org.apache.jackrabbit.util
Class LazyFileInputStream

java.lang.Object
  java.io.InputStream
      org.apache.jackrabbit.util.LazyFileInputStream

public class LazyFileInputStream

extends InputStream

This Class implements an InputStream that provides the same functionality as a FileInputStream but opens the file by the first file access.

Constructor Summary

LazyFileInputStream(File file)
Creates a new LazyFileInputStream for the given file.

LazyFileInputStream(FileDescriptor fdObj)
Creates a new LazyFileInputStream for the given file desciptor.

LazyFileInputStream(String name)
Creates a new LazyFileInputStream for the given file.

Method Summary

int	available()
void	close()
void	mark(int readlimit)
boolean	markSupported()
void	open() Opens the underlying file input stream in neccessairy.
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

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

Constructor Detail

LazyFileInputStream

public LazyFileInputStream(File file)
                    throws FileNotFoundException

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

Parameters:

file -

Throws:

FileNotFoundException

LazyFileInputStream

public LazyFileInputStream(FileDescriptor fdObj)

Creates a new LazyFileInputStream for the given file desciptor.

Parameters:

fdObj -

LazyFileInputStream

public LazyFileInputStream(String name)
                    throws FileNotFoundException

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

Parameters:

name -

Throws:

FileNotFoundException

Method Detail

open

public void open()
          throws IOException

Opens the underlying file input stream in neccessairy.

Throws:

IOException

read

public int read()
         throws IOException

Throws:

IOException

available

public int available()
              throws IOException

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException

reset

public void reset()
           throws IOException

Throws:

IOException

markSupported

public boolean markSupported()

mark

public void mark(int readlimit)

skip

public long skip(long n)
          throws IOException

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Throws:

IOException

read

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

Throws:

IOException