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.File;
019import java.io.FileFilter;
020import java.util.Iterator;
021import java.util.regex.Pattern;
022
023import org.apache.commons.io.filefilter.RegexFileFilter;
024import org.fcrepo.migration.FedoraObjectProcessor;
025import org.fcrepo.migration.ObjectSource;
026
027/**
028 * An ObjectSource implementation that exposes FOXML from a provided directory.
029 * The FOXML is expected to have been produced using the export API method with
030 * the "archive" context.  As such, each file will be a completely self-contained
031 * serialization of the Fedora 3 object.
032 * @author mdurbin
033 */
034public class ArchiveExportedFoxmlDirectoryObjectSource implements ObjectSource {
035
036    private File root;
037
038    private URLFetcher fetcher;
039
040    private String localFedoraServer;
041
042    /**
043     * Defaults to match any filename that doesn't begin with a "." character.
044     */
045    private FileFilter fileFilter = new RegexFileFilter(Pattern.compile("^[^\\.].*$"));
046
047    /**
048     * archive exported foxml directory object source.
049     * @param exportDir the export directory
050     * @param localFedoraServer the domain and port for the server that hosted the fedora objects in the format
051     *                          "localhost:8080".
052     */
053    public ArchiveExportedFoxmlDirectoryObjectSource(final File exportDir, final String localFedoraServer) {
054        this.root = exportDir;
055        this.fetcher = new HttpClientURLFetcher();
056        this.localFedoraServer = localFedoraServer;
057    }
058
059    /**
060     * set the fetcher.
061     * @param fetcher the fetcher
062     */
063    public void setFetcher(final URLFetcher fetcher) {
064        this.fetcher = fetcher;
065    }
066
067    /**
068     * Sets a FileFilter to determine which files will be considered as object
069     * files in the source directories.
070     * @param fileFilter a FileFilter implementation
071     */
072    public void setFileFilter(final FileFilter fileFilter) {
073        this.fileFilter = fileFilter;
074    }
075
076    @Override
077    public Iterator<FedoraObjectProcessor> iterator() {
078        return new FoxmlDirectoryDFSIterator(root, fetcher, localFedoraServer, fileFilter);
079    }
080}