Readers (janino-parent 3.1.12 API)

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.
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 java.lang.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.
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