Package rs.baselib.io

Class AbstractReaderFilter

java.lang.Object

java.io.Reader

java.io.FilterReader

rs.baselib.io.AbstractReaderFilter

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

Direct Known Subclasses:

XmlReaderFilter

public abstract class AbstractReaderFilter
extends FilterReader

Abstract implementation of a reader that can filter characters.

Descendants shall override isValidChar(char) only.

Author:

ralph

Field Summary

Fields inherited from class java.io.FilterReader

in

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor	Description
AbstractReaderFilter(Reader in)	Constructor.

Method Summary

Modifier and Type	Method	Description
abstract boolean	isValidChar(char c)	Tells the filter reader whether the given character is valid or not.
int	read()
int	read(char[] cbuf, int off, int len)

Methods inherited from class java.io.FilterReader

close, mark, markSupported, ready, reset, skip

Methods inherited from class java.io.Reader

nullReader, read, read, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractReaderFilter

public AbstractReaderFilter(Reader in)

Constructor.

Parameters:

in - - the underlying reader

Method Details

read

public int read()
         throws IOException

Overrides:

read in class FilterReader

Throws:

IOException

read

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

Overrides:

read in class FilterReader

Throws:

IOException

isValidChar

public abstract boolean isValidChar(char c)

Tells the filter reader whether the given character is valid or not.

Parameters:

c - the character to be validated

Returns:

true when the character can be delivered