org.apache.abdera.i18n.text.io

Class DynamicPushbackInputStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

java.io.PushbackInputStream

org.apache.abdera.i18n.text.io.DynamicPushbackInputStream

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Direct Known Subclasses:

RewindableInputStream

public class DynamicPushbackInputStream
extends java.io.PushbackInputStream

PushbackInputStream implementation that performs dynamic resizing of the unread buffer

Constructor Summary

Constructors

Constructor and Description
DynamicPushbackInputStream(java.io.InputStream in)
DynamicPushbackInputStream(java.io.InputStream in, int initialSize)

Method Summary

Modifier and Type	Method and Description
int	clear() Clear the buffer
int	read()
int	read(byte[] b, int off, int len)
int	shrink() Shrink the buffer.
long	skip(long n)
void	unread(byte[] b, int off, int len)
void	unread(int b)

Methods inherited from class java.io.PushbackInputStream

available, close, mark, markSupported, reset, unread

Methods inherited from class java.io.FilterInputStream

read

Methods inherited from class java.lang.Object

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

Constructor Detail

DynamicPushbackInputStream

public DynamicPushbackInputStream(java.io.InputStream in)

DynamicPushbackInputStream

public DynamicPushbackInputStream(java.io.InputStream in,
                                  int initialSize)

Method Detail

clear

public int clear()

Clear the buffer

shrink

public int shrink()

Shrink the buffer. This will reclaim currently unused space in the buffer, reducing memory but potentially increasing the cost of resizing the buffer

unread

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

Overrides:

unread in class java.io.PushbackInputStream

Throws:

java.io.IOException

unread

public void unread(int b)
            throws java.io.IOException

Overrides:

unread in class java.io.PushbackInputStream

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.PushbackInputStream

Throws:

java.io.IOException

read

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

Overrides:

read in class java.io.PushbackInputStream

Throws:

java.io.IOException

skip

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

Overrides:

skip in class java.io.PushbackInputStream

Throws:

java.io.IOException