Package com.helger.base.io.stream

Class CountingReader

java.lang.Object

java.io.Reader

java.io.FilterReader

com.helger.base.io.stream.WrappedReader

com.helger.base.io.stream.CountingReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class CountingReader
extends WrappedReader

A wrapper around a Reader that counts the number of read bytes.

Since:

9.3.8

Author:

Philip Helger

Field Summary

Fields inherited from class java.io.FilterReader

in

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor	Description
CountingReader(@NonNull Reader aSourceReader)	Constructor wrapping the given reader.

Method Summary

Modifier and Type	Method	Description
final long	getCharsRead()
final long	getMark()
final long	getPosition()
void	mark(int nReadlimit)
int	read()
int	read(char[] aBuf, int nOffset, int nLength)
void	reset()
long	skip(long n)
String	toString()

Methods inherited from class com.helger.base.io.stream.WrappedReader

getWrappedReader

Methods inherited from class java.io.FilterReader

close, markSupported, ready

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, wait, wait, wait

Constructor Details

CountingReader

public CountingReader(@NonNull Reader aSourceReader)

Constructor wrapping the given reader.

Parameters:

aSourceReader - The reader to be wrapped. May not be null.

Method Details

read

public int read()
         throws IOException

Overrides:

read in class FilterReader

Throws:

IOException

read

public int read(char[] aBuf,
 int nOffset,
 int nLength)
         throws IOException

Overrides:

read in class FilterReader

Throws:

IOException

skip

public long skip(@Nonnegative
 long n)
          throws IOException

Overrides:

skip in class FilterReader

Throws:

IOException

mark

public void mark(@Nonnegative
 int nReadlimit)
          throws IOException

Overrides:

mark in class FilterReader

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class FilterReader

Throws:

IOException

getCharsRead

@Nonnegative
public final long getCharsRead()

Returns:

The number of read chars.

getPosition

@Nonnegative
public final long getPosition()

Returns:

The current position in the input stream (taking skip and mark/reset into account)

getMark

@Nonnegative
public final long getMark()

Returns:

The current mark

toString

public String toString()

Overrides:

toString in class WrappedReader