1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.commons.compress.archivers; 20 21 22 /** 23 * Provides information about ArchiveEntry stream offsets. 24 */ 25 public interface EntryStreamOffsets { 26 27 /** Special value indicating that the offset is unknown. */ 28 long OFFSET_UNKNOWN = -1; 29 30 /** 31 * Gets the offset of data stream within the archive file, 32 * 33 * @return 34 * the offset of entry data stream, {@code OFFSET_UNKNOWN} if not known. 35 */ getDataOffset()36 long getDataOffset(); 37 38 /** 39 * Indicates whether the stream is contiguous, i.e. not split among 40 * several archive parts, interspersed with control blocks, etc. 41 * 42 * @return 43 * true if stream is contiguous, false otherwise. 44 */ isStreamContiguous()45 boolean isStreamContiguous(); 46 } 47