uws.service.file.io

Class OutputStreamWithCloseAction

java.lang.Object

java.io.OutputStream

uws.service.file.io.OutputStreamWithCloseAction

All Implemented Interfaces:

java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable

public class OutputStreamWithCloseAction
extends java.io.OutputStream

This OutputStream wraps another OutputStream. It forwards all write requests to this inner OutputStream. The only difference lies in its close() function which runs a given CloseAction just after having called close() on the inner OutputStream successfully.

Since:

4.4

Version:

4.4 (07/2018)

Author:

Grégory Mantelet (CDS)

See Also:

CloseAction

Constructor Summary

Constructors

Constructor and Description
OutputStreamWithCloseAction(java.io.OutputStream output, CloseAction action) Create an OutputStreamWithCloseAction instance.

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

Constructor Detail

OutputStreamWithCloseAction

public OutputStreamWithCloseAction(java.io.OutputStream output,
                                   CloseAction action)
                            throws java.lang.NullPointerException

Create an OutputStreamWithCloseAction instance.

Parameters:

output - The OutputStream to wrap. MANDATORY

action - The action(s) to run after the given OutputStream has been successfully closed. OPTIONAL

Throws:

java.lang.NullPointerException - If the given OutputStream is missing.

Method Detail

write

public void write(byte[] b)
           throws java.io.IOException

Overrides:

write in class java.io.OutputStream

Throws:

java.io.IOException

write

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

Overrides:

write in class java.io.OutputStream

Throws:

java.io.IOException

write

public void write(int b)
           throws java.io.IOException

Specified by:

write in class java.io.OutputStream

Throws:

java.io.IOException

flush

public void flush()
           throws java.io.IOException

Specified by:

flush in interface java.io.Flushable

Overrides:

flush in class java.io.OutputStream

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Overrides:

close in class java.io.OutputStream

Throws:

java.io.IOException