Coverage Report - org.apache.commons.io.input.BrokenInputStream
 
Classes in this File Line Coverage Branch Coverage Complexity
BrokenInputStream
80%
8/10
N/A
1.714
 
 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  
 package org.apache.commons.io.input;
 18  
 
 19  
 import java.io.IOException;
 20  
 import java.io.InputStream;
 21  
 
 22  
 /**
 23  
  * Broken input stream. This stream always throws an {@link IOException} from
 24  
  * all the {@link InputStream} methods where the exception is declared.
 25  
  * <p>
 26  
  * This class is mostly useful for testing error handling in code that uses an
 27  
  * input stream.
 28  
  *
 29  
  * @since 2.0
 30  
  */
 31  
 public class BrokenInputStream extends InputStream {
 32  
 
 33  
     /**
 34  
      * The exception that is thrown by all methods of this class.
 35  
      */
 36  
     private final IOException exception;
 37  
 
 38  
     /**
 39  
      * Creates a new stream that always throws the given exception.
 40  
      *
 41  
      * @param exception the exception to be thrown
 42  
      */
 43  12
     public BrokenInputStream(final IOException exception) {
 44  12
         this.exception = exception;
 45  12
     }
 46  
 
 47  
     /**
 48  
      * Creates a new stream that always throws an {@link IOException}
 49  
      */
 50  
     public BrokenInputStream() {
 51  0
         this(new IOException("Broken input stream"));
 52  0
     }
 53  
 
 54  
     /**
 55  
      * Throws the configured exception.
 56  
      *
 57  
      * @return nothing
 58  
      * @throws IOException always thrown
 59  
      */
 60  
     @Override
 61  
     public int read() throws IOException {
 62  8
         throw exception;
 63  
     }
 64  
 
 65  
     /**
 66  
      * Throws the configured exception.
 67  
      *
 68  
      * @return nothing
 69  
      * @throws IOException always thrown
 70  
      */
 71  
     @Override
 72  
     public int available() throws IOException {
 73  4
         throw exception;
 74  
     }
 75  
 
 76  
     /**
 77  
      * Throws the configured exception.
 78  
      *
 79  
      * @param n ignored
 80  
      * @return nothing
 81  
      * @throws IOException always thrown
 82  
      */
 83  
     @Override
 84  
     public long skip(final long n) throws IOException {
 85  2
         throw exception;
 86  
     }
 87  
 
 88  
     /**
 89  
      * Throws the configured exception.
 90  
      *
 91  
      * @throws IOException always thrown
 92  
      */
 93  
     @Override
 94  
     public synchronized void reset() throws IOException {
 95  2
         throw exception;
 96  
     }
 97  
 
 98  
     /**
 99  
      * Throws the configured exception.
 100  
      *
 101  
      * @throws IOException always thrown
 102  
      */
 103  
     @Override
 104  
     public void close() throws IOException {
 105  4
         throw exception;
 106  
     }
 107  
 
 108  
 }