org.sadun.util
Class RotationalCharBuffer

java.lang.Object
  org.sadun.util.RotationalCharBuffer

public class RotationalCharBuffer

extends java.lang.Object

A rotational character buffer.

Version:

1.0

Author:

Cristiano Sadun

Constructor Summary

RotationalCharBuffer(int length)
Create a buffer with the given lenght.

Method Summary

void	addToLeft(char c) Add a character to the left of the current position.
void	addToLeft(java.lang.String s) Invoke addToLeft(char)on an entire string, one character at a time, starting from the left.
void	addToRight(char c) Add a character to the right of the current position.
void	addToRight(java.lang.String s) Invoke addToRight(char)on an entire string, one character at a time, starting from the left.
boolean	equals(java.lang.Object obj)
int	size() Return the size of the buffer.
java.lang.String	toString() Return a string image of the buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

RotationalCharBuffer

public RotationalCharBuffer(int length)

Create a buffer with the given lenght.

Parameters:

length - the lenght of the buffer

Method Detail

addToRight

public void addToRight(char c)

Add a character to the right of the current position.

The characters on the left are shifted one position and the leftmost discarded, if needed.

Parameters:

c - the character to add

addToRight

public void addToRight(java.lang.String s)

Invoke addToRight(char)on an entire string, one character at a time, starting from the left.

Parameters:

s - the string to add.

addToLeft

public void addToLeft(char c)

Add a character to the left of the current position.

The characters on the right are shifted one position and the rightmost discarded, if needed.

Parameters:

c - the character to add

addToLeft

public void addToLeft(java.lang.String s)

Invoke addToLeft(char)on an entire string, one character at a time, starting from the left.

Parameters:

s - the string to add.

size

public int size()

Return the size of the buffer.

Returns:

the size of the buffer.

toString

public java.lang.String toString()

Return a string image of the buffer.

Returns:

a string image of the buffer.

equals

public boolean equals(java.lang.Object obj)