org.apache.commons.io.input

Class AbstractCharacterFilterReader

java.lang.Object

java.io.Reader

java.io.FilterReader

org.apache.commons.io.input.AbstractCharacterFilterReader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Readable

Direct Known Subclasses:

CharacterFilterReader, CharacterSetFilterReader

public abstract class AbstractCharacterFilterReader
extends java.io.FilterReader

A filter reader that filters out characters where subclasses decide which characters to filter out.

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.function.IntPredicate	skip
protected static java.util.function.IntPredicate	SKIP_NONE Skips nothing.

Fields inherited from class java.io.FilterReader

in

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractCharacterFilterReader(java.io.Reader reader) Constructs a new reader.
protected	AbstractCharacterFilterReader(java.io.Reader reader, java.util.function.IntPredicate skip) Constructs a new reader.

Method Summary

Modifier and Type	Method and Description
protected boolean	filter(int ch) Returns true if the given character should be filtered out, false to keep the character.
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

read, read

Methods inherited from class java.lang.Object

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

Field Detail

SKIP_NONE

protected static final java.util.function.IntPredicate SKIP_NONE

Skips nothing.

Since:

2.9.0

skip

private final java.util.function.IntPredicate skip

Constructor Detail

AbstractCharacterFilterReader

protected AbstractCharacterFilterReader(java.io.Reader reader)

Constructs a new reader.

Parameters:

reader - the reader to filter

AbstractCharacterFilterReader

protected AbstractCharacterFilterReader(java.io.Reader reader,
                                        java.util.function.IntPredicate skip)

Constructs a new reader.

Parameters:

reader - the reader to filter.

skip - Skip test.

Since:

2.9.0

Method Detail

filter

protected boolean filter(int ch)

Returns true if the given character should be filtered out, false to keep the character.

Parameters:

ch - the character to test.

Returns:

true if the given character should be filtered out, false to keep the character.

read

public int read()
         throws java.io.IOException

Overrides:

read in class java.io.FilterReader

Throws:

java.io.IOException

read

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

Overrides:

read in class java.io.FilterReader

Throws:

java.io.IOException