Class CompoundReader

java.lang.Object

java.io.Reader

com.twelvemonkeys.io.CompoundReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class CompoundReader
extends Reader

A Reader implementation that can read from multiple sources.

Version:

$Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-core/src/main/java/com/twelvemonkeys/io/CompoundReader.java#2 $

Field Summary

Fields

Modifier and Type	Field	Description
private Reader	current
private int	currentReader
protected final Object	finalLock
private long	mark
private int	markedReader
protected final boolean	markSupported
private long	next
private List<Reader>	readers

Fields inherited from class Reader

lock

Constructor Summary

Constructors

Constructor	Description
CompoundReader(Iterator<Reader> pReaders)	Create a new compound reader.

Method Summary

Modifier and Type	Method	Description
void	close()
protected final void	ensureOpen()	Check to make sure that the stream has not been closed
void	mark(int pReadLimit)
boolean	markSupported()
protected final Reader	nextReader()
int	read()
int	read(char[] pBuffer, int pOffset, int pLength)
boolean	ready()
void	reset()
long	skip(long pChars)

Methods inherited from class Reader

nullReader, of, read, read, readAllAsString, readAllLines, transferTo

Methods inherited from class Object

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

Field Details

current

private Reader current

readers

private List<Reader> readers

finalLock

protected final Object finalLock

markSupported

protected final boolean markSupported

currentReader

private int currentReader

markedReader

private int markedReader

mark

private long mark

next

private long next

Constructor Details

CompoundReader

public CompoundReader(Iterator<Reader> pReaders)

Create a new compound reader.

Parameters:

pReaders - Iterator containting Readers, providing the character stream.

Throws:

NullPointerException - if pReaders is null, or any of the elements in the iterator is null.

ClassCastException - if any element of the iterator is not a java.io.Reader

Method Details

nextReader

protected final Reader nextReader()

ensureOpen

protected final void ensureOpen()
                         throws IOException

Check to make sure that the stream has not been closed

Throws:

IOException - if the stream is closed

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Reader

Throws:

IOException

mark

public void mark(int pReadLimit)
          throws IOException

Overrides:

mark in class Reader

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class Reader

Throws:

IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class Reader

read

public int read()
         throws IOException

Overrides:

read in class Reader

Throws:

IOException

read

public int read(char[] pBuffer,
 int pOffset,
 int pLength)
         throws IOException

Specified by:

read in class Reader

Throws:

IOException

ready

public boolean ready()
              throws IOException

Overrides:

ready in class Reader

Throws:

IOException

skip

public long skip(long pChars)
          throws IOException

Overrides:

skip in class Reader

Throws:

IOException