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.IOException; 019 020import org.apache.commons.compress.archivers.tar.TarArchiveEntry; 021import org.vafer.jdeb.DataConsumer; 022import org.vafer.jdeb.DataProducer; 023import org.vafer.jdeb.mapping.Mapper; 024 025/** 026 * DataProducer representing a single file 027 * For cross-platform permissions and ownerships you probably want to use a Mapper, too. 028 */ 029public final class DataProducerLink extends AbstractDataProducer implements DataProducer { 030 031 private final String path; 032 private final String linkName; 033 private final boolean symlink; 034 035 public DataProducerLink(final String path, final String linkName, final boolean symlink, String[] pIncludes, String[] pExcludes, Mapper[] pMapper) { 036 super(pIncludes, pExcludes, pMapper); 037 this.path = path; 038 this.symlink = symlink; 039 this.linkName = linkName; 040 } 041 042 public void produce( final DataConsumer pReceiver ) throws IOException { 043 TarArchiveEntry entry = new TarArchiveEntry(path, symlink ? TarArchiveEntry.LF_SYMLINK : TarArchiveEntry.LF_LINK); 044 entry.setLinkName(linkName); 045 046 entry.setUserId(Producers.ROOT_UID); 047 entry.setUserName(Producers.ROOT_NAME); 048 entry.setGroupId(Producers.ROOT_UID); 049 entry.setGroupName(Producers.ROOT_NAME); 050 entry.setMode(TarArchiveEntry.DEFAULT_FILE_MODE); 051 052 entry = map(entry); 053 054 entry.setName(path); 055 entry.setLinkName(linkName); 056 057 pReceiver.onEachLink(entry); 058 } 059 060}