ball.activation

Class TempFileDataSource

java.lang.Object

ball.activation.AbstractDataSource

ball.activation.TempFileDataSource

All Implemented Interfaces:

DataSourceDefaultMethods, DataSource

public class TempFileDataSource
extends AbstractDataSource

DataSource backed by a temporary File and based on FileInputStream and FileOutputStream.

Version:

$Revision: 5856 $

Author:

Allen D. Ball

Field Summary

Fields inherited from interface ball.activation.DataSourceDefaultMethods

APPLICATION_OCTET_STREAM, APPLICATION_XML, CONTENT_TYPE, TEXT_HTML, TEXT_PLAIN

Constructor Summary

Constructors

Constructor and Description
TempFileDataSource(String type)
TempFileDataSource(String prefix, String suffix, File parent, String type)

Method Summary

Modifier and Type	Method and Description
protected void	finalize()
FileInputStream	getInputStream()
FileOutputStream	getOutputStream()
long	length() Method to get the number of bytes stored in this DataSource.

Methods inherited from class ball.activation.AbstractDataSource

getContentType, getName, setContentType, setName

Methods inherited from class java.lang.Object

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

Methods inherited from interface ball.activation.DataSourceDefaultMethods

clear, getInputStream, getOutputStream, wrap, wrap, writeTo

Constructor Detail

TempFileDataSource

@ConstructorProperties(value={"","","","contentType"})
public TempFileDataSource(String prefix,
                                                                                 String suffix,
                                                                                 File parent,
                                                                                 String type)

Parameters:

prefix - The file name prefix.

suffix - The file name suffix.

parent - The parent File.

type - Initial "ContentType" attribute value.

See Also:

File.createTempFile(String,String,File)

TempFileDataSource

@ConstructorProperties(value="contentType")
public TempFileDataSource(String type)

Parameters:

type - Initial "ContentType" attribute value.

Method Detail

length

public long length()

Description copied from interface: DataSourceDefaultMethods

Method to get the number of bytes stored in this DataSource. Default implementation returns -1.

Returns:

The number of bytes stored in this DataSource; -1 if the count is unknown.

getInputStream

public FileInputStream getInputStream()
                               throws IOException

Throws:

IOException

getOutputStream

public FileOutputStream getOutputStream()
                                 throws IOException

Throws:

IOException

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable