de.weltraumschaf.commons.uri

Class CharacterIterator

java.lang.Object

de.weltraumschaf.commons.uri.CharacterIterator

final class CharacterIterator
extends Object

Iterator which iterates through the input string and returns characters from that string.

Author:

Miroslav Fuksa (miroslav.fuksa at oracle.com)

Field Summary

Fields

Modifier and Type	Field and Description
private int	pos
private String	s

Constructor Summary

Constructors

Constructor and Description
CharacterIterator(String s) Creates a new iterator initialized with the given input string.

Method Summary

Modifier and Type	Method and Description
(package private) char	current() Returns character at the current position.
(package private) String	getInput() Returns the input String on which this CharacterIterator iterator operates.
(package private) boolean	hasNext() Determines whether there is next character in the iteration chain.
(package private) char	next() Returns next character in the iteration chain and increase the current position.
(package private) char	peek() Returns the next character without increasing the position.
(package private) int	pos() Returns the current internal position of the iterator.
(package private) void	setPosition(int newPosition) Changes the current position to the position.

Methods inherited from class java.lang.Object

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

Field Detail

pos

private int pos

s

private String s

Constructor Detail

CharacterIterator

CharacterIterator(String s)

Creates a new iterator initialized with the given input string.

Parameters:

s - String trough which the iterator iterates.

Method Detail

hasNext

boolean hasNext()

Determines whether there is next character in the iteration chain.

Returns:

True if there is a character which can be retrieved by #next(), false otherwise.

next

char next()

Returns next character in the iteration chain and increase the current position.

Returns:

Next character.

Throws:

RuntimeException - The method might throw exception when there is no more character to be retrieved.

peek

char peek()

Returns the next character without increasing the position. The method does the same as #next() but the position is not changed by calling this method.

Returns:

Next character.

pos

int pos()

Returns the current internal position of the iterator.

Returns:

current position of the iterator

getInput

String getInput()

Returns the input String on which this CharacterIterator iterator operates.

Returns:

String which initialized this iterator.

setPosition

void setPosition(int newPosition)

Changes the current position to the position.

Parameters:

newPosition - New position for the iterator.

current

char current()

Returns character at the current position.

Returns:

Character from current position.