Coverage Report - org.apache.commons.io.input.ClosedInputStream
 
Classes in this File Line Coverage Branch Coverage Complexity
ClosedInputStream
100%
3/3
N/A
1
 
 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 static org.apache.commons.io.IOUtils.EOF;
 20  
 
 21  
 import java.io.InputStream;
 22  
 
 23  
 /**
 24  
  * Closed input stream. This stream returns EOF to all attempts to read
 25  
  * something from the stream.
 26  
  * <p>
 27  
  * Typically uses of this class include testing for corner cases in methods
 28  
  * that accept input streams and acting as a sentinel value instead of a
 29  
  * {@code null} input stream.
 30  
  *
 31  
  * @version $Id: ClosedInputStream.java 1586350 2014-04-10 15:57:20Z ggregory $
 32  
  * @since 1.4
 33  
  */
 34  15
 public class ClosedInputStream extends InputStream {
 35  
 
 36  
     /**
 37  
      * A singleton.
 38  
      */
 39  4
     public static final ClosedInputStream CLOSED_INPUT_STREAM = new ClosedInputStream();
 40  
 
 41  
     /**
 42  
      * Returns -1 to indicate that the stream is closed.
 43  
      *
 44  
      * @return always -1
 45  
      */
 46  
     @Override
 47  
     public int read() {
 48  8
         return EOF;
 49  
     }
 50  
 
 51  
 }