org.apache.jackrabbit.core.data

Class LazyFileInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

org.apache.commons.io.input.ProxyInputStream

org.apache.commons.io.input.AutoCloseInputStream

org.apache.jackrabbit.core.data.LazyFileInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

public class LazyFileInputStream
extends org.apache.commons.io.input.AutoCloseInputStream

This input stream delays opening the file until the first byte is read, and closes and discards the underlying stream as soon as the end of input has been reached or when the stream is explicitly closed.

Constructor Summary

Constructors

Constructor and Description
LazyFileInputStream(java.io.File file) Creates a new LazyFileInputStream for the given file.
LazyFileInputStream(java.io.FileDescriptor fd) Creates a new LazyFileInputStream for the given file descriptor.
LazyFileInputStream(java.lang.String name) Creates a new LazyFileInputStream for the given file.

Method Summary

Modifier and Type	Method and Description
int	available()
void	close()
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)

Methods inherited from class java.lang.Object

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

Constructor Detail

LazyFileInputStream

public LazyFileInputStream(java.io.File file)
                    throws java.io.FileNotFoundException

Creates a new LazyFileInputStream for the given file. If the file is unreadable, a FileNotFoundException is thrown. The file is not opened until the first byte is read from the stream.

Parameters:

file - the file

Throws:

java.io.FileNotFoundException

LazyFileInputStream

public LazyFileInputStream(java.io.FileDescriptor fd)

Creates a new LazyFileInputStream for the given file descriptor. The file is not opened until the first byte is read from the stream.

Parameters:

fd -

LazyFileInputStream

public LazyFileInputStream(java.lang.String name)
                    throws java.io.FileNotFoundException

Creates a new LazyFileInputStream for the given file. If the file is unreadable, a FileNotFoundException is thrown.

Parameters:

name -

Throws:

java.io.FileNotFoundException

Method Detail

read

public int read()
         throws java.io.IOException

Overrides:

read in class org.apache.commons.io.input.ProxyInputStream

Throws:

java.io.IOException

available

public int available()
              throws java.io.IOException

Overrides:

available in class org.apache.commons.io.input.ProxyInputStream

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 org.apache.commons.io.input.AutoCloseInputStream

Throws:

java.io.IOException

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class org.apache.commons.io.input.ProxyInputStream

Throws:

java.io.IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class org.apache.commons.io.input.ProxyInputStream

mark

public void mark(int readlimit)

Overrides:

mark in class org.apache.commons.io.input.ProxyInputStream

skip

public long skip(long n)
          throws java.io.IOException

Overrides:

skip in class org.apache.commons.io.input.ProxyInputStream

Throws:

java.io.IOException

read

public int read(byte[] b)
         throws java.io.IOException

Overrides:

read in class org.apache.commons.io.input.ProxyInputStream

Throws:

java.io.IOException

read

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

Overrides:

read in class org.apache.commons.io.input.ProxyInputStream

Throws:

java.io.IOException