Class Readers

java.lang.Object

org.codehaus.commons.compiler.io.Readers

public final class Readers
extends Object

Utiltity methods related to Reader.

Field Summary

Fields

Modifier and Type	Field	Description
static final Reader	EMPTY_READER	Any attempts to read return an "end-of-input" condition.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Readers()

Method Summary

Modifier and Type	Method	Description
static Reader	concat(Reader... delegates)
static Reader	concat(Iterable<Reader> delegates)
static void	copy(Reader in, Writer out)
static Reader	onFirstChar(Reader in, Runnable runnable)
static String	readAll(Reader in)
static Reader	teeReader(Reader in, Writer out, boolean closeWriterOnEoi)
static Reader	trackLineAndColumn(Reader in, LineAndColumnTracker tracker)

Methods inherited from class Object

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

Field Details

EMPTY_READER

public static final Reader EMPTY_READER

Any attempts to read return an "end-of-input" condition.

Constructor Details

Readers

private Readers()

Method Details

onFirstChar

public static Reader onFirstChar(Reader in,
 Runnable runnable)

Returns:

FilterReader that runs the runnable right before the first character is read

trackLineAndColumn

public static Reader trackLineAndColumn(Reader in,
 LineAndColumnTracker tracker)

Returns:

A FilterReader that tracks line and column numbers while characters are being read

concat

public static Reader concat(Reader... delegates)

concat

public static Reader concat(Iterable<Reader> delegates)

Returns:

Reads from the first element of the delegates, then, after EOI, from the second until EOI, and so forth

teeReader

public static Reader teeReader(Reader in,
 Writer out,
 boolean closeWriterOnEoi)

Returns:

A Reader that copies the bytes being passed through to a given Writer; this is in analogy with the UNIX "tee" command

readAll

public static String readAll(Reader in)
                      throws IOException

Throws:

IOException

copy

public static void copy(Reader in,
 Writer out)
                 throws IOException

Throws:

IOException