Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class OptionalDataException - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Edition

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java.io
Class OptionalDataException

java.lang.Object
  |
  +--java.lang.Throwable
        |
        +--java.lang.Exception
              |
              +--java.io.IOException
                    |
                    +--java.io.ObjectStreamException
                          |
                          +--java.io.OptionalDataException

public class OptionalDataException
extends ObjectStreamException

Unexpected data appeared in an ObjectInputStream trying to read an Object. Occurs when the stream contains primitive data instead of the object that is expected by readObject. The EOF flag in the exception is true indicating that no more primitive data is available. The count field contains the number of bytes available to read.

Since:: JDK1.1
See Also:: Serialized Form

Field Summary

boolean eof
True if there is no more data in the buffered part of the stream.

int length
The number of bytes of primitive data available to be read in the current buffer.

Methods inherited from class java.lang.Throwable

fillInStackTrace, getLocalizedMessage, getMessage, printStackTrace, printStackTrace, printStackTrace, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

length

public int length

The number of bytes of primitive data available to be read in the current buffer.

eof

public boolean eof

True if there is no more data in the buffered part of the stream.