Package eu.bandm.tools.util

Class StreamsReadersWriters.CaseChangeReader

java.lang.Object

java.io.Reader

java.io.FilterReader

eu.bandm.tools.util.StreamsReadersWriters.CaseChangeReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

Enclosing class:

StreamsReadersWriters

public static class StreamsReadersWriters.CaseChangeReader
extends FilterReader

Converts all characters read to lower or to upper. Uses methods from Character, thus ist is not localized. Does not treat supplementary characters (two Java-characters corresponding to one Unicode codepoint above 0x1_0000).

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final boolean	toUpper

Fields inherited from class java.io.FilterReader

in

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor	Description
CaseChangeReader(Reader in, boolean toUpper)	Only Constructor.

Method Summary

Modifier and Type	Method	Description
char	changeCase(char c)	Do the change of the character case, according to the value in toUpper.
int	read()
int	read(char[] buf, 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

Field Details

toUpper

final boolean toUpper

Constructor Details

CaseChangeReader

public CaseChangeReader(Reader in,
 boolean toUpper)

Only Constructor.

Parameters:

in - the predecessor in the filter chain = the Reader from which the data comes.

toUpper - indicates whether convert to upper case, not to lower case.

Method Details

read

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

Overrides:

read in class FilterReader

Throws:

IOException

read

public int read()
         throws IOException

Overrides:

read in class FilterReader

Throws:

IOException

changeCase

public char changeCase(char c)

Do the change of the character case, according to the value in toUpper. Is calles for every character read from the input. Is public to be overridden by the user in case that more sophisticated character conversion is necessary.