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 CachedContent implementation that exposes content stored
024 * at a resolvable URL.
025 * @author mdurbin
026 */
027public class URLCachedContent implements CachedContent {
028
029    private URL url;
030
031    private URLFetcher fetcher;
032
033    /**
034     * url cached content.
035     * @param url the url
036     * @param fetcher the fetcher
037     */
038    public URLCachedContent(final URL url, final URLFetcher fetcher) {
039        this.fetcher = fetcher;
040        this.url = url;
041    }
042    /**
043     * get URL.
044     * @return the url
045     */
046    public URL getURL() {
047        return url;
048    }
049
050    @Override
051    public InputStream getInputStream() throws IOException {
052        return fetcher.getContentAtUrl(url);
053    }
054}