Package net.sf.jasperreports.engine.util

Class FileBufferedOutputStream

java.lang.Object

java.io.OutputStream

net.sf.jasperreports.engine.util.FileBufferedOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

public class FileBufferedOutputStream
extends OutputStream

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	FileBufferedOutputStream.DataStream

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_INITIAL_MEMORY_BUFFER_SIZE
static final int	DEFAULT_INPUT_BUFFER_LENGTH
static final String	EXCEPTION_MESSAGE_KEY_OUTPUT_STREAM_ALREADY_CLOSED
static final int	INFINIT_MEMORY_THRESHOLD
static final String	PROPERTY_MEMORY_THRESHOLD	Specifies the maximum in-memory buffer length that triggers the creation of a temporary file on disk to store further content sent to this output stream.

Constructor Summary

Constructors

Constructor	Description
FileBufferedOutputStream()
FileBufferedOutputStream(int memoryThreshold)
FileBufferedOutputStream(int memoryThreshold, int initialMemoryBufferSize)
FileBufferedOutputStream(int memoryThreshold, int initialMemoryBufferSize, int inputBufferLength)

Method Summary

Modifier and Type	Method	Description
protected int	availableMemorySpace()
void	checkClosed()
void	close()
void	dispose()
protected BufferedOutputStream	ensureFileOutput()
protected void	finalize()
void	flush()
InputStream	getDataInputStream()
int	size()
void	write(byte[] b, int off, int len)
void	write(int b)
void	writeData(OutputStream out)

Methods inherited from class java.io.OutputStream

nullOutputStream, write

Methods inherited from class java.lang.Object

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

Field Details

EXCEPTION_MESSAGE_KEY_OUTPUT_STREAM_ALREADY_CLOSED

public static final String EXCEPTION_MESSAGE_KEY_OUTPUT_STREAM_ALREADY_CLOSED

See Also:

• Constant Field Values

PROPERTY_MEMORY_THRESHOLD

public static final String PROPERTY_MEMORY_THRESHOLD

Specifies the maximum in-memory buffer length that triggers the creation of a temporary file on disk to store further content sent to this output stream.

See Also:

• Constant Field Values

INFINIT_MEMORY_THRESHOLD

public static final int INFINIT_MEMORY_THRESHOLD

See Also:

• Constant Field Values

DEFAULT_INITIAL_MEMORY_BUFFER_SIZE

public static final int DEFAULT_INITIAL_MEMORY_BUFFER_SIZE

See Also:

• Constant Field Values

DEFAULT_INPUT_BUFFER_LENGTH

public static final int DEFAULT_INPUT_BUFFER_LENGTH

See Also:

• Constant Field Values

Constructor Details

FileBufferedOutputStream

public FileBufferedOutputStream()

FileBufferedOutputStream

public FileBufferedOutputStream(int memoryThreshold)

FileBufferedOutputStream

public FileBufferedOutputStream(int memoryThreshold,
 int initialMemoryBufferSize)

FileBufferedOutputStream

public FileBufferedOutputStream(int memoryThreshold,
 int initialMemoryBufferSize,
 int inputBufferLength)

Method Details

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

availableMemorySpace

protected int availableMemorySpace()

ensureFileOutput

protected BufferedOutputStream ensureFileOutput()
                                         throws IOException,
FileNotFoundException

Throws:

IOException

FileNotFoundException

write

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

Overrides:

write in class OutputStream

Throws:

IOException

checkClosed

public void checkClosed()

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Overrides:

flush in class OutputStream

Throws:

IOException

size

public int size()

writeData

public void writeData(OutputStream out)
               throws IOException

Throws:

IOException

dispose

public void dispose()

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

getDataInputStream

public InputStream getDataInputStream()
                               throws IOException

Throws:

IOException