1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.codec.binary; 19 20 import java.io.IOException; 21 import java.io.InputStream; 22 23 /** 24 * Emits three line-feeds '\n' in a row, one at a time, and then EOF. 25 * 26 * Recreates the bug described in CODEC-105. 27 * 28 * @version $Id $ 29 * @since 1.5 30 */ 31 public class Codec105ErrorInputStream extends InputStream { 32 private static final int EOF = -1; 33 34 int countdown = 3; 35 36 @Override 37 public int read() throws IOException { 38 if (this.countdown-- > 0) { 39 return '\n'; 40 } else { 41 return EOF; 42 } 43 } 44 45 @Override 46 public int read(final byte b[], final int pos, final int len) throws IOException { 47 if (this.countdown-- > 0) { 48 b[pos] = '\n'; 49 return 1; 50 } else { 51 return EOF; 52 } 53 } 54 }