| |
| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 org.apache.poi.poifs.filesystem; |
| |
| import java.io.*; |
| import java.util.Random; |
| |
| /** |
| * Returns a random amount of requested data. Used to check conformance with |
| * InputStream API contracts. |
| */ |
| public class SlowInputStream extends FilterInputStream |
| { |
| private final Random r = new Random(0); |
| |
| public SlowInputStream(InputStream in) { |
| super(in); |
| } |
| |
| @Override |
| public int read(byte[] b, int off, int len) throws IOException { |
| return super.read(b, off, r.nextInt(len) + 1); |
| } |
| } |