com.ibm.cloud.objectstorage.test.util

Class RandomInputStream

java.lang.Object

java.io.InputStream

com.ibm.cloud.objectstorage.test.util.RandomInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

Direct Known Subclasses:

UnreliableRandomInputStream

public class RandomInputStream
extends InputStream

Test utility InputStream implementation that generates random ASCII data when read, up to the size specified when constructed.

Author:

Jason Fulghum

Field Summary

Fields

Modifier and Type	Field and Description
protected long	lengthInBytes The requested amount of data contained in this random stream
protected long	remainingBytes The number of bytes of data remaining in this random stream

Constructor Summary

Constructors

Constructor and Description
RandomInputStream(long lengthInBytes) Constructs a new InputStream, which will return the specified amount of bytes of random ASCII characters.
RandomInputStream(long lengthInBytes, boolean binaryData) Creates a new random input stream of specified length, and specifies whether the stream should be full on binary or character data.

Method Summary

Modifier and Type	Method and Description
long	getBytesRead()
int	read()
int	read(byte[] b, int off, int len)

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

lengthInBytes

protected final long lengthInBytes

The requested amount of data contained in this random stream

remainingBytes

protected long remainingBytes

The number of bytes of data remaining in this random stream

Constructor Detail

RandomInputStream

public RandomInputStream(long lengthInBytes)

Constructs a new InputStream, which will return the specified amount of bytes of random ASCII characters.

Parameters:

lengthInBytes - The size in bytes of the total data returned by this stream.

RandomInputStream

public RandomInputStream(long lengthInBytes,
                         boolean binaryData)

Creates a new random input stream of specified length, and specifies whether the stream should be full on binary or character data.

Parameters:

lengthInBytes - The number of bytes in the stream.

binaryData - Whether binary or character data should be generated.

Method Detail

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException

Overrides:

read in class InputStream

Throws:

IOException

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

getBytesRead

public long getBytesRead()