org.apache.lucene.mockfile

Class FilterOutputStream2

java.lang.Object

java.io.OutputStream

org.apache.lucene.mockfile.FilterOutputStream2

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public abstract class FilterOutputStream2
extends OutputStream

A FilterOutputStream2 contains another OutputStream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.

Note: unlike FilterOutputStream this class delegates every method by default. This means to transform write calls, you need to override multiple methods. On the other hand, it is less trappy: a simple implementation that just overrides close will not force bytes to be written one-at-a-time.

Field Summary

Fields

Modifier and Type	Field and Description
protected OutputStream	delegate The underlying OutputStream instance.

Constructor Summary

Constructors

Constructor and Description
FilterOutputStream2(OutputStream delegate) Construct a FilterOutputStream2 based on the specified base stream.

Method Summary

Modifier and Type	Method and Description
void	close()
void	flush()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.lang.Object

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

Field Detail

delegate

protected final OutputStream delegate

The underlying OutputStream instance.

Constructor Detail

FilterOutputStream2

public FilterOutputStream2(OutputStream delegate)

Construct a FilterOutputStream2 based on the specified base stream.

Note that base stream is closed if this stream is closed.

Parameters:

delegate - specified base stream.

Method Detail

write

public void write(byte[] b)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class OutputStream

Throws:

IOException

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException