org.apache.james.util.io
Class ResettableFileInputStream

java.lang.Object
  java.io.InputStream
      org.apache.james.util.io.ResettableFileInputStream

All Implemented Interfaces:

java.io.Closeable

public class ResettableFileInputStream
extends java.io.InputStream

Author:

Federico Barbieri

Field Summary

protected static int	DEFAULT_BUFFER_SIZE
protected int	m_bufferSize
protected java.lang.String	m_filename
protected java.io.InputStream	m_inputStream
protected boolean	m_isMarkSet
protected long	m_mark
protected long	m_position

Constructor Summary

ResettableFileInputStream(java.io.File file)

ResettableFileInputStream(java.lang.String filename)

ResettableFileInputStream(java.lang.String filename, int bufferSize)

Method Summary

int	available()
void	close()
void	mark(int readLimit)
boolean	markSupported()
protected java.io.InputStream	newStream()
int	read()
int	read(byte[] bytes, int offset, int length)
void	reset()
long	skip(long count)

Methods inherited from class java.io.InputStream

read

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_BUFFER_SIZE

protected static final int DEFAULT_BUFFER_SIZE

See Also:

Constant Field Values

m_filename

protected final java.lang.String m_filename

m_bufferSize

protected int m_bufferSize

m_inputStream

protected java.io.InputStream m_inputStream

m_position

protected long m_position

m_mark

protected long m_mark

m_isMarkSet

protected boolean m_isMarkSet

Constructor Detail

ResettableFileInputStream

public ResettableFileInputStream(java.io.File file)
                          throws java.io.IOException

Throws:

java.io.IOException

ResettableFileInputStream

public ResettableFileInputStream(java.lang.String filename)
                          throws java.io.IOException

Throws:

java.io.IOException

ResettableFileInputStream

public ResettableFileInputStream(java.lang.String filename,
                                 int bufferSize)
                          throws java.io.IOException

Throws:

java.io.IOException

Method Detail

mark

public void mark(int readLimit)

Overrides:

mark in class java.io.InputStream

markSupported

public boolean markSupported()

Overrides:

markSupported in class java.io.InputStream

reset

public void reset()
           throws java.io.IOException

Overrides:

reset in class java.io.InputStream

Throws:

java.io.IOException

newStream

protected java.io.InputStream newStream()
                                 throws java.io.IOException

Throws:

java.io.IOException

available

public int available()
              throws java.io.IOException

Overrides:

available in class java.io.InputStream

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Specified by:

close in interface java.io.Closeable

Overrides:

close in class java.io.InputStream

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

read

public int read(byte[] bytes,
                int offset,
                int length)
         throws java.io.IOException

Overrides:

read in class java.io.InputStream

Throws:

java.io.IOException

skip

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

Overrides:

skip in class java.io.InputStream

Throws:

java.io.IOException