Package monq.jfa

Class ReaderCharSource

java.lang.Object

monq.jfa.ReaderCharSource

All Implemented Interfaces:

CharSource

public class ReaderCharSource
extends Object
implements CharSource

Wraps a Reader or an input stream to provide a CharSource.

NOTE: This class has no close() method. Any wrappend closeable input must be closed by the code providing it.

Constructor Summary

Constructors

Constructor	Description
ReaderCharSource(InputStream in, Charset chSet)	Wraps the InputStream into a Reader, using an encoding for the given character set.
ReaderCharSource(Reader in)

Method Summary

Modifier and Type	Method	Description
int	backToMark()	Resets this to a previously set CharSource.mark().
void	mark()	Sets a mark until which we may want to skip back with CharSource.backToMark() to re-read part of the input.
int	read()	returns a single character or -1 to indicate end of file.

Methods inherited from class java.lang.Object

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

Constructor Details

ReaderCharSource

public ReaderCharSource(Reader in)

ReaderCharSource

public ReaderCharSource(InputStream in,
 Charset chSet)

Wraps the InputStream into a Reader, using an encoding for the given character set.

The Reader used internally cannot be closed. Anyone who thinks this is a problem, please let me know. But don't forget to close the InputStream eventually.

Method Details

read

public int read()
         throws IOException

Description copied from interface: CharSource

returns a single character or -1 to indicate end of file.

Specified by:

read in interface CharSource

Throws:

IOException

mark

public void mark()

Description copied from interface: CharSource

Sets a mark until which we may want to skip back with CharSource.backToMark() to re-read part of the input. The initial mark is always at the start of the input, so that after a call to backToMark the whole CharSource can be re-read.

Specified by:

mark in interface CharSource

backToMark

public int backToMark()

Description copied from interface: CharSource

Resets this to a previously set CharSource.mark().

Specified by:

backToMark in interface CharSource