the source uri
029     * @return an InputStream of the content body
030     * @throws IOException if IO exception occurred
031     */
032    InputStream retrieveExternalContent(URI sourceUri) throws IOException;
033}