org.dataone.service.util

Class ExceptionalInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

java.io.PushbackInputStream

org.dataone.service.util.ExceptionalInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class ExceptionalInputStream
extends PushbackInputStream

This is a special purpose subclass of PushbackInputStream useful for determining whether or not an input stream contains a Dataone type, a Dataone exception, or other. Performance-wise, there is only buffering done on the first lookAhead read to determine the contents of the stream.

Author:

rnahf

Field Summary

Fields inherited from class java.io.PushbackInputStream

buf, pos

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
ExceptionalInputStream(InputStream inputStream)

Method Summary

Modifier and Type	Method and Description
boolean	isException()

Methods inherited from class java.io.PushbackInputStream

available, close, mark, markSupported, read, read, reset, skip, unread, unread, unread

Methods inherited from class java.io.FilterInputStream

read

Methods inherited from class java.lang.Object

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

Constructor Detail

ExceptionalInputStream

public ExceptionalInputStream(InputStream inputStream)

Method Detail

isException

public boolean isException()
                    throws IOException

Throws:

IOException