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.migration.foxml;
017
018import java.io.IOException;
019import java.io.InputStream;
020import java.net.URL;
021
022/**
023 * A simple abstraction around the functionality of reading
024 * content from a URL as an InputStream.  Use of this interface
025 * allows for pluggable implementations and easier testing.
026 * @author mdurbin
027 */
028public interface URLFetcher {
029
030    /**
031     * get content from a url.
032     * @param url the url
033     * @return the content
034     * @throws IOException IO exception
035     */
036    public InputStream getContentAtUrl(URL url) throws IOException;
037}