001/*
002 * (C) Copyright 2017 Nuxeo SA (http://nuxeo.com/) and others.
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 *
016 * Contributors:
017 *     bdelbosc
018 */
019package org.nuxeo.importer.stream.producer;
020
021import java.io.File;
022
023import org.nuxeo.importer.stream.message.BlobMessage;
024import org.nuxeo.lib.stream.pattern.producer.ProducerFactory;
025import org.nuxeo.lib.stream.pattern.producer.ProducerIterator;
026
027/**
028 * @since 9.1
029 */
030public class FileBlobMessageProducerFactory implements ProducerFactory<BlobMessage> {
031    protected final File listFile;
032
033    protected final String basePath;
034
035    protected final long nbBlobs;
036
037    /**
038     * Produce messages to import files listed in the listFile. the basePath is added as a prefix to all file path in
039     * the listFile if nbBlobs = 0 the entire listFile is imported
040     */
041    public FileBlobMessageProducerFactory(File listFile, String basePath, long nbBlobs) {
042        this.listFile = listFile;
043        this.basePath = basePath;
044        this.nbBlobs = nbBlobs;
045    }
046
047    @Override
048    public ProducerIterator<BlobMessage> createProducer(int producerId) {
049        return new FileBlobMessageProducer(producerId, listFile, basePath, nbBlobs);
050    }
051}