net.loomchild.segment.srx

Class TextManager

java.lang.Object

net.loomchild.segment.srx.TextManager

public class TextManager
extends Object

Represents text manager. Responsible for managing current text, reading more text from the reader and checking if there is more text left.

Author:

loomchild

Constructor Summary

Constructors

Constructor and Description
TextManager(CharSequence text) Creates text manager containing given text.
TextManager(Reader reader, int bufferLength) Creates text manager reading text from given reader.

Method Summary

Methods

Modifier and Type	Method and Description
int	getBufferLength()
CharSequence	getText()
boolean	hasMoreText()
void	readText(int amount) Deletes given amount of characters from current character buffer and tries to read up to given amount of new characters and stores them in current character buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

TextManager

public TextManager(CharSequence text)

Creates text manager containing given text. Reading more text is not possible when using this constructor.

Parameters:

text -

TextManager

public TextManager(Reader reader,
           int bufferLength)

Creates text manager reading text from given reader. Only specified amount of memory for buffer will be used. Managed text will never be longer than given buffer size. Text is not actually read until required (lazy initialization).

Parameters:

reader -

bufferLength - read buffer size

Method Detail

getBufferLength

public int getBufferLength()

getText

public CharSequence getText()

Returns:

current text

hasMoreText

public boolean hasMoreText()

Returns:

true if more text can be read

readText

public void readText(int amount)

Deletes given amount of characters from current character buffer and tries to read up to given amount of new characters and stores them in current character buffer.

Parameters:

amount - amount of characters to read

Throws:

IllegalArgumentException - if hasMoreText() returns false or amount is greater than buffer size