org.apache.isis.core.commons.io

Class LazyInputStream

java.lang.Object

java.io.InputStream

org.apache.isis.core.commons.io.LazyInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class LazyInputStream
extends InputStream

An input stream that reads from an underlying InputStream, deferring the interactions until needed.

This other stream is provided as needed by an LazyInputStream.InputStreamProvider so that the underlying stream is not eagerly loaded.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	LazyInputStream.InputStreamProvider An interface to be implemented by clients that wish to utilize LazyInputStreams.

Constructor Summary

Constructors

Constructor and Description
LazyInputStream(LazyInputStream.InputStreamProvider provider) Construct a new lazy stream based off the given provider.

Method Summary

Methods

Modifier and Type	Method and Description
int	available()
void	close()
boolean	equals(Object obj)
int	hashCode()
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long n)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

LazyInputStream

public LazyInputStream(LazyInputStream.InputStreamProvider provider)

Construct a new lazy stream based off the given provider.

Parameters:

provider - the input stream provider. Must not be null.

Method Detail

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

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

mark

public void mark(int readlimit)

Overrides:

mark in class InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

read

public int read()
         throws IOException

Specified by:

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

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class InputStream

Throws:

IOException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object