net.sf.mmm.crypto.io

Class InputStreamWrapper

java.lang.Object

java.io.InputStream

net.sf.mmm.crypto.io.InputStreamWrapper

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

CryptorInputStream

public class InputStreamWrapper
extends InputStream

An InputStream that wraps another InputStream to delegate from.

Since:

1.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	closed
private InputStream	delegate

Constructor Summary

Constructors

Constructor and Description
InputStreamWrapper(InputStream delegate) The constructor.

Method Summary

Modifier and Type	Method and Description
void	close()
protected InputStream	getDelegate()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
protected void	requireNotClosed()

Methods inherited from class java.io.InputStream

available, mark, markSupported, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

delegate

private final InputStream delegate

closed

private boolean closed

Constructor Detail

InputStreamWrapper

public InputStreamWrapper(InputStream delegate)

The constructor.

Parameters:

delegate - the delegate. May not be null.

Method Detail

getDelegate

protected InputStream getDelegate()

Returns:

the wrapped InputStream to delegate from. May not be null.

requireNotClosed

protected void requireNotClosed()
                         throws IOException

Throws:

IOException - if the stream has already been closed.

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public final int read(byte[] b)
               throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

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

Overrides:

read in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Overrides:

close in class InputStream

Throws:

IOException