001/*
002 * Copyright 2007-2018 The jdeb developers.
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.vafer.jdeb.producers;
017
018import java.io.File;
019import java.io.FileInputStream;
020import java.io.IOException;
021
022import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
023import org.vafer.jdeb.DataConsumer;
024import org.vafer.jdeb.DataProducer;
025import org.vafer.jdeb.mapping.Mapper;
026
027/**
028 * DataProducer representing a single file
029 * For cross-platform permissions and ownerships you probably want to use a Mapper, too.
030 */
031public final class DataProducerFile extends AbstractDataProducer implements DataProducer {
032
033    private final File file;
034
035    private final String destinationName;
036
037    public DataProducerFile( final File pFile, String pDestinationName, String[] pIncludes, String[] pExcludes, Mapper[] pMapper ) {
038        super(pIncludes, pExcludes, pMapper);
039        file = pFile;
040        destinationName = pDestinationName;
041    }
042
043    public void produce( final DataConsumer pReceiver ) throws IOException {
044        String fileName;
045        if (destinationName != null && destinationName.trim().length() > 0) {
046            fileName = destinationName.trim();
047        } else {
048            fileName = file.getName();
049        }
050
051        TarArchiveEntry entry = Producers.defaultFileEntryWithName(fileName);
052
053        entry = map(entry);
054
055        entry.setSize(file.length());
056
057        Producers.produceInputStreamWithEntry(pReceiver, new FileInputStream(file), entry);
058    }
059
060}