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 20 package org.apache.commons.compress.parallel; 21 22 import java.io.InputStream; 23 24 /** 25 * Supplies input streams. 26 * 27 * Implementations are required to support thread-handover. While an instance will 28 * not be accessed concurrently by multiple threads, it will be called by 29 * a different thread than it was created on. 30 * 31 * @since 1.10 32 */ 33 public interface InputStreamSupplier { 34 35 /** 36 * Supply an input stream for a resource. 37 * @return the input stream. Should never null, but may be an empty stream. 38 */ get()39 InputStream get(); 40 } 41