sk.uniba.euromath.tools.io
Class PipedExceptionReader

java.lang.Object
  java.io.Reader
      java.io.PipedReader
          sk.uniba.euromath.tools.io.PipedExceptionReader

All Implemented Interfaces:

Closeable, Readable

public final class PipedExceptionReader
extends PipedReader

Functionally identical to PipedReader, except that when an exception is caught in the producer thread (the thread that writes data to associated PipedWriter) and it is registered in the registry then all read() methods will fail with the registered exception. For further details please see the documentation of ExceptionRegistry.

Author:

Martin Vysny

Field Summary

ExceptionRegistry

registry If exception in producer occurs then record it here before thread termination.

Fields inherited from class java.io.Reader

lock

Constructor Summary

PipedExceptionReader()
Constructor.

PipedExceptionReader(PipedWriter src)
Constructor.

Method Summary

int	read()
int	read(char[] cbuf, int off, int len)

Methods inherited from class java.io.PipedReader

close, connect, ready

Methods inherited from class java.io.Reader

mark, markSupported, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

registry

public final ExceptionRegistry registry

If exception in producer occurs then record it here before thread termination. It will then be linked as cause of exception thrown by all read() methods.

Constructor Detail

PipedExceptionReader

public PipedExceptionReader()

Constructor.

PipedExceptionReader

public PipedExceptionReader(PipedWriter src)
                     throws IOException

Constructor.

Parameters:

src - source.

Throws:

IOException

Method Detail

read

public int read()
         throws IOException

Overrides:

read in class PipedReader

Throws:

IOException

read

public int read(char[] cbuf,
                int off,
                int len)
         throws IOException

Overrides:

read in class PipedReader

Throws:

IOException