Package com.streamconverter.util

Class MeasuredInputStream

java.lang.Object

java.io.InputStream

com.streamconverter.util.MeasuredInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class MeasuredInputStream
extends InputStream

入力ストリームのデータサイズを測定するラッパークラス

このクラスは、InputStreamをラップして読み取ったバイト数を自動的に計測します。 自動ログ出力機能でパフォーマンス測定に使用されます。

Constructor Summary

Constructors

Constructor	Description
MeasuredInputStream(InputStream delegateStream)	コンストラクタ

Method Summary

Modifier and Type	Method	Description
int	available()
void	close()
long	getBytesRead()	現在までに読み取ったバイト数を取得
boolean	isClosed()	ストリームがクローズされているかどうかを確認
void	mark(int readLimit)
boolean	markSupported()
int	read()
int	read(byte[] buffer)
int	read(byte[] buffer, int offset, int length)
void	reset()
long	skip(long numBytes)

Methods inherited from class java.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

MeasuredInputStream

public MeasuredInputStream(InputStream delegateStream)

コンストラクタ

Parameters:

delegateStream - ラップ対象のInputStream

Method Details

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

read

public int read(byte[] buffer)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

public int read(byte[] buffer,
 int offset,
 int length)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

skip

public long skip(long numBytes)
          throws IOException

Overrides:

skip in class InputStream

Throws:

IOException

available

public int available()
              throws IOException

Overrides:

available in class InputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class InputStream

Throws:

IOException

mark

public void mark(int readLimit)

Overrides:

mark in class InputStream

reset

public void reset()
           throws IOException

Overrides:

reset in class InputStream

Throws:

IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class InputStream

getBytesRead

public long getBytesRead()

現在までに読み取ったバイト数を取得

Returns:

読み取ったバイト数

isClosed

public boolean isClosed()

ストリームがクローズされているかどうかを確認

Returns:

クローズされている場合true