Package gdv.xport.io

Class PushbackLineNumberReader

java.lang.Object

java.io.Reader

java.io.FilterReader

java.io.PushbackReader

gdv.xport.io.PushbackLineNumberReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class PushbackLineNumberReader
extends PushbackReader

Dies ist ein PushbackReader, der um Eigenschaften des. LineNumberReaders angereichert wurde.

Der Einfachhalt wegen wird zum Zaehlen nur das Newline-Zeichen (\n) herangezogen.

Since:

0.9.2 (19.01.2014)

Author:

oliver (ob@aosd.de)

See Also:

• PushbackReader
• LineNumberReader

Field Summary

Fields inherited from class java.io.FilterReader

in

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor	Description
PushbackLineNumberReader(Reader in)	Instantiates a new pushback line number reader.
PushbackLineNumberReader(Reader in, int size)	Instantiates a new pushback line number reader.

Method Summary

Modifier and Type	Method	Description
int	getLineNumber()	Gets the line number.
int	read()
int	read(char[] cbuf)
int	read(char[] cbuf, int off, int len)
int	read(CharBuffer target)
String	readLine()	Read line.
void	reset()
void	skip(char... chars)	If the next characters in the input stream is one of the given characters these characters will be skipped.
void	skipNewline()	Wenn das naechste Zeichen das Zeilenende ist, wird es uebersprungen.
void	skipWhitespace()	Wenn das naechste Zeichen in Leerzeichen oder Zeilenende ist, wird es uebersprungen.
String	toString()
void	unread(char[] cbuf)
void	unread(char[] cbuf, int off, int len)
void	unread(int c)

Methods inherited from class java.io.PushbackReader

close, mark, markSupported, ready, skip

Methods inherited from class java.io.Reader

nullReader, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

PushbackLineNumberReader

public PushbackLineNumberReader(Reader in)

Instantiates a new pushback line number reader.

Parameters:

in - the in

PushbackLineNumberReader

public PushbackLineNumberReader(Reader in,
 int size)

Instantiates a new pushback line number reader.

Parameters:

in - the in

size - the size

Method Details

read

public int read()
         throws IOException

Overrides:

read in class PushbackReader

Throws:

IOException

read

public int read(char[] cbuf)
         throws IOException

Overrides:

read in class Reader

Throws:

IOException

read

public int read(CharBuffer target)
         throws IOException

Specified by:

read in interface Readable

Overrides:

read in class Reader

Throws:

IOException

read

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

Overrides:

read in class PushbackReader

Throws:

IOException

readLine

public String readLine()
                throws IOException

Read line.

Returns:

the string

Throws:

IOException - Signals that an I/O exception has occurred.

reset

public void reset()
           throws IOException

Overrides:

reset in class PushbackReader

Throws:

IOException

unread

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

Overrides:

unread in class PushbackReader

Throws:

IOException

unread

public void unread(char[] cbuf)
            throws IOException

Overrides:

unread in class PushbackReader

Throws:

IOException

unread

public void unread(int c)
            throws IOException

Overrides:

unread in class PushbackReader

Throws:

IOException

getLineNumber

public int getLineNumber()

Gets the line number.

Returns:

the line number

skipNewline

public void skipNewline()
                 throws IOException

Wenn das naechste Zeichen das Zeilenende ist, wird es uebersprungen. Ansonsten wird es wieder in den Eingabepuffer zurueckgestellt.

Throws:

IOException - Signals that an I/O exception has occurred.

skipWhitespace

public void skipWhitespace()
                    throws IOException

Wenn das naechste Zeichen in Leerzeichen oder Zeilenende ist, wird es uebersprungen. Ansonsten wird es wieder in den Eingabepuffer zurueckgestellt.

Throws:

IOException - Signals that an I/O exception has occurred.

skip

public void skip(char... chars)
          throws IOException

If the next characters in the input stream is one of the given characters these characters will be skipped.

Parameters:

chars - the chars

Throws:

IOException - Signals that an I/O exception has occurred.

toString

public String toString()

Overrides:

toString in class Object