Package de.iip_ecosphere.platform.support

Class DelegatingInputStream

java.lang.Object

java.io.InputStream

de.iip_ecosphere.platform.support.DelegatingInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

ZipUtils.ClosingInputStream

public class DelegatingInputStream
extends InputStream

An input stream that delegates its operations to a given delegate input stream.

Author:

Holger Eichelberger, SSE

Field Summary

Fields

Modifier and Type	Field	Description
private InputStream	delegate

Constructor Summary

Constructors

Constructor	Description
DelegatingInputStream(InputStream delegate)	Creates an instance.

Method Summary

Modifier and Type	Method	Description
int	available()
void	close()
protected InputStream	getDelegate()	Returns the delegate.
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] buf)
int	read(byte[] buf, int off, int len)
void	reset()
long	skip(long num)

Methods inherited from class java.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Field Details

delegate

private InputStream delegate

Constructor Details

DelegatingInputStream

public DelegatingInputStream(InputStream delegate)

Creates an instance.

Parameters:

delegate - the delegate to call for individual operations

Method Details

getDelegate

protected InputStream getDelegate()

Returns the delegate.

Returns:

the delgate

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] buf)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

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

Overrides:

read in class InputStream

Throws:

IOException

skip

public long skip(long num)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException

mark

public void mark(int readlimit)

Overrides:

mark in class InputStream

reset

public void reset()
           throws IOException

Overrides:

reset in class InputStream

Throws:

IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream