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## src/java.base/share/classes/java/io/UncheckedIOException.java

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     1 /*
     2  * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     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
     7  * published by the Free Software Foundation.  Oracle designates this
     8  * particular file as subject to the "Classpath" exception as provided
     9  * by Oracle in the LICENSE file that accompanied this code.
    10  *
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    14  * version 2 for more details (a copy is included in the LICENSE file that
    15  * accompanied this code).
    16  *
    17  * You should have received a copy of the GNU General Public License version
    18  * 2 along with this work; if not, write to the Free Software Foundation,
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    20  *
    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    22  * or visit www.oracle.com if you need additional information or have any
    59      * @throws  NullPointerException
    60      *          if the cause is {@code null}
    61      */
    62     public UncheckedIOException(IOException cause) {
    63         super(Objects.requireNonNull(cause));
    64     }
    65
    66     /**
    67      * Returns the cause of this exception.
    68      *
    69      * @return  the {@code IOException} which is the cause of this exception.
    70      */
    71     @Override
    72     public IOException getCause() {
    73         return (IOException) super.getCause();
    74     }
    75
    76     /**
    77      * Called to read the object from a stream.
    78      *

    79      * @throws  InvalidObjectException
    80      *          if the object is invalid or has a cause that is not
    81      *          an {@code IOException}
    82      */
    83     @java.io.Serial
    84     private void readObject(ObjectInputStream s)
    85         throws IOException, ClassNotFoundException
    86     {
    87         s.defaultReadObject();
    88         Throwable cause = super.getCause();
    89         if (!(cause instanceof IOException))
    90             throw new InvalidObjectException("Cause must be an IOException");
    91     }
    92 }
     1 /*
     2  * Copyright (c) 2012, 2020, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     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
     7  * published by the Free Software Foundation.  Oracle designates this
     8  * particular file as subject to the "Classpath" exception as provided
     9  * by Oracle in the LICENSE file that accompanied this code.
    10  *
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    14  * version 2 for more details (a copy is included in the LICENSE file that
    15  * accompanied this code).
    16  *
    17  * You should have received a copy of the GNU General Public License version
    18  * 2 along with this work; if not, write to the Free Software Foundation,
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    20  *
    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    22  * or visit www.oracle.com if you need additional information or have any
    59      * @throws  NullPointerException
    60      *          if the cause is {@code null}
    61      */
    62     public UncheckedIOException(IOException cause) {
    63         super(Objects.requireNonNull(cause));
    64     }
    65
    66     /**
    67      * Returns the cause of this exception.
    68      *
    69      * @return  the {@code IOException} which is the cause of this exception.
    70      */
    71     @Override
    72     public IOException getCause() {
    73         return (IOException) super.getCause();
    74     }
    75
    76     /**
    77      * Called to read the object from a stream.
    78      *
    79      * @param  s the {@code ObjectInputStream} from which data is read
    80      * @throws IOException if an I/O error occurs
    81      * @throws ClassNotFoundException if a serialized class cannot be loaded
    82      * @throws  InvalidObjectException
    83      *          if the object is invalid or has a cause that is not
    84      *          an {@code IOException}
    85      */
    86     @java.io.Serial
    87     private void readObject(ObjectInputStream s)
    88         throws IOException, ClassNotFoundException
    89     {
    90         s.defaultReadObject();
    91         Throwable cause = super.getCause();
    92         if (!(cause instanceof IOException))
    93             throw new InvalidObjectException("Cause must be an IOException");
    94     }
    95 }

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