/*
* Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
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package java.io;
/**
* Exception indicating the failure of an object read operation due to
* unread primitive data, or the end of data belonging to a serialized
* object in the stream. This exception may be thrown in two cases:
*
* <ul>
* <li>An attempt was made to read an object when the next element in the
* stream is primitive data. In this case, the OptionalDataException's
* length field is set to the number of bytes of primitive data
* immediately readable from the stream, and the eof field is set to
* false.
*
* <li>An attempt was made to read past the end of data consumable by a
* class-defined readObject or readExternal method. In this case, the
* OptionalDataException's eof field is set to true, and the length field
* is set to 0.
* </ul>
*
* @author unascribed
* @since JDK1.1
*/
public class OptionalDataException extends ObjectStreamException {
private static final long serialVersionUID = -8011121865681257820L;
/*
* Create an <code>OptionalDataException</code> with a length.
*/
OptionalDataException(int len) {
eof = false;
length = len;
}
/*
* Create an <code>OptionalDataException</code> signifying no
* more primitive data is available.
*/
OptionalDataException(boolean end) {
length = 0;
eof = end;
}
/**
* The number of bytes of primitive data available to be read
* in the current buffer.
*
* @serial
*/
public int length;
/**
* True if there is no more data in the buffered part of the stream.
*
* @serial
*/
public boolean eof;
}