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.IOException;
020
021/**
022 * An extension of DirectoryScanningIDResolver for datastream directories of fedora
023 * repositories using the legacy-fs storage implementation.
024 *
025 * @author mdurbin
026 */
027public class LegacyFSIDResolver extends DirectoryScanningIDResolver {
028
029    /**
030     * Basic constructor.
031     * @param indexDir A directory that will serve as a lucene index directory to cache ID resolution.
032     * @param dsRoot the root directory of the AkubraFS datastream store.
033     * @throws IOException IO exception creating temp and index files/directories
034     */
035    public LegacyFSIDResolver(final File indexDir, final File dsRoot) throws IOException {
036        super(indexDir, dsRoot);
037    }
038
039    /**
040     * Basic constructor.
041     * @param dsRoot the root directory of the AkubraFS datastream store.
042     * @throws IOException IO exception creating temp and index files/directories
043     */
044    public LegacyFSIDResolver(final File dsRoot) throws IOException {
045        super(null, dsRoot);
046    }
047
048    @Override
049    protected String getInternalIdForFile(final File f) {
050        return f.getName().replaceFirst("_", ":");
051    }
052}