src/java.base/share/classes/java/io/FilterInputStream.java
changeset 55728 978350939943
parent 47216 71c04702a3d5
child 55741 880266b6e5b3
equal deleted inserted replaced
55727:070ffafc4294 55728:978350939943
     1 /*
     1 /*
     2  * Copyright (c) 1994, 2017, Oracle and/or its affiliates. All rights reserved.
     2  * Copyright (c) 1994, 2019, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.  Oracle designates this
     7  * published by the Free Software Foundation.  Oracle designates this
    57      *
    57      *
    58      * @param   in   the underlying input stream, or <code>null</code> if
    58      * @param   in   the underlying input stream, or <code>null</code> if
    59      *          this instance is to be created without an underlying stream.
    59      *          this instance is to be created without an underlying stream.
    60      */
    60      */
    61     protected FilterInputStream(InputStream in) {
    61     protected FilterInputStream(InputStream in) {
       
    62         if (in == null) {
       
    63             throw new NullPointerException();
       
    64         }
    62         this.in = in;
    65         this.in = in;
    63     }
    66     }
    64 
    67 
    65     /**
    68     /**
    66      * Reads the next byte of data from this input stream. The value
    69      * Reads the next byte of data from this input stream. The value