| // Copyright 2016 Google Inc. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.archivepatcher.shared; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * A factory that produces multiple independent but identical byte streams exposed via the {@link |
| * InputStream} class. |
| */ |
| public interface MultiViewInputStreamFactory { |
| /** |
| * Create and return a new {@link InputStream}. The returned stream is guaranteed to independently |
| * produce the same byte sequence as any other stream obtained via a call to this method on the |
| * same instance of this object. |
| * |
| * @return the stream |
| * @throws IOException if something goes wrong |
| */ |
| public InputStream newStream() throws IOException; |
| } |