Class CatReader

java.lang.Object

java.io.Reader

edu.jas.util.CatReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class CatReader
extends Reader

Reader to conncat two readers. Read from first reader until it is empty, then read from second reader.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	doFirst
private final Reader	first
private final Reader	second

Fields inherited from class Reader

lock

Constructor Summary

Constructors

Constructor	Description
CatReader(Reader f, Reader s)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()	Close this Reader.
int	read(char[] cbuf, int off, int len)	Read char array.

Methods inherited from class Reader

mark, markSupported, read, read, read, ready, reset, skip

Methods inherited from class Object

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

Field Details

first

private final Reader first

second

private final Reader second

doFirst

private boolean doFirst

Constructor Details

CatReader

public CatReader(Reader f,
 Reader s)

Constructor.

Parameters:

f - first Reader.

s - second Reader.

Method Details

read

public int read(char[] cbuf,
 int off,
 int len)
         throws IOException

Read char array.

Specified by:

read in class Reader

Parameters:

cbuf - array.

off - start offset.

len - number of chars to read.

Returns:

number of chars read, or -1.

Throws:

IOException

close

public void close()
           throws IOException

Close this Reader.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Reader

Throws:

IOException