org.apache.regexp

Class StreamCharacterIterator

public final class StreamCharacterIterator extends Object implements CharacterIterator

Encapsulates java.io.InputStream as CharacterIterator.

Version: CVS $Id: StreamCharacterIterator.java 518156 2007-03-14 14:31:26Z vgritsenko $

Author: Ales Novak

Field Summary
StringBuffer	buff Buffer of read chars
boolean	closed read end?
InputStream	is Underlying is

Constructor Summary
	StreamCharacterIterator(InputStream is)

Method Summary
char	charAt(int pos)
void	ensure(int idx) Reads chars up to the idx
boolean	isEnd(int pos)
int	read(int n) Reads n characters from the stream and appends them to the buffer
void	readAll() Reads rest of the stream.
String	substring(int beginIndex, int endIndex)
String	substring(int beginIndex)

Field Detail

buff

private final StringBuffer buff

Buffer of read chars

closed

private boolean closed

read end?

is

private final InputStream is

Underlying is

Constructor Detail

StreamCharacterIterator

public StreamCharacterIterator(InputStream is)

Parameters: is an InputStream, which is parsed

Method Detail

charAt

public char charAt(int pos)

Returns: a character at the specified position.

ensure

private void ensure(int idx)

Reads chars up to the idx

isEnd

public boolean isEnd(int pos)

Returns: true iff if the specified index is after the end of the character stream

read

private int read(int n)

Reads n characters from the stream and appends them to the buffer

readAll

private void readAll()

Reads rest of the stream.

substring

public String substring(int beginIndex, int endIndex)

Returns: a substring

substring

public String substring(int beginIndex)

Returns: a substring

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